ansible/semaphore.yaml

---
# This playbook cleans up its own backup directory.
- name: Cleanup semaphore
  hosts: all
  gather_facts: true

  tasks:
    - name: Cleanup semaphore
      block:
        - include_vars: vars/mattermost.yaml
        - include_vars: vars/semaphore.yaml

        - name: Search for volume's backup directories
          become: yes
          find:
            paths: "{{ local_backup }}"
            file_type: directory
            recurse: false
          register: backup_dirs

        - name: Copy backup files
          become: yes
          copy:
            remote_src: true
            src: "{{ item.path }}"
            dest: "{{ backup_dir }}"
          loop: "{{ backup_dirs.files }}"
          loop_control:
            label: "{{ item.path }}"

        - name: Cleanup volume's backup directories
          become: yes
          file:
            path: "{{ item.path }}"
            state: absent
          loop: "{{ backup_dirs.files }}"
          loop_control:
            label: "{{ item.path }}"

        - name: Correct directory owner
          become: yes
          file:
            path: "{{ backup_dir }}"
            owner: chris
            group: chris
            recurse: yes

        - name: Register new backup directories
          find:
            paths: "{{ backup_dir }}"
            file_type: directory
            recurse: false
          register: backup_dirs

        - name: Check logrotate directories
          file:
            path: "{{ item[0].path }}/{{ item[1] }}"
            state: directory
          with_nested:
            - "{{ backup_dirs.files }}"
            - ['daily', 'weekly', 'monthly', 'yearly']
          loop_control:
            label: "{{ item[0].path }} {{ item[1] }}"

        - name: Search for the created backups
          find:
            paths: "{{ item.path }}"
            file_type: file
            patterns: '*.gz'
            recurse: false
          register: backup_files
          loop: "{{ backup_dirs.files }}"
          loop_control:
            label: "{{ item.path }}"

        - 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: Inform Mattermost about success
          uri:
            url: "{{ mattermost_url }}"
            method: POST
            body_format: json
            body:
              channel_id: "{{ channel_id }}"
              message: "{{ ansible_date_time.date }} {{ ansible_date_time.time }}: Playbook ran successful ({{ ansible_play_name }})"
            headers:
              Content-Type: application/json
              Authorization: "Bearer {{ semaphore_token }}"
            status_code: [200, 201]

      rescue:
        - name: Inform Mattermost about error
          uri:
            url: "{{ mattermost_url }}"
            method: POST
            body_format: json
            body:
              channel_id: "{{ channel_id }}"
              message: "{{ ansible_date_time.date }} {{ ansible_date_time.time }}: Playbook ran with error ({{ ansible_play_name }})"
            headers:
              Content-Type: application/json
              Authorization: "Bearer {{ error_token }}"
            status_code: [200, 201]