Extract the backup stuff for further usage.

docker-backup.yaml

@@ -0,0 +1,64 @@
+---
+
+# Version 1.1.0
+# Encrypt passwords with: "ansible-vault encrypt_string"
+# Start playbook with: "ansible-playbook -i localhost, -u chsteinle -k playbook-yaml.yml --ask-vault-pass"
+
+- name: Docker backup
+  hosts: all
+  gather_facts: True
+  
+    - name: Create container backup directories
+      file:
+        path: "{{ backup_location }}{{ item.name }}"
+        state: directory
+        mode: 0755
+        owner: chris
+        group: chris
+      loop: "{{ containers }}"
+      loop_control:
+        label: "{{ item.name }}"
+
+    - name: Create backup of mysql database and store to backup directory
+      shell: docker exec {{ item[1].container }} mysqldump -u{{ item[1].user }} -p{{ item[1].pass }} {{ item[1].name }} > {{ backup_location }}{{ item[0].name }}/{{ item[1].container }}-{{ ansible_date_time.iso8601_basic_short }}.sql
+      when: item[1].type == "mysql"
+      loop: "{{ containers | subelements('database', skip_missing=True) }}"
+      loop_control:
+        label: "{{ item[1].name }}"
+
+    - name: Create backup of postgres database and store to backup directory
+      ansible.builtin.debug:
+        msg:
+        - '{{ item[1] }}' # Database configuration @see: when
+        - '{{ item[0].name }}' # Container name
+      when: item[1].type == "psql"
+      loop: "{{ containers | subelements('database', skip_missing=True) }}"
+      loop_control:
+        label: "{{ item[1].name }}"
+
+    - name: Compress all database backup files
+      shell: gzip {{ backup_location }}{{ item[0].name }}/{{ item[1].container }}-{{ ansible_date_time.iso8601_basic_short }}.sql
+      loop: "{{ containers | subelements('database', skip_missing=True) }}"
+      loop_control:
+        label: "{{ item[1].name }}"
+
+    - name: Create backup of volume and store to backup directory
+      shell: tar cfz {{ backup_location }}{{ item[0].name }}/{{ item[1] }}-volume-{{ ansible_date_time.iso8601_basic_short }}.tar.gz -C /var/lib/docker/volumes/{{ item[1] }}/ _data
+      become: yes
+      become_method: sudo
+      become_user: root
+      loop: "{{ containers | subelements('volumes', skip_missing=True) }}"
+      loop_control:
+        label: "{{ item[1] }}"
+
+    - name: Change ownership of volume backups
+      file:
+        path: "{{ backup_location }}{{ item[0].name }}/{{ item[1] }}-volume-{{ ansible_date_time.iso8601_basic_short }}.tar.gz"
+        owner: chris
+        group: chris
+      become: yes
+      become_method: sudo
+      become_user: root
+      loop: "{{ containers | subelements('volumes', skip_missing=True) }}"
+      loop_control:
+        label: "{{ item[1] }}"