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path: root/tasks/client.yml
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---
- name: generate borg ssh key on client
  openssh_keypair:
    owner: root
    mode: 0400
    path: /root/.ssh/borg
    type: ed25519
  register: borg_ssh_key

- name: reload ansible_local
  setup: filter=ansible_local
  when: borg_ssh_key.changed

- name: Enforce borg authorized key on server
  authorized_key:
    user: borg
    key: "{{ ansible_local.borg.pubkey }}"
    key_options: 'command="cd /srv/borg/repos/{{ ansible_hostname }}; borg serve --restrict-to-path /srv/borg/repos/{{ ansible_hostname }}",restrict'
  delegate_to: "{{ borg_server }}"

- name: create borg client repo directory on server
  file:
    path: "/srv/borg/repos/{{ ansible_hostname }}"
    state: directory
    owner: borg
    mode: 0700
  delegate_to: "{{ borg_server }}"

- name: create borg client repo on server
  command: "borg init --encryption=none /srv/borg/repos/{{ ansible_hostname }}"
  become: yes
  become_method: su
  become_user: borg
  delegate_to: "{{ borg_server }}"
  args:
    creates: "/srv/borg/repos/{{ ansible_hostname }}/config"

- name: reload ansible_local
  setup: filter=ansible_local
  delegate_to: "{{ borg_server }}"
  delegate_facts: True
  when: hostvars[borg_server]['ansible_local']['borg']['repos'][ansible_hostname] is not defined

- name: make the server known to the client
  lineinfile:
    line: "{{ borg_server }} ecdsa-sha2-nistp256 {{ hostvars[borg_server]['ansible_ssh_host_key_ecdsa_public'] }}"
    path: /root/.ssh/known_hosts
    create: yes

- name: make the repo directory on the client
  file:
    state: directory
    path: "/root/.config/borg/security/{{ hostvars[borg_server]['ansible_local']['borg']['repos'][ansible_hostname] }}"
    owner: root
    mode: 0700

- name: make the repo known to the client
  copy:
    dest: "/root/.config/borg/security/{{ hostvars[borg_server]['ansible_local']['borg']['repos'][ansible_hostname] }}/key-type"
    content: "2"
    owner: root
    mode: 0600

- name: deploy borg backup script
  template:
    dest: /usr/local/bin/adyxax_backup.sh
    src: backup.sh.j2
    owner: root
    mode: 0500

- name: activate borg cron on alpine
  lineinfile:
    line: '0 23 * * * /usr/local/bin/adyxax_backup.sh'
    path: /etc/crontabs/root
  when: ansible_os_family == 'Alpine'

- name: activate borg cron on gentoo or redhat
  file:
    state: link
    src: /usr/local/bin/adyxax_backup.sh
    dest: /etc/cron.daily/backup
  when: ansible_os_family == 'Gentoo' or ansible_os_family == 'RedHat'

- name: activate borg cron on openbsd
  lineinfile:
    line: '0 23 * * * /usr/local/bin/adyxax_backup.sh'
    path: /var/cron/tabs/root
  when: ansible_os_family == 'OpenBSD'
  notify: restart openbsd cron
...