diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json new file mode 100644 index 0000000..e2cdc09 --- /dev/null +++ b/.devcontainer/devcontainer.json @@ -0,0 +1,25 @@ +{ + "name": "Kubebuilder DevContainer", + "image": "golang:1.22", + "features": { + "ghcr.io/devcontainers/features/docker-in-docker:2": {}, + "ghcr.io/devcontainers/features/git:1": {} + }, + + "runArgs": ["--network=host"], + + "customizations": { + "vscode": { + "settings": { + "terminal.integrated.shell.linux": "/bin/bash" + }, + "extensions": [ + "ms-kubernetes-tools.vscode-kubernetes-tools", + "ms-azuretools.vscode-docker" + ] + } + }, + + "onCreateCommand": "bash .devcontainer/post-install.sh" +} + diff --git a/.devcontainer/post-install.sh b/.devcontainer/post-install.sh new file mode 100644 index 0000000..265c43e --- /dev/null +++ b/.devcontainer/post-install.sh @@ -0,0 +1,23 @@ +#!/bin/bash +set -x + +curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64 +chmod +x ./kind +mv ./kind /usr/local/bin/kind + +curl -L -o kubebuilder https://go.kubebuilder.io/dl/latest/linux/amd64 +chmod +x kubebuilder +mv kubebuilder /usr/local/bin/ + +KUBECTL_VERSION=$(curl -L -s https://dl.k8s.io/release/stable.txt) +curl -LO "https://dl.k8s.io/release/$KUBECTL_VERSION/bin/linux/amd64/kubectl" +chmod +x kubectl +mv kubectl /usr/local/bin/kubectl + +docker network create -d=bridge --subnet=172.19.0.0/24 kind + +kind version +kubebuilder version +docker --version +go version +kubectl version --client diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..a3aab7a --- /dev/null +++ b/.dockerignore @@ -0,0 +1,3 @@ +# More info: https://docs.docker.com/engine/reference/builder/#dockerignore-file +# Ignore build and test binaries. +bin/ diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml new file mode 100644 index 0000000..f40d365 --- /dev/null +++ b/.github/workflows/lint.yml @@ -0,0 +1,23 @@ +name: Lint + +on: + push: + pull_request: + +jobs: + lint: + name: Run on Ubuntu + runs-on: ubuntu-latest + steps: + - name: Clone the code + uses: actions/checkout@v4 + + - name: Setup Go + uses: actions/setup-go@v5 + with: + go-version: '~1.22' + + - name: Run linter + uses: golangci/golangci-lint-action@v6 + with: + version: v1.61 diff --git a/.github/workflows/test-e2e.yml b/.github/workflows/test-e2e.yml new file mode 100644 index 0000000..8780644 --- /dev/null +++ b/.github/workflows/test-e2e.yml @@ -0,0 +1,35 @@ +name: E2E Tests + +on: + push: + pull_request: + +jobs: + test-e2e: + name: Run on Ubuntu + runs-on: ubuntu-latest + steps: + - name: Clone the code + uses: actions/checkout@v4 + + - name: Setup Go + uses: actions/setup-go@v5 + with: + go-version: '~1.22' + + - name: Install the latest version of kind + run: | + curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64 + chmod +x ./kind + sudo mv ./kind /usr/local/bin/kind + + - name: Verify kind installation + run: kind version + + - name: Create kind cluster + run: kind create cluster + + - name: Running Test e2e + run: | + go mod tidy + make test-e2e diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml new file mode 100644 index 0000000..7baf657 --- /dev/null +++ b/.github/workflows/test.yml @@ -0,0 +1,23 @@ +name: Tests + +on: + push: + pull_request: + +jobs: + test: + name: Run on Ubuntu + runs-on: ubuntu-latest + steps: + - name: Clone the code + uses: actions/checkout@v4 + + - name: Setup Go + uses: actions/setup-go@v5 + with: + go-version: '~1.22' + + - name: Running Tests + run: | + go mod tidy + make test diff --git a/.gitignore b/.gitignore index d97ffc5..ada68ff 100644 --- a/.gitignore +++ b/.gitignore @@ -1,24 +1,27 @@ - # Binaries for programs and plugins *.exe *.exe~ *.dll *.so *.dylib -bin +bin/* +Dockerfile.cross -# Test binary, build with `go test -c` +# Test binary, built with `go test -c` *.test # Output of the go coverage tool, specifically when used with LiteIDE *.out -# Kubernetes Generated files - skip generated files, except for vendored files +# Go workspace file +go.work +# Kubernetes Generated files - skip generated files, except for vendored files !vendor/**/zz_generated.* # editor and IDE paraphernalia .idea +.vscode *.swp *.swo *~ diff --git a/.golangci.yml b/.golangci.yml new file mode 100644 index 0000000..6b29746 --- /dev/null +++ b/.golangci.yml @@ -0,0 +1,47 @@ +run: + timeout: 5m + allow-parallel-runners: true + +issues: + # don't skip warning about doc comments + # don't exclude the default set of lint + exclude-use-default: false + # restore some of the defaults + # (fill in the rest as needed) + exclude-rules: + - path: "api/*" + linters: + - lll + - path: "internal/*" + linters: + - dupl + - lll +linters: + disable-all: true + enable: + - dupl + - errcheck + - copyloopvar + - ginkgolinter + - goconst + - gocyclo + - gofmt + - goimports + - gosimple + - govet + - ineffassign + - lll + - misspell + - nakedret + - prealloc + - revive + - staticcheck + - typecheck + - unconvert + - unparam + - unused + +linters-settings: + revive: + rules: + - name: comment-spacings diff --git a/CHANGELOG.md b/CHANGELOG.md deleted file mode 100644 index 3cd0bba..0000000 --- a/CHANGELOG.md +++ /dev/null @@ -1,72 +0,0 @@ -# Changelog - -## Development release - -0.9.0-BETA-1 -- Add ContainerSector Field to Kconfig Spec. This indicates which container(s) should the Kconfig object apply to. This field is a label.Selector object, containing both MatchLabels and MatchExpression objects. A default-container-selector, set to everything, applies when the Kconfig Spec does not include a selector. -- Default-container-selector is overrideable through the controller-manager's command line arguments. When set, the value should be the json representation of a label.Selector. - -0.8.0-BETA-1 -- Full refactor to kubebuilder framework -- Environment variables not added to pods directly using admission-controller -- DeployentBindings, StatefulSetBindings, and KnativeServiceBindings removed and replaced with a single KconfigBinding resource -- The ability to specify refName and refKey has been removed. All external references (configmap, secrets) are placed in the same resource with the name, kc-(kconfig name) -- EnvRefsVersion removed. Changes now tracked using KconfigBinding generation and its status' observedGeneration - -0.7.0-BETA-1 - -- KconfigBindings renamed to DeploymentBinding -- Support for StatefulSets with an accompanying resource StatefulSetBinding -- Support for Knative Services with an accompanying resource KnativeServiceBinding -- Pkg names are now aligned with github location -- Binary and k8s resources renamed from kconfig-controller-manager to kconfig-controller - -0.6.0-BETA-1 - -- ExternalResources (ConfigMaps/Secrets) are now updated in one kubernetes api call per resource. Previously, multiple value changes (or adds) would result in an attempt to update the secret or configmap for each change. This would create a conflict error forcing the remaining values to be updated in retries. - -0.5.1-BETA-1 - -- Fix issue where EnvConfig with empty type was giving error and being discarded. Empty type field now defaults to "Value" type as before. - -0.5.0-BETA-1 - -- FieldRef/ResourceFieldRef EnvConfig types added. Value field creates a FielfRef with just a fieldPath containing the value. Value field creates a ResourceFieldPath with just a 'resource' field containing the value. -- EnvConfig Types are no longer case sensitive when modifying but will be replaced with the camel-cased type on processing. Crd removed the enum validation of type. This was to prevent case checking of types but now the api will not validate type. -- Makefile updated to build images and corrected target dependencies - -0.4.1-BETA-1 - -- Controller informer event handlers place all updates into work queue regardless if the resource version hasn't changed. This address issue where target resources aren't updated if they were created after the source resource was modified. - -0.4.0-BETA-1 - -- Adds prefix 'kc-' to the name of configmaps/secrets created automatically from envConfigs - -0.3.2-ALPHA-1 - -- Fixes issue of panic when creating new secret for Kconfig envConfig with 'Secret' type - -0.3.1-ALPHA-1 - -- Fixes issue of secret values being double base64 encoded - -0.3.0-ALPHA-1 - -- Deployment annotation enabling Kconfig environment management changed to "kconfigcontroller.atteg.com/env" -- EnvRefsVersion field added to Kconfig.Spec and KconfigBinding.Spec.KconfigEnv to track changes to values of reference types (ConfigMap/Secret). Deployments are now correctly updated with template annotation to trigger new pods that pick up the update. - -0.2.0-ALPHA-1 - -- Action field in EnvConfig is removed. Action to perform on Kconfig EnvConfig changes are implicit. -- RefName and RefKey fields added to EnvConfig to denote the ConfigMap or Secret name and key. -- The value field in EnvConfig is now a pointer to a string and can be null. This is used to determine when ConfigMap/Secret EnvConfig has been updated. - -0.1.0-ALPHA-1 - -- Initial Release (ALPHA) -- Kconfig allows defining key/value environment variables -- Kconfig allows defining secret/configmap environment variables -- Kconfig controller reconciles KconfigBindings environment variables defined in Kconfigs -- KconfigBinding controller reconciles Deployments with the environment variables defined in KconfigBindings -- Deployment controller ensures annotated Deployments have a KconfigBinding created with matching labels diff --git a/Dockerfile b/Dockerfile index 16633dd..4ba18b6 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,5 +1,7 @@ # Build the manager binary -FROM golang:1.13 as builder +FROM golang:1.22 AS builder +ARG TARGETOS +ARG TARGETARCH WORKDIR /workspace # Copy the Go Modules manifests @@ -10,19 +12,22 @@ COPY go.sum go.sum RUN go mod download # Copy the go source -COPY main.go main.go +COPY cmd/main.go cmd/main.go COPY api/ api/ -COPY controllers/ controllers/ -COPY webhooks/ webhooks/ +COPY internal/ internal/ # Build -RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go +# the GOARCH has not a default value to allow the binary be built according to the host where the command +# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO +# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore, +# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform. +RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go # Use distroless as minimal base image to package the manager binary # Refer to https://github.com/GoogleContainerTools/distroless for more details FROM gcr.io/distroless/static:nonroot WORKDIR / COPY --from=builder /workspace/manager . -USER nonroot:nonroot +USER 65532:65532 ENTRYPOINT ["/manager"] diff --git a/LICENSE b/LICENSE deleted file mode 100644 index b0805af..0000000 --- a/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2020 AT&T Intellectual Property - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. \ No newline at end of file diff --git a/Makefile b/Makefile index cf99ca1..a7bb6bb 100644 --- a/Makefile +++ b/Makefile @@ -1,8 +1,7 @@ - # Image URL to use all building/pushing image targets IMG ?= controller:latest -# Produce CRDs that work back to Kubernetes 1.11 (no version conversion) -CRD_OPTIONS ?= "crd:trivialVersions=true" +# ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary. +ENVTEST_K8S_VERSION = 1.31.0 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set) ifeq (,$(shell go env GOBIN)) @@ -11,70 +10,203 @@ else GOBIN=$(shell go env GOBIN) endif -all: manager - -# Run tests -test: generate fmt vet manifests - go test ./... -coverprofile cover.out - -# Build manager binary -manager: generate fmt vet - go build -o bin/manager main.go - -# Run against the configured Kubernetes cluster in ~/.kube/config -run: generate fmt vet manifests - go run ./main.go - -# Install CRDs into a cluster -install: manifests - kustomize build config/crd | kubectl apply -f - - -# Uninstall CRDs from a cluster -uninstall: manifests - kustomize build config/crd | kubectl delete -f - - -# Deploy controller in the configured Kubernetes cluster in ~/.kube/config -deploy: manifests - cd config/manager && kustomize edit set image controller=${IMG} - kustomize build config/default | kubectl apply -f - - -# Generate manifests e.g. CRD, RBAC etc. -manifests: controller-gen - $(CONTROLLER_GEN) $(CRD_OPTIONS) rbac:roleName=manager-role webhook paths="./..." output:crd:artifacts:config=config/crd/bases - -# Run go fmt against code -fmt: +# CONTAINER_TOOL defines the container tool to be used for building images. +# Be aware that the target commands are only tested with Docker which is +# scaffolded by default. However, you might want to replace it to use other +# tools. (i.e. podman) +CONTAINER_TOOL ?= docker + +# Setting SHELL to bash allows bash commands to be executed by recipes. +# Options are set to exit when a recipe line exits non-zero or a piped command fails. +SHELL = /usr/bin/env bash -o pipefail +.SHELLFLAGS = -ec + +.PHONY: all +all: build + +##@ General + +# The help target prints out all targets with their descriptions organized +# beneath their categories. The categories are represented by '##@' and the +# target descriptions by '##'. The awk command is responsible for reading the +# entire set of makefiles included in this invocation, looking for lines of the +# file as xyz: ## something, and then pretty-format the target and help. Then, +# if there's a line with ##@ something, that gets pretty-printed as a category. +# More info on the usage of ANSI control characters for terminal formatting: +# https://en.wikipedia.org/wiki/ANSI_escape_code#SGR_parameters +# More info on the awk command: +# http://linuxcommand.org/lc3_adv_awk.php + +.PHONY: help +help: ## Display this help. + @awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n make \033[36m\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf " \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST) + +##@ Development + +.PHONY: manifests +manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects. + $(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases + +.PHONY: generate +generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations. + $(CONTROLLER_GEN) object:headerFile="hack/boilerplate.go.txt" paths="./..." + +.PHONY: fmt +fmt: ## Run go fmt against code. go fmt ./... -# Run go vet against code -vet: +.PHONY: vet +vet: ## Run go vet against code. go vet ./... -# Generate code -generate: controller-gen - $(CONTROLLER_GEN) object:headerFile=./hack/boilerplate.go.txt paths="./..." - -# Build the docker image -docker-build: test - docker build . -t ${IMG} - -# Push the docker image -docker-push: - docker push ${IMG} - -# find or download controller-gen -# download controller-gen if necessary -controller-gen: -ifeq (, $(shell which controller-gen)) - @{ \ - set -e ;\ - CONTROLLER_GEN_TMP_DIR=$$(mktemp -d) ;\ - cd $$CONTROLLER_GEN_TMP_DIR ;\ - go mod init tmp ;\ - go get sigs.k8s.io/controller-tools/cmd/controller-gen@v0.2.4 ;\ - rm -rf $$CONTROLLER_GEN_TMP_DIR ;\ +.PHONY: test +test: manifests generate fmt vet envtest ## Run tests. + KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test $$(go list ./... | grep -v /e2e) -coverprofile cover.out + +# TODO(user): To use a different vendor for e2e tests, modify the setup under 'tests/e2e'. +# The default setup assumes Kind is pre-installed and builds/loads the Manager Docker image locally. +# Prometheus and CertManager are installed by default; skip with: +# - PROMETHEUS_INSTALL_SKIP=true +# - CERT_MANAGER_INSTALL_SKIP=true +.PHONY: test-e2e +test-e2e: manifests generate fmt vet ## Run the e2e tests. Expected an isolated environment using Kind. + @command -v kind >/dev/null 2>&1 || { \ + echo "Kind is not installed. Please install Kind manually."; \ + exit 1; \ } -CONTROLLER_GEN=$(GOBIN)/controller-gen -else -CONTROLLER_GEN=$(shell which controller-gen) + @kind get clusters | grep -q 'kind' || { \ + echo "No Kind cluster is running. Please start a Kind cluster before running the e2e tests."; \ + exit 1; \ + } + go test ./test/e2e/ -v -ginkgo.v + +.PHONY: lint +lint: golangci-lint ## Run golangci-lint linter + $(GOLANGCI_LINT) run + +.PHONY: lint-fix +lint-fix: golangci-lint ## Run golangci-lint linter and perform fixes + $(GOLANGCI_LINT) run --fix + +##@ Build + +.PHONY: build +build: manifests generate fmt vet ## Build manager binary. + go build -o bin/manager cmd/main.go + +.PHONY: run +run: manifests generate fmt vet ## Run a controller from your host. + go run ./cmd/main.go + +# If you wish to build the manager image targeting other platforms you can use the --platform flag. +# (i.e. docker build --platform linux/arm64). However, you must enable docker buildKit for it. +# More info: https://docs.docker.com/develop/develop-images/build_enhancements/ +.PHONY: docker-build +docker-build: ## Build docker image with the manager. + $(CONTAINER_TOOL) build -t ${IMG} . + +.PHONY: docker-push +docker-push: ## Push docker image with the manager. + $(CONTAINER_TOOL) push ${IMG} + +# PLATFORMS defines the target platforms for the manager image be built to provide support to multiple +# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to: +# - be able to use docker buildx. More info: https://docs.docker.com/build/buildx/ +# - have enabled BuildKit. More info: https://docs.docker.com/develop/develop-images/build_enhancements/ +# - be able to push the image to your registry (i.e. if you do not set a valid value via IMG=> then the export will fail) +# To adequately provide solutions that are compatible with multiple platforms, you should consider using this option. +PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le +.PHONY: docker-buildx +docker-buildx: ## Build and push docker image for the manager for cross-platform support + # copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile + sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross + - $(CONTAINER_TOOL) buildx create --name kconfig-controller-builder + $(CONTAINER_TOOL) buildx use kconfig-controller-builder + - $(CONTAINER_TOOL) buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross . + - $(CONTAINER_TOOL) buildx rm kconfig-controller-builder + rm Dockerfile.cross + +.PHONY: build-installer +build-installer: manifests generate kustomize ## Generate a consolidated YAML with CRDs and deployment. + mkdir -p dist + cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG} + $(KUSTOMIZE) build config/default > dist/install.yaml + +##@ Deployment + +ifndef ignore-not-found + ignore-not-found = false endif + +.PHONY: install +install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config. + $(KUSTOMIZE) build config/crd | $(KUBECTL) apply -f - + +.PHONY: uninstall +uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. + $(KUSTOMIZE) build config/crd | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f - + +.PHONY: deploy +deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config. + cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG} + $(KUSTOMIZE) build config/default | $(KUBECTL) apply -f - + +.PHONY: undeploy +undeploy: kustomize ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion. + $(KUSTOMIZE) build config/default | $(KUBECTL) delete --ignore-not-found=$(ignore-not-found) -f - + +##@ Dependencies + +## Location to install dependencies to +LOCALBIN ?= $(shell pwd)/bin +$(LOCALBIN): + mkdir -p $(LOCALBIN) + +## Tool Binaries +KUBECTL ?= kubectl +KUSTOMIZE ?= $(LOCALBIN)/kustomize +CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen +ENVTEST ?= $(LOCALBIN)/setup-envtest +GOLANGCI_LINT = $(LOCALBIN)/golangci-lint + +## Tool Versions +KUSTOMIZE_VERSION ?= v5.5.0 +CONTROLLER_TOOLS_VERSION ?= v0.16.4 +ENVTEST_VERSION ?= release-0.19 +GOLANGCI_LINT_VERSION ?= v1.61.0 + +.PHONY: kustomize +kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary. +$(KUSTOMIZE): $(LOCALBIN) + $(call go-install-tool,$(KUSTOMIZE),sigs.k8s.io/kustomize/kustomize/v5,$(KUSTOMIZE_VERSION)) + +.PHONY: controller-gen +controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary. +$(CONTROLLER_GEN): $(LOCALBIN) + $(call go-install-tool,$(CONTROLLER_GEN),sigs.k8s.io/controller-tools/cmd/controller-gen,$(CONTROLLER_TOOLS_VERSION)) + +.PHONY: envtest +envtest: $(ENVTEST) ## Download setup-envtest locally if necessary. +$(ENVTEST): $(LOCALBIN) + $(call go-install-tool,$(ENVTEST),sigs.k8s.io/controller-runtime/tools/setup-envtest,$(ENVTEST_VERSION)) + +.PHONY: golangci-lint +golangci-lint: $(GOLANGCI_LINT) ## Download golangci-lint locally if necessary. +$(GOLANGCI_LINT): $(LOCALBIN) + $(call go-install-tool,$(GOLANGCI_LINT),github.com/golangci/golangci-lint/cmd/golangci-lint,$(GOLANGCI_LINT_VERSION)) + +# go-install-tool will 'go install' any package with custom target and name of binary, if it doesn't exist +# $1 - target path with name of binary +# $2 - package url which can be installed +# $3 - specific version of package +define go-install-tool +@[ -f "$(1)-$(3)" ] || { \ +set -e; \ +package=$(2)@$(3) ;\ +echo "Downloading $${package}" ;\ +rm -f $(1) || true ;\ +GOBIN=$(LOCALBIN) go install $${package} ;\ +mv $(1) $(1)-$(3) ;\ +} ;\ +ln -sf $(1)-$(3) $(1) +endef diff --git a/PROJECT b/PROJECT index ee58b11..00129e9 100644 --- a/PROJECT +++ b/PROJECT @@ -1,10 +1,29 @@ +# Code generated by tool. DO NOT EDIT. +# This file is used to track the info used to scaffold your project +# and allow the plugins properly work. +# More info: https://book.kubebuilder.io/reference/project-config.html domain: atteg.com +layout: +- go.kubebuilder.io/v4 +projectName: kconfig-controller repo: github.com/att-cloudnative-labs/kconfig-controller resources: -- group: kconfigcontroller +- api: + crdVersion: v1 + namespaced: true + controller: true + domain: atteg.com + group: kconfigcontroller kind: Kconfig + path: github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1 version: v1beta1 -- group: kconfigcontroller +- api: + crdVersion: v1 + namespaced: true + controller: true + domain: atteg.com + group: kconfigcontroller kind: KconfigBinding + path: github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1 version: v1beta1 -version: "2" +version: "3" diff --git a/README.md b/README.md index 099293b..6166ac1 100644 --- a/README.md +++ b/README.md @@ -1,124 +1,114 @@ -# Kconfig - ---- - -

- - - -

-

- - - - - - - - - - - - - - - -

-

- - - - - - - - - -

- ----- - -Kconfig is a Kubernetes custom-controller, admission-webhook, and custom resource definition for externalizing configuration of Kubernetes Pods. Kconfig allows environment variables to be defined in a single resource that selects the target pods based on labels, and inserts the specified environment variables into the target pods. - -Multiple Kconfig resources can select the same target labels and the target pods will have the aggregation of each of those Kconfigs. In addition, Kconfigs have a level field which determines the order, in relation to other Kconfigs that select common pods, in which environment variables from multiple Kconfigs are defined in the container environment. - -Aside from defining simple key/value pairs, Kconfigs can also define and reference environment variables to be stored in configmaps and/or secrets. - -For a target to have its environment variables controlled by Kconfigs, it needs the annotation ```kconfigcontroller.atteg.com/inject=true```. - -Add the annotation, ```kconfigcontroller.atteg.com/refresh-template=true``` to have updates to a kconfig to trigger a rolling update for deployments, statefulsets of the selected pods. - -Kconfig-controller also has a secondary custom resource, KconfigBinding, that is used by the controllers and should not be created/manipulated directly by users. This resources serve as a target for Kconfigs to update their changes whereafter, the admission-controller can import the contained environment variables directly into pods. Note that there is a one-to-one mapping for each kconfig and kconfigbinding. - -Build requires Kustomize (https://github.com/kubernetes-sigs/kustomize) locally and cert-manager (https://github.com/jetstack/cert-manager) installed in the kubernetes cluser for the admission-controller's TLS certificates. - ----- - -## Sample Kconfig - -```yaml -apiVersion: kconfigcontroller.atteg.com/v1alpha1 -kind: Kconfig -metadata: - name: mykconfig - namespace: mynamespace -spec: - envConfigs: - - type: Value - key: LITERALVALUEVAR - value: firstvalue - - type: Secret - key: PLEASECREATETHIS - value: shhhhh - - type: Secret - key: MYSECRETVAR - secretKeyRef: - key: mysecretvar - name: samplesecret - optional: true - - type: ConfigMap - key: MYCONFIGMAPVAR - secretKeyRef: - key: myconfigmapvar - name: sameplecm - optional: true - - type: FieldRef - key: MYPODIP - value: status.podIP - - type: ResourceFieldRef - key: MYRESOURCE - resourceFieldRef: - resource: limits.memory - level: 2 - selector: - matchLabels: - app: myapp - containerSelector: - matchLabels: - name: myapp +# kconfig-controller +// TODO(user): Add simple overview of use/purpose +## Description +// TODO(user): An in-depth paragraph about your project and overview of use + +## Getting Started + +### Prerequisites +- go version v1.22.0+ +- docker version 17.03+. +- kubectl version v1.11.3+. +- Access to a Kubernetes v1.11.3+ cluster. + +### To Deploy on the cluster +**Build and push your image to the location specified by `IMG`:** + +```sh +make docker-build docker-push IMG=/kconfig-controller:tag ``` -The first envConfig is a 'Value' type. An empty type field implies a 'Value' type envConfig. This definition would apply a simple key and value field to the target pod's container environment variables. The second envConfig is a 'Secret' type. The Kconfig is automatically updated with the secretKeyRef to the secret and with the value field removed. The same is true with a 'ConfigMap' type. Notice the final two envConfigs that show how the envConfig appears after a Kconfig is created/updated with a ConfigMap or Secret type envConfig that contains a value. Whenever a get Kconfig is performed, you will never see a value field, as the action is performed immediately on update and the field is automatically removed. ContainerSelector determines which container the configs will apply to. Containers don't have labels so the selector selects on name. Name should currently be the only key used in the selector. In absence of a ContainerSelector, the default containerSelector is used, which selects everything (all containers). this can be overridden with an argument to the controller. Example ```--default-container-selector='{"matchExpressions":[{"key":"name","operator":"NotIn","values":["istio-proxy"]}]}``` +**NOTE:** This image ought to be published in the personal registry you specified. +And it is required to have access to pull the image from the working environment. +Make sure you have the proper permission to the registry if the above commands don’t work. -## Build and Push +**Install the CRDs into the cluster:** -```bash -make docker-build IMG=your-registry.com/kconfig-controller-system/kconfig-controller:v1beta1 -make docker-push IMG=your-registry.com/kconfig-controller-system/kconfig-controller:v1beta1 +```sh +make install ``` -## Installation +**Deploy the Manager to the cluster with the image specified by `IMG`:** -```bash -make deploy IMG=your-registry.com/kconfig-controller-system/kconfig-controller:v1beta1 +```sh +make deploy IMG=/kconfig-controller:tag ``` -## Roadmap +> **NOTE**: If you encounter RBAC errors, you may need to grant yourself cluster-admin +privileges or be logged in as admin. + +**Create instances of your solution** +You can apply the samples (examples) from the config/sample: + +```sh +kubectl apply -k config/samples/ +``` + +>**NOTE**: Ensure that the samples has default values to test it out. + +### To Uninstall +**Delete the instances (CRs) from the cluster:** + +```sh +kubectl delete -k config/samples/ +``` + +**Delete the APIs(CRDs) from the cluster:** + +```sh +make uninstall +``` + +**UnDeploy the controller from the cluster:** + +```sh +make undeploy +``` + +## Project Distribution + +Following are the steps to build the installer and distribute this project to users. + +1. Build the installer for the image built and published in the registry: + +```sh +make build-installer IMG=/kconfig-controller:tag +``` + +NOTE: The makefile target mentioned above generates an 'install.yaml' +file in the dist directory. This file contains all the resources built +with Kustomize, which are necessary to install this project without +its dependencies. + +2. Using the installer + +Users can just run kubectl apply -f to install the project, i.e.: + +```sh +kubectl apply -f https://raw.githubusercontent.com//kconfig-controller//dist/install.yaml +``` + +## Contributing +// TODO(user): Add detailed information on how you would like others to contribute to this project + +**NOTE:** Run `make help` for more information on all potential `make` targets + +More information can be found via the [Kubebuilder Documentation](https://book.kubebuilder.io/introduction.html) + +## License + +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at -* Validate that all existing configmap/secret references in a Kconfig exists and if not, removed them from the Kconfig -* Support for creating files and mount locations for files through Kconfigs + http://www.apache.org/licenses/LICENSE-2.0 ---- +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. -*Developed using the Kubebuilder Framework, https://github.com/kubernetes-sigs/kubebuilder \ No newline at end of file diff --git a/api/v1beta1/groupversion_info.go b/api/v1beta1/groupversion_info.go index 58e8a99..ab31a63 100644 --- a/api/v1beta1/groupversion_info.go +++ b/api/v1beta1/groupversion_info.go @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -13,7 +14,7 @@ See the License for the specific language governing permissions and limitations under the License. */ -// Package v1beta1 contains API Schema definitions for the kconfigcontroller v1beta1 API group +// Package v1beta1 contains API Schema definitions for the kconfigcontroller v1beta1 API group. // +kubebuilder:object:generate=true // +groupName=kconfigcontroller.atteg.com package v1beta1 @@ -24,10 +25,10 @@ import ( ) var ( - // GroupVersion is group version used to register these objects + // GroupVersion is group version used to register these objects. GroupVersion = schema.GroupVersion{Group: "kconfigcontroller.atteg.com", Version: "v1beta1"} - // SchemeBuilder is used to add go types to the GroupVersionKind scheme + // SchemeBuilder is used to add go types to the GroupVersionKind scheme. SchemeBuilder = &scheme.Builder{GroupVersion: GroupVersion} // AddToScheme adds the types in this group-version to the given scheme. diff --git a/api/v1beta1/kconfig_types.go b/api/v1beta1/kconfig_types.go index 70e406b..4b6ee06 100644 --- a/api/v1beta1/kconfig_types.go +++ b/api/v1beta1/kconfig_types.go @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -23,7 +24,7 @@ import ( // EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN! // NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized. -// KconfigSpec defines the desired state of Kconfig +// KconfigSpec defines the desired state of Kconfig. type KconfigSpec struct { Level int `json:"level"` // +kubebuilder:validation:Optional @@ -50,15 +51,16 @@ type EnvConfig struct { ResourceFieldRef *v1.ResourceFieldSelector `json:"resourceFieldRef,omitempty" protobuf:"bytes,4,opt,name=resourceFieldRef"` } -// KconfigStatus defines the observed state of Kconfig +// KconfigStatus defines the observed state of Kconfig. type KconfigStatus struct { // INSERT ADDITIONAL STATUS FIELD - define observed state of cluster // Important: Run "make" to regenerate code after modifying this file } // +kubebuilder:object:root=true +// +kubebuilder:subresource:status -// Kconfig is the Schema for the kconfigs API +// Kconfig is the Schema for the kconfigs API. type Kconfig struct { metav1.TypeMeta `json:",inline"` metav1.ObjectMeta `json:"metadata,omitempty"` @@ -69,7 +71,7 @@ type Kconfig struct { // +kubebuilder:object:root=true -// KconfigList contains a list of Kconfig +// KconfigList contains a list of Kconfig. type KconfigList struct { metav1.TypeMeta `json:",inline"` metav1.ListMeta `json:"metadata,omitempty"` diff --git a/api/v1beta1/kconfigbinding_types.go b/api/v1beta1/kconfigbinding_types.go index ea1cb3a..09618e5 100644 --- a/api/v1beta1/kconfigbinding_types.go +++ b/api/v1beta1/kconfigbinding_types.go @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -23,7 +24,7 @@ import ( // EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN! // NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized. -// KconfigBindingSpec defines the desired state of KconfigBinding +// KconfigBindingSpec defines the desired state of KconfigBinding. type KconfigBindingSpec struct { Level int `json:"level"` Envs []v1.EnvVar `json:"envs"` @@ -32,7 +33,7 @@ type KconfigBindingSpec struct { ContainerSelector *metav1.LabelSelector `json:"containerSelector"` } -// KconfigBindingStatus defines the observed state of KconfigBinding +// KconfigBindingStatus defines the observed state of KconfigBinding. type KconfigBindingStatus struct { ObservedGeneration int64 `json:"observedGeneration"` } @@ -40,7 +41,7 @@ type KconfigBindingStatus struct { // +kubebuilder:object:root=true // +kubebuilder:subresource:status -// KconfigBinding is the Schema for the kconfigbindings API +// KconfigBinding is the Schema for the kconfigbindings API. type KconfigBinding struct { metav1.TypeMeta `json:",inline"` metav1.ObjectMeta `json:"metadata,omitempty"` @@ -51,7 +52,7 @@ type KconfigBinding struct { // +kubebuilder:object:root=true -// KconfigBindingList contains a list of KconfigBinding +// KconfigBindingList contains a list of KconfigBinding. type KconfigBindingList struct { metav1.TypeMeta `json:",inline"` metav1.ListMeta `json:"metadata,omitempty"` diff --git a/api/v1beta1/zz_generated.deepcopy.go b/api/v1beta1/zz_generated.deepcopy.go index 1fa8e7d..a4d8f80 100644 --- a/api/v1beta1/zz_generated.deepcopy.go +++ b/api/v1beta1/zz_generated.deepcopy.go @@ -1,6 +1,7 @@ -// +build !ignore_autogenerated +//go:build !ignore_autogenerated /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. diff --git a/cmd/main.go b/cmd/main.go new file mode 100644 index 0000000..19e8147 --- /dev/null +++ b/cmd/main.go @@ -0,0 +1,237 @@ +/* +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package main + +import ( + "crypto/tls" + "encoding/json" + "flag" + "fmt" + webhook2 "github.com/att-cloudnative-labs/kconfig-controller/internal/webhook" + "os" + "path/filepath" + "sigs.k8s.io/controller-runtime/pkg/certwatcher" + // Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.) + // to ensure that exec-entrypoint and run can make use of them. + _ "k8s.io/client-go/plugin/pkg/client/auth" + + v1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/runtime" + utilruntime "k8s.io/apimachinery/pkg/util/runtime" + clientgoscheme "k8s.io/client-go/kubernetes/scheme" + ctrl "sigs.k8s.io/controller-runtime" + "sigs.k8s.io/controller-runtime/pkg/healthz" + "sigs.k8s.io/controller-runtime/pkg/log/zap" + "sigs.k8s.io/controller-runtime/pkg/metrics/filters" + metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server" + "sigs.k8s.io/controller-runtime/pkg/webhook" + + kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" + "github.com/att-cloudnative-labs/kconfig-controller/internal/controller" + // +kubebuilder:scaffold:imports +) + +var ( + scheme = runtime.NewScheme() + setupLog = ctrl.Log.WithName("setup") +) + +func init() { + utilruntime.Must(clientgoscheme.AddToScheme(scheme)) + + utilruntime.Must(kconfigcontrollerv1beta1.AddToScheme(scheme)) + // +kubebuilder:scaffold:scheme +} + +func main() { + var metricsAddr string + var enableLeaderElection bool + var probeAddr string + var secureMetrics bool + var enableHTTP2 bool + var tlsOpts []func(*tls.Config) + var configMapPrefix string + var secretPrefix string + var defaultContainerSelector string + var webhookPort int + var webhookCertPath, webhookCertName, webhookCertKey string + + flag.StringVar(&metricsAddr, "metrics-bind-address", "0", "The address the metrics endpoint binds to. "+ + "Use :8443 for HTTPS or :8080 for HTTP, or leave as 0 to disable the metrics service.") + flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.") + flag.BoolVar(&enableLeaderElection, "leader-elect", false, + "Enable leader election for controller manager. "+ + "Enabling this will ensure there is only one active controller manager.") + flag.BoolVar(&secureMetrics, "metrics-secure", true, + "If set, the metrics endpoint is served securely via HTTPS. Use --metrics-secure=false to use HTTP instead.") + flag.BoolVar(&enableHTTP2, "enable-http2", false, + "If set, HTTP/2 will be enabled for the metrics and webhook servers") + flag.StringVar(&configMapPrefix, "configmap-prefix", "kc-", "prefix added to name of configmaps created from kconfigs") + flag.StringVar(&secretPrefix, "secret-prefix", "kc-", "prefix added to the name of secrets created from kconfigs") + flag.StringVar(&defaultContainerSelector, "default-container-selector", "{}", "default container selector if kconfig doesn't supply") + flag.StringVar(&webhookCertPath, "webhook-cert-path", "/tmp/k8s-webhook-server/serving-certs", "The directory that contains the webhook certificate.") + flag.StringVar(&webhookCertName, "webhook-cert-name", "tls.crt", "The name of the webhook certificate file.") + flag.StringVar(&webhookCertKey, "webhook-cert-key", "tls.key", "The name of the webhook key file.") + flag.IntVar(&webhookPort, "webhook-port", 9443, "The port on which the webhook server listens.") + opts := zap.Options{ + Development: true, + } + opts.BindFlags(flag.CommandLine) + flag.Parse() + + ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts))) + + // if the enable-http2 flag is false (the default), http/2 should be disabled + // due to its vulnerabilities. More specifically, disabling http/2 will + // prevent from being vulnerable to the HTTP/2 Stream Cancellation and + // Rapid Reset CVEs. For more information see: + // - https://github.com/advisories/GHSA-qppj-fm5r-hxr3 + // - https://github.com/advisories/GHSA-4374-p667-p6c8 + disableHTTP2 := func(c *tls.Config) { + setupLog.Info("disabling http/2") + c.NextProtos = []string{"http/1.1"} + } + + if !enableHTTP2 { + tlsOpts = append(tlsOpts, disableHTTP2) + } + // Create watchers for metrics and webhooks certificates + var webhookCertWatcher *certwatcher.CertWatcher + + // Initial webhook TLS options + webhookTLSOpts := tlsOpts + + if len(webhookCertPath) > 0 { + setupLog.Info("Initializing webhook certificate watcher using provided certificates", + "webhook-cert-path", webhookCertPath, "webhook-cert-name", webhookCertName, "webhook-cert-key", webhookCertKey) + + var err error + webhookCertWatcher, err = certwatcher.New( + filepath.Join(webhookCertPath, webhookCertName), + filepath.Join(webhookCertPath, webhookCertKey), + ) + if err != nil { + setupLog.Error(err, "Failed to initialize webhook certificate watcher") + os.Exit(1) + } + + webhookTLSOpts = append(webhookTLSOpts, func(config *tls.Config) { + config.GetCertificate = webhookCertWatcher.GetCertificate + }) + } + + var containerSelector v1.LabelSelector + err := json.Unmarshal([]byte(defaultContainerSelector), &containerSelector) + if err != nil { + setupLog.Error(err, fmt.Sprintf("error parsing default-container-selector: %s", err.Error())) + os.Exit(1) + } + setupLog.Info("setting up pod config injector webhook") + + webhookServer := webhook.NewServer(webhook.Options{ + TLSOpts: webhookTLSOpts, + Port: webhookPort, + }) + + // Metrics endpoint is enabled in 'config/default/kustomization.yaml'. The Metrics options configure the server. + // More info: + // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.19.1/pkg/metrics/server + // - https://book.kubebuilder.io/reference/metrics.html + metricsServerOptions := metricsserver.Options{ + BindAddress: metricsAddr, + SecureServing: secureMetrics, + TLSOpts: tlsOpts, + } + + if secureMetrics { + // FilterProvider is used to protect the metrics endpoint with authn/authz. + // These configurations ensure that only authorized users and service accounts + // can access the metrics endpoint. The RBAC are configured in 'config/rbac/kustomization.yaml'. More info: + // https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.19.1/pkg/metrics/filters#WithAuthenticationAndAuthorization + metricsServerOptions.FilterProvider = filters.WithAuthenticationAndAuthorization + + // TODO(user): If CertDir, CertName, and KeyName are not specified, controller-runtime will automatically + // generate self-signed certificates for the metrics server. While convenient for development and testing, + // this setup is not recommended for production. + } + + mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{ + Scheme: scheme, + Metrics: metricsServerOptions, + WebhookServer: webhookServer, + HealthProbeBindAddress: probeAddr, + LeaderElection: enableLeaderElection, + LeaderElectionID: "bf6b6708.atteg.com", + // LeaderElectionReleaseOnCancel defines if the leader should step down voluntarily + // when the Manager ends. This requires the binary to immediately end when the + // Manager is stopped, otherwise, this setting is unsafe. Setting this significantly + // speeds up voluntary leader transitions as the new leader don't have to wait + // LeaseDuration time first. + // + // In the default scaffold provided, the program ends immediately after + // the manager stops, so would be fine to enable this option. However, + // if you are doing or is intended to do any operation such as perform cleanups + // after the manager stops then its usage might be unsafe. + // LeaderElectionReleaseOnCancel: true, + }) + if err != nil { + setupLog.Error(err, "unable to start manager") + os.Exit(1) + } + + if err = (&controller.KconfigReconciler{ + Client: mgr.GetClient(), + Log: ctrl.Log.WithName("controllers").WithName("Kconfig"), + Scheme: mgr.GetScheme(), + Recorder: mgr.GetEventRecorderFor("Kconfig"), + ConfigMapPrefix: configMapPrefix, + SecretPrefix: secretPrefix, + }).SetupWithManager(mgr); err != nil { + setupLog.Error(err, "unable to create controller", "controller", "Kconfig") + os.Exit(1) + } + if err = (&controller.KconfigBindingReconciler{ + Client: mgr.GetClient(), + Log: ctrl.Log.WithName("controllers").WithName("KconfigBinding"), + Scheme: mgr.GetScheme(), + }).SetupWithManager(mgr); err != nil { + setupLog.Error(err, "unable to create controller", "controller", "KconfigBinding") + os.Exit(1) + } + + if err = webhook2.SetupPodConfigInjectorWithManager(mgr, &containerSelector); err != nil { + setupLog.Error(err, "unable to setup pod config injector", "webhook", "Pod") + os.Exit(1) + } + // +kubebuilder:scaffold:builder + + if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil { + setupLog.Error(err, "unable to set up health check") + os.Exit(1) + } + if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil { + setupLog.Error(err, "unable to set up ready check") + os.Exit(1) + } + + setupLog.Info("starting manager") + if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil { + setupLog.Error(err, "problem running manager") + os.Exit(1) + } + +} diff --git a/config/certmanager/certificate.yaml b/config/certmanager/certificate.yaml deleted file mode 100644 index 237c937..0000000 --- a/config/certmanager/certificate.yaml +++ /dev/null @@ -1,25 +0,0 @@ -# The following manifests contain a self-signed issuer CR and a certificate CR. -# More document can be found at https://docs.cert-manager.io -# WARNING: Targets CertManager 0.11 check https://docs.cert-manager.io/en/latest/tasks/upgrading/index.html for breaking changes -apiVersion: cert-manager.io/v1alpha2 -kind: Issuer -metadata: - name: selfsigned-issuer - namespace: system -spec: - selfSigned: {} ---- -apiVersion: cert-manager.io/v1alpha2 -kind: Certificate -metadata: - name: serving-cert # this name should match the one appeared in kustomizeconfig.yaml - namespace: system -spec: - # $(SERVICE_NAME) and $(SERVICE_NAMESPACE) will be substituted by kustomize - dnsNames: - - $(SERVICE_NAME).$(SERVICE_NAMESPACE).svc - - $(SERVICE_NAME).$(SERVICE_NAMESPACE).svc.cluster.local - issuerRef: - kind: Issuer - name: selfsigned-issuer - secretName: webhook-server-cert # this secret will not be prefixed, since it's not managed by kustomize diff --git a/config/certmanager/kustomization.yaml b/config/certmanager/kustomization.yaml deleted file mode 100644 index bebea5a..0000000 --- a/config/certmanager/kustomization.yaml +++ /dev/null @@ -1,5 +0,0 @@ -resources: -- certificate.yaml - -configurations: -- kustomizeconfig.yaml diff --git a/config/certmanager/kustomizeconfig.yaml b/config/certmanager/kustomizeconfig.yaml deleted file mode 100644 index 90d7c31..0000000 --- a/config/certmanager/kustomizeconfig.yaml +++ /dev/null @@ -1,16 +0,0 @@ -# This configuration is for teaching kustomize how to update name ref and var substitution -nameReference: -- kind: Issuer - group: cert-manager.io - fieldSpecs: - - kind: Certificate - group: cert-manager.io - path: spec/issuerRef/name - -varReference: -- kind: Certificate - group: cert-manager.io - path: spec/commonName -- kind: Certificate - group: cert-manager.io - path: spec/dnsNames diff --git a/config/crd/bases/kconfigcontroller.atteg.com_kconfigbindings.yaml b/config/crd/bases/kconfigcontroller.atteg.com_kconfigbindings.yaml index 8f5fb38..d4041c4 100644 --- a/config/crd/bases/kconfigcontroller.atteg.com_kconfigbindings.yaml +++ b/config/crd/bases/kconfigcontroller.atteg.com_kconfigbindings.yaml @@ -1,11 +1,9 @@ - --- -apiVersion: apiextensions.k8s.io/v1beta1 +apiVersion: apiextensions.k8s.io/v1 kind: CustomResourceDefinition metadata: annotations: - controller-gen.kubebuilder.io/version: v0.2.4 - creationTimestamp: null + controller-gen.kubebuilder.io/version: v0.16.4 name: kconfigbindings.kconfigcontroller.atteg.com spec: group: kconfigcontroller.atteg.com @@ -15,241 +13,265 @@ spec: plural: kconfigbindings singular: kconfigbinding scope: Namespaced - subresources: - status: {} - validation: - openAPIV3Schema: - description: KconfigBinding is the Schema for the kconfigbindings API - properties: - apiVersion: - description: 'APIVersion defines the versioned schema of this representation - of an object. Servers should convert recognized schemas to the latest - internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources' - type: string - kind: - description: 'Kind is a string value representing the REST resource this - object represents. Servers may infer this from the endpoint the client - submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds' - type: string - metadata: - type: object - spec: - description: KconfigBindingSpec defines the desired state of KconfigBinding - properties: - containerSelector: - description: A label selector is a label query over a set of resources. - The result of matchLabels and matchExpressions are ANDed. An empty - label selector matches all objects. A null label selector matches - no objects. - properties: - matchExpressions: - description: matchExpressions is a list of label selector requirements. - The requirements are ANDed. - items: - description: A label selector requirement is a selector that contains - values, a key, and an operator that relates the key and values. - properties: - key: - description: key is the label key that the selector applies - to. - type: string - operator: - description: operator represents a key's relationship to a - set of values. Valid operators are In, NotIn, Exists and - DoesNotExist. - type: string - values: - description: values is an array of string values. If the operator - is In or NotIn, the values array must be non-empty. If the - operator is Exists or DoesNotExist, the values array must - be empty. This array is replaced during a strategic merge - patch. - items: + versions: + - name: v1beta1 + schema: + openAPIV3Schema: + description: KconfigBinding is the Schema for the kconfigbindings API. + properties: + apiVersion: + description: |- + APIVersion defines the versioned schema of this representation of an object. + Servers should convert recognized schemas to the latest internal value, and + may reject unrecognized values. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources + type: string + kind: + description: |- + Kind is a string value representing the REST resource this object represents. + Servers may infer this from the endpoint the client submits requests to. + Cannot be updated. + In CamelCase. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds + type: string + metadata: + type: object + spec: + description: KconfigBindingSpec defines the desired state of KconfigBinding. + properties: + containerSelector: + description: |- + A label selector is a label query over a set of resources. The result of matchLabels and + matchExpressions are ANDed. An empty label selector matches all objects. A null + label selector matches no objects. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies + to. type: string - type: array - required: - - key - - operator + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. type: object - type: array - matchLabels: - additionalProperties: - type: string - description: matchLabels is a map of {key,value} pairs. A single - {key,value} in the matchLabels map is equivalent to an element - of matchExpressions, whose key field is "key", the operator is - "In", and the values array contains only "value". The requirements - are ANDed. + type: object + x-kubernetes-map-type: atomic + envs: + items: + description: EnvVar represents an environment variable present in + a Container. + properties: + name: + description: Name of the environment variable. Must be a C_IDENTIFIER. + type: string + value: + description: |- + Variable references $(VAR_NAME) are expanded + using the previously defined environment variables in the container and + any service environment variables. If a variable cannot be resolved, + the reference in the input string will be unchanged. Double $$ are reduced + to a single $, which allows for escaping the $(VAR_NAME) syntax: i.e. + "$$(VAR_NAME)" will produce the string literal "$(VAR_NAME)". + Escaped references will never be expanded, regardless of whether the variable + exists or not. + Defaults to "". + type: string + valueFrom: + description: Source for the environment variable's value. Cannot + be used if value is not empty. + properties: + configMapKeyRef: + description: Selects a key of a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the ConfigMap or its key + must be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: |- + Selects a field of the pod: supports metadata.name, metadata.namespace, `metadata.labels['']`, `metadata.annotations['']`, + spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP, status.podIPs. + properties: + apiVersion: + description: Version of the schema the FieldPath is + written in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select in the specified + API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + resourceFieldRef: + description: |- + Selects a resource of the container: only resources limits and requests + (limits.cpu, limits.memory, limits.ephemeral-storage, requests.cpu, requests.memory and requests.ephemeral-storage) are currently supported. + properties: + containerName: + description: 'Container name: required for volumes, + optional for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format of the exposed + resources, defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: Selects a key of a secret in the pod's namespace + properties: + key: + description: The key of the secret to select from. Must + be a valid secret key. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the Secret or its key must + be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: object + required: + - name type: object - type: object - envs: - items: - description: EnvVar represents an environment variable present in - a Container. + type: array + level: + type: integer + selector: + description: |- + A label selector is a label query over a set of resources. The result of matchLabels and + matchExpressions are ANDed. An empty label selector matches all objects. A null + label selector matches no objects. properties: - name: - description: Name of the environment variable. Must be a C_IDENTIFIER. - type: string - value: - description: 'Variable references $(VAR_NAME) are expanded using - the previous defined environment variables in the container - and any service environment variables. If a variable cannot - be resolved, the reference in the input string will be unchanged. - The $(VAR_NAME) syntax can be escaped with a double $$, ie: - $$(VAR_NAME). Escaped references will never be expanded, regardless - of whether the variable exists or not. Defaults to "".' - type: string - valueFrom: - description: Source for the environment variable's value. Cannot - be used if value is not empty. - properties: - configMapKeyRef: - description: Selects a key of a ConfigMap. - properties: - key: - description: The key to select. - type: string - name: - description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid?' - type: string - optional: - description: Specify whether the ConfigMap or its key - must be defined - type: boolean - required: - - key - type: object - fieldRef: - description: 'Selects a field of the pod: supports metadata.name, - metadata.namespace, metadata.labels, metadata.annotations, - spec.nodeName, spec.serviceAccountName, status.hostIP, status.podIP.' - properties: - apiVersion: - description: Version of the schema the FieldPath is written - in terms of, defaults to "v1". - type: string - fieldPath: - description: Path of the field to select in the specified - API version. - type: string - required: - - fieldPath - type: object - resourceFieldRef: - description: 'Selects a resource of the container: only resources - limits and requests (limits.cpu, limits.memory, limits.ephemeral-storage, - requests.cpu, requests.memory and requests.ephemeral-storage) - are currently supported.' - properties: - containerName: - description: 'Container name: required for volumes, optional - for env vars' - type: string - divisor: - description: Specifies the output format of the exposed - resources, defaults to "1" - type: string - resource: - description: 'Required: resource to select' - type: string - required: - - resource - type: object - secretKeyRef: - description: Selects a key of a secret in the pod's namespace - properties: - key: - description: The key of the secret to select from. Must - be a valid secret key. - type: string - name: - description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid?' + matchExpressions: + description: matchExpressions is a list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies + to. + type: string + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: type: string - optional: - description: Specify whether the Secret or its key must - be defined - type: boolean - required: - - key - type: object + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. type: object - required: - - name type: object - type: array - level: - type: integer - selector: - description: A label selector is a label query over a set of resources. - The result of matchLabels and matchExpressions are ANDed. An empty - label selector matches all objects. A null label selector matches - no objects. - properties: - matchExpressions: - description: matchExpressions is a list of label selector requirements. - The requirements are ANDed. - items: - description: A label selector requirement is a selector that contains - values, a key, and an operator that relates the key and values. - properties: - key: - description: key is the label key that the selector applies - to. - type: string - operator: - description: operator represents a key's relationship to a - set of values. Valid operators are In, NotIn, Exists and - DoesNotExist. - type: string - values: - description: values is an array of string values. If the operator - is In or NotIn, the values array must be non-empty. If the - operator is Exists or DoesNotExist, the values array must - be empty. This array is replaced during a strategic merge - patch. - items: - type: string - type: array - required: - - key - - operator - type: object - type: array - matchLabels: - additionalProperties: - type: string - description: matchLabels is a map of {key,value} pairs. A single - {key,value} in the matchLabels map is equivalent to an element - of matchExpressions, whose key field is "key", the operator is - "In", and the values array contains only "value". The requirements - are ANDed. - type: object - type: object - required: - - containerSelector - - envs - - level - type: object - status: - description: KconfigBindingStatus defines the observed state of KconfigBinding - properties: - observedGeneration: - format: int64 - type: integer - required: - - observedGeneration - type: object - type: object - version: v1beta1 - versions: - - name: v1beta1 + x-kubernetes-map-type: atomic + required: + - containerSelector + - envs + - level + type: object + status: + description: KconfigBindingStatus defines the observed state of KconfigBinding. + properties: + observedGeneration: + format: int64 + type: integer + required: + - observedGeneration + type: object + type: object served: true storage: true -status: - acceptedNames: - kind: "" - plural: "" - conditions: [] - storedVersions: [] + subresources: + status: {} diff --git a/config/crd/bases/kconfigcontroller.atteg.com_kconfigs.yaml b/config/crd/bases/kconfigcontroller.atteg.com_kconfigs.yaml index 89910fe..fff6489 100644 --- a/config/crd/bases/kconfigcontroller.atteg.com_kconfigs.yaml +++ b/config/crd/bases/kconfigcontroller.atteg.com_kconfigs.yaml @@ -1,11 +1,9 @@ - --- -apiVersion: apiextensions.k8s.io/v1beta1 +apiVersion: apiextensions.k8s.io/v1 kind: CustomResourceDefinition metadata: annotations: - controller-gen.kubebuilder.io/version: v0.2.4 - creationTimestamp: null + controller-gen.kubebuilder.io/version: v0.16.4 name: kconfigs.kconfigcontroller.atteg.com spec: group: kconfigcontroller.atteg.com @@ -15,219 +13,244 @@ spec: plural: kconfigs singular: kconfig scope: Namespaced - validation: - openAPIV3Schema: - description: Kconfig is the Schema for the kconfigs API - properties: - apiVersion: - description: 'APIVersion defines the versioned schema of this representation - of an object. Servers should convert recognized schemas to the latest - internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources' - type: string - kind: - description: 'Kind is a string value representing the REST resource this - object represents. Servers may infer this from the endpoint the client - submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds' - type: string - metadata: - type: object - spec: - description: KconfigSpec defines the desired state of Kconfig - properties: - containerSelector: - description: A label selector is a label query over a set of resources. - The result of matchLabels and matchExpressions are ANDed. An empty - label selector matches all objects. A null label selector matches - no objects. - properties: - matchExpressions: - description: matchExpressions is a list of label selector requirements. - The requirements are ANDed. - items: - description: A label selector requirement is a selector that contains - values, a key, and an operator that relates the key and values. - properties: - key: - description: key is the label key that the selector applies - to. - type: string - operator: - description: operator represents a key's relationship to a - set of values. Valid operators are In, NotIn, Exists and - DoesNotExist. - type: string - values: - description: values is an array of string values. If the operator - is In or NotIn, the values array must be non-empty. If the - operator is Exists or DoesNotExist, the values array must - be empty. This array is replaced during a strategic merge - patch. - items: + versions: + - name: v1beta1 + schema: + openAPIV3Schema: + description: Kconfig is the Schema for the kconfigs API. + properties: + apiVersion: + description: |- + APIVersion defines the versioned schema of this representation of an object. + Servers should convert recognized schemas to the latest internal value, and + may reject unrecognized values. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources + type: string + kind: + description: |- + Kind is a string value representing the REST resource this object represents. + Servers may infer this from the endpoint the client submits requests to. + Cannot be updated. + In CamelCase. + More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds + type: string + metadata: + type: object + spec: + description: KconfigSpec defines the desired state of Kconfig. + properties: + containerSelector: + description: |- + A label selector is a label query over a set of resources. The result of matchLabels and + matchExpressions are ANDed. An empty label selector matches all objects. A null + label selector matches no objects. + properties: + matchExpressions: + description: matchExpressions is a list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies + to. type: string - type: array - required: - - key - - operator + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. type: object - type: array - matchLabels: - additionalProperties: - type: string - description: matchLabels is a map of {key,value} pairs. A single - {key,value} in the matchLabels map is equivalent to an element - of matchExpressions, whose key field is "key", the operator is - "In", and the values array contains only "value". The requirements - are ANDed. + type: object + x-kubernetes-map-type: atomic + envConfigs: + items: + description: EnvConfig represents a single environment variable + configuration + properties: + configMapKeyRef: + description: Selects a key from a ConfigMap. + properties: + key: + description: The key to select. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the ConfigMap or its key must + be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + fieldRef: + description: ObjectFieldSelector selects an APIVersioned field + of an object. + properties: + apiVersion: + description: Version of the schema the FieldPath is written + in terms of, defaults to "v1". + type: string + fieldPath: + description: Path of the field to select in the specified + API version. + type: string + required: + - fieldPath + type: object + x-kubernetes-map-type: atomic + key: + type: string + resourceFieldRef: + description: ResourceFieldSelector represents container resources + (cpu, memory) and their output format + properties: + containerName: + description: 'Container name: required for volumes, optional + for env vars' + type: string + divisor: + anyOf: + - type: integer + - type: string + description: Specifies the output format of the exposed + resources, defaults to "1" + pattern: ^(\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))(([KMGTPE]i)|[numkMGTPE]|([eE](\+|-)?(([0-9]+(\.[0-9]*)?)|(\.[0-9]+))))?$ + x-kubernetes-int-or-string: true + resource: + description: 'Required: resource to select' + type: string + required: + - resource + type: object + x-kubernetes-map-type: atomic + secretKeyRef: + description: SecretKeySelector selects a key of a Secret. + properties: + key: + description: The key of the secret to select from. Must + be a valid secret key. + type: string + name: + default: "" + description: |- + Name of the referent. + This field is effectively required, but due to backwards compatibility is + allowed to be empty. Instances of this type with an empty value here are + almost certainly wrong. + More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names + type: string + optional: + description: Specify whether the Secret or its key must + be defined + type: boolean + required: + - key + type: object + x-kubernetes-map-type: atomic + type: + description: Type should be immutable + type: string + value: + type: string + required: + - key type: object - type: object - envConfigs: - items: - description: EnvConfig represents a single environment variable configuration + type: array + level: + type: integer + selector: + description: |- + A label selector is a label query over a set of resources. The result of matchLabels and + matchExpressions are ANDed. An empty label selector matches all objects. A null + label selector matches no objects. properties: - configMapKeyRef: - description: Selects a key from a ConfigMap. - properties: - key: - description: The key to select. - type: string - name: - description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid?' - type: string - optional: - description: Specify whether the ConfigMap or its key must - be defined - type: boolean - required: - - key - type: object - fieldRef: - description: ObjectFieldSelector selects an APIVersioned field - of an object. - properties: - apiVersion: - description: Version of the schema the FieldPath is written - in terms of, defaults to "v1". - type: string - fieldPath: - description: Path of the field to select in the specified - API version. - type: string - required: - - fieldPath - type: object - key: - type: string - resourceFieldRef: - description: ResourceFieldSelector represents container resources - (cpu, memory) and their output format - properties: - containerName: - description: 'Container name: required for volumes, optional - for env vars' - type: string - divisor: - description: Specifies the output format of the exposed resources, - defaults to "1" - type: string - resource: - description: 'Required: resource to select' - type: string - required: - - resource - type: object - secretKeyRef: - description: SecretKeySelector selects a key of a Secret. - properties: - key: - description: The key of the secret to select from. Must be - a valid secret key. - type: string - name: - description: 'Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names - TODO: Add other useful fields. apiVersion, kind, uid?' - type: string - optional: - description: Specify whether the Secret or its key must be - defined - type: boolean - required: - - key - type: object - type: - description: Type should be immutable - type: string - value: - type: string - required: - - key - type: object - type: array - level: - type: integer - selector: - description: A label selector is a label query over a set of resources. - The result of matchLabels and matchExpressions are ANDed. An empty - label selector matches all objects. A null label selector matches - no objects. - properties: - matchExpressions: - description: matchExpressions is a list of label selector requirements. - The requirements are ANDed. - items: - description: A label selector requirement is a selector that contains - values, a key, and an operator that relates the key and values. - properties: - key: - description: key is the label key that the selector applies - to. - type: string - operator: - description: operator represents a key's relationship to a - set of values. Valid operators are In, NotIn, Exists and - DoesNotExist. - type: string - values: - description: values is an array of string values. If the operator - is In or NotIn, the values array must be non-empty. If the - operator is Exists or DoesNotExist, the values array must - be empty. This array is replaced during a strategic merge - patch. - items: + matchExpressions: + description: matchExpressions is a list of label selector requirements. + The requirements are ANDed. + items: + description: |- + A label selector requirement is a selector that contains values, a key, and an operator that + relates the key and values. + properties: + key: + description: key is the label key that the selector applies + to. type: string - type: array - required: - - key - - operator + operator: + description: |- + operator represents a key's relationship to a set of values. + Valid operators are In, NotIn, Exists and DoesNotExist. + type: string + values: + description: |- + values is an array of string values. If the operator is In or NotIn, + the values array must be non-empty. If the operator is Exists or DoesNotExist, + the values array must be empty. This array is replaced during a strategic + merge patch. + items: + type: string + type: array + x-kubernetes-list-type: atomic + required: + - key + - operator + type: object + type: array + x-kubernetes-list-type: atomic + matchLabels: + additionalProperties: + type: string + description: |- + matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels + map is equivalent to an element of matchExpressions, whose key field is "key", the + operator is "In", and the values array contains only "value". The requirements are ANDed. type: object - type: array - matchLabels: - additionalProperties: - type: string - description: matchLabels is a map of {key,value} pairs. A single - {key,value} in the matchLabels map is equivalent to an element - of matchExpressions, whose key field is "key", the operator is - "In", and the values array contains only "value". The requirements - are ANDed. - type: object - type: object - required: - - containerSelector - - envConfigs - - level - type: object - status: - description: KconfigStatus defines the observed state of Kconfig - type: object - type: object - version: v1beta1 - versions: - - name: v1beta1 + type: object + x-kubernetes-map-type: atomic + required: + - containerSelector + - envConfigs + - level + type: object + status: + description: KconfigStatus defines the observed state of Kconfig. + type: object + type: object served: true storage: true -status: - acceptedNames: - kind: "" - plural: "" - conditions: [] - storedVersions: [] + subresources: + status: {} diff --git a/config/crd/kustomization.yaml b/config/crd/kustomization.yaml index 9ed498f..be32500 100644 --- a/config/crd/kustomization.yaml +++ b/config/crd/kustomization.yaml @@ -6,19 +6,16 @@ resources: - bases/kconfigcontroller.atteg.com_kconfigbindings.yaml # +kubebuilder:scaffold:crdkustomizeresource -patchesStrategicMerge: +patches: # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix. # patches here are for enabling the conversion webhook for each CRD -#- patches/webhook_in_kconfigs.yaml -#- patches/webhook_in_kconfigbindings.yaml # +kubebuilder:scaffold:crdkustomizewebhookpatch -# [CERTMANAGER] To enable webhook, uncomment all the sections with [CERTMANAGER] prefix. +# [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix. # patches here are for enabling the CA injection for each CRD -- patches/cainjection_in_kconfigs.yaml -#- patches/cainjection_in_kconfigbindings.yaml # +kubebuilder:scaffold:crdkustomizecainjectionpatch +# [WEBHOOK] To enable webhook, uncomment the following section # the following config is for teaching kustomize how to do kustomization for CRDs. -configurations: -- kustomizeconfig.yaml +#configurations: +#- kustomizeconfig.yaml diff --git a/config/crd/kustomizeconfig.yaml b/config/crd/kustomizeconfig.yaml index 6f83d9a..ec5c150 100644 --- a/config/crd/kustomizeconfig.yaml +++ b/config/crd/kustomizeconfig.yaml @@ -4,13 +4,15 @@ nameReference: version: v1 fieldSpecs: - kind: CustomResourceDefinition + version: v1 group: apiextensions.k8s.io - path: spec/conversion/webhookClientConfig/service/name + path: spec/conversion/webhook/clientConfig/service/name namespace: - kind: CustomResourceDefinition + version: v1 group: apiextensions.k8s.io - path: spec/conversion/webhookClientConfig/service/namespace + path: spec/conversion/webhook/clientConfig/service/namespace create: false varReference: diff --git a/config/crd/patches/cainjection_in_kconfigbindings.yaml b/config/crd/patches/cainjection_in_kconfigbindings.yaml deleted file mode 100644 index 85b1a8c..0000000 --- a/config/crd/patches/cainjection_in_kconfigbindings.yaml +++ /dev/null @@ -1,8 +0,0 @@ -# The following patch adds a directive for certmanager to inject CA into the CRD -# CRD conversion requires k8s 1.13 or later. -apiVersion: apiextensions.k8s.io/v1beta1 -kind: CustomResourceDefinition -metadata: - annotations: - cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME) - name: kconfigbindings.kconfigcontroller.atteg.com diff --git a/config/crd/patches/cainjection_in_kconfigs.yaml b/config/crd/patches/cainjection_in_kconfigs.yaml deleted file mode 100644 index a9318cc..0000000 --- a/config/crd/patches/cainjection_in_kconfigs.yaml +++ /dev/null @@ -1,8 +0,0 @@ -# The following patch adds a directive for certmanager to inject CA into the CRD -# CRD conversion requires k8s 1.13 or later. -apiVersion: apiextensions.k8s.io/v1beta1 -kind: CustomResourceDefinition -metadata: - annotations: - cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME) - name: kconfigs.kconfigcontroller.atteg.com diff --git a/config/crd/patches/webhook_in_kconfigbindings.yaml b/config/crd/patches/webhook_in_kconfigbindings.yaml deleted file mode 100644 index b200d98..0000000 --- a/config/crd/patches/webhook_in_kconfigbindings.yaml +++ /dev/null @@ -1,17 +0,0 @@ -# The following patch enables conversion webhook for CRD -# CRD conversion requires k8s 1.13 or later. -apiVersion: apiextensions.k8s.io/v1beta1 -kind: CustomResourceDefinition -metadata: - name: kconfigbindings.kconfigcontroller.atteg.com -spec: - conversion: - strategy: Webhook - webhookClientConfig: - # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank, - # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager) - caBundle: Cg== - service: - namespace: system - name: webhook-service - path: /convert diff --git a/config/crd/patches/webhook_in_kconfigs.yaml b/config/crd/patches/webhook_in_kconfigs.yaml deleted file mode 100644 index e0ae1f7..0000000 --- a/config/crd/patches/webhook_in_kconfigs.yaml +++ /dev/null @@ -1,17 +0,0 @@ -# The following patch enables conversion webhook for CRD -# CRD conversion requires k8s 1.13 or later. -apiVersion: apiextensions.k8s.io/v1beta1 -kind: CustomResourceDefinition -metadata: - name: kconfigs.kconfigcontroller.atteg.com -spec: - conversion: - strategy: Webhook - webhookClientConfig: - # this is "\n" used as a placeholder, otherwise it will be rejected by the apiserver for being blank, - # but we're going to set it later using the cert-manager (or potentially a patch if not using cert-manager) - caBundle: Cg== - service: - namespace: system - name: webhook-service - path: /convert diff --git a/config/default/kustomization.yaml b/config/default/kustomization.yaml index 349c109..b9eed3d 100644 --- a/config/default/kustomization.yaml +++ b/config/default/kustomization.yaml @@ -9,66 +9,169 @@ namespace: kconfig-controller-system namePrefix: kconfig-controller- # Labels to add to all resources and selectors. -#commonLabels: -# someName: someValue +#labels: +#- includeSelectors: true +# pairs: +# someName: someValue -bases: +resources: - ../crd - ../rbac - ../manager -# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in crd/kustomization.yaml -- ../webhook +# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in +# crd/kustomization.yaml +#- ../webhook # [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required. -- ../certmanager -# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'. +#- ../certmanager +# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'. #- ../prometheus +# [METRICS] Expose the controller manager metrics service. +- metrics_service.yaml +# [NETWORK POLICY] Protect the /metrics endpoint and Webhook Server with NetworkPolicy. +# Only Pod(s) running a namespace labeled with 'metrics: enabled' will be able to gather the metrics. +# Only CR(s) which requires webhooks and are applied on namespaces labeled with 'webhooks: enabled' will +# be able to communicate with the Webhook Server. +#- ../network-policy -patchesStrategicMerge: - # Protect the /metrics endpoint by putting it behind auth. - # Only one of manager_auth_proxy_patch.yaml and - # manager_prometheus_metrics_patch.yaml should be enabled. -#- manager_auth_proxy_patch.yaml - # If you want your controller-manager to expose the /metrics - # endpoint w/o any authn/z, uncomment the following line and - # comment manager_auth_proxy_patch.yaml. - # Only one of manager_auth_proxy_patch.yaml and - # manager_prometheus_metrics_patch.yaml should be enabled. -#- manager_prometheus_metrics_patch.yaml +# Uncomment the patches line if you enable Metrics, and/or are using webhooks and cert-manager +patches: +# [METRICS] The following patch will enable the metrics endpoint using HTTPS and the port :8443. +# More info: https://book.kubebuilder.io/reference/metrics +- path: manager_metrics_patch.yaml + target: + kind: Deployment -# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in crd/kustomization.yaml -- manager_webhook_patch.yaml +# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in +# crd/kustomization.yaml +#- path: manager_webhook_patch.yaml -# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. -# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks. -# 'CERTMANAGER' needs to be enabled to use ca injection -- webhookcainjection_patch.yaml - -# the following config is for teaching kustomize how to do var substitution -vars: # [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix. -- name: CERTIFICATE_NAMESPACE # namespace of the certificate CR - objref: - kind: Certificate - group: cert-manager.io - version: v1alpha2 - name: serving-cert # this name should match the one in certificate.yaml - fieldref: - fieldpath: metadata.namespace -- name: CERTIFICATE_NAME - objref: - kind: Certificate - group: cert-manager.io - version: v1alpha2 - name: serving-cert # this name should match the one in certificate.yaml -- name: SERVICE_NAMESPACE # namespace of the service - objref: - kind: Service - version: v1 - name: webhook-service - fieldref: - fieldpath: metadata.namespace -- name: SERVICE_NAME - objref: - kind: Service - version: v1 - name: webhook-service +# Uncomment the following replacements to add the cert-manager CA injection annotations +#replacements: +# - source: # Uncomment the following block if you have any webhook +# kind: Service +# version: v1 +# name: webhook-service +# fieldPath: .metadata.name # Name of the service +# targets: +# - select: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# fieldPaths: +# - .spec.dnsNames.0 +# - .spec.dnsNames.1 +# options: +# delimiter: '.' +# index: 0 +# create: true +# - source: +# kind: Service +# version: v1 +# name: webhook-service +# fieldPath: .metadata.namespace # Namespace of the service +# targets: +# - select: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# fieldPaths: +# - .spec.dnsNames.0 +# - .spec.dnsNames.1 +# options: +# delimiter: '.' +# index: 1 +# create: true +# +# - source: # Uncomment the following block if you have a ValidatingWebhook (--programmatic-validation) +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # This name should match the one in certificate.yaml +# fieldPath: .metadata.namespace # Namespace of the certificate CR +# targets: +# - select: +# kind: ValidatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 0 +# create: true +# - source: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # This name should match the one in certificate.yaml +# fieldPath: .metadata.name +# targets: +# - select: +# kind: ValidatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 1 +# create: true +# +# - source: # Uncomment the following block if you have a DefaultingWebhook (--defaulting ) +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # This name should match the one in certificate.yaml +# fieldPath: .metadata.namespace # Namespace of the certificate CR +# targets: +# - select: +# kind: MutatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 0 +# create: true +# - source: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # This name should match the one in certificate.yaml +# fieldPath: .metadata.name +# targets: +# - select: +# kind: MutatingWebhookConfiguration +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 1 +# create: true +# +# - source: # Uncomment the following block if you have a ConversionWebhook (--conversion) +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # This name should match the one in certificate.yaml +# fieldPath: .metadata.namespace # Namespace of the certificate CR +# targets: +# - select: +# kind: CustomResourceDefinition +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 0 +# create: true +# - source: +# kind: Certificate +# group: cert-manager.io +# version: v1 +# name: serving-cert # This name should match the one in certificate.yaml +# fieldPath: .metadata.name +# targets: +# - select: +# kind: CustomResourceDefinition +# fieldPaths: +# - .metadata.annotations.[cert-manager.io/inject-ca-from] +# options: +# delimiter: '/' +# index: 1 +# create: true diff --git a/config/default/manager_auth_proxy_patch.yaml b/config/default/manager_auth_proxy_patch.yaml deleted file mode 100644 index 61cb5e7..0000000 --- a/config/default/manager_auth_proxy_patch.yaml +++ /dev/null @@ -1,25 +0,0 @@ -# This patch inject a sidecar container which is a HTTP proxy for the controller manager, -# it performs RBAC authorization against the Kubernetes API using SubjectAccessReviews. -apiVersion: apps/v1 -kind: Deployment -metadata: - name: controller-manager - namespace: system -spec: - template: - spec: - containers: - - name: kube-rbac-proxy - image: gcr.io/kubebuilder/kube-rbac-proxy:v0.4.1 - args: - - "--secure-listen-address=0.0.0.0:8443" - - "--upstream=http://127.0.0.1:8080/" - - "--logtostderr=true" - - "--v=10" - ports: - - containerPort: 8443 - name: https - - name: manager - args: - - "--metrics-addr=127.0.0.1:8080" - - "--enable-leader-election" diff --git a/config/default/manager_metrics_patch.yaml b/config/default/manager_metrics_patch.yaml new file mode 100644 index 0000000..2aaef65 --- /dev/null +++ b/config/default/manager_metrics_patch.yaml @@ -0,0 +1,4 @@ +# This patch adds the args to allow exposing the metrics endpoint using HTTPS +- op: add + path: /spec/template/spec/containers/0/args/0 + value: --metrics-bind-address=:8443 diff --git a/config/default/manager_webhook_patch.yaml b/config/default/manager_webhook_patch.yaml deleted file mode 100644 index 738de35..0000000 --- a/config/default/manager_webhook_patch.yaml +++ /dev/null @@ -1,23 +0,0 @@ -apiVersion: apps/v1 -kind: Deployment -metadata: - name: controller-manager - namespace: system -spec: - template: - spec: - containers: - - name: manager - ports: - - containerPort: 9443 - name: webhook-server - protocol: TCP - volumeMounts: - - mountPath: /tmp/k8s-webhook-server/serving-certs - name: cert - readOnly: true - volumes: - - name: cert - secret: - defaultMode: 420 - secretName: webhook-server-cert diff --git a/config/rbac/auth_proxy_service.yaml b/config/default/metrics_service.yaml similarity index 65% rename from config/rbac/auth_proxy_service.yaml rename to config/default/metrics_service.yaml index 6cf656b..f5c3915 100644 --- a/config/rbac/auth_proxy_service.yaml +++ b/config/default/metrics_service.yaml @@ -3,12 +3,15 @@ kind: Service metadata: labels: control-plane: controller-manager + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: controller-manager-metrics-service namespace: system spec: ports: - name: https port: 8443 - targetPort: https + protocol: TCP + targetPort: 8443 selector: control-plane: controller-manager diff --git a/config/default/webhookcainjection_patch.yaml b/config/default/webhookcainjection_patch.yaml deleted file mode 100644 index 79c5b20..0000000 --- a/config/default/webhookcainjection_patch.yaml +++ /dev/null @@ -1,8 +0,0 @@ -# This patch add annotation to admission webhook config and -# the variables $(CERTIFICATE_NAMESPACE) and $(CERTIFICATE_NAME) will be substituted by kustomize. -apiVersion: admissionregistration.k8s.io/v1beta1 -kind: MutatingWebhookConfiguration -metadata: - name: mutating-webhook-configuration - annotations: - cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME) diff --git a/config/manager/kustomization.yaml b/config/manager/kustomization.yaml index 4c0934b..5c5f0b8 100644 --- a/config/manager/kustomization.yaml +++ b/config/manager/kustomization.yaml @@ -1,8 +1,2 @@ resources: - manager.yaml -apiVersion: kustomize.config.k8s.io/v1beta1 -kind: Kustomization -images: -- name: controller - newName: your-registry.example.com/kconfig-system/kconfig-controller - newTag: v0.9.0-BETA-1 diff --git a/config/manager/manager.yaml b/config/manager/manager.yaml index d399c54..87b8df8 100644 --- a/config/manager/manager.yaml +++ b/config/manager/manager.yaml @@ -3,6 +3,8 @@ kind: Namespace metadata: labels: control-plane: controller-manager + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: system --- apiVersion: apps/v1 @@ -12,6 +14,8 @@ metadata: namespace: system labels: control-plane: controller-manager + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize spec: selector: matchLabels: @@ -19,27 +23,73 @@ spec: replicas: 1 template: metadata: + annotations: + kubectl.kubernetes.io/default-container: manager labels: control-plane: controller-manager - annotations: - prometheus.io/path: /metrics - prometheus.io/port: "8080" - prometheus.io/scheme: https - prometheus.io/scrape: "true" spec: + # TODO(user): Uncomment the following code to configure the nodeAffinity expression + # according to the platforms which are supported by your solution. + # It is considered best practice to support multiple architectures. You can + # build your manager image using the makefile target docker-buildx. + # affinity: + # nodeAffinity: + # requiredDuringSchedulingIgnoredDuringExecution: + # nodeSelectorTerms: + # - matchExpressions: + # - key: kubernetes.io/arch + # operator: In + # values: + # - amd64 + # - arm64 + # - ppc64le + # - s390x + # - key: kubernetes.io/os + # operator: In + # values: + # - linux + securityContext: + runAsNonRoot: true + # TODO(user): For common cases that do not require escalating privileges + # it is recommended to ensure that all your Pods/Containers are restrictive. + # More info: https://kubernetes.io/docs/concepts/security/pod-security-standards/#restricted + # Please uncomment the following code if your project does NOT have to work on old Kubernetes + # versions < 1.19 or on vendors versions which do NOT support this field by default (i.e. Openshift < 4.11 ). + # seccompProfile: + # type: RuntimeDefault containers: - command: - /manager args: - - --metrics-addr=:8080 - - --enable-leader-election + - --leader-elect + - --health-probe-bind-address=:8081 image: controller:latest name: manager + securityContext: + allowPrivilegeEscalation: false + capabilities: + drop: + - "ALL" + livenessProbe: + httpGet: + path: /healthz + port: 8081 + initialDelaySeconds: 15 + periodSeconds: 20 + readinessProbe: + httpGet: + path: /readyz + port: 8081 + initialDelaySeconds: 5 + periodSeconds: 10 + # TODO(user): Configure the resources accordingly based on the project requirements. + # More info: https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ resources: limits: - cpu: "4" - memory: 6Gi + cpu: 500m + memory: 128Mi requests: - cpu: "4" - memory: 6Gi + cpu: 10m + memory: 64Mi + serviceAccountName: controller-manager terminationGracePeriodSeconds: 10 diff --git a/config/network-policy/allow-metrics-traffic.yaml b/config/network-policy/allow-metrics-traffic.yaml new file mode 100644 index 0000000..e1739d8 --- /dev/null +++ b/config/network-policy/allow-metrics-traffic.yaml @@ -0,0 +1,26 @@ +# This NetworkPolicy allows ingress traffic +# with Pods running on namespaces labeled with 'metrics: enabled'. Only Pods on those +# namespaces are able to gathering data from the metrics endpoint. +apiVersion: networking.k8s.io/v1 +kind: NetworkPolicy +metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize + name: allow-metrics-traffic + namespace: system +spec: + podSelector: + matchLabels: + control-plane: controller-manager + policyTypes: + - Ingress + ingress: + # This allows ingress traffic from any namespace with the label metrics: enabled + - from: + - namespaceSelector: + matchLabels: + metrics: enabled # Only from namespaces with this label + ports: + - port: 8443 + protocol: TCP diff --git a/config/network-policy/kustomization.yaml b/config/network-policy/kustomization.yaml new file mode 100644 index 0000000..ec0fb5e --- /dev/null +++ b/config/network-policy/kustomization.yaml @@ -0,0 +1,2 @@ +resources: +- allow-metrics-traffic.yaml diff --git a/config/prometheus/monitor.yaml b/config/prometheus/monitor.yaml index e2d9b08..cb4f060 100644 --- a/config/prometheus/monitor.yaml +++ b/config/prometheus/monitor.yaml @@ -1,15 +1,30 @@ - # Prometheus Monitor Service (Metrics) apiVersion: monitoring.coreos.com/v1 kind: ServiceMonitor metadata: labels: control-plane: controller-manager + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: controller-manager-metrics-monitor namespace: system spec: endpoints: - path: /metrics - port: https + port: https # Ensure this is the name of the port that exposes HTTPS metrics + scheme: https + bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token + tlsConfig: + # TODO(user): The option insecureSkipVerify: true is not recommended for production since it disables + # certificate verification. This poses a significant security risk by making the system vulnerable to + # man-in-the-middle attacks, where an attacker could intercept and manipulate the communication between + # Prometheus and the monitored services. This could lead to unauthorized access to sensitive metrics data, + # compromising the integrity and confidentiality of the information. + # Please use the following options for secure configurations: + # caFile: /etc/metrics-certs/ca.crt + # certFile: /etc/metrics-certs/tls.crt + # keyFile: /etc/metrics-certs/tls.key + insecureSkipVerify: true selector: - control-plane: controller-manager + matchLabels: + control-plane: controller-manager diff --git a/config/rbac/kconfig_editor_role.yaml b/config/rbac/kconfig_editor_role.yaml index e0cb07a..52fdafd 100644 --- a/config/rbac/kconfig_editor_role.yaml +++ b/config/rbac/kconfig_editor_role.yaml @@ -1,7 +1,10 @@ -# permissions to do edit kconfigs. +# permissions for end users to edit kconfigs. apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: kconfig-editor-role rules: - apiGroups: @@ -22,5 +25,3 @@ rules: - kconfigs/status verbs: - get - - patch - - update diff --git a/config/rbac/kconfig_viewer_role.yaml b/config/rbac/kconfig_viewer_role.yaml index c2418fc..dd917df 100644 --- a/config/rbac/kconfig_viewer_role.yaml +++ b/config/rbac/kconfig_viewer_role.yaml @@ -1,7 +1,10 @@ -# permissions to do viewer kconfigs. +# permissions for end users to view kconfigs. apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: kconfig-viewer-role rules: - apiGroups: diff --git a/config/rbac/kconfigbinding_editor_role.yaml b/config/rbac/kconfigbinding_editor_role.yaml index d612847..22e7460 100644 --- a/config/rbac/kconfigbinding_editor_role.yaml +++ b/config/rbac/kconfigbinding_editor_role.yaml @@ -1,7 +1,10 @@ -# permissions to do edit kconfigbindings. +# permissions for end users to edit kconfigbindings. apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: kconfigbinding-editor-role rules: - apiGroups: @@ -22,5 +25,3 @@ rules: - kconfigbindings/status verbs: - get - - patch - - update diff --git a/config/rbac/kconfigbinding_viewer_role.yaml b/config/rbac/kconfigbinding_viewer_role.yaml index 6890aab..b05599e 100644 --- a/config/rbac/kconfigbinding_viewer_role.yaml +++ b/config/rbac/kconfigbinding_viewer_role.yaml @@ -1,7 +1,10 @@ -# permissions to do viewer kconfigbindings. +# permissions for end users to view kconfigbindings. apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: kconfigbinding-viewer-role rules: - apiGroups: diff --git a/config/rbac/kustomization.yaml b/config/rbac/kustomization.yaml index 4bf938b..0a8a63a 100644 --- a/config/rbac/kustomization.yaml +++ b/config/rbac/kustomization.yaml @@ -1,11 +1,29 @@ resources: +# All RBAC will be applied under this service account in +# the deployment namespace. You may comment out this resource +# if your manager will use a service account that exists at +# runtime. Be sure to update RoleBinding and ClusterRoleBinding +# subjects if changing service account names. +- service_account.yaml - role.yaml - role_binding.yaml - leader_election_role.yaml - leader_election_role_binding.yaml -# Comment the following 3 lines if you want to disable -# the auth proxy (https://github.com/brancz/kube-rbac-proxy) -# which protects your /metrics endpoint. -#- auth_proxy_service.yaml -#- auth_proxy_role.yaml -#- auth_proxy_role_binding.yaml +# The following RBAC configurations are used to protect +# the metrics endpoint with authn/authz. These configurations +# ensure that only authorized users and service accounts +# can access the metrics endpoint. Comment the following +# permissions if you want to disable this protection. +# More info: https://book.kubebuilder.io/reference/metrics.html +- metrics_auth_role.yaml +- metrics_auth_role_binding.yaml +- metrics_reader_role.yaml +# For each CRD, "Editor" and "Viewer" roles are scaffolded by +# default, aiding admins in cluster management. Those roles are +# not used by the Project itself. You can comment the following lines +# if you do not want those helpers be installed with your Project. +- kconfigbinding_editor_role.yaml +- kconfigbinding_viewer_role.yaml +- kconfig_editor_role.yaml +- kconfig_viewer_role.yaml + diff --git a/config/rbac/leader_election_role.yaml b/config/rbac/leader_election_role.yaml index eaa7915..0ef6298 100644 --- a/config/rbac/leader_election_role.yaml +++ b/config/rbac/leader_election_role.yaml @@ -2,6 +2,9 @@ apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: leader-election-role rules: - apiGroups: @@ -17,16 +20,21 @@ rules: - patch - delete - apiGroups: - - "" + - coordination.k8s.io resources: - - configmaps/status + - leases verbs: - get + - list + - watch + - create - update - patch + - delete - apiGroups: - "" resources: - events verbs: - create + - patch diff --git a/config/rbac/leader_election_role_binding.yaml b/config/rbac/leader_election_role_binding.yaml index eed1690..8543106 100644 --- a/config/rbac/leader_election_role_binding.yaml +++ b/config/rbac/leader_election_role_binding.yaml @@ -1,6 +1,9 @@ apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: leader-election-rolebinding roleRef: apiGroup: rbac.authorization.k8s.io @@ -8,5 +11,5 @@ roleRef: name: leader-election-role subjects: - kind: ServiceAccount - name: default + name: controller-manager namespace: system diff --git a/config/rbac/auth_proxy_role.yaml b/config/rbac/metrics_auth_role.yaml similarity index 50% rename from config/rbac/auth_proxy_role.yaml rename to config/rbac/metrics_auth_role.yaml index 618f5e4..32d2e4e 100644 --- a/config/rbac/auth_proxy_role.yaml +++ b/config/rbac/metrics_auth_role.yaml @@ -1,13 +1,17 @@ apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: - name: proxy-role + name: metrics-auth-role rules: -- apiGroups: ["authentication.k8s.io"] +- apiGroups: + - authentication.k8s.io resources: - tokenreviews - verbs: ["create"] -- apiGroups: ["authorization.k8s.io"] + verbs: + - create +- apiGroups: + - authorization.k8s.io resources: - subjectaccessreviews - verbs: ["create"] + verbs: + - create diff --git a/config/rbac/auth_proxy_role_binding.yaml b/config/rbac/metrics_auth_role_binding.yaml similarity index 69% rename from config/rbac/auth_proxy_role_binding.yaml rename to config/rbac/metrics_auth_role_binding.yaml index 48ed1e4..e775d67 100644 --- a/config/rbac/auth_proxy_role_binding.yaml +++ b/config/rbac/metrics_auth_role_binding.yaml @@ -1,12 +1,12 @@ apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: - name: proxy-rolebinding + name: metrics-auth-rolebinding roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole - name: proxy-role + name: metrics-auth-role subjects: - kind: ServiceAccount - name: default + name: controller-manager namespace: system diff --git a/config/rbac/metrics_reader_role.yaml b/config/rbac/metrics_reader_role.yaml new file mode 100644 index 0000000..51a75db --- /dev/null +++ b/config/rbac/metrics_reader_role.yaml @@ -0,0 +1,9 @@ +apiVersion: rbac.authorization.k8s.io/v1 +kind: ClusterRole +metadata: + name: metrics-reader +rules: +- nonResourceURLs: + - "/metrics" + verbs: + - get diff --git a/config/rbac/role.yaml b/config/rbac/role.yaml index 83096a4..1560241 100644 --- a/config/rbac/role.yaml +++ b/config/rbac/role.yaml @@ -1,24 +1,9 @@ - --- apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: - creationTimestamp: null name: manager-role rules: -- apiGroups: - - "" - resources: - - configmaps - - secrets - verbs: - - create - - delete - - get - - list - - patch - - update - - watch - apiGroups: - apps resources: @@ -34,6 +19,7 @@ rules: - kconfigcontroller.atteg.com resources: - kconfigbindings + - kconfigs verbs: - create - delete @@ -45,26 +31,14 @@ rules: - apiGroups: - kconfigcontroller.atteg.com resources: - - kconfigbindings/status + - kconfigbindings/finalizers + - kconfigs/finalizers verbs: - - get - - patch - update - apiGroups: - kconfigcontroller.atteg.com resources: - - kconfigs - verbs: - - create - - delete - - get - - list - - patch - - update - - watch -- apiGroups: - - kconfigcontroller.atteg.com - resources: + - kconfigbindings/status - kconfigs/status verbs: - get diff --git a/config/rbac/role_binding.yaml b/config/rbac/role_binding.yaml index 8f26587..e44c69e 100644 --- a/config/rbac/role_binding.yaml +++ b/config/rbac/role_binding.yaml @@ -1,6 +1,9 @@ apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: manager-rolebinding roleRef: apiGroup: rbac.authorization.k8s.io @@ -8,5 +11,5 @@ roleRef: name: manager-role subjects: - kind: ServiceAccount - name: default + name: controller-manager namespace: system diff --git a/config/rbac/service_account.yaml b/config/rbac/service_account.yaml new file mode 100644 index 0000000..56e741e --- /dev/null +++ b/config/rbac/service_account.yaml @@ -0,0 +1,8 @@ +apiVersion: v1 +kind: ServiceAccount +metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize + name: controller-manager + namespace: system diff --git a/config/samples/kconfigcontroller_v1beta1_kconfig.yaml b/config/samples/kconfigcontroller_v1beta1_kconfig.yaml index 7cf3b19..6fc902a 100644 --- a/config/samples/kconfigcontroller_v1beta1_kconfig.yaml +++ b/config/samples/kconfigcontroller_v1beta1_kconfig.yaml @@ -1,7 +1,9 @@ apiVersion: kconfigcontroller.atteg.com/v1beta1 kind: Kconfig metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: kconfig-sample spec: - # Add fields here - foo: bar + # TODO(user): Add fields here diff --git a/config/samples/kconfigcontroller_v1beta1_kconfigbinding.yaml b/config/samples/kconfigcontroller_v1beta1_kconfigbinding.yaml index fbd9073..68825dd 100644 --- a/config/samples/kconfigcontroller_v1beta1_kconfigbinding.yaml +++ b/config/samples/kconfigcontroller_v1beta1_kconfigbinding.yaml @@ -1,7 +1,9 @@ apiVersion: kconfigcontroller.atteg.com/v1beta1 kind: KconfigBinding metadata: + labels: + app.kubernetes.io/name: kconfig-controller + app.kubernetes.io/managed-by: kustomize name: kconfigbinding-sample spec: - # Add fields here - foo: bar + # TODO(user): Add fields here diff --git a/config/samples/kustomization.yaml b/config/samples/kustomization.yaml new file mode 100644 index 0000000..5c14275 --- /dev/null +++ b/config/samples/kustomization.yaml @@ -0,0 +1,5 @@ +## Append samples of your project ## +resources: +- kconfigcontroller_v1beta1_kconfig.yaml +- kconfigcontroller_v1beta1_kconfigbinding.yaml +# +kubebuilder:scaffold:manifestskustomizesamples diff --git a/config/webhook/kustomization.yaml b/config/webhook/kustomization.yaml deleted file mode 100644 index 9cf2613..0000000 --- a/config/webhook/kustomization.yaml +++ /dev/null @@ -1,6 +0,0 @@ -resources: -- manifests.yaml -- service.yaml - -configurations: -- kustomizeconfig.yaml diff --git a/config/webhook/kustomizeconfig.yaml b/config/webhook/kustomizeconfig.yaml deleted file mode 100644 index 66781c6..0000000 --- a/config/webhook/kustomizeconfig.yaml +++ /dev/null @@ -1,18 +0,0 @@ -# the following config is for teaching kustomize where to look at when substituting vars. -# It requires kustomize v2.1.0 or newer to work properly. -nameReference: -- kind: Service - version: v1 - fieldSpecs: - - kind: MutatingWebhookConfiguration - group: admissionregistration.k8s.io - path: webhooks/clientConfig/service/name - -namespace: -- kind: MutatingWebhookConfiguration - group: admissionregistration.k8s.io - path: webhooks/clientConfig/service/namespace - create: true - -varReference: -- path: metadata/annotations diff --git a/config/webhook/manifests.yaml b/config/webhook/manifests.yaml index 4361a74..9105b06 100644 --- a/config/webhook/manifests.yaml +++ b/config/webhook/manifests.yaml @@ -1,13 +1,12 @@ - --- -apiVersion: admissionregistration.k8s.io/v1beta1 +apiVersion: admissionregistration.k8s.io/v1 kind: MutatingWebhookConfiguration metadata: - creationTimestamp: null name: mutating-webhook-configuration webhooks: -- clientConfig: - caBundle: Cg== +- admissionReviewVersions: + - v1 + clientConfig: service: name: webhook-service namespace: system @@ -23,3 +22,4 @@ webhooks: - CREATE resources: - pods + sideEffects: None diff --git a/config/webhook/service.yaml b/config/webhook/service.yaml deleted file mode 100644 index 31e0f82..0000000 --- a/config/webhook/service.yaml +++ /dev/null @@ -1,12 +0,0 @@ - -apiVersion: v1 -kind: Service -metadata: - name: webhook-service - namespace: system -spec: - ports: - - port: 443 - targetPort: 9443 - selector: - control-plane: controller-manager diff --git a/go.mod b/go.mod index 69b122a..27e43e0 100644 --- a/go.mod +++ b/go.mod @@ -1,14 +1,98 @@ module github.com/att-cloudnative-labs/kconfig-controller -go 1.13 +go 1.22.0 require ( - github.com/go-logr/logr v0.1.0 - github.com/google/uuid v1.1.1 - github.com/onsi/ginkgo v1.8.0 - github.com/onsi/gomega v1.5.0 - k8s.io/api v0.0.0-20190918155943-95b840bb6a1f - k8s.io/apimachinery v0.0.0-20190913080033-27d36303b655 - k8s.io/client-go v0.0.0-20190918160344-1fbdaa4c8d90 - sigs.k8s.io/controller-runtime v0.4.0 + github.com/go-logr/logr v1.4.2 + github.com/google/uuid v1.6.0 + github.com/onsi/ginkgo/v2 v2.19.0 + github.com/onsi/gomega v1.33.1 + k8s.io/api v0.31.0 + k8s.io/apimachinery v0.31.0 + k8s.io/client-go v0.31.0 + sigs.k8s.io/controller-runtime v0.19.1 +) + +require ( + github.com/antlr4-go/antlr/v4 v4.13.0 // indirect + github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a // indirect + github.com/beorn7/perks v1.0.1 // indirect + github.com/blang/semver/v4 v4.0.0 // indirect + github.com/cenkalti/backoff/v4 v4.3.0 // indirect + github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/emicklei/go-restful/v3 v3.11.0 // indirect + github.com/evanphx/json-patch/v5 v5.9.0 // indirect + github.com/felixge/httpsnoop v1.0.4 // indirect + github.com/fsnotify/fsnotify v1.7.0 // indirect + github.com/fxamacker/cbor/v2 v2.7.0 // indirect + github.com/go-logr/stdr v1.2.2 // indirect + github.com/go-logr/zapr v1.3.0 // indirect + github.com/go-openapi/jsonpointer v0.19.6 // indirect + github.com/go-openapi/jsonreference v0.20.2 // indirect + github.com/go-openapi/swag v0.22.4 // indirect + github.com/go-task/slim-sprig/v3 v3.0.0 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect + github.com/golang/protobuf v1.5.4 // indirect + github.com/google/cel-go v0.20.1 // indirect + github.com/google/gnostic-models v0.6.8 // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/google/gofuzz v1.2.0 // indirect + github.com/google/pprof v0.0.0-20240525223248-4bfdf5a9a2af // indirect + github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0 // indirect + github.com/imdario/mergo v0.3.6 // indirect + github.com/inconshreveable/mousetrap v1.1.0 // indirect + github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mailru/easyjson v0.7.7 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/pkg/errors v0.9.1 // indirect + github.com/prometheus/client_golang v1.19.1 // indirect + github.com/prometheus/client_model v0.6.1 // indirect + github.com/prometheus/common v0.55.0 // indirect + github.com/prometheus/procfs v0.15.1 // indirect + github.com/spf13/cobra v1.8.1 // indirect + github.com/spf13/pflag v1.0.5 // indirect + github.com/stoewer/go-strcase v1.2.0 // indirect + github.com/x448/float16 v0.8.4 // indirect + go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.53.0 // indirect + go.opentelemetry.io/otel v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.28.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.27.0 // indirect + go.opentelemetry.io/otel/metric v1.28.0 // indirect + go.opentelemetry.io/otel/sdk v1.28.0 // indirect + go.opentelemetry.io/otel/trace v1.28.0 // indirect + go.opentelemetry.io/proto/otlp v1.3.1 // indirect + go.uber.org/multierr v1.11.0 // indirect + go.uber.org/zap v1.26.0 // indirect + golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc // indirect + golang.org/x/net v0.26.0 // indirect + golang.org/x/oauth2 v0.21.0 // indirect + golang.org/x/sync v0.7.0 // indirect + golang.org/x/sys v0.21.0 // indirect + golang.org/x/term v0.21.0 // indirect + golang.org/x/text v0.16.0 // indirect + golang.org/x/time v0.3.0 // indirect + golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d // indirect + gomodules.xyz/jsonpatch/v2 v2.4.0 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20240528184218-531527333157 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20240701130421-f6361c86f094 // indirect + google.golang.org/grpc v1.65.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect + gopkg.in/inf.v0 v0.9.1 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + k8s.io/apiextensions-apiserver v0.31.0 // indirect + k8s.io/apiserver v0.31.0 // indirect + k8s.io/component-base v0.31.0 // indirect + k8s.io/klog/v2 v2.130.1 // indirect + k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect + k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect + sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.30.3 // indirect + sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect + sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect + sigs.k8s.io/yaml v1.4.0 // indirect ) diff --git a/go.sum b/go.sum index 9e3159d..0958667 100644 --- a/go.sum +++ b/go.sum @@ -1,381 +1,251 @@ -cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= -cloud.google.com/go v0.38.0 h1:ROfEUZz+Gh5pa62DJWXSaonyu3StP6EA6lPEXPI6mCo= -cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= -github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8= -github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI= -github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0= -github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA= -github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0= -github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0= -github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc= -github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk= -github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= -github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo= -github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ= -github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0= -github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE= -github.com/armon/consul-api v0.0.0-20180202201655-eb2c6b5be1b6/go.mod h1:grANhF5doyWs3UAsr3K4I6qtAmlQcZDesFNEHPZAzj8= -github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY= +github.com/antlr4-go/antlr/v4 v4.13.0 h1:lxCg3LAv+EUK6t1i0y1V6/SLeUi0eKEKdhQAlS8TVTI= +github.com/antlr4-go/antlr/v4 v4.13.0/go.mod h1:pfChB/xh/Unjila75QW7+VU4TSnWnnk9UTnmpPaOR2g= +github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA= github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod 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h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0= +sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4= +sigs.k8s.io/structured-merge-diff/v4 v4.4.1/go.mod h1:N8hJocpFajUSSeSJ9bOZ77VzejKZaXsTtZo4/u7Io08= +sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E= +sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= diff --git a/hack/boilerplate.go.txt b/hack/boilerplate.go.txt index b92001f..221dcbe 100644 --- a/hack/boilerplate.go.txt +++ b/hack/boilerplate.go.txt @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. diff --git a/controllers/const.go b/internal/controller/const.go similarity index 96% rename from controllers/const.go rename to internal/controller/const.go index 0593af5..7687383 100644 --- a/controllers/const.go +++ b/internal/controller/const.go @@ -1,4 +1,4 @@ -package controllers +package controller const ( WarningEventType = "Warning" diff --git a/controllers/kconfig_controller.go b/internal/controller/kconfig_controller.go similarity index 92% rename from controllers/kconfig_controller.go rename to internal/controller/kconfig_controller.go index 56ce664..304506a 100644 --- a/controllers/kconfig_controller.go +++ b/internal/controller/kconfig_controller.go @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -13,7 +14,7 @@ See the License for the specific language governing permissions and limitations under the License. */ -package controllers +package controller import ( "context" @@ -29,6 +30,7 @@ import ( ctrl "sigs.k8s.io/controller-runtime" "sigs.k8s.io/controller-runtime/pkg/client" "strings" + "time" kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" ) @@ -45,10 +47,18 @@ type KconfigReconciler struct { // +kubebuilder:rbac:groups=kconfigcontroller.atteg.com,resources=kconfigs,verbs=get;list;watch;create;update;patch;delete // +kubebuilder:rbac:groups=kconfigcontroller.atteg.com,resources=kconfigs/status,verbs=get;update;patch -// +kubebuilder:rbac:groups="",resources=configmaps;secrets,verbs=get;list;watch;create;update;patch;delete - -func (r *KconfigReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) { - ctx := context.Background() +// +kubebuilder:rbac:groups=kconfigcontroller.atteg.com,resources=kconfigs/finalizers,verbs=update + +// Reconcile is part of the main kubernetes reconciliation loop which aims to +// move the current state of the cluster closer to the desired state. +// TODO(user): Modify the Reconcile function to compare the state specified by +// the Kconfig object against the actual cluster state, and then +// perform operations to make the cluster state reflect the state specified by +// the user. +// +// For more details, check Reconcile and its Result here: +// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.19.1/pkg/reconcile +func (r *KconfigReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { _ = r.Log.WithValues("kconfig", req.NamespacedName) var kc kconfigcontrollerv1beta1.Kconfig @@ -60,9 +70,11 @@ func (r *KconfigReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) { return ctrl.Result{}, r.processKconfig(ctx, &kc) } +// SetupWithManager sets up the controller with the Manager. func (r *KconfigReconciler) SetupWithManager(mgr ctrl.Manager) error { return ctrl.NewControllerManagedBy(mgr). For(&kconfigcontrollerv1beta1.Kconfig{}). + Named("kconfig"). Complete(r) } @@ -79,7 +91,6 @@ func (r *KconfigReconciler) processKconfig(ctx context.Context, kc *kconfigcontr envVars := make([]v1.EnvVar, 0) cmActions := make([]ExternalAction, 0) secActions := make([]ExternalAction, 0) - envConfigs := kc.Spec.EnvConfigs for _, ec := range envConfigs { switch strings.ToLower(ec.Type) { @@ -178,7 +189,8 @@ func (r *KconfigReconciler) processSecretEnvConfig(kc *kconfigcontrollerv1beta1. envVar := v1.EnvVar{} if ec.Value != nil { refName := fmt.Sprintf("%s%s", r.SecretPrefix, kc.Name) - refKey := uuid.New().String() + timestamp := time.Now().Format("20060102") + refKey := fmt.Sprintf("%s_%s", ec.Key, timestamp) secretKeyRef := &v1.SecretKeySelector{ LocalObjectReference: v1.LocalObjectReference{ Name: refName, diff --git a/internal/controller/kconfig_controller_test.go b/internal/controller/kconfig_controller_test.go new file mode 100644 index 0000000..f276877 --- /dev/null +++ b/internal/controller/kconfig_controller_test.go @@ -0,0 +1,84 @@ +/* +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package controller + +import ( + "context" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + "k8s.io/apimachinery/pkg/api/errors" + "k8s.io/apimachinery/pkg/types" + "sigs.k8s.io/controller-runtime/pkg/reconcile" + + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + + kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" +) + +var _ = Describe("Kconfig Controller", func() { + Context("When reconciling a resource", func() { + const resourceName = "test-resource" + + ctx := context.Background() + + typeNamespacedName := types.NamespacedName{ + Name: resourceName, + Namespace: "default", // TODO(user):Modify as needed + } + kconfig := &kconfigcontrollerv1beta1.Kconfig{} + + BeforeEach(func() { + By("creating the custom resource for the Kind Kconfig") + err := k8sClient.Get(ctx, typeNamespacedName, kconfig) + if err != nil && errors.IsNotFound(err) { + resource := &kconfigcontrollerv1beta1.Kconfig{ + ObjectMeta: metav1.ObjectMeta{ + Name: resourceName, + Namespace: "default", + }, + // TODO(user): Specify other spec details if needed. + } + Expect(k8sClient.Create(ctx, resource)).To(Succeed()) + } + }) + + AfterEach(func() { + // TODO(user): Cleanup logic after each test, like removing the resource instance. + resource := &kconfigcontrollerv1beta1.Kconfig{} + err := k8sClient.Get(ctx, typeNamespacedName, resource) + Expect(err).NotTo(HaveOccurred()) + + By("Cleanup the specific resource instance Kconfig") + Expect(k8sClient.Delete(ctx, resource)).To(Succeed()) + }) + It("should successfully reconcile the resource", func() { + By("Reconciling the created resource") + controllerReconciler := &KconfigReconciler{ + Client: k8sClient, + Scheme: k8sClient.Scheme(), + } + + _, err := controllerReconciler.Reconcile(ctx, reconcile.Request{ + NamespacedName: typeNamespacedName, + }) + Expect(err).NotTo(HaveOccurred()) + // TODO(user): Add more specific assertions depending on your controller's reconciliation logic. + // Example: If you expect a certain status condition after reconciliation, verify it here. + }) + }) +}) diff --git a/controllers/kconfigbinding_controller.go b/internal/controller/kconfigbinding_controller.go similarity index 86% rename from controllers/kconfigbinding_controller.go rename to internal/controller/kconfigbinding_controller.go index b3f44d6..443c2f3 100644 --- a/controllers/kconfigbinding_controller.go +++ b/internal/controller/kconfigbinding_controller.go @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -13,17 +14,17 @@ See the License for the specific language governing permissions and limitations under the License. */ -package controllers +package controller import ( "context" "fmt" + "github.com/go-logr/logr" v1 "k8s.io/api/apps/v1" v12 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/labels" "strconv" - "github.com/go-logr/logr" "k8s.io/apimachinery/pkg/runtime" ctrl "sigs.k8s.io/controller-runtime" "sigs.k8s.io/controller-runtime/pkg/client" @@ -40,10 +41,19 @@ type KconfigBindingReconciler struct { // +kubebuilder:rbac:groups=kconfigcontroller.atteg.com,resources=kconfigbindings,verbs=get;list;watch;create;update;patch;delete // +kubebuilder:rbac:groups=kconfigcontroller.atteg.com,resources=kconfigbindings/status,verbs=get;update;patch +// +kubebuilder:rbac:groups=kconfigcontroller.atteg.com,resources=kconfigbindings/finalizers,verbs=update // +kubebuilder:rbac:groups=apps,resources=deployments;statefulsets,verbs=get;list;watch;update;patch -func (r *KconfigBindingReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) { - ctx := context.Background() +// Reconcile is part of the main kubernetes reconciliation loop which aims to +// move the current state of the cluster closer to the desired state. +// TODO(user): Modify the Reconcile function to compare the state specified by +// the KconfigBinding object against the actual cluster state, and then +// perform operations to make the cluster state reflect the state specified by +// the user. +// +// For more details, check Reconcile and its Result here: +// - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.19.1/pkg/reconcile +func (r *KconfigBindingReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) { _ = r.Log.WithValues("kconfigbinding", req.NamespacedName) // your logic here @@ -72,9 +82,11 @@ func (r *KconfigBindingReconciler) Reconcile(req ctrl.Request) (ctrl.Result, err return ctrl.Result{}, nil } +// SetupWithManager sets up the controller with the Manager. func (r *KconfigBindingReconciler) SetupWithManager(mgr ctrl.Manager) error { return ctrl.NewControllerManagedBy(mgr). For(&kconfigcontrollerv1beta1.KconfigBinding{}). + Named("kconfigbinding"). Complete(r) } diff --git a/internal/controller/kconfigbinding_controller_test.go b/internal/controller/kconfigbinding_controller_test.go new file mode 100644 index 0000000..9d6bc92 --- /dev/null +++ b/internal/controller/kconfigbinding_controller_test.go @@ -0,0 +1,84 @@ +/* +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package controller + +import ( + "context" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + "k8s.io/apimachinery/pkg/api/errors" + "k8s.io/apimachinery/pkg/types" + "sigs.k8s.io/controller-runtime/pkg/reconcile" + + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + + kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" +) + +var _ = Describe("KconfigBinding Controller", func() { + Context("When reconciling a resource", func() { + const resourceName = "test-resource" + + ctx := context.Background() + + typeNamespacedName := types.NamespacedName{ + Name: resourceName, + Namespace: "default", // TODO(user):Modify as needed + } + kconfigbinding := &kconfigcontrollerv1beta1.KconfigBinding{} + + BeforeEach(func() { + By("creating the custom resource for the Kind KconfigBinding") + err := k8sClient.Get(ctx, typeNamespacedName, kconfigbinding) + if err != nil && errors.IsNotFound(err) { + resource := &kconfigcontrollerv1beta1.KconfigBinding{ + ObjectMeta: metav1.ObjectMeta{ + Name: resourceName, + Namespace: "default", + }, + // TODO(user): Specify other spec details if needed. + } + Expect(k8sClient.Create(ctx, resource)).To(Succeed()) + } + }) + + AfterEach(func() { + // TODO(user): Cleanup logic after each test, like removing the resource instance. + resource := &kconfigcontrollerv1beta1.KconfigBinding{} + err := k8sClient.Get(ctx, typeNamespacedName, resource) + Expect(err).NotTo(HaveOccurred()) + + By("Cleanup the specific resource instance KconfigBinding") + Expect(k8sClient.Delete(ctx, resource)).To(Succeed()) + }) + It("should successfully reconcile the resource", func() { + By("Reconciling the created resource") + controllerReconciler := &KconfigBindingReconciler{ + Client: k8sClient, + Scheme: k8sClient.Scheme(), + } + + _, err := controllerReconciler.Reconcile(ctx, reconcile.Request{ + NamespacedName: typeNamespacedName, + }) + Expect(err).NotTo(HaveOccurred()) + // TODO(user): Add more specific assertions depending on your controller's reconciliation logic. + // Example: If you expect a certain status condition after reconciliation, verify it here. + }) + }) +}) diff --git a/controllers/suite_test.go b/internal/controller/suite_test.go similarity index 57% rename from controllers/suite_test.go rename to internal/controller/suite_test.go index fb0affa..84cabec 100644 --- a/controllers/suite_test.go +++ b/internal/controller/suite_test.go @@ -1,4 +1,5 @@ /* +Copyright 2025. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. @@ -13,84 +14,68 @@ See the License for the specific language governing permissions and limitations under the License. */ -package controllers +package controller import ( + "context" "fmt" - v1 "k8s.io/apimachinery/pkg/apis/meta/v1" - "k8s.io/apimachinery/pkg/labels" "path/filepath" + "runtime" "testing" - . "github.com/onsi/ginkgo" + . "github.com/onsi/ginkgo/v2" . "github.com/onsi/gomega" - kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" "k8s.io/client-go/kubernetes/scheme" "k8s.io/client-go/rest" "sigs.k8s.io/controller-runtime/pkg/client" "sigs.k8s.io/controller-runtime/pkg/envtest" logf "sigs.k8s.io/controller-runtime/pkg/log" "sigs.k8s.io/controller-runtime/pkg/log/zap" + + kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" // +kubebuilder:scaffold:imports ) -func TestContainerSelector(t *testing.T) { - containerName := "mycontainer" - myset := labels.Set{} - myset["name"] = containerName - - selector := v1.LabelSelector{ - MatchExpressions: []v1.LabelSelectorRequirement{ - { - Operator: v1.LabelSelectorOpNotIn, - Key: "name", - Values: []string{ - "mycontainer", - }, - }, - }, - } - sel, err := v1.LabelSelectorAsSelector(&selector) - if err != nil { - t.Errorf(fmt.Sprintf("error converting labelselector to selector: %s", err.Error())) - t.Fail() - } - fmt.Printf("match result: %+v", sel.Matches(myset)) - //selector.MatchExpressions[0] - -} - // These tests use Ginkgo (BDD-style Go testing framework). Refer to // http://onsi.github.io/ginkgo/ to learn more about Ginkgo. var cfg *rest.Config var k8sClient client.Client var testEnv *envtest.Environment +var ctx context.Context +var cancel context.CancelFunc -func TestAPIs(t *testing.T) { +func TestControllers(t *testing.T) { RegisterFailHandler(Fail) - RunSpecsWithDefaultAndCustomReporters(t, - "Controller Suite", - []Reporter{envtest.NewlineReporter{}}) + RunSpecs(t, "Controller Suite") } -var _ = BeforeSuite(func(done Done) { - logf.SetLogger(zap.LoggerTo(GinkgoWriter, true)) +var _ = BeforeSuite(func() { + logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true))) + + ctx, cancel = context.WithCancel(context.TODO()) By("bootstrapping test environment") testEnv = &envtest.Environment{ - CRDDirectoryPaths: []string{filepath.Join("..", "config", "crd", "bases")}, + CRDDirectoryPaths: []string{filepath.Join("..", "..", "config", "crd", "bases")}, + ErrorIfCRDPathMissing: true, + + // The BinaryAssetsDirectory is only required if you want to run the tests directly + // without call the makefile target test. If not informed it will look for the + // default path defined in controller-runtime which is /usr/local/kubebuilder/. + // Note that you must have the required binaries setup under the bin directory to perform + // the tests directly. When we run make test it will be setup and used automatically. + BinaryAssetsDirectory: filepath.Join("..", "..", "bin", "k8s", + fmt.Sprintf("1.31.0-%s-%s", runtime.GOOS, runtime.GOARCH)), } var err error + // cfg is defined in this file globally. cfg, err = testEnv.Start() - Expect(err).ToNot(HaveOccurred()) - Expect(cfg).ToNot(BeNil()) - - err = kconfigcontrollerv1beta1.AddToScheme(scheme.Scheme) Expect(err).NotTo(HaveOccurred()) + Expect(cfg).NotTo(BeNil()) err = kconfigcontrollerv1beta1.AddToScheme(scheme.Scheme) Expect(err).NotTo(HaveOccurred()) @@ -98,14 +83,14 @@ var _ = BeforeSuite(func(done Done) { // +kubebuilder:scaffold:scheme k8sClient, err = client.New(cfg, client.Options{Scheme: scheme.Scheme}) - Expect(err).ToNot(HaveOccurred()) - Expect(k8sClient).ToNot(BeNil()) + Expect(err).NotTo(HaveOccurred()) + Expect(k8sClient).NotTo(BeNil()) - close(done) -}, 60) +}) var _ = AfterSuite(func() { By("tearing down the test environment") + cancel() err := testEnv.Stop() - Expect(err).ToNot(HaveOccurred()) + Expect(err).NotTo(HaveOccurred()) }) diff --git a/webhooks/pod_injector_webhook.go b/internal/webhook/pod_injector_webhook.go similarity index 67% rename from webhooks/pod_injector_webhook.go rename to internal/webhook/pod_injector_webhook.go index c073e86..cbf7a38 100644 --- a/webhooks/pod_injector_webhook.go +++ b/internal/webhook/pod_injector_webhook.go @@ -13,60 +13,67 @@ See the License for the specific language governing permissions and limitations under the License. */ -package webhooks +package webhook import ( "context" - "encoding/json" "fmt" - "net/http" + "k8s.io/apimachinery/pkg/runtime" + ctrl "sigs.k8s.io/controller-runtime" + logf "sigs.k8s.io/controller-runtime/pkg/log" + "sigs.k8s.io/controller-runtime/pkg/webhook" "sort" "strings" "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" - "github.com/go-logr/logr" v1 "k8s.io/api/core/v1" v12 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/labels" "sigs.k8s.io/controller-runtime/pkg/client" - "sigs.k8s.io/controller-runtime/pkg/webhook/admission" ) -const ( - InjectConfigAnnotation = "kconfigcontroller.atteg.com/inject" - ExclusiveEnvConfigAnnotation = "kconfigcontroller.atteg.com/exclusive-env" -) +var podConfigInjectorLog = logf.Log.WithName("pod-config-injector") + +func SetupPodConfigInjectorWithManager(mgr ctrl.Manager, sel *v12.LabelSelector) error { + return ctrl.NewWebhookManagedBy(mgr).For(&v1.Pod{}). + WithDefaulter( + &PodConfigInjector{ + Client: mgr.GetClient(), + DefaultContainerSelector: sel, + }, + ). + Complete() +} -// +kubebuilder:webhook:path=/mutate-v1-pod,mutating=true,failurePolicy=ignore,groups="",resources=pods,verbs=create,versions=v1,name=config-injector.kconfigcontroller.aeg.cloud +// +kubebuilder:webhook:path=/mutate-v1-pod,mutating=true,failurePolicy=ignore,sideEffects=None,groups="",resources=pods,verbs=create,versions=v1,name=config-injector.kconfigcontroller.aeg.cloud,admissionReviewVersions=v1 type PodConfigInjector struct { Client client.Client - decoder *admission.Decoder - Log logr.Logger DefaultContainerSelector *v12.LabelSelector } -func (r *PodConfigInjector) InjectDecoder(d *admission.Decoder) error { - r.decoder = d - return nil -} +const ( + InjectConfigAnnotation = "kconfigcontroller.atteg.com/inject" + ExclusiveEnvConfigAnnotation = "kconfigcontroller.atteg.com/exclusive-env" +) -func (r *PodConfigInjector) Handle(ctx context.Context, req admission.Request) admission.Response { - pod := &v1.Pod{} +var _ webhook.CustomDefaulter = &PodConfigInjector{} - err := r.decoder.Decode(req, pod) - if err != nil { - return admission.Errored(http.StatusBadRequest, err) +func (r *PodConfigInjector) Default(ctx context.Context, obj runtime.Object) error { + pod, ok := obj.(*v1.Pod) + if !ok { + return fmt.Errorf("expected an Pod object but got %T", obj) } // only inject into pods with proper annotation if pod.Annotations == nil || strings.ToLower(pod.Annotations[InjectConfigAnnotation]) != "true" { - return admission.Allowed("kconfig inject not indicated") + podConfigInjectorLog.Info(fmt.Sprintf("skipping %s - not annotated", pod.Name)) + return nil } // get bindings that select this rs kcbs := v1beta1.KconfigBindingList{} - if err := r.Client.List(ctx, &kcbs, client.InNamespace(req.Namespace)); err != nil { - return admission.Errored(http.StatusInternalServerError, fmt.Errorf("could not get kconfigbininglist: %s", err.Error())) + if err := r.Client.List(ctx, &kcbs, client.InNamespace(pod.Namespace)); err != nil { + return fmt.Errorf("could not get kconfigbininglist: %s", err.Error()) } // cleanup old pod env configs @@ -78,7 +85,7 @@ func (r *PodConfigInjector) Handle(ctx context.Context, req admission.Request) a for _, kcb := range kcbs.Items { ls, err := v12.LabelSelectorAsSelector(&kcb.Spec.Selector) if err != nil { - r.Log.Error(err, fmt.Sprintf("couldn't get selector of kcb: %s", err.Error())) + podConfigInjectorLog.Error(err, fmt.Sprintf("couldn't get selector of kcb: %s", err.Error())) continue } @@ -98,7 +105,7 @@ func (r *PodConfigInjector) Handle(ctx context.Context, req admission.Request) a } selector, err := v12.LabelSelectorAsSelector(labelSelector) if err != nil { - r.Log.Error(err, fmt.Sprintf("error reading kcb containerSelector: %s", err.Error())) + podConfigInjectorLog.Error(err, fmt.Sprintf("error reading kcb containerSelector: %s", err.Error())) continue } if selector.Matches(labelsForContainer) { @@ -109,11 +116,7 @@ func (r *PodConfigInjector) Handle(ctx context.Context, req admission.Request) a } } } - marshaledPod, err := json.Marshal(pod) - if err != nil { - return admission.Errored(http.StatusInternalServerError, fmt.Errorf("could not marshal pod json: %s", err.Error())) - } - return admission.PatchResponseFromRaw(req.Object.Raw, marshaledPod) + return nil } // ByLevel sort function for sorting array of KconfigBindingSpecs by their level diff --git a/main.go b/main.go deleted file mode 100644 index 4a5275c..0000000 --- a/main.go +++ /dev/null @@ -1,120 +0,0 @@ -/* - -Licensed under the Apache License, Version 2.0 (the "License"); -you may not use this file except in compliance with the License. -You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - -Unless required by applicable law or agreed to in writing, software -distributed under the License is distributed on an "AS IS" BASIS, -WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -See the License for the specific language governing permissions and -limitations under the License. -*/ - -package main - -import ( - "encoding/json" - "flag" - "fmt" - kconfigcontrollerv1beta1 "github.com/att-cloudnative-labs/kconfig-controller/api/v1beta1" - "github.com/att-cloudnative-labs/kconfig-controller/controllers" - "github.com/att-cloudnative-labs/kconfig-controller/webhooks" - v1 "k8s.io/apimachinery/pkg/apis/meta/v1" - "k8s.io/apimachinery/pkg/runtime" - clientgoscheme "k8s.io/client-go/kubernetes/scheme" - _ "k8s.io/client-go/plugin/pkg/client/auth/gcp" - "os" - ctrl "sigs.k8s.io/controller-runtime" - "sigs.k8s.io/controller-runtime/pkg/log/zap" - "sigs.k8s.io/controller-runtime/pkg/webhook" - // +kubebuilder:scaffold:imports -) - -var ( - scheme = runtime.NewScheme() - setupLog = ctrl.Log.WithName("setup") -) - -func init() { - _ = clientgoscheme.AddToScheme(scheme) - - _ = kconfigcontrollerv1beta1.AddToScheme(scheme) - // +kubebuilder:scaffold:scheme -} - -func main() { - var metricsAddr string - var enableLeaderElection bool - var configMapPrefix string - var secretPrefix string - var defaultContainerSelector string - flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.") - flag.BoolVar(&enableLeaderElection, "enable-leader-election", false, - "Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.") - flag.StringVar(&configMapPrefix, "configmap-prefix", "kc-", "prefix added to name of configmaps created from kconfigs") - flag.StringVar(&secretPrefix, "secret-prefix", "kc-", "prefix added to the name of secrets created from kconfigs") - flag.StringVar(&defaultContainerSelector, "default-container-selector", "{}", "default container selector if kconfig doesn't supply") - flag.Parse() - - ctrl.SetLogger(zap.New(func(o *zap.Options) { - o.Development = true - })) - - mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{ - Scheme: scheme, - MetricsBindAddress: metricsAddr, - LeaderElection: enableLeaderElection, - Port: 9443, - }) - if err != nil { - setupLog.Error(err, "unable to start manager") - os.Exit(1) - } - - if err = (&controllers.KconfigReconciler{ - Client: mgr.GetClient(), - Log: ctrl.Log.WithName("controllers").WithName("Kconfig"), - Scheme: mgr.GetScheme(), - Recorder: mgr.GetEventRecorderFor("Kconfig"), - ConfigMapPrefix: configMapPrefix, - SecretPrefix: secretPrefix, - }).SetupWithManager(mgr); err != nil { - setupLog.Error(err, "unable to create controller", "controller", "Kconfig") - os.Exit(1) - } - if err = (&controllers.KconfigBindingReconciler{ - Client: mgr.GetClient(), - Log: ctrl.Log.WithName("controllers").WithName("KconfigBinding"), - Scheme: mgr.GetScheme(), - }).SetupWithManager(mgr); err != nil { - setupLog.Error(err, "unable to create controller", "controller", "KconfigBinding") - os.Exit(1) - } - - var containerSelector v1.LabelSelector - err = json.Unmarshal([]byte(defaultContainerSelector), &containerSelector) - if err != nil { - setupLog.Error(err, fmt.Sprintf("error parsing default-container-selector: %s", err.Error())) - os.Exit(1) - } - setupLog.Info("setting up pod config injector webhook") - hookServer := mgr.GetWebhookServer() - hookServer.Register("/mutate-v1-pod", &webhook.Admission{ - Handler: &webhooks.PodConfigInjector{ - Client: mgr.GetClient(), - Log: ctrl.Log.WithName("webhooks").WithName("pod-config-injector"), - DefaultContainerSelector: &containerSelector, - }, - }) - - // +kubebuilder:scaffold:builder - - setupLog.Info("starting manager") - if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil { - setupLog.Error(err, "problem running manager") - os.Exit(1) - } -} diff --git a/test/admission-request/sample-admission-request1.json b/test/admission-request/sample-admission-request1.json new file mode 100644 index 0000000..28b5cb6 --- /dev/null +++ b/test/admission-request/sample-admission-request1.json @@ -0,0 +1,75 @@ +{ + "kind": "AdmissionReview", + "apiVersion": "admission.k8s.io/v1", + "request": { + "uid": "12345678-1234-1234-1234-1234567890ab", + "kind": { + "group": "", + "version": "v1", + "kind": "Pod" + }, + "resource": { + "group": "", + "version": "v1", + "resource": "pods" + }, + "subResource": "", + "requestKind": { + "group": "", + "version": "v1", + "kind": "Pod" + }, + "requestResource": { + "group": "", + "version": "v1", + "resource": "pods" + }, + "requestSubResource": "", + "name": "example-pod", + "namespace": "sandbox-george", + "operation": "CREATE", + "userInfo": { + "username": "system:serviceaccount:kube-system:default", + "uid": "abcd1234-5678-90ef-ghij-klmnopqrstuv", + "groups": [ + "system:serviceaccounts", + "system:serviceaccounts:kube-system", + "system:authenticated" + ] + }, + "object": { + "apiVersion": "v1", + "kind": "Pod", + "metadata": { + "name": "example-pod", + "namespace": "sandbox-george", + "labels": { + "app": "okpipeline" + }, + "annotations": { + "kconfigcontroller.atteg.com/inject": "true" + } + }, + "spec": { + "containers": [ + { + "name": "okpipeline", + "image": "nginx:1.19", + "ports": [ + { + "containerPort": 80 + } + ] + } + ] + } + }, + "oldObject": null, + "dryRun": false, + "options": { + "apiVersion": "meta.k8s.io/v1", + "kind": "CreateOptions" + } + } +} + diff --git a/test/e2e/e2e_suite_test.go b/test/e2e/e2e_suite_test.go new file mode 100644 index 0000000..f3217de --- /dev/null +++ b/test/e2e/e2e_suite_test.go @@ -0,0 +1,120 @@ +/* +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package e2e + +import ( + "fmt" + "os" + "os/exec" + "testing" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + + "github.com/att-cloudnative-labs/kconfig-controller/test/utils" +) + +var ( + // Optional Environment Variables: + // - PROMETHEUS_INSTALL_SKIP=true: Skips Prometheus Operator installation during test setup. + // - CERT_MANAGER_INSTALL_SKIP=true: Skips CertManager installation during test setup. + // These variables are useful if Prometheus or CertManager is already installed, avoiding + // re-installation and conflicts. + skipPrometheusInstall = os.Getenv("PROMETHEUS_INSTALL_SKIP") == "true" + skipCertManagerInstall = os.Getenv("CERT_MANAGER_INSTALL_SKIP") == "true" + // isPrometheusOperatorAlreadyInstalled will be set true when prometheus CRDs be found on the cluster + isPrometheusOperatorAlreadyInstalled = false + // isCertManagerAlreadyInstalled will be set true when CertManager CRDs be found on the cluster + isCertManagerAlreadyInstalled = false + + // projectImage is the name of the image which will be build and loaded + // with the code source changes to be tested. + projectImage = "example.com/kconfig-controller:v0.0.1" +) + +// TestE2E runs the end-to-end (e2e) test suite for the project. These tests execute in an isolated, +// temporary environment to validate project changes with the the purposed to be used in CI jobs. +// The default setup requires Kind, builds/loads the Manager Docker image locally, and installs +// CertManager and Prometheus. +func TestE2E(t *testing.T) { + RegisterFailHandler(Fail) + _, _ = fmt.Fprintf(GinkgoWriter, "Starting kconfig-controller integration test suite\n") + RunSpecs(t, "e2e suite") +} + +var _ = BeforeSuite(func() { + By("Ensure that Prometheus is enabled") + _ = utils.UncommentCode("config/default/kustomization.yaml", "#- ../prometheus", "#") + + By("generating files") + cmd := exec.Command("make", "generate") + _, err := utils.Run(cmd) + ExpectWithOffset(1, err).NotTo(HaveOccurred(), "Failed to run make generate") + + By("generating manifests") + cmd = exec.Command("make", "manifests") + _, err = utils.Run(cmd) + ExpectWithOffset(1, err).NotTo(HaveOccurred(), "Failed to run make manifests") + + By("building the manager(Operator) image") + cmd = exec.Command("make", "docker-build", fmt.Sprintf("IMG=%s", projectImage)) + _, err = utils.Run(cmd) + ExpectWithOffset(1, err).NotTo(HaveOccurred(), "Failed to build the manager(Operator) image") + + // TODO(user): If you want to change the e2e test vendor from Kind, ensure the image is + // built and available before running the tests. Also, remove the following block. + By("loading the manager(Operator) image on Kind") + err = utils.LoadImageToKindClusterWithName(projectImage) + ExpectWithOffset(1, err).NotTo(HaveOccurred(), "Failed to load the manager(Operator) image into Kind") + + // The tests-e2e are intended to run on a temporary cluster that is created and destroyed for testing. + // To prevent errors when tests run in environments with Prometheus or CertManager already installed, + // we check for their presence before execution. + // Setup Prometheus and CertManager before the suite if not skipped and if not already installed + if !skipPrometheusInstall { + By("checking if prometheus is installed already") + isPrometheusOperatorAlreadyInstalled = utils.IsPrometheusCRDsInstalled() + if !isPrometheusOperatorAlreadyInstalled { + _, _ = fmt.Fprintf(GinkgoWriter, "Installing Prometheus Operator...\n") + Expect(utils.InstallPrometheusOperator()).To(Succeed(), "Failed to install Prometheus Operator") + } else { + _, _ = fmt.Fprintf(GinkgoWriter, "WARNING: Prometheus Operator is already installed. Skipping installation...\n") + } + } + if !skipCertManagerInstall { + By("checking if cert manager is installed already") + isCertManagerAlreadyInstalled = utils.IsCertManagerCRDsInstalled() + if !isCertManagerAlreadyInstalled { + _, _ = fmt.Fprintf(GinkgoWriter, "Installing CertManager...\n") + Expect(utils.InstallCertManager()).To(Succeed(), "Failed to install CertManager") + } else { + _, _ = fmt.Fprintf(GinkgoWriter, "WARNING: CertManager is already installed. Skipping installation...\n") + } + } +}) + +var _ = AfterSuite(func() { + // Teardown Prometheus and CertManager after the suite if not skipped and if they were not already installed + if !skipPrometheusInstall && !isPrometheusOperatorAlreadyInstalled { + _, _ = fmt.Fprintf(GinkgoWriter, "Uninstalling Prometheus Operator...\n") + utils.UninstallPrometheusOperator() + } + if !skipCertManagerInstall && !isCertManagerAlreadyInstalled { + _, _ = fmt.Fprintf(GinkgoWriter, "Uninstalling CertManager...\n") + utils.UninstallCertManager() + } +}) diff --git a/test/e2e/e2e_test.go b/test/e2e/e2e_test.go new file mode 100644 index 0000000..867700a --- /dev/null +++ b/test/e2e/e2e_test.go @@ -0,0 +1,307 @@ +/* +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package e2e + +import ( + "encoding/json" + "fmt" + "os" + "os/exec" + "path/filepath" + "time" + + . "github.com/onsi/ginkgo/v2" + . "github.com/onsi/gomega" + + "github.com/att-cloudnative-labs/kconfig-controller/test/utils" +) + +// namespace where the project is deployed in +const namespace = "kconfig-controller-system" + +// serviceAccountName created for the project +const serviceAccountName = "kconfig-controller-controller-manager" + +// metricsServiceName is the name of the metrics service of the project +const metricsServiceName = "kconfig-controller-controller-manager-metrics-service" + +// metricsRoleBindingName is the name of the RBAC that will be created to allow get the metrics data +const metricsRoleBindingName = "kconfig-controller-metrics-binding" + +var _ = Describe("Manager", Ordered, func() { + var controllerPodName string + + // Before running the tests, set up the environment by creating the namespace, + // installing CRDs, and deploying the controller. + BeforeAll(func() { + By("creating manager namespace") + cmd := exec.Command("kubectl", "create", "ns", namespace) + _, err := utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Failed to create namespace") + + By("installing CRDs") + cmd = exec.Command("make", "install") + _, err = utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Failed to install CRDs") + + By("deploying the controller-manager") + cmd = exec.Command("make", "deploy", fmt.Sprintf("IMG=%s", projectImage)) + _, err = utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Failed to deploy the controller-manager") + }) + + // After all tests have been executed, clean up by undeploying the controller, uninstalling CRDs, + // and deleting the namespace. + AfterAll(func() { + By("cleaning up the curl pod for metrics") + cmd := exec.Command("kubectl", "delete", "pod", "curl-metrics", "-n", namespace) + _, _ = utils.Run(cmd) + + By("undeploying the controller-manager") + cmd = exec.Command("make", "undeploy") + _, _ = utils.Run(cmd) + + By("uninstalling CRDs") + cmd = exec.Command("make", "uninstall") + _, _ = utils.Run(cmd) + + By("removing manager namespace") + cmd = exec.Command("kubectl", "delete", "ns", namespace) + _, _ = utils.Run(cmd) + }) + + // After each test, check for failures and collect logs, events, + // and pod descriptions for debugging. + AfterEach(func() { + specReport := CurrentSpecReport() + if specReport.Failed() { + By("Fetching controller manager pod logs") + cmd := exec.Command("kubectl", "logs", controllerPodName, "-n", namespace) + controllerLogs, err := utils.Run(cmd) + if err == nil { + _, _ = fmt.Fprintf(GinkgoWriter, fmt.Sprintf("Controller logs:\n %s", controllerLogs)) + } else { + _, _ = fmt.Fprintf(GinkgoWriter, fmt.Sprintf("Failed to get Controller logs: %s", err)) + } + + By("Fetching Kubernetes events") + cmd = exec.Command("kubectl", "get", "events", "-n", namespace, "--sort-by=.lastTimestamp") + eventsOutput, err := utils.Run(cmd) + if err == nil { + _, _ = fmt.Fprintf(GinkgoWriter, fmt.Sprintf("Kubernetes events:\n%s", eventsOutput)) + } else { + _, _ = fmt.Fprintf(GinkgoWriter, fmt.Sprintf("Failed to get Kubernetes events: %s", err)) + } + + By("Fetching curl-metrics logs") + cmd = exec.Command("kubectl", "logs", "curl-metrics", "-n", namespace) + metricsOutput, err := utils.Run(cmd) + if err == nil { + _, _ = fmt.Fprintf(GinkgoWriter, fmt.Sprintf("Metrics logs:\n %s", metricsOutput)) + } else { + _, _ = fmt.Fprintf(GinkgoWriter, fmt.Sprintf("Failed to get curl-metrics logs: %s", err)) + } + + By("Fetching controller manager pod description") + cmd = exec.Command("kubectl", "describe", "pod", controllerPodName, "-n", namespace) + podDescription, err := utils.Run(cmd) + if err == nil { + fmt.Println("Pod description:\n", podDescription) + } else { + fmt.Println("Failed to describe controller pod") + } + } + }) + + SetDefaultEventuallyTimeout(2 * time.Minute) + SetDefaultEventuallyPollingInterval(time.Second) + + Context("Manager", func() { + It("should run successfully", func() { + By("validating that the controller-manager pod is running as expected") + verifyControllerUp := func(g Gomega) { + // Get the name of the controller-manager pod + cmd := exec.Command("kubectl", "get", + "pods", "-l", "control-plane=controller-manager", + "-o", "go-template={{ range .items }}"+ + "{{ if not .metadata.deletionTimestamp }}"+ + "{{ .metadata.name }}"+ + "{{ \"\\n\" }}{{ end }}{{ end }}", + "-n", namespace, + ) + + podOutput, err := utils.Run(cmd) + g.Expect(err).NotTo(HaveOccurred(), "Failed to retrieve controller-manager pod information") + podNames := utils.GetNonEmptyLines(podOutput) + g.Expect(podNames).To(HaveLen(1), "expected 1 controller pod running") + controllerPodName = podNames[0] + g.Expect(controllerPodName).To(ContainSubstring("controller-manager")) + + // Validate the pod's status + cmd = exec.Command("kubectl", "get", + "pods", controllerPodName, "-o", "jsonpath={.status.phase}", + "-n", namespace, + ) + output, err := utils.Run(cmd) + g.Expect(err).NotTo(HaveOccurred()) + g.Expect(output).To(Equal("Running"), "Incorrect controller-manager pod status") + } + Eventually(verifyControllerUp).Should(Succeed()) + }) + + It("should ensure the metrics endpoint is serving metrics", func() { + By("creating a ClusterRoleBinding for the service account to allow access to metrics") + cmd := exec.Command("kubectl", "create", "clusterrolebinding", metricsRoleBindingName, + "--clusterrole=kconfig-controller-metrics-reader", + fmt.Sprintf("--serviceaccount=%s:%s", namespace, serviceAccountName), + ) + _, err := utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Failed to create ClusterRoleBinding") + + By("validating that the metrics service is available") + cmd = exec.Command("kubectl", "get", "service", metricsServiceName, "-n", namespace) + _, err = utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Metrics service should exist") + + By("validating that the ServiceMonitor for Prometheus is applied in the namespace") + cmd = exec.Command("kubectl", "get", "ServiceMonitor", "-n", namespace) + _, err = utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "ServiceMonitor should exist") + + By("getting the service account token") + token, err := serviceAccountToken() + Expect(err).NotTo(HaveOccurred()) + Expect(token).NotTo(BeEmpty()) + + By("waiting for the metrics endpoint to be ready") + verifyMetricsEndpointReady := func(g Gomega) { + cmd := exec.Command("kubectl", "get", "endpoints", metricsServiceName, "-n", namespace) + output, err := utils.Run(cmd) + g.Expect(err).NotTo(HaveOccurred()) + g.Expect(output).To(ContainSubstring("8443"), "Metrics endpoint is not ready") + } + Eventually(verifyMetricsEndpointReady).Should(Succeed()) + + By("verifying that the controller manager is serving the metrics server") + verifyMetricsServerStarted := func(g Gomega) { + cmd := exec.Command("kubectl", "logs", controllerPodName, "-n", namespace) + output, err := utils.Run(cmd) + g.Expect(err).NotTo(HaveOccurred()) + g.Expect(output).To(ContainSubstring("controller-runtime.metrics\tServing metrics server"), + "Metrics server not yet started") + } + Eventually(verifyMetricsServerStarted).Should(Succeed()) + + By("creating the curl-metrics pod to access the metrics endpoint") + cmd = exec.Command("kubectl", "run", "curl-metrics", "--restart=Never", + "--namespace", namespace, + "--image=curlimages/curl:7.78.0", + "--", "/bin/sh", "-c", fmt.Sprintf( + "curl -v -k -H 'Authorization: Bearer %s' https://%s.%s.svc.cluster.local:8443/metrics", + token, metricsServiceName, namespace)) + _, err = utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Failed to create curl-metrics pod") + + By("waiting for the curl-metrics pod to complete.") + verifyCurlUp := func(g Gomega) { + cmd := exec.Command("kubectl", "get", "pods", "curl-metrics", + "-o", "jsonpath={.status.phase}", + "-n", namespace) + output, err := utils.Run(cmd) + g.Expect(err).NotTo(HaveOccurred()) + g.Expect(output).To(Equal("Succeeded"), "curl pod in wrong status") + } + Eventually(verifyCurlUp, 5*time.Minute).Should(Succeed()) + + By("getting the metrics by checking curl-metrics logs") + metricsOutput := getMetricsOutput() + Expect(metricsOutput).To(ContainSubstring( + "controller_runtime_reconcile_total", + )) + }) + + // +kubebuilder:scaffold:e2e-webhooks-checks + + // TODO: Customize the e2e test suite with scenarios specific to your project. + // Consider applying sample/CR(s) and check their status and/or verifying + // the reconciliation by using the metrics, i.e.: + // metricsOutput := getMetricsOutput() + // Expect(metricsOutput).To(ContainSubstring( + // fmt.Sprintf(`controller_runtime_reconcile_total{controller="%s",result="success"} 1`, + // strings.ToLower(), + // )) + }) +}) + +// serviceAccountToken returns a token for the specified service account in the given namespace. +// It uses the Kubernetes TokenRequest API to generate a token by directly sending a request +// and parsing the resulting token from the API response. +func serviceAccountToken() (string, error) { + const tokenRequestRawString = `{ + "apiVersion": "authentication.k8s.io/v1", + "kind": "TokenRequest" + }` + + // Temporary file to store the token request + secretName := fmt.Sprintf("%s-token-request", serviceAccountName) + tokenRequestFile := filepath.Join("/tmp", secretName) + err := os.WriteFile(tokenRequestFile, []byte(tokenRequestRawString), os.FileMode(0o644)) + if err != nil { + return "", err + } + + var out string + verifyTokenCreation := func(g Gomega) { + // Execute kubectl command to create the token + cmd := exec.Command("kubectl", "create", "--raw", fmt.Sprintf( + "/api/v1/namespaces/%s/serviceaccounts/%s/token", + namespace, + serviceAccountName, + ), "-f", tokenRequestFile) + + output, err := cmd.CombinedOutput() + g.Expect(err).NotTo(HaveOccurred()) + + // Parse the JSON output to extract the token + var token tokenRequest + err = json.Unmarshal([]byte(output), &token) + g.Expect(err).NotTo(HaveOccurred()) + + out = token.Status.Token + } + Eventually(verifyTokenCreation).Should(Succeed()) + + return out, err +} + +// getMetricsOutput retrieves and returns the logs from the curl pod used to access the metrics endpoint. +func getMetricsOutput() string { + By("getting the curl-metrics logs") + cmd := exec.Command("kubectl", "logs", "curl-metrics", "-n", namespace) + metricsOutput, err := utils.Run(cmd) + Expect(err).NotTo(HaveOccurred(), "Failed to retrieve logs from curl pod") + Expect(metricsOutput).To(ContainSubstring("< HTTP/1.1 200 OK")) + return metricsOutput +} + +// tokenRequest is a simplified representation of the Kubernetes TokenRequest API response, +// containing only the token field that we need to extract. +type tokenRequest struct { + Status struct { + Token string `json:"token"` + } `json:"status"` +} diff --git a/test/utils/utils.go b/test/utils/utils.go new file mode 100644 index 0000000..97a853b --- /dev/null +++ b/test/utils/utils.go @@ -0,0 +1,251 @@ +/* +Copyright 2025. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package utils + +import ( + "bufio" + "bytes" + "fmt" + "os" + "os/exec" + "strings" + + . "github.com/onsi/ginkgo/v2" //nolint:golint,revive +) + +const ( + prometheusOperatorVersion = "v0.77.1" + prometheusOperatorURL = "https://github.com/prometheus-operator/prometheus-operator/" + + "releases/download/%s/bundle.yaml" + + certmanagerVersion = "v1.16.0" + certmanagerURLTmpl = "https://github.com/jetstack/cert-manager/releases/download/%s/cert-manager.yaml" +) + +func warnError(err error) { + _, _ = fmt.Fprintf(GinkgoWriter, "warning: %v\n", err) +} + +// Run executes the provided command within this context +func Run(cmd *exec.Cmd) (string, error) { + dir, _ := GetProjectDir() + cmd.Dir = dir + + if err := os.Chdir(cmd.Dir); err != nil { + _, _ = fmt.Fprintf(GinkgoWriter, "chdir dir: %s\n", err) + } + + cmd.Env = append(os.Environ(), "GO111MODULE=on") + command := strings.Join(cmd.Args, " ") + _, _ = fmt.Fprintf(GinkgoWriter, "running: %s\n", command) + output, err := cmd.CombinedOutput() + if err != nil { + return string(output), fmt.Errorf("%s failed with error: (%v) %s", command, err, string(output)) + } + + return string(output), nil +} + +// InstallPrometheusOperator installs the prometheus Operator to be used to export the enabled metrics. +func InstallPrometheusOperator() error { + url := fmt.Sprintf(prometheusOperatorURL, prometheusOperatorVersion) + cmd := exec.Command("kubectl", "create", "-f", url) + _, err := Run(cmd) + return err +} + +// UninstallPrometheusOperator uninstalls the prometheus +func UninstallPrometheusOperator() { + url := fmt.Sprintf(prometheusOperatorURL, prometheusOperatorVersion) + cmd := exec.Command("kubectl", "delete", "-f", url) + if _, err := Run(cmd); err != nil { + warnError(err) + } +} + +// IsPrometheusCRDsInstalled checks if any Prometheus CRDs are installed +// by verifying the existence of key CRDs related to Prometheus. +func IsPrometheusCRDsInstalled() bool { + // List of common Prometheus CRDs + prometheusCRDs := []string{ + "prometheuses.monitoring.coreos.com", + "prometheusrules.monitoring.coreos.com", + "prometheusagents.monitoring.coreos.com", + } + + cmd := exec.Command("kubectl", "get", "crds", "-o", "custom-columns=NAME:.metadata.name") + output, err := Run(cmd) + if err != nil { + return false + } + crdList := GetNonEmptyLines(string(output)) + for _, crd := range prometheusCRDs { + for _, line := range crdList { + if strings.Contains(line, crd) { + return true + } + } + } + + return false +} + +// UninstallCertManager uninstalls the cert manager +func UninstallCertManager() { + url := fmt.Sprintf(certmanagerURLTmpl, certmanagerVersion) + cmd := exec.Command("kubectl", "delete", "-f", url) + if _, err := Run(cmd); err != nil { + warnError(err) + } +} + +// InstallCertManager installs the cert manager bundle. +func InstallCertManager() error { + url := fmt.Sprintf(certmanagerURLTmpl, certmanagerVersion) + cmd := exec.Command("kubectl", "apply", "-f", url) + if _, err := Run(cmd); err != nil { + return err + } + // Wait for cert-manager-webhook to be ready, which can take time if cert-manager + // was re-installed after uninstalling on a cluster. + cmd = exec.Command("kubectl", "wait", "deployment.apps/cert-manager-webhook", + "--for", "condition=Available", + "--namespace", "cert-manager", + "--timeout", "5m", + ) + + _, err := Run(cmd) + return err +} + +// IsCertManagerCRDsInstalled checks if any Cert Manager CRDs are installed +// by verifying the existence of key CRDs related to Cert Manager. +func IsCertManagerCRDsInstalled() bool { + // List of common Cert Manager CRDs + certManagerCRDs := []string{ + "certificates.cert-manager.io", + "issuers.cert-manager.io", + "clusterissuers.cert-manager.io", + "certificaterequests.cert-manager.io", + "orders.acme.cert-manager.io", + "challenges.acme.cert-manager.io", + } + + // Execute the kubectl command to get all CRDs + cmd := exec.Command("kubectl", "get", "crds") + output, err := Run(cmd) + if err != nil { + return false + } + + // Check if any of the Cert Manager CRDs are present + crdList := GetNonEmptyLines(string(output)) + for _, crd := range certManagerCRDs { + for _, line := range crdList { + if strings.Contains(line, crd) { + return true + } + } + } + + return false +} + +// LoadImageToKindClusterWithName loads a local docker image to the kind cluster +func LoadImageToKindClusterWithName(name string) error { + cluster := "kind" + if v, ok := os.LookupEnv("KIND_CLUSTER"); ok { + cluster = v + } + kindOptions := []string{"load", "docker-image", name, "--name", cluster} + cmd := exec.Command("kind", kindOptions...) + _, err := Run(cmd) + return err +} + +// GetNonEmptyLines converts given command output string into individual objects +// according to line breakers, and ignores the empty elements in it. +func GetNonEmptyLines(output string) []string { + var res []string + elements := strings.Split(output, "\n") + for _, element := range elements { + if element != "" { + res = append(res, element) + } + } + + return res +} + +// GetProjectDir will return the directory where the project is +func GetProjectDir() (string, error) { + wd, err := os.Getwd() + if err != nil { + return wd, err + } + wd = strings.Replace(wd, "/test/e2e", "", -1) + return wd, nil +} + +// UncommentCode searches for target in the file and remove the comment prefix +// of the target content. The target content may span multiple lines. +func UncommentCode(filename, target, prefix string) error { + // false positive + // nolint:gosec + content, err := os.ReadFile(filename) + if err != nil { + return err + } + strContent := string(content) + + idx := strings.Index(strContent, target) + if idx < 0 { + return fmt.Errorf("unable to find the code %s to be uncomment", target) + } + + out := new(bytes.Buffer) + _, err = out.Write(content[:idx]) + if err != nil { + return err + } + + scanner := bufio.NewScanner(bytes.NewBufferString(target)) + if !scanner.Scan() { + return nil + } + for { + _, err := out.WriteString(strings.TrimPrefix(scanner.Text(), prefix)) + if err != nil { + return err + } + // Avoid writing a newline in case the previous line was the last in target. + if !scanner.Scan() { + break + } + if _, err := out.WriteString("\n"); err != nil { + return err + } + } + + _, err = out.Write(content[idx+len(target):]) + if err != nil { + return err + } + // false positive + // nolint:gosec + return os.WriteFile(filename, out.Bytes(), 0644) +}