feat(cf-common): add classic calculateRabbitMqUri helper (#3)

* feat(cf-common): add classic calculateRabbitMqUri helper

Author: mikhail-klimko

charts/cf-common-test/tests/deployment/classic_conn_uri_test.yaml

@@ -0,0 +1,48 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/quintush/helm-unittest/master/schema/helm-testsuite.json
+suite: classic connection Uri
+templates:
+  - templates/deployment.yaml
+tests:
+  - it: Test External RabbitMQ connection Uri
+    values:
+      - values.yaml
+    set:
+      global:
+        rabbitmqUsername: username
+        rabbitmqPassword: password
+        rabbitmqProtocol: amqps
+        rabbitmqHostname: hostname.domain:5671
+      rabbitmq:
+        enabled: false
+      container:
+        env:
+          RABBIT_URL: '{{ include "cf-common.classic.calculateRabbitMqUri" . }}'
+    asserts:
+      - contains:
+          path: spec.template.spec.containers[0].env
+          content:
+            name: RABBIT_URL
+            value: "amqps://username:password@hostname.domain:5671"
+
+  - it: Test Internal RabbitMQ connection Uri
+    release:
+      name: cf
+    values:
+      - values.yaml
+    set:
+      global:
+        rabbitmqService: rabbitmq
+      rabbitmq:
+        enabled: true
+        auth:
+          username: user
+          password: pass
+      container:
+        env:
+          RABBIT_URL: '{{ include "cf-common.classic.calculateRabbitMqUri" . }}'
+    asserts:
+      - contains:
+          path: spec.template.spec.containers[0].env
+          content:
+            name: RABBIT_URL
+            value: "amqp://user:pass@cf-rabbitmq"

charts/cf-common/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v0.0.0
 description: Codefresh library chart
 name: cf-common
-version: 0.0.2
+version: 0.0.3
 type: library
 keywords:
   - codefresh

charts/cf-common/README.md

@@ -2,7 +2,7 @@
 
 Codefresh library chart
 
-![Version: 0.0.2](https://img.shields.io/badge/Version-0.0.2-informational?style=flat-square) ![Type: library](https://img.shields.io/badge/Type-library-informational?style=flat-square) ![AppVersion: v0.0.0](https://img.shields.io/badge/AppVersion-v0.0.0-informational?style=flat-square)
+![Version: 0.0.3](https://img.shields.io/badge/Version-0.0.3-informational?style=flat-square) ![Type: library](https://img.shields.io/badge/Type-library-informational?style=flat-square) ![AppVersion: v0.0.0](https://img.shields.io/badge/AppVersion-v0.0.0-informational?style=flat-square)
 
 ## Installing the Chart
 
@@ -18,7 +18,7 @@ Include this chart as a dependency in your `Chart.yaml` e.g.
 # Chart.yaml
 dependencies:
 - name: cf-common
-  version: 0.0.2
+  version: 0.0.3
   repository: https://chartmuseum.codefresh.io/cf-common
 ```
 

charts/cf-common/templates/classic/_helpers.tpl

@@ -0,0 +1,30 @@
+{{/*
+Calculate RabbitMQ URI
+Usage
+{{ include "cf-common.classic.calculateRabbitMqUri" . }}
+*/}}
+
+{{- define "cf-common.classic.calculateRabbitMqUri" }}
+
+{{- $rabbitmqProtocol := $.Values.global.rabbitmqProtocol | default "amqp" -}}
+{{- $rabbitmqUsername := .Values.global.rabbitmqUsername -}}
+{{- $rabbitmqPassword := .Values.global.rabbitmqPassword -}}
+
+{{- /*
+If built-in bitnami/rabbitmq chart enabled get username/password there
+*/}}
+{{- if $.Values.rabbitmq }}
+  {{- if $.Values.rabbitmq.enabled }}
+    {{- $rabbitmqUsername = .Values.rabbitmq.auth.username -}}
+    {{- $rabbitmqPassword = .Values.rabbitmq.auth.password -}}
+  {{- end }}
+{{- end }}
+
+{{- /*
+coalesce here for backward compatibility
+*/}}
+{{- $rabbitmqHostname := .Values.global.rabbitmqHostname | default (printf "%s-%s" .Release.Name (coalesce .Values.global.rabbitService .Values.global.rabbitmqService ) ) -}}
+
+{{- printf "%s://%s:%s@%s" $rabbitmqProtocol $rabbitmqUsername $rabbitmqPassword $rabbitmqHostname -}}
+
+{{- end }}