The beginnings of a backup solution

playbooks/backup_protocol.yml

@@ -0,0 +1,62 @@
+---
+- name: Backup Protocol
+  hosts: all
+  become: true
+  become_method: sudo
+  collections:
+    - community.docker
+    - community.general
+  vars:
+    env_backups_to_keep: 10
+  tasks:
+    - name: Run container mounts backup
+      ansible.builtin.import_role:
+        name: docker_backup
+      vars:
+        backup_rules: "{{ item }}"
+      when: docker_backup is defined and docker_backup | length != 0
+      loop: "{{ docker_backup }}"
+
+    - name: Stat the /root/infrastructure-compose folder
+      ansible.builtin.stat:
+        path: "/root/infrastructure-compose"
+      register: infra_compose_stat
+
+    - name: Find all .env files
+      ansible.builtin.find:
+        paths: "/root/infrastructure-compose"
+        patterns: ".*.env"
+      when: infra_compose_stat.stat.exists
+      register: all_env_files
+
+    - name: .env Backup block
+      when: infra_compose_stat.stat.exists and all_env_files.files is defined and all_env_files.files | length != 0
+      block:
+        - name: Archive .env files
+          community.general.archive:
+            path: "{{ all_env_files.files }}"
+            dest: >-
+              /backup/env/{{ inventory_hostname }}_{{ now().strftime("%Y%m%d%H%M%S") }}.tar.gz
+            format: gz
+            force_archive: true
+
+        - name: Find all .env backup files for the current host
+          ansible.builtin.find:
+            paths: "/backup/env"
+            patterns: "{{ inventory_hostname }}*"
+          register: backup_env_files
+
+        - name: If too many backups kept
+          when: backup_env_files.files | length > env_backups_to_keep
+          block:
+            - name: Get the oldest file paths
+              ansible.builtin.set_fact:
+                oldest_file_paths: >-
+                  {{ (backup_env_files.files | sort(attribute='mtime'))[:backup_env_files.files | length - env_backups_to_keep] |
+                      map(attribute=path) | list }}
+              
+            - name: Remove the files
+              ansible.builtin.file:
+                path: "{{ item }}"
+                state: absent
+              loop: "{{ oldest_file_paths }}"