ansible/odroid.yaml

---
# This playbook backups the odroid docker containers.
- name: Backup odroid
  hosts: all
  gather_facts: true

  tasks:
    - include_vars: vars/odroid/secret.yaml
    - include_vars: vars/odroid/variable.yaml

    - name: Check if directories exist
      stat:
        path: "{{ backup_dir }}/{{ item }}"
      register: dirs
      loop: "{{ systems }}"

    - name: Create not existing directories
      file:
        path: "{{ backup_dir }}/{{ item.item }}"
        state: directory
        mode: 0755
        group: chris
        owner: chris
      when: item.stat.exists == false
      with_items: "{{ dirs.results }}"
      loop_control:
        label: "{{ item.item }}"
    
    - name: Backup container volumes
      shell: docker run --rm -v {{ backup_dir }}/{{ item.value.container }}:/backup --volumes-from {{ item.value.container }} busybox tar cvfz /backup/{{ item.key }}-{{ ansible_date_time.iso8601_basic_short }}.tar.gz {{ item.value.path }}
      loop: "{{ lookup('dict', volumes) }}"
      loop_control:
        label: "{{ item.key }}"

    - name: Change ownership of volume backups
      file:
        path: "{{ backup_dir }}/{{ item.value.container }}/{{ item.key }}-{{ ansible_date_time.iso8601_basic_short }}.tar.gz"
        owner: chris
        group: chris
      become: yes
      become_method: sudo
      become_user: root
      loop: "{{ lookup('dict', volumes) }}"
      loop_control:
        label: "{{ item.key }}"

    - name: Backup mysql databases
      shell: docker exec mysql8 mysqldump -u{{ mysql_user }} -p{{ mysql_password }} {{ item }} > {{ backup_dir }}/{{ item }}/db-{{ ansible_date_time.iso8601_basic_short }}.sql
      loop: "{{ mysql_databases }}"
    
    - name: Backup postgres databases
      shell: docker exec psql14 pg_dump -U {{ postgres_user }} {{ item }} > {{ backup_dir }}/{{ item }}/db-{{ ansible_date_time.iso8601_basic_short }}.sql
      loop: "{{ postgres_databases }}"
        
    - name: Compress database backup files
      shell: gzip {{ backup_dir }}/{{ item }}/db-{{ ansible_date_time.iso8601_basic_short }}.sql
      loop: "{{ databases }}"

    - name: Check logrotate directories
      stat:
        path: "{{ backup_dir }}/{{ item[0] }}/{{ item[1] }}"
      register: subdirs
      with_nested:
        - "{{ systems }}"
        - ['daily', 'weekly', 'monthly', 'yearly']
      loop_control:
        label: "{{ item[0] }} {{ item[1] }}"

    - name: Create not existing logrotate directories
      file:
        path: "{{ backup_dir }}/{{ item.item[0] }}/{{ item.item[1] }}"
        state: directory
        mode: 0755
        group: chris
        owner: chris
      when: item.stat.exists == false
      with_items: "{{ subdirs.results }}"
      loop_control:
        label: "{{ item.item[0] }} {{ item.item[1] }}"

    - name: Search for the created backups
      find:
        paths: "{{ backup_dir }}/{{ item }}"
        file_type: file
        patterns: '*.gz'
        recurse: false
      register: backup_files
      loop: "{{ systems }}"

    - name: Store the yearly backups
      copy:
        remote_src: true
        src: "{{ item.path }}"
        dest: "{{ item.path | dirname }}/yearly/{{ item.path | basename }}"
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      when: (ansible_date_time.day == "01" and ansible_data_time.month == "01")
      loop_control:
        label: "{{ item.path }}"
    
    - name: Store the monthly backups
      copy:
        remote_src: true
        src: "{{ item.path }}"
        dest: "{{ item.path | dirname }}/monthly/{{ item.path | basename }}"
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      when: (ansible_date_time.day == "01" and ansible_data_time.month != "01")
      loop_control:
        label: "{{ item.path }}"
    
    - name: Store the weekly backups
      copy:
        remote_src: true
        src: "{{ item.path }}"
        dest: "{{ item.path | dirname }}/weekly/{{ item.path | basename }}"
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      when: (ansible_date_time.weekday_number == "7")
      loop_control:
        label: "{{ item.path }}"

    - name: Store the daily backup
      copy:
        remote_src: true
        src: "{{ item.path }}"
        dest: "{{ item.path | dirname }}/daily/{{ item.path | basename }}"
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      when: (ansible_date_time.weekday_number != "7" and ansible_date_time.day != "01")
      loop_control:
        label: "{{ item.path }}"
      
    - name: Cleanup original backup files
      file:
        path: "{{ item.path }}"
        state: absent
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      loop_control:
        label: "{{ item.path }}"

    - name: Find old daily backups
      find:
        paths: "{{ backup_dir }}/{{ item }}/daily"
        file_type: file
        age: 8d
        age_stamp: ctime
        patterns: '*.gz'
        recurse: false
      register: backup_files
      loop: "{{ systems }}"

    - name: Delete old daily backups
      file:
        path: "{{ item.path }}"
        state: absent
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      loop_control:
        label: "{{ item.path }}"

    - name: Find old weekly backups
      find:
        paths: "{{ backup_dir }}/{{ item }}/weekly"
        file_type: file
        age: 5w
        age_stamp: ctime
        patterns: '*.gz'
        recurse: false
      register: backup_files
      loop: "{{ systems }}"

    - name: Delete old weekly backups
      file:
        path: "{{ item.path }}"
        state: absent
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      loop_control:
        label: "{{ item.path }}"

    - name: Find old monthly backups
      find:
        paths: "{{ backup_dir }}/{{ item }}/monthly"
        file_type: file
        age: 56w
        age_stamp: ctime
        patterns: '*.gz'
        recurse: false
      register: backup_files
      loop: "{{ systems }}"

    - name: Delete old monthly backups
      file:
        path: "{{ item.path }}"
        state: absent
      with_items: "{{ backup_files.results | map(attribute='files') | list }}"
      loop_control:
        label: "{{ item.path }}"

    - name: Create nexcloud data backup
      shell: rdiff-backup /var/lib/docker/volumes/nextcloud-data/_data /media/backup/docker/nextcloud/data
      become: yes
      become_method: sudo
      become_user: root