- name: Graceful shutdown source compute live migration
  block:
    - name: Start live migrations of test servers
      become: true
      become_user: stack
      script: "start_live_migration.sh server-lm1"
      environment:
        SUBNODE_HOSTNAME: "{{ hostvars['compute1']['ansible_hostname'] }}"
        CONTROLLER_HOSTNAME: "{{ hostvars['controller']['ansible_hostname'] }}"
      register: start_live_migrations_result
      failed_when: start_live_migrations_result.rc not in [0, 2]

    - name: Set fact if migrations completed or timed out before SIGTERM to source compute
      set_fact:
        live_migrations_completed_or_timeout: "{{ start_live_migrations_result.rc == 2 }}"

    - name: Run graceful shutdown tests
      when: not live_migrations_completed_or_timeout
      block:
        - name: Send SIGTERM to source compute to start the source compute graceful shutdown
          delegate_to: compute1
          become: true
          shell: "kill -15 $(systemctl show devstack@n-cpu -p MainPID --value)"

        - name: Verify live migration is completed during graceful shutdown
          become: true
          become_user: stack
          script: "verify_live_migration.sh server-lm1"
          environment:
            CONTROLLER_HOSTNAME: "{{ hostvars['controller']['ansible_hostname'] }}"

        # Sleep for 180 sec: default graceful_shutdown_timeout
        - name: Sleep for 180 seconds to allow source compute graceful shutdown to complete
          pause:
            seconds: 180

        - name: Verify compute service is stopped after graceful shutdown
          become: true
          become_user: stack
          script: "start_and_verify_compute_service.sh {{ hostvars['compute1']['ansible_hostname'] }} inactive"

    - name: Start and verify subnode compute service is running
      become: true
      become_user: stack
      script: "start_and_verify_compute_service.sh {{ hostvars['compute1']['ansible_hostname'] }}"

    - name: Cleanup test servers
      become: true
      become_user: stack
      script: "cleanup_test_servers.sh server-lm1"
      ignore_errors: true

- name: Fail if any test is skipped
  fail:
    msg: "One or more test is skipped due to operation is either completed or timed out before SIGTERM signal."
  when: live_migrations_completed_or_timeout