- name: install borg and tools
  pacman: name=borg,perl-app-borgrestore state=present

- name: install borg-restore config
  template: src=borg-restore.cfg.j2 dest=/etc/borg-restore.cfg owner=root group=root mode=0644

- name: check if borg repository already exists
  command: borg list {{ backup_host }}:{{ backup_dir }}
  register: borg_list
  ignore_errors: True

- name: init borg repository
  command: borg init -e keyfile {{ backup_host }}:{{ backup_dir }}
  when: borg_list | failed
  environment:
    BORG_PASSPHRASE: ""
  ignore_errors: True # This can sometimes fail if a backup is in progress :/

- name: install scripts
  template: src={{item}}.j2 dest=/usr/local/bin/{{item}} owner=root group=root mode=0755
  with_items:
    - borg-backup.sh
    - borg

- name: install postgres backup script
  template: src=backup-postgres.sh.j2 dest=/usr/local/bin/backup-postgres.sh owner=root group=root mode=0755
  when: postgres_backup_dir is defined

- name: check whether postgres user exists
  command: getent passwd postgres
  register: check_postgres_user
  ignore_errors: True

- name: make postgres backup directory
  file: path=/var/lib/postgres/backup owner=postgres group=postgres state=directory
  when: check_postgres_user|succeeded and postgres_backup_dir is defined

- name: install mysql backup script
  template: src=backup-mysql.sh.j2 dest=/usr/local/bin/backup-mysql.sh owner=root group=root mode=0755
  when: mysql_backup_dir is defined

- name: install mysql backup config
  template: src=backup-my.cnf.j2 dest={{mysql_backup_defaults}}
  when: mysql_backup_defaults is defined

- name: create mysql backup directory
  file: path={{mysql_backup_dir}} state=directory owner=root group=root
  when: mysql_backup_dir is defined

- name: install xtrabackup for mysql backup
  pacman: name=xtrabackup state=installed
  when: mysql_backup_dir is defined

- name: install systemd timers for backup
  copy: src={{ item }} dest=/etc/systemd/system/{{ item }} owner=root group=root mode=0644
  with_items:
    - borg-backup.timer
    - borg-backup.service

- name: activate systemd timers for backup
  service: name=borg-backup.timer enabled=yes state=started

- name: enable systemd ressource accounting
  command: systemctl set-property borg-backup CPUAccounting=yes MemoryAccounting=yes