- name: Configure Proxmox backup jobs
  hosts: mini-pc
  gather_facts: false
  vars:
    pve_backup_jobs:
      - id: homelab-pbs-daily-cloud
        comment: Daily PBS backup for cloud-pc service containers
        node: cloud-pc
        vmid: 141,145,146,147,149
        storage: pbs
        schedule: "02:10"
        mode: snapshot
        exclude_path: /var/lib/docker/fuse-overlayfs/*/merged
      - id: homelab-pbs-daily-mini
        comment: Daily PBS backup for mini-pc service containers
        node: mini-pc
        vmid: 132,140,142,143,144,150
        storage: pbs
        schedule: "02:40"
        mode: snapshot
        exclude_path: /var/lib/docker/fuse-overlayfs/*/merged
      - id: homelab-local-weekly-pbs
        comment: Weekly local backup for PBS container rootfs/config
        node: cloud-pc
        vmid: 120
        storage: backup
        schedule: "Sun 03:30"
        mode: snapshot
        prune_backups: keep-last=2

  tasks:
    - name: Get existing Proxmox backup jobs
      ansible.builtin.command: pvesh get /cluster/backup --output-format json
      register: pve_backup_jobs_existing_raw
      changed_when: false

    - name: Parse existing Proxmox backup jobs
      ansible.builtin.set_fact:
        pve_backup_jobs_existing: "{{ pve_backup_jobs_existing_raw.stdout | from_json }}"

    - name: Create missing Proxmox backup jobs
      ansible.builtin.command: >-
        pvesh create /cluster/backup
        --id {{ item.id }}
        --enabled 1
        --node {{ item.node }}
        --vmid {{ item.vmid }}
        --storage {{ item.storage }}
        --schedule {{ item.schedule | quote }}
        --mode {{ item.mode }}
        {% if item.prune_backups is defined %}
        --prune-backups {{ item.prune_backups }} --remove 1
        {% else %}
        --remove 0
        {% endif %}
        {% if item.exclude_path is defined %}
        --exclude-path {{ item.exclude_path | quote }}
        {% endif %}
        --notes-template {{ '{{' }}guestname{{ '}}' }}
        --comment {{ item.comment | quote }}
      loop: "{{ pve_backup_jobs }}"
      when: item.id not in (pve_backup_jobs_existing | map(attribute='id') | list)

    - name: Update existing Proxmox backup jobs
      ansible.builtin.command: >-
        pvesh set /cluster/backup/{{ item.id }}
        --enabled 1
        --node {{ item.node }}
        --vmid {{ item.vmid }}
        --storage {{ item.storage }}
        --schedule {{ item.schedule | quote }}
        --mode {{ item.mode }}
        {% if item.prune_backups is defined %}
        --prune-backups {{ item.prune_backups }} --remove 1
        {% else %}
        --delete prune-backups --remove 0
        {% endif %}
        {% if item.exclude_path is defined %}
        --exclude-path {{ item.exclude_path | quote }}
        {% else %}
        --delete exclude-path
        {% endif %}
        --notes-template {{ '{{' }}guestname{{ '}}' }}
        --comment {{ item.comment | quote }}
      loop: "{{ pve_backup_jobs }}"
      vars:
        current_job: >-
          {{ pve_backup_jobs_existing | selectattr('id', 'equalto', item.id) | first }}
      when:
        - item.id in (pve_backup_jobs_existing | map(attribute='id') | list)
        - >-
          current_job.enabled | int != 1 or
          current_job.node != item.node or
          current_job.vmid | string != item.vmid | string or
          current_job.storage != item.storage or
          current_job.schedule != item.schedule or
          current_job.mode != item.mode or
          current_job.comment != item.comment or
          current_job.remove | int != (1 if item.prune_backups is defined else 0) or
          current_job['exclude-path'] | default([]) != ([item.exclude_path] if item.exclude_path is defined else []) or
          (item.prune_backups is not defined and current_job['prune-backups'] is defined) or
          (item.prune_backups is defined and
           (current_job['prune-backups'] | default({})).get('keep-last', 0) | int !=
           item.prune_backups | regex_replace('^keep-last=', '') | int)
      changed_when: true

    - name: Show configured Proxmox backup jobs
      ansible.builtin.command: pvesh get /cluster/backup --output-format yaml
      register: pve_backup_jobs_configured
      changed_when: false

    - name: Print configured Proxmox backup jobs
      ansible.builtin.debug:
        var: pve_backup_jobs_configured.stdout_lines