# Collect the facts from the overcloud nodes but ignore unreachable
# nodes in the case of a dead node which needs to be part of the
# scale-down operation.
- import_playbook: common_deploy_steps_playbooks.yaml
  vars:
    deploy_source_host: "Undercloud"
    deploy_target_host: "overcloud"

- hosts: overcloud
  name: Scaling
  # NOTE(cloudnull): This is set to true explicitly so that we have up-to-date facts
  #                  on all overcloud when performing a scaling operation.
  #                  Without up-to-date facts, we're creating a potential failure
  #                  scenario.
  gather_facts: true
  ignore_unreachable: true
  become: false
  vars:
    bootstrap_server_id: no_bootstrap_server
    deploy_identifier: 1780905297
    enable_debug: False
    enable_puppet: True
    container_cli: podman
    container_log_stdout_path: /var/log/containers/stdouts
    docker_puppet_debug: True
    docker_puppet_process_count: 6
    docker_puppet_mount_host_puppet: True
  tasks:
    # Only run the scale tasks on the nodes that are alive.
    # We expect the tasks to work on the nodes that are alive.
    # If a task is allowed to fail, it needs to be configured at
    # the task definition level but not here.
    - include_tasks: scale_steps_tasks.yaml
      with_sequence: start=1 end=1
      loop_control:
        loop_var: step
      tags: always
      # we use ansible_facts['hostname'] to determine if the host is alive
      # or not.
      when: ansible_facts['hostname'] is defined
    # We don't want to run the scale tasks on dead nodes, to allow
    # the operator to scale down the cloud no matter the state of
    # the servers.
    # However, we notify the operator if the node wasn't reachable.
    # Using fail and not debug module to make it more visible
    # in the logs.
    - fail:
        msg: "Node is unreachable. No scale tasks will be run."
      ignore_errors: True
      tags: always
      # we use ansible_facts['hostname'] to determine if the host is alive
      # or not.
      when: ansible_facts['hostname'] is not defined
  tags:
    - scale