From 54d44730fe539682f85545d2f850cf7e23f41d5c Mon Sep 17 00:00:00 2001
From: Chris Hammer <chris@thezengarden.net>
Date: Thu, 27 Feb 2025 16:30:50 -0500
Subject: [PATCH] Add remove playbook/role

---
 playbooks/rear_remove.yml                   | 10 ++++++
 roles/rear_remove/handlers/main.yml         |  3 ++
 roles/rear_remove/handlers/rebuild_grub.yml | 17 +++++++++
 roles/rear_remove/tasks/main.yml            | 38 +++++++++++++++++++++
 4 files changed, 68 insertions(+)
 create mode 100644 playbooks/rear_remove.yml
 create mode 100644 roles/rear_remove/handlers/main.yml
 create mode 100644 roles/rear_remove/handlers/rebuild_grub.yml
 create mode 100644 roles/rear_remove/tasks/main.yml

diff --git a/playbooks/rear_remove.yml b/playbooks/rear_remove.yml
new file mode 100644
index 0000000..40f0d82
--- /dev/null
+++ b/playbooks/rear_remove.yml
@@ -0,0 +1,10 @@
+---
+- name: ReaR Remove Playbook
+  hosts: all
+  gather_facts: true
+  become: false
+
+  tasks:
+    - name: Run cleanup directly
+      ansible.builtin.include_role:
+        name: ../roles/rear_remove
diff --git a/roles/rear_remove/handlers/main.yml b/roles/rear_remove/handlers/main.yml
new file mode 100644
index 0000000..f39f097
--- /dev/null
+++ b/roles/rear_remove/handlers/main.yml
@@ -0,0 +1,3 @@
+---
+- name: Rebuild Grub2
+  ansible.builtin.include_tasks: handlers/rebuild_grub.yml
diff --git a/roles/rear_remove/handlers/rebuild_grub.yml b/roles/rear_remove/handlers/rebuild_grub.yml
new file mode 100644
index 0000000..fcb85ff
--- /dev/null
+++ b/roles/rear_remove/handlers/rebuild_grub.yml
@@ -0,0 +1,17 @@
+---
+- name: UEFI Check
+  ansible.builtin.stat:
+    path: /boot/efi/EFI/redhat/grub.cfg
+  register: is_efi
+
+- name: Rebuild Grub config - BIOS
+  ansible.builtin.command:
+    cmd: "grub2-mkconfig -o /boot/grub2/grub.cfg"
+  when:
+    - not is_efi['stat']['exists'] | bool
+
+- name: Rebuild Grub config - UEFI
+  ansible.builtin.command:
+    cmd: "grub2-mkconfig -o /boot/efi/EFI/redhat/grub.cfg"
+  when:
+    - is_efi['stat']['exists'] | bool
diff --git a/roles/rear_remove/tasks/main.yml b/roles/rear_remove/tasks/main.yml
new file mode 100644
index 0000000..951e56b
--- /dev/null
+++ b/roles/rear_remove/tasks/main.yml
@@ -0,0 +1,38 @@
+---
+- name: Check previous log file
+  ansible.builtin.stat:
+    path: "/var/log/rear/rear-{{ ansible_hostname }}.log"
+  register: old_rear_log
+
+- name: Backup ReaR log file
+  when:
+    - old_rear_log['stat']['exists']
+  block:
+    - name: Copy old ReaR log file to backup location
+      ansible.builtin.copy:
+        src: "/var/log/rear/rear-{{ ansible_hostname }}.log"
+        dest: "/var/log/rear-{{ ansible_hostname }}-{{ '%Y-%m-%d' | strftime(old_rear_log['stat']['mtime']) }}.log"
+        mode: "0644"
+        backup: true
+        remote_src: true
+
+    - name: Remove old ReaR log file
+      ansible.builtin.file:
+        path: "/var/log/rear/rear-{{ ansible_hostname }}.log"
+        state: absent
+
+- name: Remove files
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: absent
+  loop:
+    - "/boot/rear-initrd.cgz"
+    - "/boot/rear-kernel"
+    - "/etc/rear"
+    - "/tmp/rear"
+    - "/var/lib/rear"
+
+- name: Remove Grub2 config
+  ansible.builtin.file:
+    path: "/etc/grub.d/45_rear"
+  notify: Rebuild Grub2