stable/grafana test (#12604)

Signed-off-by: Steven Chung <schung@mesosphere.io>

stable/grafana/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: grafana
-version: 3.0.1
+version: 3.1.0
 appVersion: 6.0.2
 kubeVersion: "^1.8.0-0"
 description: The leading tool for querying and visualizing time series and metrics.

stable/grafana/README.md

@@ -106,6 +106,9 @@ The command removes all the Kubernetes components associated with the chart and
 | `rbac.pspEnabled`                         | Create PodSecurityPolicy (with `rbac.create`, grant roles permissions as well) | `true` |
 | `rbac.pspUseAppArmor`                     | Enforce AppArmor in created PodSecurityPolicy (requires `rbac.pspEnabled`)  | `true` |
 | `command`                     | Define command to be executed by grafana container at startup  | `nil` |
+| `testFramework.image`                     | `test-framework` image repository.             | `dduportal/bats`                                       |
+| `testFramework.tag`                       | `test-framework` image tag.                    | `0.4.0`                                                |
+
 
 ### Example of extraVolumeMounts
 

stable/grafana/templates/tests/test-configmap.yaml

@@ -0,0 +1,17 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "grafana.fullname" . }}-test
+  labels:
+    app: {{ template "grafana.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    heritage: "{{ .Release.Service }}"
+    release: "{{ .Release.Name }}"
+data:
+  run.sh: |-
+    @test "Test Health" {
+      url="http://{{ template "grafana.fullname" . }}/api/health"
+
+      code=$(curl -s -o /dev/null -I -w "%{http_code}" $url)
+      [ "$code" == "200" ]
+    }

stable/grafana/templates/tests/test.yaml

@@ -0,0 +1,42 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: {{ template "grafana.fullname" . }}-test
+  labels:
+    app: {{ template "grafana.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    heritage: "{{ .Release.Service }}"
+    release: "{{ .Release.Name }}"
+  annotations:
+    "helm.sh/hook": test-success
+spec:
+  initContainers:
+    - name: test-framework
+      image: "{{ .Values.testFramework.image}}:{{ .Values.testFramework.tag }}"
+      command:
+      - "bash"
+      - "-c"
+      - |
+        set -ex
+        # copy bats to tools dir
+        cp -R /usr/local/libexec/ /tools/bats/
+      volumeMounts:
+      - mountPath: /tools
+        name: tools
+  containers:
+    - name: {{ .Release.Name }}-test
+      image: "{{ .Values.testFramework.image}}:{{ .Values.testFramework.tag }}"
+      command: ["/tools/bats/bats", "-t", "/tests/run.sh"]
+      volumeMounts:
+        - mountPath: /tests
+          name: tests
+          readOnly: true
+        - mountPath: /tools
+          name: tools
+  volumes:
+  - name: tests
+    configMap:
+      name: {{ template "grafana.fullname" . }}-test
+  - name: tools
+    emptyDir: {}
+  restartPolicy: Never

stable/grafana/values.yaml

@@ -29,6 +29,10 @@ image:
   tag: 6.0.2
   pullPolicy: IfNotPresent
 
+testFramework:
+  image: "dduportal/bats"
+  tag: "0.4.0"
+
   ## Optionally specify an array of imagePullSecrets.
   ## Secrets must be manually created in the namespace.
   ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/