[stable/kibana] add tests (#12595)

* test stable/kibana

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

* stable/kibana test revisions due to PR #12200

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

stable/kibana/Chart.yaml

@@ -1,5 +1,5 @@
 name: kibana
-version: 2.1.0
+version: 2.2.0
 appVersion: 6.7.0
 description: Kibana is an open source data visualization plugin for Elasticsearch
 icon: https://raw.githubusercontent.com/elastic/kibana/master/src/ui/public/icons/kibana-color.svg

stable/kibana/README.md

@@ -112,6 +112,9 @@ The following table lists the configurable parameters of the kibana chart and th
 | `extraConfigMapMounts`                     | Additional configmaps to be mounted                                    | `[]`                                  |
 | `deployment.annotations`                   | Annotations for deployment                                             | `{}`                                  |
 | `initContainers`                           | Init containers to add to the kibana deployment                        | `{}`                                  |
+| `testFramework.image`                      | `test-framework` image repository.                                     | `dduportal/bats`                      |
+| `testFramework.tag`                        | `test-framework` image tag.                                            | `0.4.0`                               |
+
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
 

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

@@ -0,0 +1,35 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ template "kibana.fullname" . }}-test
+  labels:
+    app: {{ template "kibana.fullname" . }}
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
+    heritage: "{{ .Release.Service }}"
+    release: "{{ .Release.Name }}"
+data:
+  run.sh: |-
+    @test "Test Status" {
+      {{- if .Values.service.selector }}
+      skip "Can't guarentee pod names with selector"
+      {{- else }}
+      {{- $port := .Values.service.externalPort }}
+      url="http://{{ template "kibana.fullname" . }}{{ if $port }}:{{ $port }}{{ end }}/api{{ .Values.livenessProbe.path }}"
+
+      # retry for 1 minute
+      run curl -s -o /dev/null -I -w "%{http_code}" --retry 30 --retry-delay 2 $url
+
+      code=$(curl -s -o /dev/null -I -w "%{http_code}" $url)
+      body=$(curl $url)
+      if [ "$code" == "503" ]
+      then
+        skip "Kibana Unavailable (503), can't get status - see pod logs: $body"
+      fi
+
+      result=$(echo $body | jq -cr '.status.statuses[]')
+      [ "$result" != "" ]
+
+      result=$(echo $body | jq -cr '.status.statuses[] | select(.state != "green")')
+      [ "$result" == "" ]
+      {{- end }}
+    }

stable/kibana/templates/tests/test.yaml

@@ -0,0 +1,42 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: {{ template "kibana.fullname" . }}-test
+  labels:
+    app: {{ template "kibana.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: "dwdraju/alpine-curl-jq"
+      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 "kibana.fullname" . }}-test
+  - name: tools
+    emptyDir: {}
+  restartPolicy: Never

stable/kibana/values.yaml

@@ -3,6 +3,10 @@ image:
   tag: "6.7.0"
   pullPolicy: "IfNotPresent"
 
+testFramework:
+  image: "dduportal/bats"
+  tag: "0.4.0"
+
 commandline:
   args: []
 
@@ -17,11 +21,11 @@ env: {}
   # SERVER_DEFAULTROUTE: "/app/kibana"
 
 files:
-  kibana.yml: {}
+  kibana.yml:
     ## Default Kibana configuration from kibana-docker.
-    # server.name: kibana
-    # server.host: "0"
-    # elasticsearch.url: http://elasticsearch:9200
+    server.name: kibana
+    server.host: "0"
+    elasticsearch.url: http://elasticsearch:9200
 
     ## Custom config properties below
     ## Ref: https://www.elastic.co/guide/en/kibana/current/settings.html