ReaR restore initial

roles/rear_restore/tasks/main.yml

@@ -1,7 +1,83 @@
 ---
-- name: Restore the server using ReaR backup
-  ansible.builtin.command: "grub2-reboot 'Relax-and-Recover {{ rear_vars_grub_label }}'"
+- name: Check if ReaR restore was already completed
+  ansible.builtin.find:
+    paths:
+      - /var/tmp
+    patterns:
+      - "rear_restore.{{ rear_backup_workflow }}*"
+  register: rear_restore_file
 
-- name: Reboot host
-  ansible.builtin.import_role:
-    name: verified_reboot
+- name: Check for ReaR restore
+  when:
+    - rear_restore_file['files'] | length > 0
+  block:
+    - name: Check for ReaR restore
+      ansible.builtin.debug:
+        msg: "ReaR restore was already completed - {{ rear_restore_file['files'] | json_query('[].path') | string }}"
+
+    - name: End host for servers that already completed a ReaR restore
+      ansible.builtin.meta: end_host
+
+
+- name: Check if /etc/rear backup exists
+  ansible.builtin.stat:
+    path: "/root/etc-rear-backup-{{ rear_backup_workflow }}.tar.gz"
+  register: rear_config_backup_stat
+
+- name: Restore the server
+  when:
+    - rear_config_backup_stat['stat']['exists'] | bool
+  block:
+    - name: Create tmpdir
+      ansible.builtin.file:
+        path: "{{ rear_restore_tmpdir }}"
+        state: directory
+        mode: "0755"
+
+    - name: Extract /etc/rear archive contents
+      ansible.builtin.unarchive:
+        remote_src: true
+        src: "/root/etc-rear-backup-{{ rear_backup_workflow }}.tar.gz"
+        dest: "{{ rear_restore_tmpdir }}"
+
+    - name: Copy local.cfg from backup into /etc/rear
+      ansible.builtin.copy:
+        src: "{{ rear_restore_tmpdir }}/rear/local.conf"
+        dest: /etc/rear/local.conf
+        remote_src: true
+        mode: "0600"
+
+    - name: Rebuild ReaR initrd
+      ansible.builtin.command:
+        cmd: rear -d -v mkrescue
+      register: rear_initrd_cmd
+
+    - name: Update menu item for ReaR in Grub config
+      ansible.builtin.include_role:
+        name: rhc.rear.rear_grub_cfg
+
+    - name: Restore the server using ReaR backup
+      ansible.builtin.command: "grub2-reboot 'Relax-and-Recover {{ rear_vars_grub_label }}'"
+
+    - name: Reboot host to restore server
+      ansible.builtin.import_role:
+        name: verified_reboot
+
+    - name: Cleanup leftover artifacts
+      ansible.builtin.file:
+        path: "{{ item }}"
+        state: absent
+      loop:
+        - "{{ rear_restore_tmpdir }}"
+        - "{{ rear_restore_file['files'] | json_query('[].path') }}"
+        # - "{{ rear_backup_success_file_path }}/{{ rear_backup_workflow }}_rear_success"
+
+    - name: Create file for ReaR restore success
+      ansible.builtin.file:
+        path: "/var/tmp/rear_restore.{{ rear_backup_workflow }}.{{ ansible_date_time.iso8601_basic }}"
+        state: touch
+        mode: "0664"
+
+    - name: Show ReaR restore results
+      ansible.builtin.debug:
+        msg: "ReaR restore has successfully completed."