playbooks/mongo backup.yml

- name: Backup MongoDB Databases
  hosts: all
  become: yes
  tasks:
    - name: Backup MongoDB databases
      command: >
        docker exec {{ mongodb_container }} mongodump
        --db {{ item }}
        --username {{ mongodb_user }}
        --password {{ mongodb_password }}
        --authenticationDatabase admin
        --out {{ mongo_backup_dir }}
      with_items: "{{ db_names }}"
    - name: Get the current weekday
      shell: date +%a
      register: weekday
      changed_when: false
    - name: Archive each directory separately
      command: >
        tar -czf "{{ backup_dir }}/{{ item }}-{{ weekday.stdout }}.tar.gz" -C "{{ backup_dir }}" "{{ item }}"
      loop: "{{ db_names }}"