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feat(e2e-test): Add e2e-tests for zfs-localpv (#298)
Signed-off-by: w3aman <aman.gupta@mayadata.io>
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Aman Gupta
GitHub
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248
e2e-tests/experiments/functional/zfspv-raw-block-volume/test.yml
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248
e2e-tests/experiments/functional/zfspv-raw-block-volume/test.yml
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- hosts: localhost
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connection: local
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gather_facts: False
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vars_files:
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- test_vars.yml
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tasks:
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- block:
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## Generating the testname for zfspv raw block volume test
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- include_tasks: /e2e-tests/hack/create_testname.yml
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## Record SOT (start of test) in e2e result e2e-cr (e2e-custom-resource)
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- include_tasks: /e2e-tests/hack/update_e2e_result_resource.yml
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vars:
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status: 'SOT'
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- name: Create the namespace for block-volume of zfspv
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shell: >
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kubectl create ns {{ app_ns }}
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args:
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executable: /bin/bash
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- name: Update the busybox application template with the test specific values
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template:
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src: busybox.j2
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dest: busybox.yml
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- name: Deploy the application using block volume pvc
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shell: >
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kubectl create -f busybox.yml -n {{ app_ns }}
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args:
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executable: /bin/bash
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- name: Check if the block volume PVC is bound
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shell: >
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kubectl get pvc block-vol-pvc -n {{ app_ns }}
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--no-headers -o custom-columns=:.status.phase
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args:
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executable: /bin/bash
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register: pvc_status
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until: "'Bound' in pvc_status.stdout"
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delay: 5
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retries: 30
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- name: Get the zvolume name
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shell: kubectl get pvc block-vol-pvc -n {{ app_ns }} -o custom-columns=:.spec.volumeName
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args:
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executable: /bin/bash
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register: zv_name
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- name: Get the application pod name
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shell: >
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kubectl get pod -n {{ app_ns }} -l app=raw-block-vol
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--no-headers -o custom-columns=:.metadata.name
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args:
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executable: /bin/bash
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register: app_pod_name
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- name: Check if the application pod is in running state
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shell: >
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kubectl get pod {{ app_pod_name.stdout }} -n {{ app_ns }}
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--no-headers -o custom-columns=:.status.phase
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register: pod_status
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until: "'Running' in pod_status.stdout"
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delay: 5
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retries: 50
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- name: Create some test data into the raw block device and take the md5sum of data
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shell: >
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kubectl exec -ti {{ app_pod_name.stdout }} -n {{ app_ns }}
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-- sh -c "{{ item }}"
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args:
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executable: /bin/bash
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register: result
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failed_when: "result.rc != 0"
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with_items:
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- "dd if=/dev/urandom of=/dev/sdc bs=4k count=262144"
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- "md5sum /dev/sdc > /busybox/pre-md5"
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- name: Restart the busybox application
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shell: kubectl delete pod {{ app_pod_name.stdout }} -n {{ app_ns }}
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args:
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executable: /bin/bash
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- name: Get the application pod name after restart
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shell: >
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kubectl get pod -n {{ app_ns }} -l app=raw-block-vol
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--no-headers -o custom-columns=:.metadata.name
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args:
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executable: /bin/bash
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register: new_pod_name
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- name: Check if the application pod is in running state
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shell: >
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kubectl get pod {{ new_pod_name.stdout }} -n {{ app_ns }}
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--no-headers -o custom-columns=:.status.phase
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register: pod_status
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until: "'Running' in pod_status.stdout"
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delay: 5
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retries: 50
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- name: Again take the md5sum of the data after restarting the application pod
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shell: >
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kubectl exec -ti {{ new_pod_name.stdout }} -n {{ app_ns }}
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-- sh -c "md5sum /dev/sdc > /busybox/post-md5"
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args:
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executable: /bin/bash
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register: result
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failed_when: "result.rc != 0"
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- name: Verify whether data is consistence after restarting the application pod
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shell: >
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kubectl exec -ti {{ new_pod_name.stdout }} -n {{ app_ns }}
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-- sh -c "diff /busybox/pre-md5 /busybox/post-md5"
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args:
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executable: /bin/bash
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register: result
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failed_when: "result.rc != 0 or result.stdout != ''"
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- name: Obtain the mount path for the application
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shell: >
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kubectl get pod {{ new_pod_name.stdout }} -n {{ app_ns }}
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-o custom-columns=:.spec.containers[].volumeMounts[].mountPath --no-headers
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args:
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executable: /bin/bash
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register: mount
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- name: Fetch the Storage from PVC using namespace
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shell: kubectl get pvc -n {{ app_ns }} -o jsonpath={.items[0].spec.resources.requests.storage}
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args:
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executable: /bin/bash
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register: storage_capacity
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- name: Fetch the alphabet(G,M,m,g) from storage capacity
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shell: echo "{{ storage_capacity.stdout }}" | grep -o -E '[0-9]+'
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args:
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executable: /bin/bash
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register: value_pvc
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## Here we will resize the volume to double value of present pvc size
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- set_fact:
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desired_vol_size: '{{ (value_pvc.stdout | int * 2 | int) | int }}'
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- name: Obtain the PVC spec
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shell: >
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kubectl get pvc block-vol-pvc -n {{ app_ns }}
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--no-headers -o yaml > pvc.yml
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args:
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executable: /bin/bash
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- name: Update the desired capacity in PVC spec
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replace:
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path: pvc.yml
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before: 'storageClassName: {{ storage_class }}'
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regexp: "storage: {{ pvc_size }}"
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replace: "storage: {{ desired_vol_size }}Gi"
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- name: Configure PVC with the new capacity
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shell: kubectl apply -f pvc.yml
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args:
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executable: /bin/bash
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register: result
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failed_when: "result.rc != 0"
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- name: Check if the desired PVC is bound
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shell: >
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kubectl get pvc block-vol-pvc -n {{ app_ns }} --no-headers
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-o custom-columns=:.status.phase
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args:
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executable: /bin/bash
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register: pvc_status
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failed_when: "'Bound' not in pvc_status.stdout"
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- name: Check if the storage capacity is updated in PVC
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shell: >
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kubectl get pvc block-vol-pvc -n {{ app_ns }} --no-headers
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-o custom-columns=:status.capacity.storage
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args:
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executable: /bin/bash
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register: capacity
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until: "desired_vol_size in capacity.stdout"
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delay: 10
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retries: 50
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## Here we will dump +1Gi data than to previous pvc size
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- set_fact:
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value_num: '{{ ( (value_pvc.stdout | int + 1 | int) * 1024) | int }}'
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- name: Dump some more dummy data in the application mount point for using resized volume
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shell: >
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kubectl exec -it "{{ new_pod_name.stdout }}" -n "{{ app_ns }}"
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-- sh -c "cd {{ mount.stdout }} && dd if=/dev/urandom of=volume.txt bs=1024k count={{ value_num }}"
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args:
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executable: /bin/bash
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register: load
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failed_when: "load.rc != 0"
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- name: Deprovision the busybox application
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shell: kubectl delete -f busybox.yml -n {{ app_ns }}
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args:
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executable: /bin/bash
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- name: Verify that busybox application is successfully deprovisioned
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shell: kubectl get pods -n {{ app_ns }}
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args:
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executable: /bin/bash
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register: app_pod_status
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until: "'new_app_pod.stdout' not in app_pod_status.stdout"
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delay: 5
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retries:
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- name: Verify that pvc is deleted successfully
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shell: kubectl get pvc -n {{ app_ns }}
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args:
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executable: /bin/bash
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register: pvc_status
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until: "'block-vol-pvc' not in pvc_status.stdout"
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delay: 3
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retries: 30
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- name: Verify the zvolume is deleted successfully
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shell: kubectl get zv -n {{ zfs_operator_ns }}
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args:
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executable: /bin/bash
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register: zvol_list
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until: "'zv_name.stdout' not in zvol_list.stdout"
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delay: 3
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retries: 30
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- name: Delete the application namespace
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shell: kubectl delete ns {{ app_ns }}
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args:
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executable: /bin/bash
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- set_fact:
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flag: "Pass"
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rescue:
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- set_fact:
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flag: "Fail"
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always:
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## RECORD END-OF-TEST IN e2e RESULT CR
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- include_tasks: /e2e-tests/hack/update_e2e_result_resource.yml
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vars:
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status: 'EOT'
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