---
- name: handlers
  when: not rolling_update | bool
  block:
    - name: update apt cache
      apt:
        update-cache: yes
      when: ansible_os_family == 'Debian'
      register: result
      until: result is succeeded

    # We only want to restart on hosts that have called the handler.
    # This var is set when he handler is called, and unset after the
    # restart to ensure only the correct hosts are restarted.
    - name: set _mon_handler_called before restart
      set_fact:
         _mon_handler_called: True
      listen: "restart ceph mons"

    - name: copy mon restart script
      template:
        src: restart_mon_daemon.sh.j2
        dest: /tmp/restart_mon_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph mons"
      when: mon_group_name in group_names

    - name: restart ceph mon daemon(s)
      command: /usr/bin/env bash /tmp/restart_mon_daemon.sh
      listen: "restart ceph mons"
      when:
        # We do not want to run these checks on initial deployment (`socket.rc == 0`)
        - mon_group_name in group_names
        - handler_mon_status | bool
        - hostvars[item]['_mon_handler_called'] | default(False) | bool
      with_items: "{{ groups[mon_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _mon_handler_called after restart
      set_fact:
         _mon_handler_called: False
      listen: "restart ceph mons"

    - name: set _osd_handler_called before restart
      set_fact:
         _osd_handler_called: True
      listen: "restart ceph osds"

    # This does not just restart OSDs but everything else too. Unfortunately
    # at this time the ansible role does not have an OSD id list to use
    # for restarting them specifically.
    # This does not need to run during a rolling update as the playbook will
    # restart all OSDs using the tasks "start ceph osd" or
    # "restart containerized ceph osd"
    - name: copy osd restart script
      template:
        src: restart_osd_daemon.sh.j2
        dest: /tmp/restart_osd_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph osds"
      when: osd_group_name in group_names

    - name: restart ceph osds daemon(s)
      command: /usr/bin/env bash /tmp/restart_osd_daemon.sh
      listen: "restart ceph osds"
      when:
        - osd_group_name in group_names
        - handler_osd_status | bool
        - handler_health_osd_check | bool
        - hostvars[item]['_osd_handler_called'] | default(False) | bool
      with_items: "{{ groups[osd_group_name] | intersect(ansible_play_batch) }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _osd_handler_called after restart
      set_fact:
         _osd_handler_called: False
      listen: "restart ceph osds"

    - name: set _mds_handler_called before restart
      set_fact:
         _mds_handler_called: True
      listen: "restart ceph mdss"

    - name: copy mds restart script
      template:
        src: restart_mds_daemon.sh.j2
        dest: /tmp/restart_mds_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph mdss"
      when: mds_group_name in group_names

    - name: restart ceph mds daemon(s)
      command: /usr/bin/env bash /tmp/restart_mds_daemon.sh
      listen: "restart ceph mdss"
      when:
        - mds_group_name in group_names
        - handler_mds_status | bool
        - hostvars[item]['_mds_handler_called'] | default(False) | bool
      with_items: "{{ groups[mds_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _mds_handler_called after restart
      set_fact:
         _mds_handler_called: False
      listen: "restart ceph mdss"

    - name: set _rgw_handler_called before restart
      set_fact:
         _rgw_handler_called: True
      listen: "restart ceph rgws"

    - name: copy rgw restart script
      template:
        src: restart_rgw_daemon.sh.j2
        dest: /tmp/restart_rgw_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph rgws"
      when: rgw_group_name in group_names

    - name: restart ceph rgw daemon(s)
      command: /usr/bin/env bash /tmp/restart_rgw_daemon.sh
      listen: "restart ceph rgws"
      when:
        - rgw_group_name in group_names
        - handler_rgw_status | bool
        - hostvars[item]['_rgw_handler_called'] | default(False) | bool
      with_items: "{{ groups[rgw_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _rgw_handler_called after restart
      set_fact:
         _rgw_handler_called: False
      listen: "restart ceph rgws"

    - name: set _nfs_handler_called before restart
      set_fact:
         _nfs_handler_called: True
      listen: "restart ceph nfss"

    - name: copy nfs restart script
      template:
        src: restart_nfs_daemon.sh.j2
        dest: /tmp/restart_nfs_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph nfss"
      when: nfs_group_name in group_names

    - name: restart ceph nfs daemon(s)
      command: /usr/bin/env bash /tmp/restart_nfs_daemon.sh
      listen: "restart ceph nfss"
      when:
        - nfs_group_name in group_names
        - handler_nfs_status | bool
        - hostvars[item]['_nfs_handler_called'] | default(False) | bool
      with_items: "{{ groups[nfs_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _nfs_handler_called after restart
      set_fact:
         _nfs_handler_called: False
      listen: "restart ceph nfss"

    - name: set _rbdmirror_handler_called before restart
      set_fact:
         _rbdmirror_handler_called: True
      listen: "restart ceph rbdmirrors"

    - name: copy rbd mirror restart script
      template:
        src: restart_rbd_mirror_daemon.sh.j2
        dest: /tmp/restart_rbd_mirror_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph rbdmirrors"
      when: rbdmirror_group_name in group_names

    - name: restart ceph rbd mirror daemon(s)
      command: /usr/bin/env bash /tmp/restart_rbd_mirror_daemon.sh
      listen: "restart ceph rbdmirrors"
      when:
        - rbdmirror_group_name in group_names
        - handler_rbd_mirror_status | bool
        - hostvars[item]['_rbdmirror_handler_called'] | default(False) | bool
      with_items: "{{ groups[rbdmirror_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _rbdmirror_handler_called after restart
      set_fact:
         _rbdmirror_handler_called: False
      listen: "restart ceph rbdmirrors"

    - name: set _mgr_handler_called before restart
      set_fact:
         _mgr_handler_called: True
      listen: "restart ceph mgrs"

    - name: copy mgr restart script
      template:
        src: restart_mgr_daemon.sh.j2
        dest: /tmp/restart_mgr_daemon.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph mgrs"
      when: mgr_group_name in group_names

    - name: restart ceph mgr daemon(s)
      command: /usr/bin/env bash /tmp/restart_mgr_daemon.sh
      listen: "restart ceph mgrs"
      when:
        - mgr_group_name in group_names
        - handler_mgr_status | bool
        - hostvars[item]['_mgr_handler_called'] | default(False) | bool
      with_items: "{{ groups[mgr_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _mgr_handler_called after restart
      set_fact:
         _mgr_handler_called: False
      listen: "restart ceph mgrs"

    - name: set _tcmu_runner_handler_called before restart
      set_fact:
         _tcmu_runner_handler_called: True
      listen: "restart ceph tcmu-runner"

    - name: copy tcmu-runner restart script
      template:
        src: restart_tcmu_runner.sh.j2
        dest: /tmp/restart_tcmu_runner.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph tcmu-runner"
      when: iscsi_gw_group_name in group_names

    - name: restart tcmu-runner
      command: /usr/bin/env bash /tmp/restart_tcmu_runner.sh
      listen: "restart ceph tcmu-runner"
      when:
        - iscsi_gw_group_name in group_names
        - ceph_tcmu_runner_stat.get('rc') == 0
        - hostvars[item]['_tcmu_runner_handler_called'] | default(False) | bool
        - ceph_tcmu_runner_stat.get('stdout_lines', [])|length != 0
      with_items: "{{ groups[iscsi_gw_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _tcmu_runner_handler_called after restart
      set_fact:
         _tcmu_runner_handler_called: False
      listen: "restart ceph tcmu-runner"

    - name: set _rbd_target_gw_handler_called before restart
      set_fact:
         _rbd_target_gw_handler_called: True
      listen: "restart ceph rbd-target-gw"

    - name: copy rbd-target-gw restart script
      template:
        src: restart_rbd_target_gw.sh.j2
        dest: /tmp/restart_rbd_target_gw.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph rbd-target-gw"
      when: iscsi_gw_group_name in group_names

    - name: restart rbd-target-gw
      command: /usr/bin/env bash /tmp/restart_rbd_target_gw.sh
      listen: "restart ceph rbd-target-gw"
      when:
        - iscsi_gw_group_name in group_names
        - ceph_rbd_target_gw_stat.get('rc') == 0
        - hostvars[item]['_rbd_target_gw_handler_called'] | default(False) | bool
        - ceph_rbd_target_gw_stat.get('stdout_lines', [])|length != 0
      with_items: "{{ groups[iscsi_gw_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _rbd_target_gw_handler_called after restart
      set_fact:
         _rbd_target_gw_handler_called: False
      listen: "restart ceph rbd-target-gw"

    - name: set _rbd_target_api_handler_called before restart
      set_fact:
         _rbd_target_api_handler_called: True
      listen: "restart ceph rbd-target-api"

    - name: copy rbd-target-api restart script
      template:
        src: restart_rbd_target_api.sh.j2
        dest: /tmp/restart_rbd_target_api.sh
        owner: root
        group: root
        mode: 0750
      listen: "restart ceph rbd-target-api"
      when: iscsi_gw_group_name in group_names

    - name: restart rbd-target-api
      command: /usr/bin/env bash /tmp/restart_rbd_target_api.sh
      listen: "restart ceph rbd-target-api"
      when:
        - iscsi_gw_group_name in group_names
        - ceph_rbd_target_api_stat.get('rc') == 0
        - hostvars[item]['_rbd_target_api_handler_called'] | default(False) | bool
        - ceph_rbd_target_api_stat.get('stdout_lines', [])|length != 0
      with_items: "{{ groups[iscsi_gw_group_name] }}"
      delegate_to: "{{ item }}"
      run_once: True

    - name: set _rbd_target_api_handler_called after restart
      set_fact:
         _rbd_target_api_handler_called: False
      listen: "restart ceph rbd-target-api"