main.yml

- name: Install borg and tools
  pacman: name=borg state=present

- name: Check if borg repository already exists
  command: "{{ item['borg_cmd'] }} list {{ item['host'] }}/{{ item['dir'] }}"
  environment:
    BORG_RELOCATED_REPO_ACCESS_IS_OK: "yes"
  register: borg_list
  ignore_errors: true
  loop: "{{ backup_hosts }}"
  changed_when: borg_list.stdout | length > 0

- name: Init borg repository  # noqa ignore-errors no-changed-when
  command: "{{ item['borg_cmd'] }} init -e keyfile {{ item['host'] }}/{{ item['dir'] }}"
  when: borg_list is failed
  environment:
    BORG_PASSPHRASE: ""
  ignore_errors: true  # This can sometimes fail if a backup is in progress :/
  loop: "{{ backup_hosts }}"


- name: Install convenience scripts
  template: src=borg.j2 dest=/usr/local/bin/borg{{ item['suffix'] }} owner=root group=root mode=0755
  loop: "{{ backup_hosts }}"

- name: Install borg backup scripts
  template: src=borg-backup.sh.j2 dest=/usr/local/bin/borg-backup{{ item['suffix'] }}.sh owner=root group=root mode=0755
  loop: "{{ backup_hosts }}"

- name: Set up backup helpers for PostgreSQL databases
  when: "'postgresql_servers' in group_names"
  block:
    - name: Install postgres backup script
      template: src=backup-postgres.sh.j2 dest=/usr/local/bin/backup-postgres.sh owner=root group=root mode=0755

    - name: Make postgres backup directory
      file: path={{ backup_postgres_dir }} owner=root group=root mode=0755 state=directory

- name: Set up backup helpers for MariaDB databases
  when: "'mysql_servers' in group_names"
  block:
    - name: Install mysql backup script
      template: src=backup-mysql.sh.j2 dest=/usr/local/bin/backup-mysql.sh owner=root group=root mode=0755

    - name: Install mysql backup config
      template: src=backup-my.cnf.j2 dest={{ backup_mysql_defaults }} owner=root group=root mode=0644

    - name: Create mysql backup directory
      file: path={{ backup_mysql_dir }} state=directory owner=root group=root mode=0755

- name: Install systemd services for backup
  template: src={{ item }}.j2 dest=/etc/systemd/system/{{ item }} owner=root group=root mode=0644
  with_items:
    - borg-backup.service
    - borg-backup-offsite.service

- name: Install systemd timer for backup
  copy: src=borg-backup.timer dest=/etc/systemd/system/borg-backup.timer owner=root group=root mode=0644

- name: Activate systemd timer for backup
  systemd: name=borg-backup.timer enabled=yes state=started daemon-reload=yes