play-vm-migration-02-migrate-non-backend-box.yml

---
- name: "Pick appropriate groups for localhost"
  hosts: localhost
  connection: local
  gather_facts: false
  tasks:
    - import_tasks: tasks/localhost-group-placement.yml
  tags: always

- name: "evacuate the old {{ server_id }}"
  hosts: "{{ server_id }}:&{{ copr_instance }}"
  remote_user: root
  tasks:
    - set_fact:
        server: "{{ lookup('vars', server_id) }}"

    - import_tasks: tasks/assert-instance-id.yml
      vars:
        instance_id: "{{ server.old_instance_id }}"

    - name: stop services before the backup
      service:
        name: "{{ item }}"
        state: stopped
      loop: "{{ server.stop_services.before_backup }}"
      when: server.stop_services.before_backup is defined

    - pause:
        prompt: "Please backup PostgreSQL data now: https://docs.pagure.org/copr.copr/database_backup.html and hit ENTER"
      when: server_id == 'frontend'

    - name: stop other services after the backup
      service:
        name: "{{ item }}"
        state: stopped
      loop: "{{ server.stop_services.after_backup }}"
      when: server.stop_services.after_backup is defined

    - include_tasks: tasks/wait-for-unused-mountpoint.yml
      vars:
        mountpoints: "{{ server.data_volumes | map(attribute='mount_points') | flatten }}"

    - name: unmount mountpoints
      ansible.posix.mount:
        path: "{{ item }}"
        state: unmounted
      loop: "{{ server.data_volumes | map(attribute='mount_points') | flatten }}"

- name: "Reattach resources"
  hosts: localhost
  connection: local
  gather_facts: false
  tasks:
    - set_fact:
        server: "{{ lookup('vars', server_id) }}"

    - import_tasks: tasks/create-snapshots.yml
      vars:
        server: "{{ server }}"
        volume_ids: "{{ server.data_volumes | map(attribute='id') }}"
        snapshot_suffix: "clean"

    - name: detach the volume from the old instance
      amazon.aws.ec2_vol:
        profile: fedora-copr
        instance: None  # None here means detach.
        id: "{{ item }}"
      loop: "{{ server.data_volumes | map(attribute='id') }}"

    - name: attach the volume to the new instance
      amazon.aws.ec2_vol:
        profile: fedora-copr
        instance: "{{ server.new_instance_id }}"
        id: "{{ item }}"
      loop: "{{ server.data_volumes | map(attribute='id') | list }}"

    - pause:
        prompt: going to move IPs to the new machine, won't be accessible, OK?

    - name: disassociate the elastic IP from the old device
      community.aws.ec2_eip:
        profile: fedora-copr
        device_id: "{{ server.old_network_id }}"
        ip: "{{ server.elastic_ip }}"
        in_vpc: true
        state: absent

    - name: associate the elastic IP with a new device
      community.aws.ec2_eip:
        profile: fedora-copr
        device_id: "{{ server.new_network_id }}"
        ip: "{{ server.elastic_ip }}"
        in_vpc: true
        state: present

    - name: reassign ipv6 address
      import_tasks: tasks/reassign-ipv6.yml
      vars:
        ipv6: "{{ server.ipv6 }}"
        old_eni: "{{ server.old_network_id }}"
        new_eni: "{{ server.new_network_id }}"