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

  tasks:
    - name: Backup odroid
      block:
        - include_vars: vars/common/variable.yaml
        - 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_date_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_date_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 == "1")
#          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 != "1" 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

        - name: Search for other servers' backup directories
          find:
            paths: "/media/backup/{{ item }}"
            file_type: directory
            recurse: false
          register: backup_server_dirs
          loop: "{{ servers }}"

        - name: Find old daily backups
          find:
            path: "{{ item.path }}/daily"
            file_type: file
            age: 8d
            age_stamp: ctime
            patterns: '*.gz'
            recurse: false
          register: backup_files
          with_items: "{{ backup_server_dirs.results | map(attribute='files') | list }}"
          loop_control:
            label: "{{ item.path }}"

        - name: Check old backup file variable
          debug:
            var: item.path
          with_items: "{{ backup_files.results | map(attribute='files') | list }}"
          loop_control:
            label: "{{ item.path }}"

        - name: Inform Mattermost about success
          uri:
            url: "{{ mattermost_url }}"
            method: POST
            body_format: json
            body:
              username: "{{ mattermost_user }}"
              text: "{{ ansible_date_time.date }} {{ ansible_date_time.time }} (info): Playbook ran successful ({{ ansible_play_name }})"

      rescue:
        - name: Inform Mattermost about error
          uri:
            url: "{{ mattermost_url }}"
            method: POST
            body_format: json
            body:
              username: "{{ mattermost_user }}"
              text: "{{ ansible_date_time.date }} {{ ansible_date_time.time }} (info): Playbook ran with error ({{ ansible_play_name }})"