---
# Tasks required by 10-quay-deploy.adoc.
- name: Prepare registry VM to run Quay services.
  hosts: registry.ocp4.example.com
  gather_subset: min
  tasks:
    - name: Ensure firewall allows HTTP/HTTPS.
      become: yes
      ansible.posix.firewalld:
        immediate: yes
        permanent: yes
        zone: public
        service: "{{ item }}"
        state: enabled
      loop:
        - http
        - https

    - name: Ensure unpriv users can open ports from 80 onwards.
      become: yes
      ansible.posix.sysctl:
        name: net.ipv4.ip_unprivileged_port_start
        value: "80"
        state: present
        sysctl_file: /etc/sysctl.d/quay-low-ports.conf
        reload: yes

    - name: Ensure user quay exists.
      become: yes
      ansible.builtin.user:
        name: quay
        create_home: yes
        state: present

    - name: Have the quay user accept student's SSH key.
      become: yes
      ansible.posix.authorized_key:
        key: "{{ lookup('ansible.builtin.file', '/home/student/.ssh/lab_rsa.pub') }}"
        user: quay
        state: present

    - name: Ensure user quay will linger.
      become: yes
      ansible.builtin.command:
        cmd: loginctl enable-linger quay
        creates: /var/lib/systemd/linger/quay

    - name: Ensure PG data directory is there.
      become: yes
      ansible.builtin.file:
        path: /local/quay-pg
        mode: 0770
        owner: quay
        group: quay
        state: directory

    - name: Ensure .docker directory is there
      become: yes
      ansible.builtin.file:
        path: "/home/quay/.docker"
        mode: 0700
        owner: quay
        group: quay
        state: directory

    # TODO: figure out how to customise this with registry host changes
    - name: Ensure podman will be able to log into the upstream registry
      become: yes
      ansible.builtin.copy:
        dest: "/home/quay/.docker/config.json"
        content: |
          {"auths":{"registry.redhat.io":{"auth":"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"}}}
        mode: 0600
        owner: quay
        group: quay

- name: Configure containers and their environment on registry VM.
  hosts: registry.ocp4.example.com
  gather_subset: min
  remote_user: quay
  tasks:
    - name: Create a podman network, if necessary.
      containers.podman.podman_network:
        name: quay
        state: present

    - name: Pull all the images if necessary.
      containers.podman.podman_image:
        name: "{{ registry_host }}/{{ item }}"
        pull: yes
        state: present
      loop:
        - rhel9/postgresql-15:latest
        - rhel9/redis-7:latest

    # TODO: recursive!
    - name: Ensure PG datadir is owned by the correct user.
      become_method: containers.podman.podman_unshare
      become: yes
      ansible.builtin.file:
        path: /local/quay-pg
        state: directory
        owner: 26
        mode: 0770

    - name: Start postgres container if necessary.
      containers.podman.podman_container:
        name: postgresql
        image: "{{ registry_host }}/rhel9/postgresql-15:latest"
        rm: yes
        detach: yes
        env:
          POSTGRESQL_USER: quay
          POSTGRESQL_PASSWORD: secret
          POSTGRESQL_DATABASE: quay
          POSTGRESQL_ADMIN_PASSWORD: verysecret
        network:
          - quay
        volumes:
          - /local/quay-pg:/var/lib/pgsql/data:Z
        state: started
      register: pg_started

    - name: Wait for the PostgreSQL container to become ready if it was changed in any way.
      containers.podman.podman_container_info:
        name: postgresql
      when: pg_started.changed
      register: pg_info
      until: pg_info.containers[0].State.Running
      retries: 12
      delay: 5

    - name: Wait for the server inside container to start up.
      containers.podman.podman_container_exec:
        name: postgresql
        command: 'psql -d quay -U postgres -c "SELECT 1"'
      when: pg_started.changed
      changed_when: no
      register: pg_rdy
      until: pg_rdy.rc == 0
      retries: 10
      delay: 3

    - name: Create the trigram extension if necessary.
      containers.podman.podman_container_exec:
        name: postgresql
        command: 'psql -d quay -U postgres -c "CREATE EXTENSION IF NOT EXISTS pg_trgm"'
      register: pg_ext
      changed_when:
        - not "already exists" in pg_ext.stderr

    - name: If we started the PG container and created the extension, stop the container now.
      containers.podman.podman_container:
        name: postgresql
        state: stopped
      when:
        - pg_started.changed
        - pg_ext.changed

    - name: Ensure systemd user dir is there.
      ansible.builtin.file:
        path: "{{ ansible_facts['user_dir'] }}/.config/systemd/user"
        state: directory

    - name: Deploy service units.
      ansible.builtin.template:
        dest: "{{ ansible_facts['user_dir'] }}/.config/systemd/user/{{ item }}"
        src: "templates/{{ item }}.j2"
      loop:
        - quay-pg.service
        - quay-redis.service

    - name: Reload systemd.
      ansible.builtin.systemd_service:
        daemon_reload: yes
        scope: user

    - name: Enable services and start them.
      ansible.builtin.systemd_service:
        name: "{{ item }}"
        scope: user
        state: started
        enabled: yes
      loop:
        - quay-pg
        - quay-redis
...