---
# This playbook backups the customers on hetzner server.
- name: Backup hetzner
  hosts: all
  gather_facts: true

  tasks:
    - name: Backup hetzner
      block:
        - include_vars: vars/common/mattermost.yaml
        - include_vars: vars/hetzner/variable.yaml

        - name: Create backup directory
          file:
            path: "{{ backup_dir }}"
            state: directory

        - name: Create customer directories
          file:
            path: "{{ backup_dir }}/{{ item.key }}"
            state: directory
          loop: "{{ lookup('dict', customers) }}"
          loop_control:
            label: "{{ item.key }}"

        - name: Backup web directories
          shell: tar cvfz {{ backup_dir }}/{{ item.key }}/web-{{ ansible_date_time.iso8601_basic_short }}.tar.gz {{ item. value.storage }}
          when: item.value.storage is defined
          loop: "{{ lookup('dict', customers) }}"
          loop_control:
            label: "{{ item.key }}"

        - name: Fetch web backups
          fetch:
            src: "{{ backup_dir }}/{{ item.key }}/web-{{ ansible_date_time.iso8601_basic_short }}.tar.gz"
            dest: "{{ local_backup }}/{{ item.key }}/"
            flat: yes
          when: item.value.storage is defined
          loop: "{{ lookup('dict', customers) }}"
          loop_control:
            label: "{{ item.key }}"

        - name: Backup databases
          shell: mysqldump -u{{ mysql_user }} -p{{ mysql_password }} {{ item.value.database }} > {{ backup_dir }}/{{ item.key }}/db-{{ ansible_date_time.iso8601_basic_short }}.sql
          loop: "{{ lookup('dict', customers) }}"
          loop_control:
            label: "{{ item.key }}"

        - name: Compress database backups
          shell: gzip {{ backup_dir }}/{{ item.key }}/db-{{ ansible_date_time.iso8601_basic_short }}.sql
          loop: "{{ lookup('dict', customers) }}"
          loop_control:
            label: "{{ item.key }}"

        - name: Fetch database backups
          fetch:
            src: "{{ backup_dir }}/{{ item.key }}/db-{{ ansible_date_time.iso8601_basic_short }}.sql.gz"
            dest: "{{ local_backup }}/{{ item.key }}/"
            flat: yes
          loop: "{{ lookup('dict', customers) }}"
          loop_control:
            label: "{{ item.key }}"

        - name: Clean backup directory
          file:
            path: "{{ backup_dir }}"
            state: absent

        - 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]