Don't fail if the timer doesnt exist

defaults/main.yaml

@@ -1,4 +1,6 @@
 ---
+borgmatic_enabled: true
+
 borgmatic_ssh_keys: []
 
 borgmatic_config:

tasks/init.yaml

@@ -20,8 +20,8 @@
 
 - name: Initialize borg check_repositories
   ansible.builtin.shell: "borgmatic init --encryption repokey"
-  environment: 
-      PATH: "{{ ansible_env.PATH}}:/usr/local/bin"
+  environment:
+    PATH: "{{ ansible_env.PATH}}:/usr/local/bin"
 
 - name: Enable borgmatic.timer
   ansible.builtin.systemd:

tasks/main.yaml

@@ -4,6 +4,15 @@
   with_first_found:
     - "os/{{ ansible_os_family }}/{{ ansible_distribution_major_version }}.yaml"
     - "os/{{ ansible_os_family }}.yaml"
-- include_tasks: install.yaml
-- include_tasks: config.yaml
-- include_tasks: init.yaml
+
+- name: Borgmatic - Install and configure
+  when: borgmatic_enabled | default(true)
+  block:
+    - include_tasks: install.yaml
+    - include_tasks: config.yaml
+    - include_tasks: init.yaml
+
+- name: Borgmatic - Uninstall and clean up
+  when: not borgmatic_enabled | default(true)
+  block:
+    - include_tasks: uninstall.yaml

tasks/uninstall.yaml

@@ -0,0 +1,35 @@
+---
+- name: Disable borgmatic.timer if installed
+  ansible.builtin.systemd:
+    name: borgmatic.timer
+    enabled: false
+    state: stopped
+  failed_when: false
+
+- name: Remove borgmatic systemd units
+  ansible.builtin.file:
+    path: "/etc/systemd/system/{{ item }}"
+    state: absent
+  loop:
+    - borgmatic.service
+    - borgmatic.timer
+  when:
+    - borgmatic_install_from_pip | default(false)
+  notify: reload systemd
+
+- name: Uninstall borgmatic package
+  ansible.builtin.package:
+    name: borgmatic
+    state: absent
+  when:
+    - not (borgmatic_install_from_pip | default(false))
+
+- name: Remove borgmatic configuration directory
+  ansible.builtin.file:
+    path: "/etc/borgmatic"
+    state: absent
+
+- name: Remove borgmatic files in the root user home
+  ansible.builtin.file:
+    path: "/root/.borgmatic"
+    state: absent