ovh_instance_playbooks/roles/role_deploy_grafana/tasks/main.yml

---
- name: Check if install from backup is already done
  stat:
    path: /mnt/volumes/install_states/grafana_installed
  register: grafana_installed_flag

- name: Create volumes directories
  ansible.builtin.file:
    path: "/mnt/volumes/{{ item }}"
    state: directory
    mode: '0755'
  become: true
  with_items:
    - etc_grafana
    - var_lib_grafana
    - var_log_grafana
  when: not grafana_installed_flag.stat.exists

- name: Create volumes data directories
  ansible.builtin.file:
    path: "/mnt/volumes/{{ item.name }}/data"
    state: directory
    owner: "{{ item.user }}"
    group: "{{ item.user }}"
    mode: '0755'
  become: true
  with_items:
    - name: etc_grafana
      user: root
    - name: var_lib_grafana
      user: 472
    - name: var_log_grafana
      user: 472
  when: not grafana_installed_flag.stat.exists

- name: change ownership of duplicity working directories
  ansible.builtin.file:
    path: "{{ item }}"
    owner: "{{ LINUX_USERNAME }}"
    group: "{{ LINUX_USERNAME }}"
  become: true
  with_items:
    - "{{ DUPLICITY_WORKDIR }}"
    - "{{ DUPLICITY_ARCHIVE_DIR }}"
  when: not grafana_installed_flag.stat.exists

- name: restore volume backup
  ansible.builtin.command:
    cmd: "duplicity restore --archive-dir {{ DUPLICITY_ARCHIVE_DIR }} --name {{ item }} swift://{{ item }} /mnt/volumes/{{ item }}/data"
  environment:
    SWIFT_USERNAME: "{{ OS_USERNAME }}"
    SWIFT_PASSWORD: "{{ OS_PASSWORD }}"
    SWIFT_AUTHURL: "{{ OS_AUTH_URL }}"
    SWIFT_REGIONNAME: "{{ SWIFT_REGIONNAME }}"
    SWIFT_TENANTNAME: "{{ OS_TENANT_NAME }}"
    SWIFT_AUTHVERSION: "{{ OS_IDENTITY_API_VERSION }}"
    PASSPHRASE: "{{ DUPLICITY_PASSPHRASE}}"
    # /usr/bin/duplicity uses "-s" python argument to prevent loading modules from user's python directory,
    # this variable will override that.
    PYTHONPATH: ".local/lib/python3.9/site-packages"
  register: duplicity_result
  become: true
  with_items:
    - etc_grafana
    - var_lib_grafana
    - var_log_grafana
  failed_when: duplicity_result is failed and (duplicity_result.rc is not defined or duplicity_result.rc != 11)
  changed_when: duplicity_result.rc is defined and duplicity_result.rc == 0
  when: not grafana_installed_flag.stat.exists

- name: Create podman networks
  containers.podman.podman_network:
    name: "{{ item }}"
  become: true
  with_items:
    - reverse-proxy
    - mysqlnet
  when: not grafana_installed_flag.stat.exists

- name: Create grafana container
  containers.podman.podman_container:
    name: grafana
    image: docker.io/grafana/grafana:10.2.4
    network:
      - reverse-proxy
      - mysqlnet
    expose: 
      - "3000/tcp"
    volume:
      - /mnt/volumes/var_lib_grafana/data:/var/lib/grafana:Z
      - /mnt/volumes/etc_grafana/data:/etc/grafana:Z
      - /mnt/volumes/var_log_grafana/data:/var/log/grafana:Z
  become: true
  when: not grafana_installed_flag.stat.exists

- name: Add cloud.{{ DOMAIN }} to /etc/hosts
  ansible.builtin.lineinfile:
    path: "/etc/hosts"
    line: "127.0.0.1       grafana.{{ DOMAIN }}       grafana"
  become: true
  when: not grafana_installed_flag.stat.exists

# A local volume is needed to store install states
- name: Create /mnt/volumes/install_states directory if it does not exist
  ansible.builtin.file:
    path: "/mnt/volumes/install_states"
    state: directory
    mode: '0755'
  become: true
  when: not grafana_installed_flag.stat.exists

- name: Create grafana_installed state file
  ansible.builtin.file:
    path: "/mnt/volumes/install_states/grafana_installed"
    state: touch
    mode: '0755'
  become: true
  when: not grafana_installed_flag.stat.exists