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

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

e2e-tests/apps/percona/deployers/percona.yml

@@ -0,0 +1,72 @@
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: percona
+  labels:
+    lkey: lvalue
+spec:
+  selector: 
+    matchLabels:
+      lkey: lvalue 
+  template: 
+    metadata:
+      labels: 
+        lkey: lvalue
+    spec:
+      containers:
+        - resources:
+            limits:
+              cpu: 0.5
+          name: percona
+          image: openebs/tests-custom-percona:latest
+          imagePullPolicy: IfNotPresent
+          args:
+            - "--ignore-db-dir"
+            - "lost+found"
+          env:
+            - name: MYSQL_ROOT_PASSWORD
+              value: k8sDem0
+          ports:
+            - containerPort: 3306
+              name: percona
+          volumeMounts:
+            - mountPath: /var/lib/mysql
+              name: data-vol
+          #<!-- BEGIN ANSIBLE MANAGED BLOCK -->
+          livenessProbe:
+            exec:
+              command: ["bash", "sql-test.sh"]
+            initialDelaySeconds: 60
+            periodSeconds: 1
+            timeoutSeconds: 10
+          #<!-- END ANSIBLE MANAGED BLOCK --> 
+      volumes:
+        - name: data-vol
+          persistentVolumeClaim:
+            claimName: testclaim
+---
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  name: testclaim
+spec:
+  storageClassName: testclass
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: teststorage
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: percona-mysql
+  labels:
+    lkey: lvalue
+spec:
+  ports:
+    - port: 3306
+      targetPort: 3306
+  selector:
+      lkey: lvalue

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

@@ -0,0 +1,52 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generateName: percona-deploy-
+  namespace: e2e
+spec:
+  template:
+    metadata:
+      name: percona-deploy
+      labels:
+        app: percona-deployment
+
+    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 percona application will be deployed 
+          - name: APP_NAMESPACE
+            value: 'percona'
+
+            # Application label for percona deployment in `key=value` format
+          - name: APP_LABEL
+            value: 'app=percona'
+
+            # Application PVC name
+          - name: APP_PVC
+            value: 'percona-pvc'
+
+            # Persistent volume storage capacity (for e.g, 5Gi)
+          - name: PV_CAPACITY
+            value: '5Gi'
+
+            # 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/percona/deployers/test.yml -i /etc/ansible/hosts -v; exit 0"]

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

@@ -0,0 +1,57 @@
+---
+- 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:
+              ## 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 }}"
+
+              ## Fetching the pod name
+            - include_tasks: /e2e-tests/utils/k8s/fetch_app_pod.yml
+
+                ## Checking the db is ready for connection
+            - include_tasks: /e2e-tests/utils/applications/mysql/check_db_connection.yml
+
+          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"
+
+        - set_fact:
+            flag: "Pass"
+            
+      rescue:
+        - 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/percona/deployers/test_vars.yml

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+test_name: "percona-{{ action }}-{{ app_ns }}"
+
+application_deployment: percona.yml
+
+application_name: "percona"
+
+storage_class: "{{ lookup('env','STORAGE_CLASS') }}"
+
+app_ns: "{{ lookup('env','APP_NAMESPACE') }}"
+
+app_label: "{{ lookup('env','APP_LABEL') }}"
+
+app_pvc: "{{ lookup('env','APP_PVC') }}"
+
+action: "{{ lookup('env','ACTION') }}"