---
# Defines deployment design and assigns role to server groups

- hosts:
  - mons
  - agents
  - osds
  - mdss
  - rgws
  - nfss
  - restapis
  - rbdmirrors
  - clients
  - iscsigws
  - iscsi-gws # for backward compatibility only!
  - mgrs

  gather_facts: false
  become: True
  any_errors_fatal: true

  vars:
    delegate_facts_host: True

  pre_tasks:
    - name: gather facts
      setup:
      when:
        - not delegate_facts_host | bool

    - name: gather and delegate facts
      setup:
      delegate_to: "{{ item }}"
      delegate_facts: True
      with_items: "{{ groups['all'] }}"
      run_once: true
      when:
        - delegate_facts_host | bool

    - name: check if it is atomic host
      stat:
        path: /run/ostree-booted
      register: stat_ostree
      tags:
        - always

    - name: set_fact is_atomic
      set_fact:
        is_atomic: '{{ stat_ostree.stat.exists }}'
      tags:
        - always

  roles:
    - role: ceph-defaults
      tags: [with_pkg, fetch_container_image]
    - role: ceph-validate
    - role: ceph-docker-common
      tags: [with_pkg, fetch_container_image]
      when:
        - not (is_atomic | bool)
        - (not (inventory_hostname in groups.get('clients', [])) or (inventory_hostname == groups.get('clients', [''])|first))

  post_tasks:
    - name: "pull {{ ceph_docker_image }} image"
      command: "docker pull {{ ceph_docker_registry}}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
      changed_when: false
      when:
        - is_atomic
        - (ceph_docker_dev_image is undefined or not ceph_docker_dev_image)
        - (not (inventory_hostname in groups.get('clients', [])) or (inventory_hostname == groups.get('clients', [''])|first))

- hosts: mons
  tasks:
    - name: set ceph monitor install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_mon:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: mons
  become: True
  gather_facts: false
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
    - role: ceph-mon
  serial: 1 # MUST be '1' WHEN DEPLOYING MONITORS ON DOCKER CONTAINERS

- hosts: mons
  tasks:
    - name: set ceph monitor install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_mon:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: mgrs
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph manager install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_mgr:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
      when:
        - ceph_release_num[ceph_release] >= ceph_release_num.luminous
    - role: ceph-mgr
      when:
        - ceph_release_num[ceph_release] >= ceph_release_num.luminous
  post_tasks:
    - name: set ceph manager install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_mgr:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: osds
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph osd install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_osd:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
    - role: ceph-osd
  post_tasks:
    - name: set ceph osd install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_osd:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: mdss
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph mds install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_mds:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
    - ceph-mds
  post_tasks:
    - name: set ceph mds install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_mds:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: rgws
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph rgw install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_rgw:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
    - role: ceph-rgw
  post_tasks:
    - name: set ceph rgw install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_rgw:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: nfss
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph nfs install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_nfs:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
      when:
        - ceph_release_num[ceph_release] >= ceph_release_num.luminous
    - role: ceph-nfs
      when:
        - ceph_release_num[ceph_release] >= ceph_release_num.luminous
  post_tasks:
    - name: set ceph nfs install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_nfs:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: rbdmirrors
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph rbd mirror install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_rbdmirror:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
    - role: ceph-rbd-mirror
  post_tasks:
    - name: set ceph rbd mirror install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_rbdmirror:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: restapis
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph rest api install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_restapi:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
    - role: ceph-config
      tags: ['ceph_update_config']
      when:
        - ceph_release_num[ceph_release] <= ceph_release_num.luminous
    - role: ceph-restapi
      when:
        - ceph_release_num[ceph_release] <= ceph_release_num.luminous
  post_tasks:
    - name: set ceph rest api install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_restapi:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: clients
  become: True
  gather_facts: false
  pre_tasks:
    - name: set ceph client install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_client:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - role: ceph-defaults
      tags: ['ceph_update_config']
    - role: ceph-docker-common
      when:
        - inventory_hostname == groups.get('clients', ['']) | first
    - role: ceph-config
      tags: ['ceph_update_config']
    - role: ceph-client
  post_tasks:
    - name: set ceph client install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_client:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts:
    - iscsigws
    - iscsi-gws # for backward compatibility only!
  gather_facts: false
  become: True
  pre_tasks:
    - name: set ceph iscsi gateway install 'In Progress'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_iscsi_gw:
            status: "In Progress"
            start: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"
  roles:
    - { role: ceph-defaults, tags: ['ceph_update_config'] }
    - { role: ceph-docker-common }
    - { role: ceph-config, tags: ['ceph_update_config'], when: "ceph_release_num[ceph_release] >= ceph_release_num.luminous" }
    - { role: ceph-iscsi-gw, when: "ceph_release_num[ceph_release] >= ceph_release_num.luminous" }
  post_tasks:
    - name: set ceph iscsi gw install 'Complete'
      run_once: true
      set_stats:
        data:
          installer_phase_ceph_iscsi_gw:
            status: "Complete"
            end: "{{ lookup('pipe', 'date +%Y%m%d%H%M%SZ') }}"

- hosts: mons
  gather_facts: false
  become: True
  tasks:
    - name: get ceph status from the first monitor
      command: docker exec ceph-mon-{{ hostvars[groups[mon_group_name][0]]['ansible_hostname'] }} ceph --cluster {{ cluster }} -s
      register: ceph_status
      changed_when: false
      delegate_to: "{{ groups['mons'][0] }}"
      run_once: true
      ignore_errors: true # we skip the error if mon_group_name is different than 'mons'

    - name: "show ceph status for cluster {{ cluster }}"
      debug:
        msg: "{{ ceph_status.stdout_lines }}"
      delegate_to: "{{ groups['mons'][0] }}"
      run_once: true
      when: not ceph_status.failed