---
- name: Remove storage-level PBS prune policy from pbs storage
  hosts: mini-pc
  gather_facts: false
  tasks:
    - name: Read current PBS storage configuration
      ansible.builtin.command:
        argv:
          - pvesh
          - get
          - /storage/pbs
          - --output-format
          - json
      register: pbs_storage_current_raw
      changed_when: false
      no_log: true

    - name: Parse current PBS storage configuration
      ansible.builtin.set_fact:
        pbs_storage_current: "{{ pbs_storage_current_raw.stdout | from_json }}"
      no_log: true

    - name: Assert current PBS storage is safe to modify
      ansible.builtin.assert:
        that:
          - pbs_storage_current.storage | default('') == 'pbs'
          - pbs_storage_current.type | default('') == 'pbs'
          - pbs_storage_current.digest | default('') | length > 0
        fail_msg: Refusing to modify /storage/pbs because the returned storage metadata is unexpected or missing a digest.
      no_log: true

    - name: Remove storage-level prune policy from PBS storage
      ansible.builtin.command:
        argv:
          - pvesh
          - set
          - /storage/pbs
          - --delete
          - prune-backups
          - --digest
          - "{{ pbs_storage_current.digest }}"
      when: pbs_storage_current.get('prune-backups') is not none
      changed_when: true
      no_log: true

    - name: Read back PBS storage configuration
      ansible.builtin.command:
        argv:
          - pvesh
          - get
          - /storage/pbs
          - --output-format
          - json
      register: pbs_storage_after_raw
      changed_when: false
      no_log: true

    - name: Parse read-back PBS storage configuration
      ansible.builtin.set_fact:
        pbs_storage_after: "{{ pbs_storage_after_raw.stdout | from_json }}"
      no_log: true

    - name: Assert storage-level prune policy is absent
      ansible.builtin.assert:
        that:
          - pbs_storage_after.storage | default('') == 'pbs'
          - pbs_storage_after.type | default('') == 'pbs'
          - pbs_storage_after.get('prune-backups') is none
        fail_msg: Storage-level prune policy still exists on /storage/pbs after the declarative fix.
      no_log: true