# NOTE(vponomar): this role should not be run from nodes
# which are going to be rebooted.
---

- block:
  - name: Check that hostnames_for_reboot var is set and it is not empty list
    fail:
      msg: "Role 'yum-update-and-reboot' expects 'hostnames_for_reboot' var
            to be set as a list of hostnames which should be rebooted."
    when: "(hostnames_for_reboot is not defined) or hostnames_for_reboot | length < 1"

  - name: Run yum_update command
    command: "yum update -y"
    delegate_to: "{{ item }}"
    with_items: "{{ hostnames_for_reboot }}"

  - name: Reboot machine to apply all major changes to the system if exist
    shell: "sleep 3 ; /sbin/shutdown -r now 'Reboot triggered by Ansible'"
    async: 1
    poll: 0
    ignore_errors: true
    delegate_to: "{{ item }}"
    with_items: "{{ hostnames_for_reboot }}"

  - name: Wait for machine to go down
    wait_for:
      host: "{{ item }}"
      port: 22
      delay: 0
      timeout: 180
      connect_timeout: 5
      state: stopped
    with_items: "{{ hostnames_for_reboot }}"

  - name: Wait for machine to go up
    wait_for:
      host: "{{ item }}"
      port: 22
      delay: 0
      timeout: 180
      connect_timeout: 5
      state: started
    with_items: "{{ hostnames_for_reboot }}"

  - name: Sleep for some time to let services start up in time
    shell: "sleep 60"
  when: "disable_yum_update_and_reboot is undefined or not (disable_yum_update_and_reboot | bool)"