feat(tests): added test for restarter (#199)

* fix(doc): typo

* feat(tests): added test for restarter

* fix(test): yamllint

docs/modules/commons-operator/pages/index.adoc

@@ -1,3 +1,4 @@
 = Stackable Commons Operator
 
-This is an operator for Kubernetes that provides and manages common Object of the Stackable Data Platform.
+This is an operator for Kubernetes that provides and manages common objects of
+the Stackable Data Platform.

tests/templates/kuttl/restarter/00-rbac.yaml.j2

@@ -0,0 +1,30 @@
+---
+kind: Role
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: use-integration-tests-scc
+rules:
+{% if test_scenario['values']['openshift'] == "true" %}
+  - apiGroups: ["security.openshift.io"]
+    resources: ["securitycontextconstraints"]
+    resourceNames: ["privileged"]
+    verbs: ["use"]
+{% endif %}
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: integration-tests-sa
+---
+kind: RoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: use-integration-tests-scc
+subjects:
+  - kind: ServiceAccount
+    name: integration-tests-sa
+roleRef:
+  kind: Role
+  name: use-integration-tests-scc
+  apiGroup: rbac.authorization.k8s.io
+

tests/templates/kuttl/restarter/10-assert.yaml

@@ -0,0 +1,12 @@
+---
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 30
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: sleep
+status:
+  readyReplicas: 1
+  replicas: 1

tests/templates/kuttl/restarter/10-sleep.yaml

@@ -0,0 +1,43 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: sleep
+data:
+  property: value
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: sleep
+  labels:
+    restarter.stackable.tech/enabled: "true"
+spec:
+  selector:
+    matchLabels:
+      app: sleep
+  serviceName: "sleep"
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: sleep
+    spec:
+      serviceAccount: integration-tests-sa
+      volumes:
+        - name: config
+          configMap:
+            name: sleep
+            items:
+              - key: property
+                path: property
+      containers:
+        - name: sleep
+          image: alpine
+          command:
+            - sleep
+          args:
+            - infinity
+          volumeMounts:
+            - name: config
+              mountPath: /config

tests/templates/kuttl/restarter/20-assert.yaml

@@ -0,0 +1,6 @@
+---
+apiVersion: kuttl.dev/v1beta1
+kind: TestAssert
+timeout: 180
+commands:
+  - script: test "restarted" = $(kubectl exec sleep-0 -c sleep -n $NAMESPACE -- cat /config/property)

tests/templates/kuttl/restarter/20-update-cm.yaml

@@ -0,0 +1,7 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: sleep
+data:
+  property: restarted

tests/test-definition.yaml

@@ -0,0 +1,16 @@
+---
+dimensions:
+  - name: openshift
+    values:
+      - "false"
+tests:
+  - name: restarter
+    dimensions:
+      - openshift
+suites:
+  - name: nightly
+  - name: openshift
+    patch:
+      - dimensions:
+          - name: openshift
+            expr: "true"