---

# 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: False
  
  tasks:
    - name: Create container backup directories
      file:
        path: "{{ backup_location }}{{ item.name }}"
        state: directory
        mode: 0755
      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 }}-{{ date }}.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
      shell: docker exec {{ item[1].container }} pg_dump -U {{ item[1].user }} {{ item[1].name }} > {{ backup_location }}{{ item[0].name }}/{{ item[1].container }}-{{ date }}.sql
      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 }}-{{ date }}.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-{{ date }}.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] }}"