feat(e2e-test): Add e2e-tests for zfs-localpv (#298)

Signed-off-by: w3aman <aman.gupta@mayadata.io>

e2e-tests/apps/busybox/deployers/busybox_deployment.yml

@@ -0,0 +1,42 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: app-busybox
+  labels:
+    lkey: lvalue
+spec:
+  selector:
+    matchLabels:
+      lkey: lvalue
+  template:
+    metadata:
+      labels:
+        lkey: lvalue
+    spec:
+      containers:
+      - name: app-busybox
+        imagePullPolicy: IfNotPresent
+        image: gcr.io/google-containers/busybox
+        command: ["/bin/sh"]
+        args: ["-c", "while true; do sleep 10;done"]
+        env:
+        volumeMounts:
+        - name: data-vol
+          mountPath: /busybox
+      volumes:
+      - name: data-vol
+        persistentVolumeClaim:
+          claimName: testclaim
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: testclaim
+spec:
+  storageClassName: testclass
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: teststorage

e2e-tests/apps/busybox/deployers/busybox_statefulset.yml

@@ -0,0 +1,36 @@
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: app-busybox
+  labels:
+    lkey: lvalue
+spec:
+  selector:
+    matchLabels:
+      lkey: lvalue
+  template:
+    metadata:
+      labels:
+        lkey: lvalue
+    spec:
+      containers:
+      - name: app-busybox
+        image: gcr.io/google-containers/busybox
+        imagePullPolicy: IfNotPresent
+        command:
+           - sh
+           - -c
+           - 'date > /busybox/date.txt; sync; sleep 5; sync; tail -f /dev/null;'
+        volumeMounts:
+        - name: testclaim
+          mountPath: /busybox
+  volumeClaimTemplates:
+  - metadata:
+      name: testclaim
+    spec:
+      accessModes: [ "ReadWriteOnce" ]
+      storageClassName: testclass
+      resources:
+        requests:
+          storage: teststorage

e2e-tests/apps/busybox/deployers/run_e2e_test.yml

@@ -0,0 +1,55 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generateName: busybox-deploy-
+  namespace: e2e
+spec:
+  template:
+    metadata:
+      name: busybox-deploy
+      labels:
+        app: busybox
+    spec:
+      serviceAccountName: e2e
+      restartPolicy: Never
+      containers:
+      - name: ansibletest
+        image: openebs/zfs-localpv-e2e:ci
+        imagePullPolicy: IfNotPresent
+        env:
+          - name: ANSIBLE_STDOUT_CALLBACK
+            value: default
+
+            # Name of the storage class to use for volume provisioning
+          - name: STORAGE_CLASS  
+            value: 'zfspv-sc'
+           
+            # This is the namespace where busybox application will be deployed 
+          - name: APP_NAMESPACE
+            value: 'busybox'
+
+            # Application label for busybox deployment/statefulset in `key=value` format
+          - name: APP_LABEL
+            value: 'app=busybox'
+
+            # Application PVC name
+          - name: APP_PVC
+            value: 'busybox-pvc'
+
+            # Persistent volume storage capacity (for e.g, 5Gi)
+          - name: PV_CAPACITY
+            value: '5Gi'
+
+            # Use: `statefuleset` to deploy busybox application as statefulset
+            # Use: `deployment` to deploy busybox application as deployment
+          - name: DEPLOY_TYPE
+            value: 'deployment'
+                      
+            # Use: `provision` to deploy the application
+            # Use: `deprovision` to deprovision the application
+          - name: ACTION
+            value: 'provision'
+
+        command: ["/bin/bash"]
+        args: ["-c", "ansible-playbook ./e2e-tests/apps/busybox/deployers/test.yml -i /etc/ansible/hosts -v; exit 0"]

e2e-tests/apps/busybox/deployers/test.yml

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+---
+- hosts: localhost
+  connection: local
+  gather_facts: False
+
+  vars_files:
+    - test_vars.yml
+
+  tasks:
+    - block:
+
+          ## Generating the testname for deployment
+        - include_tasks: /e2e-tests/hack/create_testname.yml
+
+          ## RECORD START-OF-TEST IN e2e RESULT CR
+        - include_tasks: /e2e-tests/hack/update_e2e_result_resource.yml
+          vars:
+            status: 'SOT'
+
+        - block:
+            - block:
+                  ## Prerequisite tasks such as, namespace creation and replacing placeholder
+                  ## with test specific values, before deploying application 
+                - include_tasks: /e2e-tests/utils/k8s/pre_create_app_deploy.yml
+                  vars:
+                    application: "{{ application_statefulset }}"
+
+                  ## Deploying the application
+                - include_tasks: /e2e-tests/utils/k8s/deploy_single_app.yml
+                  vars:
+                    application: "{{ application_statefulset }}"
+
+              when: "'deprovision' not in action"
+
+            - name: Deprovisioning the Application
+              include_tasks: /e2e-tests/utils/k8s/deprovision_statefulset.yml
+              vars:
+                app_deployer: "{{ application_statefulset }}"
+              when: "'deprovision' is in action"
+
+          when: lookup('env','DEPLOY_TYPE') == 'statefulset'
+
+        - block:
+            - block:
+                  ## Prerequisite tasks such as, namespace creation and replacing placeholder
+                  ## with test specific values, before deploying application 
+                - include_tasks: /e2e-tests/utils/k8s/pre_create_app_deploy.yml
+                  vars:
+                    application: "{{ application_deployment }}"
+
+                  ## Deploying the application
+                - include_tasks: /e2e-tests/utils/k8s/deploy_single_app.yml
+                  vars:
+                    application: "{{ application_deployment }}"
+
+              when: "'deprovision' not in action"
+
+            - name: Deprovisioning the Application
+              include_tasks: /e2e-tests/utils/k8s/deprovision_deployment.yml
+              vars:
+                app_deployer: "{{ application_deployment }}"
+              when: "'deprovision' is in action"
+
+          when: lookup('env','DEPLOY_TYPE') == 'deployment'
+
+        - set_fact:
+            flag: "Pass"
+
+      rescue:
+        - name: Setting fail flag
+          set_fact:
+            flag: "Fail"
+
+      always:
+        ## RECORD END-OF-TEST IN e2e RESULT CR
+        - include_tasks: /e2e-tests/hack/update_e2e_result_resource.yml
+          vars:
+            status: 'EOT'

e2e-tests/apps/busybox/deployers/test_vars.yml

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+test_name: "busybox-{{ action }}-{{ app_ns }}"
+
+application_name: "busybox"
+
+application_statefulset: busybox_statefulset.yml
+
+application_deployment: busybox_deployment.yml
+
+storage_class: "{{ lookup('env','STORAGE_CLASS') }}"
+
+app_ns: "{{ lookup('env','APP_NAMESPACE') }}"
+
+app_label: "{{ lookup('env','APP_LABEL') }}"
+
+app_pvc: "{{ lookup('env','APP_PVC') }}"
+
+deploy_type: "{{ lookup('env','DEPLOY_TYPE') }}"
+
+action: "{{ lookup('env','ACTION') }}"