ansible_fencl/update_immich.yml

# update_immich.yml

- name: Update Immich on VM via Proxmox
  hosts: linux_servers
  gather_facts: false
  become: true
  become_user: root
  become_method: sudo

  vars:
    # --- Connection to VM (provided by Semaphore env vars) ---
    vm_ip:   "{{ lookup('env', 'VM_IP') }}"
    vm_user: "{{ lookup('env', 'VM_USER') }}"
    vm_pass: "{{ lookup('env', 'VM_PASS') }}"
    use_sudo: false

    # --- Debug mode (controlled via Semaphore variable) ---
    DEBUG: "{{ lookup('env', 'DEBUG') | default(0) | int }}"
    RETRIES: "{{ lookup('env', 'RETRIES') | default(25) | int }}"

    # --- Immich specifics ---
    immich_project: "immich"

    # Where compose file lives on the VM
    immich_compose_dir: "/opt/immich"
    immich_compose_file: "{{ immich_compose_dir }}/docker-compose.yml"

    # Official Immich compose URL (latest release)
    immich_compose_url: "https://github.com/immich-app/immich/releases/latest/download/docker-compose.yml"

    immich_port: 2283

    # Optional external URL for controller-side readiness check
    # Default to https://photos.martinfencl.eu/photos if IMMICH_URL is not set
    immich_url: "{{ lookup('env', 'IMMICH_URL') | default('https://photos.martinfencl.eu/photos', true) }}"

    immich_retries: "{{ RETRIES }}"
    immich_delay: 2

    # Docker command prefix (consistent behavior and quiet hints)
    docker_prefix: "unalias docker 2>/dev/null || true; DOCKER_CLI_HINTS=0; command docker"

    # Commands to run on the target VM (quiet outputs)
    # 1) Download latest docker-compose.yml from GitHub (with backup)
    # 2) Pull images according to compose
    # 3) Start / update stack
    immich_commands:
      - "cd {{ immich_compose_dir }} && wget -qO docker-compose.yml.new {{ immich_compose_url }} || true; if [ -s docker-compose.yml.new ]; then echo 'Downloaded new docker-compose.yml from GitHub (Immich latest).'; if [ -f docker-compose.yml ]; then cp docker-compose.yml docker-compose.yml.bak-$(date +%F_%H-%M-%S); echo 'Existing docker-compose.yml backed up.'; fi; mv docker-compose.yml.new docker-compose.yml; else echo 'WARNING: Failed to download a valid docker-compose.yml, keeping existing one.' >&2; rm -f docker-compose.yml.new 2>/dev/null || true; fi"
      - "{{ docker_prefix }} compose -p {{ immich_project }} -f {{ immich_compose_file }} pull >/dev/null"
      - "{{ docker_prefix }} compose -p {{ immich_project }} -f {{ immich_compose_file }} up -d --remove-orphans --force-recreate >/dev/null"
      # - "{{ docker_prefix }} compose -p {{ immich_project }} -f {{ immich_compose_file }} up -d --remove-orphans >/dev/null"


  tasks:
    - name: Ensure sshpass is installed (for password-based SSH)  # English comments
      ansible.builtin.apt:
        name: sshpass
        state: present
        update_cache: yes

    - name: Run Immich update commands on VM (via SSH)  # use SSHPASS env, hide item value
      ansible.builtin.command:
        argv:
          - sshpass
          - -e
          - ssh
          - -o
          - StrictHostKeyChecking=no
          - -o
          - ConnectTimeout=15
          - "{{ vm_user }}@{{ vm_ip }}"
          - bash
          - -lc
          - "{{ ('sudo ' if use_sudo else '') + item }}"
      environment:
        SSHPASS: "{{ vm_pass }}"
      loop: "{{ immich_commands }}"
      loop_control:
        index_var: idx
        label: "cmd-{{ idx }}"
      register: immich_cmds
      changed_when: false
      no_log: "{{ DEBUG == 0 }}"
      run_once: true   # <<< přidat

    - name: Show outputs for each Immich command
      ansible.builtin.debug:
        msg: |
          CMD: {{ item.item }}
          RC:  {{ item.rc }}
          STDOUT:
          {{ (item.stdout | default('')).strip() }}
          STDERR:
          {{ (item.stderr | default('')).strip() }}
      loop: "{{ immich_cmds.results }}"
      when: DEBUG == 1

    - name: Fail play if any Immich command failed
      ansible.builtin.assert:
        that: "item.rc == 0"
        fail_msg: "Immich update failed on VM: {{ item.item }} (rc={{ item.rc }})"
        success_msg: "All Immich update commands succeeded."
      loop: "{{ immich_cmds.results }}"
      loop_control:
        index_var: idx
        label: "cmd-{{ idx }}"
      run_once: true

    # -------------------------
    # Readiness checks (controller first, then VM fallback)
    # -------------------------

    - name: Immich | Wait for web UI (controller first, with retries)
      ansible.builtin.uri:
        url: "{{ (immich_url | regex_replace('/$','')) + '/' }}"
        method: GET
        return_content: true
        # Validate TLS only when using https://
        validate_certs: "{{ (immich_url | default('')) is match('^https://') }}"
        status_code: 200
      register: immich_controller
      delegate_to: localhost
      run_once: true
      when: immich_url is defined and (immich_url | length) > 0
      retries: "{{ immich_retries }}"
      delay: "{{ immich_delay }}"
      until: immich_controller.status == 200
      failed_when: false          # allow task to finish without failing the play
      changed_when: false

    - name: Immich | VM-side fetch (HTML via Python, with retries)  # use SSHPASS env here too
      ansible.builtin.command:
        argv:
          - sshpass
          - -e
          - ssh
          - -o
          - StrictHostKeyChecking=no
          - -o
          - ConnectTimeout=15
          - "{{ vm_user }}@{{ vm_ip }}"
          - bash
          - -lc
          - |
            python3 - <<'PY'
            # Fetch Immich web UI from localhost and print HTML to stdout
            import urllib.request, sys
            try:
                with urllib.request.urlopen("http://127.0.0.1:{{ immich_port }}/", timeout=15) as r:
                    sys.stdout.write(r.read().decode(errors='ignore'))
            except Exception:
                pass
            PY
      environment:
        SSHPASS: "{{ vm_pass }}"
      register: immich_vm
      changed_when: false
      failed_when: false
      when: immich_controller.status | default(0) != 200 or immich_controller.content is not defined
      retries: "{{ immich_retries }}"
      delay: "{{ immich_delay }}"
      until: (immich_vm.stdout | default('') | trim | length) > 0 and ('Immich' in (immich_vm.stdout | default('')))
      no_log: "{{ DEBUG == 0 }}"

    - name: Immich | Choose homepage HTML (controller wins, else VM)  # safe guard against empty result
      ansible.builtin.set_fact:
        immich_home_html: >-
          {{
            (
              immich_controller.content
              if (immich_controller is defined)
                 and ((immich_controller.status|default(0))==200)
                 and (immich_controller.content is defined)
              else
                 (immich_vm.stdout | default('') | trim)
            )
          }}
      when:
        - (immich_controller is defined and (immich_controller.status|default(0))==200 and (immich_controller.content is defined))
          or ((immich_vm.stdout | default('') | trim | length) > 0)

    - name: Immich | Print concise summary
      ansible.builtin.debug:
        msg: >-
          Immich web UI {{ 'reachable' if (immich_home_html is defined) else 'NOT reachable' }}.
          Source={{ 'controller' if ((immich_controller is defined) and (immich_controller.status|default(0))==200 and (immich_controller.content is defined)) else 'vm' if (immich_vm.stdout|default('')|trim|length>0) else 'n/a' }};
          length={{ (immich_home_html | default('')) | length }};
          contains('Immich')={{ (immich_home_html is defined) and ('Immich' in immich_home_html) }}
      when: DEBUG == 1

    - name: Immich | Web UI unavailable (after retries)
      ansible.builtin.debug:
        msg: "Immich web není dostupný ani po pokusech."
      when: immich_home_html is not defined and DEBUG == 1

    # Optional detailed dump (short excerpt only)
    - name: Immich | HTML excerpt (debug)
      ansible.builtin.debug:
        msg: "{{ (immich_home_html | default(''))[:500] }}"
      when: immich_home_html is defined and DEBUG == 1

    # -------------------------
    # Final assertion: controller URL must be reachable
    # -------------------------

    - name: Immich | Assert controller URL reachable (if configured)
      ansible.builtin.assert:
        that:
          - >
            not (immich_url is defined and (immich_url | length) > 0)
            or
            (
              immich_controller is defined
              and (immich_controller.status | default(0)) == 200
            )
        fail_msg: "Immich controller URL {{ immich_url }} is NOT reachable with HTTP 200 after retries."
        success_msg: "Immich controller URL {{ immich_url }} is reachable with HTTP 200."