---
- name: Fetch latest Slurm backups from nodes to pvef
  hosts: slurm_cluster
  become: true
  gather_facts: false

  vars:
    remote_backup_base: /var/backups/slurm
    local_backup_base: "{{ playbook_dir }}/../../artifacts/backups"

  tasks:
    - name: Find latest remote backup directory
      ansible.builtin.shell: |
        set -euo pipefail
        ls -1dt {{ remote_backup_base }}/* | head -n 1
      args:
        executable: /bin/bash
      register: latest_backup_dir
      changed_when: false

    - name: Create local backup directory on pvef
      ansible.builtin.file:
        path: "{{ local_backup_base }}/{{ inventory_hostname }}"
        state: directory
        mode: "0700"
      delegate_to: localhost
      become: false

    - name: Archive latest backup directory on remote node
      ansible.builtin.archive:
        path: "{{ latest_backup_dir.stdout }}"
        dest: "/tmp/{{ inventory_hostname }}-slurm-backup.tgz"
        format: gz
        force_archive: true
      changed_when: true

    - name: Fetch archive to pvef
      ansible.builtin.fetch:
        src: "/tmp/{{ inventory_hostname }}-slurm-backup.tgz"
        dest: "{{ local_backup_base }}/{{ inventory_hostname }}/"
        flat: true

    - name: Remove temporary remote archive
      ansible.builtin.file:
        path: "/tmp/{{ inventory_hostname }}-slurm-backup.tgz"
        state: absent