ansible/test/integration/targets/rds_instance/tasks/test_read_replica.yml

---
  - block:

      - name: set the two regions for the source DB and the replica
        set_fact:
          region_src: "{{ aws_region }}"
          region_dest: "us-east-2"

      - name: set up aws connection info
        set_fact:
          aws_connection_info: &aws_connection_info
            aws_access_key: "{{ aws_access_key }}"
            aws_secret_key: "{{ aws_secret_key }}"
            security_token: "{{ security_token }}"
        no_log: yes

      - name: Ensure the resource doesn't exist
        rds_instance:
          id: "{{ instance_id }}"
          state: absent
          skip_final_snapshot: True
          region: "{{ region_src }}"
          <<: *aws_connection_info
        register: result

      - assert:
          that:
            - not result.changed
        ignore_errors: yes

      - name: Create a source DB instance
        rds_instance:
          id: "{{ instance_id }}"
          state: present
          engine: mysql
          backup_retention_period: 1
          username: "{{ username }}"
          password: "{{ password }}"
          db_instance_class: "{{ db_instance_class }}"
          allocated_storage: "{{ allocated_storage }}"
          region: "{{ region_src }}"
          <<: *aws_connection_info
        register: source_db

      - assert:
          that:
            - source_db.changed
            - "source_db.db_instance_identifier == '{{ instance_id }}'"

      - name: Create a read replica in a different region
        rds_instance:
          id: "{{ instance_id }}-replica"
          state: present
          source_db_instance_identifier: "{{ source_db.db_instance_arn }}"
          engine: mysql
          username: "{{ username }}"
          password: "{{ password }}"
          read_replica: True
          db_instance_class: "{{ db_instance_class }}"
          allocated_storage: "{{ allocated_storage }}"
          region: "{{ region_dest }}"
          <<: *aws_connection_info
        register: result

      - name: Test idempotence with a read replica
        rds_instance:
          id: "{{ instance_id }}-replica"
          state: present
          source_db_instance_identifier: "{{ source_db.db_instance_arn }}"
          engine: mysql
          username: "{{ username }}"
          password: "{{ password }}"
          db_instance_class: "{{ db_instance_class }}"
          allocated_storage: "{{ allocated_storage }}"
          region: "{{ region_dest }}"
          <<: *aws_connection_info
        register: result

      - assert:
          that:
            - not result.changed

      - name: Test idempotence with read_replica=True
        rds_instance:
          id: "{{ instance_id }}-replica"
          state: present
          read_replica: True
          source_db_instance_identifier: "{{ source_db.db_instance_arn }}"
          engine: mysql
          username: "{{ username }}"
          password: "{{ password }}"
          db_instance_class: "{{ db_instance_class }}"
          allocated_storage: "{{ allocated_storage }}"
          region: "{{ region_dest }}"
          <<: *aws_connection_info
        register: result

      - name: Promote the read replica
        rds_instance:
          id: "{{ instance_id }}-replica"
          state: present
          read_replica: False
          region: "{{ region_dest }}"
          <<: *aws_connection_info
        register: result

      - assert:
          that:
            - result.changed

      - name: Test idempotence
        rds_instance:
          id: "{{ instance_id }}-replica"
          state: present
          read_replica: False
          region: "{{ region_dest }}"
          <<: *aws_connection_info
        register: result

      - assert:
          that:
            - not result.changed

    always:

      - name: Remove the DB instance
        rds_instance:
          id: "{{ instance_id }}"
          state: absent
          skip_final_snapshot: True
          region: "{{ region_src }}"
          <<: *aws_connection_info

      - name: Remove the DB replica
        rds_instance:
          id: "{{ instance_id }}-replica"
          state: absent
          skip_final_snapshot: True
          region: "{{ region_dest }}"
          <<: *aws_connection_info