kayobe/ansible/overcloud-provision.yml

---
# Use bifrost to provision the overcloud nodes with a base OS.

- name: Ensure the overcloud nodes are provisioned
  hosts: overcloud
  vars:
    # Set to False to avoid waiting for the nodes to become active.
    wait_active: True
    wait_active_timeout: 600
    wait_active_interval: 10
    # Set to False to avoid waiting for the nodes to be accessible via
    # SSH.
    wait_ssh: True
    wait_ssh_timeout: 600
    # List of states from which we can get to active.
    provisionable_states:
      - enroll
      - manageable
      - available
      - active
    # List of valid states while a node is being provisioned.
    deploying_states:
      # The API is asynchronous, so allow the initial state.
      - available
      - deploying
      - wait call-back
    # List of hosts to limit Bifrost deploy-dynamic.yaml playbook to.
    bifrost_limit: []
    # Retries to use when using Ironic API and hitting node locked errors.
    ironic_retries: 6
    ironic_retry_interval: 5
  gather_facts: no
  tasks:
    - name: Check the ironic node's initial provision state
      command: >
        docker exec bifrost_deploy
        bash -c '. env-vars &&
        export OS_URL=$IRONIC_URL &&
        export OS_TOKEN=$OS_AUTH_TOKEN &&
        export BIFROST_INVENTORY_SOURCE=ironic &&
        ansible baremetal
        --connection local
        --inventory /etc/bifrost/inventory/
        -e @/etc/bifrost/bifrost.yml
        -e @/etc/bifrost/dib.yml
        --limit {{ inventory_hostname }}
        -m command
        -a "openstack baremetal node show {% raw %}{{ inventory_hostname }}{% endraw %} -f value -c provision_state"'        
      register: show_result
      changed_when: False
      # We use this convoluted construct to work around Ansible's limitations
      # in evaluation of the delegate_to keyword.
      delegate_to: "{{ item }}"
      with_items:
        - "{{ hostvars[groups['seed'][0]].ansible_host }}"

    - name: Set a fact containing the ironic node's initial provision state
      set_fact:
        initial_provision_state: "{{ show_result.results[0].stdout_lines[1] }}"

    - name: Fail if the ironic node is in an unexpected provision state
      fail:
        msg: >
          Ironic node for {{ inventory_hostname }} is in an unexpected
          initial provision state: {{ initial_provision_state }}. Expected
          states are: {{ provisionable_states | join(',') }}.          
      when: "{{ initial_provision_state not in provisionable_states }}"

    - name: Ensure the ironic node is manageable
      command: >
        docker exec bifrost_deploy
        bash -c '. env-vars &&
        export BIFROST_INVENTORY_SOURCE=ironic &&
        ansible baremetal -vvvv
        --connection local
        --inventory /etc/bifrost/inventory/
        -e @/etc/bifrost/bifrost.yml
        -e @/etc/bifrost/dib.yml
        --limit {{ inventory_hostname }}
        -m command
        -a "ironic node-set-provision-state {% raw %}{{ inventory_hostname }}{% endraw %} manage"'        
      register: manage_result
      until: "{{ manage_result | success or 'is locked by host' in manage_result.stdout }}"
      retries: "{{ ironic_retries }}"
      delay: "{{ ironic_retry_interval }}"
      when: "{{ initial_provision_state == 'enroll' }}"
      delegate_to: "{{ item }}"
      with_items:
        - "{{ hostvars[groups['seed'][0]].ansible_host }}"

    - name: Ensure the ironic node is available
      command: >
        docker exec bifrost_deploy
        bash -c '. env-vars &&
        export BIFROST_INVENTORY_SOURCE=ironic &&
        ansible baremetal -vvvv
        --connection local
        --inventory /etc/bifrost/inventory/
        -e @/etc/bifrost/bifrost.yml
        -e @/etc/bifrost/dib.yml
        --limit {{ inventory_hostname }}
        -m command
        -a "ironic node-set-provision-state {% raw %}{{ inventory_hostname }}{% endraw %} provide"'        
      register: provide_result
      until: "{{ provide_result | success or 'is locked by host' in provide_result.stdout }}"
      retries: "{{ ironic_retries }}"
      delay: "{{ ironic_retry_interval }}"
      when: "{{ initial_provision_state in ['enroll', 'manageable'] }}"
      delegate_to: "{{ item }}"
      with_items:
        - "{{ hostvars[groups['seed'][0]].ansible_host }}"

    - name: Set a fact containing the bifrost host list
      set_fact:
        bifrost_limit: "{{ bifrost_limit + [item] }}"
      with_items: "{{ play_hosts }}"
      when: "{{ hostvars[item].initial_provision_state != 'active' }}"
      run_once: True

    - name: Ensure the ironic nodes are provisioned
      command: >
        docker exec bifrost_deploy
        bash -c '. env-vars &&
        export BIFROST_INVENTORY_SOURCE=ironic &&
        ansible-playbook -vvvv
        /bifrost/playbooks/deploy-dynamic.yaml
        --inventory /etc/bifrost/inventory/
        -e @/etc/bifrost/bifrost.yml
        -e @/etc/bifrost/dib.yml
        --limit {{ bifrost_limit | join(':') }}'        
      when: "{{ bifrost_limit }}"
      delegate_to: "{{ item }}"
      with_items:
        - "{{ hostvars[groups['seed'][0]].ansible_host }}"
      # We execute this only once, allowing the Bifrost Ansible to handle
      # multiple nodes.
      run_once: True

    - name: Wait for the ironic node to become active
      command: >
        docker exec bifrost_deploy
        bash -c '. env-vars &&
        export OS_URL=$IRONIC_URL &&
        export OS_TOKEN=$OS_AUTH_TOKEN &&
        export BIFROST_INVENTORY_SOURCE=ironic &&
        ansible baremetal
        --connection local
        --inventory /etc/bifrost/inventory/
        -e @/etc/bifrost/bifrost.yml
        -e @/etc/bifrost/dib.yml
        --limit {{ inventory_hostname }}
        -m command
        -a "openstack baremetal node show {% raw %}{{ inventory_hostname }}{% endraw %} -f value -c provision_state"'        
      register: show_result
      # Wait until the node is no longer in one of the deploying states.
      until: "{{ not show_result.stdout_lines[1:] | intersect(deploying_states) }}"
      retries: "{{ wait_active_timeout // wait_active_interval }}"
      delay: "{{ wait_active_interval }}"
      when:
        - "{{ wait_active | bool }}"
        - "{{ initial_provision_state != 'active' }}"
      changed_when: False
      delegate_to: "{{ item }}"
      with_items:
        - "{{ hostvars[groups['seed'][0]].ansible_host }}"

    - name: Set a fact containing the final provision state
      set_fact:
        final_provision_state: "{{ show_result.results[0].stdout_lines[1] }}"
      when:
        - "{{ wait_active | bool }}"
        - "{{ initial_provision_state != 'active' }}"

    - name: Fail if any of the nodes are not available
      fail:
        msg: >
          Ironic node for {{ inventory_hostname }} is in an unexpected
          provision state after provisioning.  Ironic provision state:
          {{ final_provision_state }}. Expected: active.          
      when:
        - "{{ wait_active | bool }}"
        - "{{ initial_provision_state != 'active' }}"
        - "{{ final_provision_state != 'active' }}"

    - name: Wait for SSH access to the nodes
      local_action:
        module: wait_for
        host: "{{ ansible_host }}"
        port: 22
        state: started
        timeout: "{{ wait_ssh_timeout }}"
      when:
        - "{{ wait_ssh | bool }}"