ceph-ansible/infrastructure-playbooks/cephadm.yml

---
- name: Gather facts and prepare system for cephadm
  hosts:
    - "{{ mon_group_name|default('mons') }}"
    - "{{ osd_group_name|default('osds') }}"
    - "{{ mds_group_name|default('mdss') }}"
    - "{{ rgw_group_name|default('rgws') }}"
    - "{{ mgr_group_name|default('mgrs') }}"
    - "{{ rbdmirror_group_name|default('rbdmirrors') }}"
    - "{{ nfs_group_name|default('nfss') }}"
    - "{{ monitoring_group_name|default('monitoring') }}"
  become: true
  gather_facts: false
  vars:
    delegate_facts_host: true
  tasks:
    - name: Import ceph-defaults role
      ansible.builtin.import_role:
        name: ceph-defaults

    - name: Validate if monitor group doesn't exist or empty
      ansible.builtin.fail:
        msg: "you must add a [mons] group and add at least one node."
      run_once: true
      when: groups[mon_group_name] is undefined or groups[mon_group_name] | length == 0

    - name: Validate if manager group doesn't exist or empty
      ansible.builtin.fail:
        msg: "you must add a [mgrs] group and add at least one node."
      run_once: true
      when: groups[mgr_group_name] is undefined or groups[mgr_group_name] | length == 0

    - name: Validate dashboard configuration
      when: dashboard_enabled | bool
      run_once: true
      block:
        - name: Fail if [monitoring] group doesn't exist or empty
          ansible.builtin.fail:
            msg: "you must add a [monitoring] group and add at least one node."
          when: groups[monitoring_group_name] is undefined or groups[monitoring_group_name] | length == 0

        - name: Fail when dashboard_admin_password is not set
          ansible.builtin.fail:
            msg: "you must set dashboard_admin_password."
          when: dashboard_admin_password is undefined

    - name: Validate container registry credentials
      ansible.builtin.fail:
        msg: 'ceph_docker_registry_username and/or ceph_docker_registry_password variables need to be set'
      when:
        - ceph_docker_registry_auth | bool
        - (ceph_docker_registry_username is not defined or ceph_docker_registry_password is not defined) or
          (ceph_docker_registry_username | length == 0 or ceph_docker_registry_password | length == 0)

    - name: Gather facts
      ansible.builtin.setup:
        gather_subset:
          - 'all'
          - '!facter'
          - '!ohai'
      when: not delegate_facts_host | bool

    - name: Gather and delegate facts
      ansible.builtin.setup:
        gather_subset:
          - 'all'
          - '!facter'
          - '!ohai'
      delegate_to: "{{ item }}"
      delegate_facts: true
      with_items: "{{ groups['all'] }}"
      run_once: true
      when: delegate_facts_host | bool

    - name: Import ceph-facts role
      ansible.builtin.import_role:
        name: ceph-facts
        tasks_from: container_binary.yml

    - name: Check if it is atomic host
      ansible.builtin.stat:
        path: /run/ostree-booted
      register: stat_ostree

    - name: Set_fact is_atomic
      ansible.builtin.set_fact:
        is_atomic: "{{ stat_ostree.stat.exists }}"

    - name: Import ceph-container-engine role
      ansible.builtin.import_role:
        name: ceph-container-engine

    - name: Import ceph-container-common role
      ansible.builtin.import_role:
        name: ceph-container-common
        tasks_from: registry.yml
      when: ceph_docker_registry_auth | bool

    - name: Configure repository for installing cephadm
      vars:
        ceph_origin: repository
        ceph_repository: community
      block:
        - name: Validate repository variables
          ansible.builtin.import_role:
            name: ceph-validate
            tasks_from: check_repository.yml

        - name: Configure repository
          ansible.builtin.import_role:
            name: ceph-common
            tasks_from: "configure_repository.yml"

    - name: Install cephadm requirements
      ansible.builtin.package:
        name: ['python3', 'lvm2']
      register: result
      until: result is succeeded

    - name: Install cephadm
      ansible.builtin.package:
        name: cephadm
      register: result
      until: result is succeeded

    - name: Set_fact cephadm_cmd
      ansible.builtin.set_fact:
        cephadm_cmd: "cephadm {{ '--docker' if container_binary == 'docker' else '' }}"

- name: Bootstrap the cluster
  hosts: "{{ mon_group_name|default('mons') }}[0]"
  become: true
  gather_facts: false
  tasks:
    - name: Import ceph-defaults role
      ansible.builtin.import_role:
        name: ceph-defaults

    - name: Import ceph-facts role
      ansible.builtin.import_role:
        name: ceph-facts
        tasks_from: set_monitor_address.yml

    - name: Create /etc/ceph directory
      ansible.builtin.file:
        path: /etc/ceph
        state: directory
        mode: "0755"

    - name: Bootstrap the new cluster
      cephadm_bootstrap:
        mon_ip: "{{ _monitor_addresses[inventory_hostname] }}"
        image: "{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
        docker: "{{ true if container_binary == 'docker' else false }}"
        pull: false
        dashboard: "{{ dashboard_enabled }}"
        dashboard_user: "{{ dashboard_admin_user if dashboard_enabled | bool else omit }}"
        dashboard_password: "{{ dashboard_admin_password if dashboard_enabled | bool else omit }}"
        monitoring: false
        firewalld: "{{ configure_firewall }}"
        ssh_user: "{{ cephadm_ssh_user | default('root') }}"
        ssh_config: "{{ cephadm_ssh_config | default(omit) }}"

    - name: Set default container image in ceph configuration
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} config set global container_image {{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Set container image base in ceph configuration
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} config set mgr mgr/cephadm/container_image_base {{ ceph_docker_registry }}/{{ ceph_docker_image }}"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Set dashboard container image in ceph mgr configuration
      when: dashboard_enabled | bool
      block:
        - name: Set alertmanager container image in ceph configuration
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} config set mgr mgr/cephadm/container_image_alertmanager {{ alertmanager_container_image }}"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Set grafana container image in ceph configuration
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} config set mgr mgr/cephadm/container_image_grafana {{ grafana_container_image }}"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Set node-exporter container image in ceph configuration
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} config set mgr mgr/cephadm/container_image_node_exporter {{ node_exporter_container_image }}"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Set prometheus container image in ceph configuration
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} config set mgr mgr/cephadm/container_image_prometheus {{ prometheus_container_image }}"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

- name: Add the other nodes
  hosts:
    - "{{ mon_group_name|default('mons') }}"
    - "{{ osd_group_name|default('osds') }}"
    - "{{ mds_group_name|default('mdss') }}"
    - "{{ rgw_group_name|default('rgws') }}"
    - "{{ mgr_group_name|default('mgrs') }}"
    - "{{ rbdmirror_group_name|default('rbdmirrors') }}"
    - "{{ nfs_group_name|default('nfss') }}"
    - "{{ monitoring_group_name|default('monitoring') }}"
  become: true
  gather_facts: false
  tasks:
    - name: Import ceph-defaults role
      ansible.builtin.import_role:
        name: ceph-defaults

    - name: Get the cephadm ssh pub key
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} cephadm get-pub-key"
      changed_when: false
      run_once: true
      register: cephadm_pubpkey
      delegate_to: '{{ groups[mon_group_name][0] }}'
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Allow cephadm key
      ansible.posix.authorized_key:
        user: "{{ cephadm_ssh_user | default('root') }}"
        key: '{{ cephadm_pubpkey.stdout }}'

    - name: Run cephadm prepare-host
      ansible.builtin.command: cephadm prepare-host
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Manage nodes with cephadm - ipv4
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch host add {{ ansible_facts['hostname'] }} {{ ansible_facts['all_ipv4_addresses'] | ips_in_ranges(public_network.split(',')) | first }} {{ group_names | join(' ') }} {{ '_admin' if mon_group_name | default('mons') in group_names else '' }}"
      changed_when: false
      delegate_to: '{{ groups[mon_group_name][0] }}'
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
      when: ip_version == 'ipv4'

    - name: Manage nodes with cephadm - ipv6
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch host add {{ ansible_facts['hostname'] }} {{ ansible_facts['all_ipv6_addresses'] | ips_in_ranges(public_network.split(',')) | last | ansible.utils.ipwrap }} {{ group_names | join(' ') }} {{ '_admin' if mon_group_name | default('mons') in group_names else '' }}"
      changed_when: false
      delegate_to: '{{ groups[mon_group_name][0] }}'
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'
      when: ip_version == 'ipv6'

    - name: Add ceph label for core component
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch host label add {{ ansible_facts['hostname'] }} ceph"
      changed_when: false
      delegate_to: '{{ groups[mon_group_name][0] }}'
      when: inventory_hostname in groups.get(mon_group_name, []) or
            inventory_hostname in groups.get(osd_group_name, []) or
            inventory_hostname in groups.get(mds_group_name, []) or
            inventory_hostname in groups.get(rgw_group_name, []) or
            inventory_hostname in groups.get(mgr_group_name, []) or
            inventory_hostname in groups.get(rbdmirror_group_name, [])
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

- name: Adjust service placement
  hosts: "{{ mon_group_name|default('mons') }}[0]"
  become: true
  gather_facts: false
  tasks:
    - name: Import ceph-defaults role
      ansible.builtin.import_role:
        name: ceph-defaults

    - name: Update the placement of monitor hosts
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply mon --placement='label:{{ mon_group_name }}'"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Waiting for the monitor to join the quorum...
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} quorum_status --format json"
      changed_when: false
      register: ceph_health_raw
      until: (ceph_health_raw.stdout | from_json)["quorum_names"] | length == groups.get(mon_group_name, []) | length
      retries: "{{ health_mon_check_retries }}"
      delay: "{{ health_mon_check_delay }}"
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Update the placement of manager hosts
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply mgr --placement='label:{{ mgr_group_name }}'"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Update the placement of crash hosts
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply crash --placement='label:ceph'"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Update the placement of ceph-exporter hosts
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply ceph-exporter --placement='label:ceph'"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

- name: Adjust monitoring service placement
  hosts: "{{ monitoring_group_name|default('monitoring') }}"
  become: true
  gather_facts: false
  tasks:
    - name: Import ceph-defaults
      ansible.builtin.import_role:
        name: ceph-defaults

    - name: With dashboard enabled
      when: dashboard_enabled | bool
      delegate_to: '{{ groups[mon_group_name][0] }}'
      run_once: true
      block:
        - name: Enable the prometheus module
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} mgr module enable prometheus"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Update the placement of alertmanager hosts
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply alertmanager --placement='label:{{ monitoring_group_name }}'"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Update the placement of grafana hosts
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply grafana --placement='label:{{ monitoring_group_name }}'"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Update the placement of prometheus hosts
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply prometheus --placement='label:{{ monitoring_group_name }}'"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

        - name: Update the placement of node-exporter hosts
          ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch apply node-exporter --placement='*'"
          changed_when: false
          environment:
            CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

- name: Print information
  hosts: "{{ mon_group_name|default('mons') }}[0]"
  become: true
  gather_facts: false
  tasks:
    - name: Import ceph-defaults
      ansible.builtin.import_role:
        name: ceph-defaults

    - name: Show ceph orchestrator services
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch ls --refresh"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Show ceph orchestrator daemons
      ansible.builtin.command: "{{ cephadm_cmd }} shell -- ceph --cluster {{ cluster }} orch ps --refresh"
      changed_when: false
      environment:
        CEPHADM_IMAGE: '{{ ceph_docker_registry }}/{{ ceph_docker_image }}:{{ ceph_docker_image_tag }}'

    - name: Inform users about cephadm
      ansible.builtin.debug:
        msg: |
          This Ceph cluster is now ready to receive more configuration like
          adding OSD, MDS daemons, create pools or keyring.
          You can do this by using the cephadm CLI and you don't need to use
          ceph-ansible playbooks anymore.