awx-operator/roles/installer/tasks/database_configuration.yml

---
- name: Check for specified PostgreSQL configuration
  k8s_info:
    kind: Secret
    namespace: '{{ meta.namespace }}'
    name: '{{ tower_postgres_configuration_secret }}'
  register: _custom_pg_config_resources
  when: tower_postgres_configuration_secret | length

- name: Check for default PostgreSQL configuration
  k8s_info:
    kind: Secret
    namespace: '{{ meta.namespace }}'
    name: '{{ meta.name }}-postgres-configuration'
  register: _default_pg_config_resources

- name: Check for specified old PostgreSQL configuration secret
  k8s_info:
    kind: Secret
    namespace: '{{ meta.namespace }}'
    name: '{{ tower_old_postgres_configuration_secret }}'
  register: _custom_old_pg_config_resources
  when: tower_old_postgres_configuration_secret | length

- name: Check for default old PostgreSQL configuration
  k8s_info:
    kind: Secret
    namespace: '{{ meta.namespace }}'
    name: '{{ meta.name }}-old-postgres-configuration'
  register: _default_old_pg_config_resources

- name: Set old PostgreSQL configuration
  set_fact:
    # yamllint disable-line rule:line-length
    old_pg_config: '{{ _custom_old_pg_config_resources["resources"] | default([]) | length | ternary(_custom_old_pg_config_resources, _default_old_pg_config_resources) }}'  # noqa 204

- name: Set proper database name when migrating from old deployment
  set_fact:
    database_name: "{{ old_pg_config['resources'][0]['data']['database'] | b64decode }}"
    database_username: "{{ old_pg_config['resources'][0]['data']['username'] | b64decode }}"
  when:
    - old_pg_config['resources'] is defined
    - old_pg_config['resources'] | length

- name: Set PostgreSQL configuration
  set_fact:
    _pg_config: '{{ _custom_pg_config_resources["resources"] | default([]) | length | ternary(_custom_pg_config_resources, _default_pg_config_resources) }}'

- block:
    - name: Create Database configuration
      k8s:
        apply: true
        definition: "{{ lookup('template', 'tower_postgres_secret.yaml.j2') }}"

    - name: Read Database Configuration
      k8s_info:
        kind: Secret
        namespace: '{{ meta.namespace }}'
        name: '{{ meta.name }}-postgres-configuration'
      register: _generated_pg_config_resources
  when: not _pg_config['resources'] | default([]) | length

- name: Set PostgreSQL Configuration
  set_fact:
    pg_config: '{{ _generated_pg_config_resources["resources"] | default([]) | length | ternary(_generated_pg_config_resources, _pg_config) }}'

- name: Check if PostgreSQL statefuset is present
  k8s_info:
    api_version: v1
    kind: StatefulSet
    namespace: '{{ meta.namespace }}'
    name: '{{ meta.name }}-postgres'
  register: _postgres_statefulset_result

- name: Determine if PostgreSQL statefulset must be recreated
  set_fact:
    # yamllint disable-line rule:line-length
    recreate_statefulset: '{{ _postgres_statefulset_result["resources"][0]["metadata"]["labels"]["app.kubernetes.io/managed-by"] | default("") | ternary("False", "True") }}' # noqa 204
  when: _postgres_statefulset_result['resources'] | length

- block:
    - name: Check and scale down deployment
      include_tasks: check_and_scale_down_deployment.yml

    - name: Delete PostgreSQL statefulset to ensure expected labels
      k8s:
        state: absent
        api_version: v1
        kind: StatefulSet
        namespace: '{{ meta.namespace }}'
        name: '{{ meta.name }}-postgres'
        wait: yes
  when: recreate_statefulset is defined and recreate_statefulset|bool

- name: Create Database if no database is specified
  k8s:
    apply: true
    definition: "{{ lookup('template', 'tower_postgres.yaml.j2') }}"
  when:
    - pg_config['resources'][0]['data']['type'] | default('') | b64decode == 'managed' or recreate_statefulset|bool

- name: Store Database Configuration
  set_fact:
    awx_postgres_user: "{{ pg_config['resources'][0]['data']['username'] | b64decode }}"
    awx_postgres_pass: "{{ pg_config['resources'][0]['data']['password'] | b64decode }}"
    awx_postgres_database: "{{ pg_config['resources'][0]['data']['database'] | b64decode }}"
    awx_postgres_port: "{{ pg_config['resources'][0]['data']['port'] | b64decode }}"
    awx_postgres_host: "{{ pg_config['resources'][0]['data']['host'] | b64decode }}"

- name: Look up details for this deployment
  k8s_info:
    api_version: 'v1beta1'  # TODO: How to parameterize this?
    kind: "AWX"  #  TODO: How to parameterize this?
    name: "{{ meta.name }}"
    namespace: "{{ meta.namespace }}"
  register: this_awx

- name: Migrate data from old Openshift instance
  import_tasks: migrate_data.yml
  when:
    - old_pg_config['resources'] is defined
    - old_pg_config['resources'] | length
    - this_awx['resources'][0]['status']['towerMigratedFromSecret'] is not defined