tower-ha-failover.yml

---

- name: set fact for for failback flag
  hosts: all:localhost
  gather_facts: no
  pre_tasks:
  - name: set a local fact as boolean
    set_fact:
      _tower_failback: "{{ tower_failback | default(False) | bool }}"

- name: setup inventory to shutdown services
  hosts: localhost
  gather_facts: no
  vars_files: tower-vars.yml
  roles:
  - role: tower_inventory
    tower_inventory_file: "{{ tower_inventory_ha if _tower_failback else tower_inventory_pm  }}"

- import_playbook: tower-stop-services.yml

- name: setup inventory for backup site or primary site in failback
  hosts: localhost
  vars_files: tower-vars.yml
  gather_facts: no
  roles:
  - role: tower_inventory
    tower_inventory_file: "{{ tower_inventory_pm if _tower_failback else tower_inventory_ha  }}"

# when there is no replica, no action will be taken
- import_playbook: tower-pgsql-promote.yml

- name: setup inventory for HA site or primary site in failback and rerun tower installer
  hosts: tower
  vars_files: tower-vars.yml
  vars:
    _tower_eng_failover: "{{ tower_eng_failover | default(False) | bool }}"
  tasks:

  - block:
    - include_role:
        name: tower_install
      vars:
        tower_install_inventory: "{{ ansible_inventory_sources[0] }}"
        tower_install_directory: "{{ tower_installer_current }}"
        tower_install_skip_run: "{{ tower_install_skip }}"
        tower_install_ram_override: "{{ tower_ram_override }}"
    delegate_to: localhost
    run_once: true
    when: not _tower_eng_failover

  - name: shortcut/engineering cluster failover
    block:
    - name: point tower to new master database
      include_role:
        name: tower_db_active

    - name: perform rabbitmq and cluster setup
      include_role:
        name: tower_cluster

    when: _tower_eng_failover
    become: true

- import_playbook: tower-setup-replication.yml

- import_playbook: tower-check-replication.yml