---
- name: Migrate /prole/logs to iSCSI
  hosts: myrddin.prole.org
  become: true
  vars:
    prole_logs_iscsi_target:
      iqn: "iqn.2000-01.com.synology:synology.Target-1.292d45194a1"
      chap_user: "prole"
      chap_password: "{{ vault_iscsi_prole_password }}"
      mounts:
        - path: /prole/logs/synology
          fstype: ext4
          opts: "_netdev,noatime"
          src: "UUID=5335affd-b1ab-4134-a1c0-be88ab965309"
  tasks:
    - name: Ensure rsync installed
      ansible.builtin.package:
        name: rsync
        state: present

    - name: Ensure staging mountpoint exists
      ansible.builtin.file:
        path: /prole/logs/synology
        state: directory
        mode: "0755"

    - name: Login and mount logs volume at staging path
      ansible.builtin.include_role:
        name: iscsi
      vars:
        iscsi_targets: "{{ [prole_logs_iscsi_target] }}"
        iscsi_absent_mounts: []

    - name: Initial rsync from /prole/logs to staging
      ansible.builtin.command: >
        rsync -aHAX --info=stats2 /prole/logs/ /prole/logs/synology/
      register: rsync_initial
      failed_when: rsync_initial.rc not in [0, 24]

    - name: Stop rsyslog
      ansible.builtin.service:
        name: rsyslog
        state: stopped

    - name: Final rsync after rsyslog stop
      ansible.builtin.command: >
        rsync -aHAX --delete --info=stats2 /prole/logs/ /prole/logs/synology/
      register: rsync_final
      failed_when: rsync_final.rc not in [0, 24]

    - name: Unmount staging logs volume
      ansible.builtin.mount:
        path: /prole/logs/synology
        state: unmounted

    - name: Remove staging fstab entry
      ansible.builtin.lineinfile:
        path: /etc/fstab
        state: absent
        regexp: '^\\S+\\s+/prole/logs/synology\\s+'

    - name: Ensure /prole/logs exists
      ansible.builtin.file:
        path: /prole/logs
        state: directory
        mode: "0755"

    - name: Mount logs volume at /prole/logs
      ansible.builtin.mount:
        path: /prole/logs
        src: "UUID=5335affd-b1ab-4134-a1c0-be88ab965309"
        fstype: ext4
        opts: "_netdev,noatime"
        state: mounted

    - name: Start rsyslog
      ansible.builtin.service:
        name: rsyslog
        state: started