# Copyright 2019 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
---
- name: Install borg-client
  hosts: borg-client:!disabled

  tasks:
    - name: Setup windmill.borgbackup role
      include_role:
        name: windmill.borgbackup
      vars:
        borgbackup_task_manager:
          - pre
          - install

    - name: Setup windmill.borgmatic role
      include_role:
        name: windmill.borgmatic

    - name: Generage borgbackup SSH keys
      become: true
      become_user: borgbackup
      command: ssh-keygen -b 4096 -t rsa -f ~/.ssh/id_rsa -q -N ""
      args:
        creates: ~/.ssh/id_rsa

    - name: Add borg-server SSH host keys to known_hosts
      become: true
      become_user: borgbackup
      known_hosts:
        hash_host: true
        key: "{{ hostvars[item].ansible_host }} ssh-ed25519 {{ hostvars[item].ansible_facts['ssh_host_key_ed25519_public'] }}"
        name: "{{ hostvars[item].ansible_host }}"
      with_inventory_hostnames:
        - borg-server:!disabled

    - name: Read SSH public key
      become: true
      become_user: borgbackup
      slurp:
        src: ~/.ssh/id_rsa.pub
      register: borg_id_rsa_pub

    - name: Setup windmill.ssh role
      become: true
      become_user: "borg_{{ inventory_hostname_short }}"
      include_role:
        name: windmill.ssh
        apply:
          delegate_to: "{{ item }}"
      vars:
        ssh_task_manager:
          - config
        ssh_authorized_keys_content: "restrict,command=\"cd ~/repos;{{ borgbackup_pip_virtualenv }}/bin/borg serve --restrict-to-path ~/repos\" {{ borg_id_rsa_pub.content | b64decode | trim }}"
        ssh_key_private_content: false
        ssh_key_public_content: false
        ssh_known_hosts_content: false
        ssh_user_home: "/opt/backups/borg_{{ inventory_hostname_short }}"
        ssh_user_name: "borg_{{ inventory_hostname_short }}"
        ssh_user_group: borgbackup
      with_inventory_hostnames:
        - borg-server:!disabled

    - name: Initialize an empty borg repository
      become: true
      become_user: borgbackup
      command: "{{ borgmatic_pip_virtualenv }}/bin/borgmatic --init --encryption repokey"
      register: r
      changed_when: r.stderr | length > 0
      with_inventory_hostnames:
        - borg-server:!disabled