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

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

e2e-tests/utils/applications/mysql/mysql_data_persistence.yml

@@ -0,0 +1,108 @@
+---
+- block:
+
+   - name: Create some test data in the mysql database
+     shell: >
+       kubectl exec {{ pod_name }} -n {{ ns }} 
+       -- {{ item }}
+     args:
+       executable: /bin/bash
+     register: result
+     failed_when: "result.rc != 0"
+     with_items:
+       - mysql -u{{ dbuser }} -p{{ dbpassword }} -e 'create database {{ dbname }};'
+       - mysql -u{{ dbuser }} -p{{ dbpassword }} -e 'create table ttbl (Data VARCHAR(20));' {{ dbname }}
+       - mysql -u{{ dbuser }} -p{{ dbpassword }} -e 'insert into ttbl (Data) VALUES ("tdata");' {{ dbname }}
+
+  when: status == "LOAD"
+
+- block:
+
+   - name: Kill the application pod
+     shell: >
+       kubectl delete pod {{ pod_name }} -n {{ ns }}
+     args:
+       executable: /bin/bash
+
+   - name: Verify if the application pod is deleted
+     shell: >
+       kubectl get pods -n {{ ns }}
+     args:
+       executable: /bin/bash
+     register: podstatus
+     until: '"{{ pod_name }}" not in podstatus.stdout'
+     retries: 2
+     delay: 150
+
+   - name: Obtain the newly created pod name for application
+     shell: >
+       kubectl get pods -n {{ ns }} -l {{ label }} -o jsonpath='{.items[].metadata.name}'
+     args:
+       executable: /bin/bash
+     register: newpod_name
+
+   - name: Checking application pod is in running state
+     shell: kubectl get pods -n {{ ns }} -o jsonpath='{.items[?(@.metadata.name=="{{ newpod_name.stdout }}")].status.phase}'
+     register: result
+     until: "((result.stdout.split()|unique)|length) == 1 and 'Running' in result.stdout"
+     delay: 2
+     retries: 150
+
+   - name: Get the container status of application.
+     shell: >
+        kubectl get pods -n {{ ns }} -o jsonpath='{.items[?(@.metadata.name=="{{ newpod_name.stdout }}")].status.containerStatuses[].state}' | grep running
+     args:
+       executable: /bin/bash
+     register: containerStatus
+     until: "'running' in containerStatus.stdout"
+     delay: 2
+     retries: 150
+
+   - name: Check if db is ready for connections
+     shell: kubectl logs {{ newpod_name.stdout }} -n {{ ns }} | grep 'ready for connections'
+     register: initcheck
+     until: "'ready for connections' in initcheck.stdout"
+     delay: 5
+     retries: 180
+
+   - name: Checking for the Corrupted tables
+     shell: >
+       kubectl exec {{ newpod_name.stdout }} -n {{ ns }}
+       -- mysqlcheck -c {{ dbname }} -u{{ dbuser }} -p{{ dbpassword }}
+     args:
+       executable: /bin/bash
+     register: status 
+     failed_when: "'OK' not in status.stdout"
+
+   - name: Verify mysql data persistence 
+     shell: >
+           kubectl exec {{ newpod_name.stdout }} -n {{ ns }}
+           -- mysql -u{{ dbuser }} -p{{ dbpassword }} -e 'select * from ttbl' {{ dbname }};
+     args:
+       executable: /bin/bash
+     register: result 
+     failed_when: "'tdata' not in result.stdout"   
+
+  when: status == "VERIFY"
+
+- block:
+
+   - name: Delete/drop MySQL database 
+     shell: > 
+       kubectl exec {{ pod_name }} -n {{ ns }}
+       -- mysql -u{{ dbuser }} -p{{ dbpassword }} -e 'drop database {{ dbname }}'; 
+     args:
+       executable: /bin/bash
+     register: status 
+
+   - name: Verify successful db delete 
+     shell: > 
+           kubectl exec {{ pod_name }} -n {{ ns }}
+           -- mysql -u{{ dbuser }} -p{{ dbpassword }} -e 'show databases';
+     args:
+       executable: /bin/bash
+     register: result 
+     failed_when: "dbname in result.stdout"   
+
+  when: status == "DELETE"
+