[FEAT] Add WarpStream Helm Chart - Cloud-Native Kafka Alternative Support zopdev [IEEE]

charts/warpstream/Chart.yaml

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+apiVersion: v2
+name: warpstream
+description: A Helm chart for WarpStream - a cloud-native, Kafka-compatible streaming platform
+type: application
+version: 0.0.1
+appVersion: "v694"
+home: https://www.warpstream.com/
+maintainers:
+  - name: zopdev
+    url: https://zop.dev
+  - name: warpstream
+    url: https://www.warpstream.com
+annotations:
+  # REQUIRED: zop.dev integration annotation
+  type: "application"

charts/warpstream/templates/NOTES.txt

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+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range $host := .Values.ingress.hosts }}
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
+  {{- end }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "warpstream.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo "Kafka endpoint: $NODE_IP:$NODE_PORT"
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "warpstream.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "warpstream.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo "Kafka endpoint: $SERVICE_IP:{{ .Values.service.port }}"
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "warpstream.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  echo "Visit http://127.0.0.1:9092 to use your WarpStream cluster"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 9092:$CONTAINER_PORT
+{{- end }}
+
+2. Connect your Kafka clients to:
+   Bootstrap servers: {{ include "warpstream.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local:{{ .Values.service.port }}
+
+3. Monitor your WarpStream cluster:
+   Metrics endpoint: {{ include "warpstream.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local:{{ .Values.service.metricsPort }}
+
+4. Schema Registry endpoint:
+   {{ include "warpstream.fullname" . }}.{{ .Release.Namespace }}.svc.cluster.local:{{ .Values.service.schemaRegistryPort }}
+

charts/warpstream/templates/_helper.tpl

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+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "warpstream.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+*/}}
+{{- define "warpstream.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "warpstream.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "warpstream.labels" -}}
+helm.sh/chart: {{ include "warpstream.chart" . }}
+{{ include "warpstream.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "warpstream.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "warpstream.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "warpstream.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "warpstream.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+WarpStream agent arguments
+*/}}
+{{- define "warpstream.args" -}}
+- "agent"
+{{- if .Values.warpstream.agent.virtualClusterId }}
+- "-defaultVirtualClusterID"
+- {{ .Values.warpstream.agent.virtualClusterId | quote }}
+{{- end }}
+- "-region"
+- {{ .Values.warpstream.agent.region | quote }}
+- "-roles"
+- {{ join "," .Values.warpstream.agent.roles | quote }}
+{{- if .Values.warpstream.agent.agentPoolId }}
+- "-agentPoolID"
+- {{ .Values.warpstream.agent.agentPoolId | quote }}
+{{- end }}
+{{- if .Values.warpstream.storage.bucketURL }}
+- "-bucketURL"
+- {{ .Values.warpstream.storage.bucketURL | quote }}
+{{- end }}
+{{- end }}

charts/warpstream/templates/alerts.yaml

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+{{- if .Values.monitoring.alerts.enabled }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "warpstream.fullname" . }}-alerts
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+    grafana_alert: "1"
+data:
+  warpstream-alerts.yaml: |
+    groups:
+    - name: warpstream
+      rules:
+      - alert: WarpStreamDown
+        expr: up{job="{{ include "warpstream.fullname" . }}"} == 0
+        for: 2m
+        labels:
+          severity: critical
+        annotations:
+          summary: "WarpStream agent is down"
+          description: "WarpStream agent {{ "{{ $labels.instance }}" }} has been down for more than 2 minutes."
+
+      - alert: WarpStreamHighMemoryUsage
+        expr: (container_memory_usage_bytes{pod=~"{{ include "warpstream.fullname" . }}.*"} / container_spec_memory_limit_bytes) > 0.85
+        for: 5m
+        labels:
+          severity: warning
+        annotations:
+          summary: "WarpStream agent high memory usage"
+          description: "WarpStream agent {{ "{{ $labels.pod }}" }} memory usage is above 85%."
+
+      - alert: WarpStreamHighCPUUsage
+        expr: (rate(container_cpu_usage_seconds_total{pod=~"{{ include "warpstream.fullname" . }}.*"}[5m]) / container_spec_cpu_quota * container_spec_cpu_period) > 0.85
+        for: 5m
+        labels:
+          severity: warning
+        annotations:
+          summary: "WarpStream agent high CPU usage"
+          description: "WarpStream agent {{ "{{ $labels.pod }}" }} CPU usage is above 85%."
+{{- end }}

charts/warpstream/templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "warpstream.fullname" . }}
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+spec:
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "warpstream.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "warpstream.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "warpstream.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      {{- with .Values.topologySpreadConstraints }}
+      topologySpreadConstraints:
+        {{- range . }}
+        - maxSkew: {{ .maxSkew }}
+          topologyKey: {{ .topologyKey }}
+          whenUnsatisfiable: {{ .whenUnsatisfiable }}
+          labelSelector:
+            matchLabels:
+              {{- include "warpstream.selectorLabels" $ | nindent 14 }}
+        {{- end }}
+      {{- end }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          args:
+            {{- include "warpstream.args" . | nindent 12 }}
+          ports:
+            - name: kafka
+              containerPort: 9092
+              protocol: TCP
+            - name: metrics
+              containerPort: 8080
+              protocol: TCP
+            - name: schema-registry
+              containerPort: 9094
+              protocol: TCP
+          env:
+            - name: WARPSTREAM_API_KEY
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "warpstream.fullname" . }}-secret
+                  key: api-key
+            - name: WARPSTREAM_LOG_LEVEL
+              value: {{ .Values.warpstream.agent.logLevel | quote }}
+            {{- if .Values.warpstream.agent.availabilityZone }}
+            - name: WARPSTREAM_AVAILABILITY_ZONE
+              value: {{ .Values.warpstream.agent.availabilityZone | quote }}
+            {{- end }}
+            {{- if .Values.warpstream.performance.gomaxprocs }}
+            - name: GOMAXPROCS
+              value: {{ .Values.warpstream.performance.gomaxprocs | quote }}
+            {{- end }}
+            {{- range .Values.warpstream.extraEnvVars }}
+            - name: {{ .name }}
+              value: {{ .value | quote }}
+            {{- end }}
+          livenessProbe:
+            httpGet:
+              path: /metrics
+              port: metrics
+            initialDelaySeconds: 30
+            periodSeconds: 30
+          readinessProbe:
+            httpGet:
+              path: /metrics
+              port: metrics
+            initialDelaySeconds: 5
+            periodSeconds: 10
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- if .Values.persistence.enabled }}
+          volumeMounts:
+            - name: data
+              mountPath: /tmp/warpstream
+          {{- end }}
+      {{- if .Values.persistence.enabled }}
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: {{ include "warpstream.fullname" . }}-pvc
+      {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+

charts/warpstream/templates/hpa.yaml

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+{{- if .Values.autoscaling.enabled }}
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ include "warpstream.fullname" . }}
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "warpstream.fullname" . }}
+  minReplicas: {{ .Values.autoscaling.minReplicas }}
+  maxReplicas: {{ .Values.autoscaling.maxReplicas }}
+  metrics:
+    {{- if .Values.autoscaling.targetCPUUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: cpu
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetCPUUtilizationPercentage }}
+    {{- end }}
+    {{- if .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    - type: Resource
+      resource:
+        name: memory
+        target:
+          type: Utilization
+          averageUtilization: {{ .Values.autoscaling.targetMemoryUtilizationPercentage }}
+    {{- end }}
+{{- end }}

charts/warpstream/templates/poddisruptionbudget.yaml

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+{{- if .Values.podDisruptionBudget.enabled }}
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ include "warpstream.fullname" . }}
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+spec:
+  {{- if .Values.podDisruptionBudget.minAvailable }}
+  minAvailable: {{ .Values.podDisruptionBudget.minAvailable }}
+  {{- end }}
+  {{- if .Values.podDisruptionBudget.maxUnavailable }}
+  maxUnavailable: {{ .Values.podDisruptionBudget.maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "warpstream.selectorLabels" . | nindent 6 }}
+{{- end }}

charts/warpstream/templates/pvc.yaml

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+{{- if .Values.persistence.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "warpstream.fullname" . }}-pvc
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+  {{- if .Values.persistence.storageClass }}
+  storageClassName: {{ .Values.persistence.storageClass }}
+  {{- end }}
+{{- end }}

charts/warpstream/templates/rbac.yaml

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+{{- if .Values.rbac.create -}}
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: {{ include "warpstream.fullname" . }}
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+rules:
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["get", "list"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: {{ include "warpstream.fullname" . }}
+  labels:
+    {{- include "warpstream.labels" . | nindent 4 }}
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: {{ include "warpstream.fullname" . }}
+subjects:
+- kind: ServiceAccount
+  name: {{ include "warpstream.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}
+{{- end }}