---
- name: Bring up docker containers
  hosts: localhost
  vars: &common_vars
    postgres_barman_directory: "test-postgres-{{ postgres_version }}"
    postgres_barman_server: postgres_barman
    barman_rsync_password: "secret_rsync"
    barman_rsync_allowed_hosts: 172.17.0.0/24
    postgres_allowed_hosts:
      - user: all
        range: 172.17.0.0/24
    postgres_replication_hosts:
      - user: replicator
        range: 172.17.0.0/24
    inventory:
      - name: "{{ postgres_barman_server }}"
        image: "python:3.7-{{ debian_release }}"
      - name: postgres_one
        image: "python:3.7-{{ debian_release }}"
        links:
          - "{{ postgres_barman_server }}"
      - name: postgres_two
        image: "python:3.7-{{ debian_release }}"
        links:
          - "{{ postgres_barman_server }}"
          - postgres_one
      - name: postgres_three
        image: "python:3.7-{{ debian_release }}"
        links:
          - "{{ postgres_barman_server }}"
          - postgres_one
  roles:
    - role: provision_docker
      vars:
        provision_docker_inventory: "{{inventory}}"
        provision_docker_use_docker_connection: true
        ansible_connection: local
        ansible_python_interpreter: "{{ansible_playbook_python}}"
  tasks:
    - name: Group primary
      add_host:
        hostname: "{{item}}"
        groups: primary
        <<: *common_vars
        postgres_clusters:
          - version: "{{ postgres_version }}"
            name: 'main'
            port: 5432
            fsync_enabled: True
            checksums: False
            archive_enabled: True
            barman_directory: "{{ postgres_barman_directory }}"
            users:
              - username: tester
                password: tester
              - username: barman
                password: "secret_cocktail"
                permissions: 'SUPERUSER'
              - username: replicator
                password: "secret_repli"
                permissions: 'REPLICATION'
            databases:
              - dbname: test_database
                owner: tester
                extensions:
                  - description: PostGis
                    apt_deps:
                      - "postgresql-{{ postgres_version }}-postgis-3"
                    names:
                      - postgis
                      - postgis_topology
                      - btree_gist

      with_items:
        - postgres_one
      tags: provision_docker

    - name: Group secondaries
      add_host:
        hostname: "{{item}}"
        groups: secondary
        <<: *common_vars
        postgres_clusters:
          - version: "{{ postgres_version }}"
            name: 'main'
            port: 5432
            fsync_enabled: True
            checksums: False
            archive_enabled: True
            barman_directory: "{{ postgres_barman_directory }}"
            primary:
              host: postgres_one
              port: 5432
              restore_barman_directory: "{{ postgres_barman_directory }}"
              replication_user: "replicator"
              replication_password: "secret_repli"

      with_items:
        - postgres_two
        - postgres_three
      tags: provision_docker

    - name: Group db-all
      add_host:
        hostname: "{{item}}"
        groups: db-all
      with_items:
        - postgres_one
        - postgres_two
        - postgres_three
      tags: provision_docker

    - name: Group barman
      add_host:
        hostname: "{{item}}"
        groups: barman
        <<: *common_vars
        barman_databases:
          - name: "{{ postgres_barman_directory }}"
            description: 'Main database'
            primary_host: postgres_one
            postgres_barman_password: "secret_cocktail"
            backup_method: rsync
            standby_hosts: "{{ groups['db-all'][1:] }}"
            retention_policy: 'RECOVERY WINDOW OF 7 DAYS'
      with_items:
        - postgres_barman
      tags: provision_docker

- name: Test installing Postgresql role
  hosts: primary:secondary
  connection: docker
  vars:
    postgres_listen_addresses: ["{{ hostvars[inventory_hostname].ansible_default_ipv4.address }}"]
  pre_tasks: &pre_tasks
    - name: "Build hosts file"
      shell: 'echo "{{ hostvars[inventory_hostname].ansible_default_ipv4.address }} {{inventory_hostname}}" >> /etc/hosts'
      when: hostvars[inventory_hostname].ansible_default_ipv4.address is defined

    - debug: msg="Running on host {{inventory_hostname}} ({{ hostvars[inventory_hostname].ansible_default_ipv4.address }})"
  roles:
    - { role: ansible-postgresql-role, tags: ['postgres'] }
  tasks:
    - name: Start postgres cluster
      service: name=postgresql state=started

    - name: Test connection to Postgres instances.
      become: true
      become_user: postgres
      become_method: su
      command: psql --port=5432 --command='select NOW()'


- name: Test installing Barman role
  hosts: barman
  connection: docker
  vars: {}
  pre_tasks: *pre_tasks
  roles:
    - { role: barman, tags: ['barman'] }

- name: Test running Postgresql role when database is started
  connection: docker
  hosts: primary:secondary
  vars:
    postgres_listen_addresses: ["{{ hostvars[inventory_hostname].ansible_default_ipv4.address }}"]
  pre_tasks: *pre_tasks
  roles:
    - { role: ansible-postgresql-role, tags: ['postgres'] }