---
- name: create zfs datasets
  when: nextcloud_zfs is defined
  block:
  - name: create zfs base dataset
    zfs:
      name: "{{ nextcloud_zfs.pool }}/{{ nextcloud_zfs.name }}"
      state: present
      extra_zfs_properties: "{{ nextcloud_zfs.properties | default(omit) }}"

  - name: create zfs volumes for instances
    loop: "{{ nextcloud_instances | dict2items }}"
    loop_control:
      label: "{{ item.key }} ({{ (item.value.zfs_properties | default({})).items() | map('join', '=') | join(', ') }})"
    zfs:
      name: "{{ nextcloud_zfs.pool }}/{{ nextcloud_zfs.name }}/{{ item.key }}"
      state: present
      extra_zfs_properties: "{{ item.value.zfs_properties | default(omit) }}"

  - name: configure nextcloud base bath
    set_fact:
      nextcloud_base_path: "{{ zfs_zpools[nextcloud_zfs.pool].mountpoint }}/{{ nextcloud_zfs.name }}"


- name: create instance subdirectories
  when: nextcloud_zfs is not defined
  loop: "{{ nextcloud_instances | list }}"
  file:
    path: "{{ nextcloud_base_path }}/{{ item }}"
    state: directory



- name: add group for nextcloud app
  group:
    name: nc-app
    gid: "{{ nextcloud_app_gid }}"

- name: add user for nextcloud app
  user:
    name: nc-app
    uid: "{{ nextcloud_app_uid }}"
    group: nc-app
    password: "!"

- name: create nextcloud app subdirectory
  loop: "{{ nextcloud_instances | list }}"
  file:
    path: "{{ nextcloud_base_path }}/{{ item }}/nextcloud"
    owner: "{{ nextcloud_app_uid }}"
    group: "{{ nextcloud_app_gid }}"
    state: directory


- name: add group for nextcloud db
  group:
    name: nc-db
    gid: "{{ nextcloud_db_gid }}"

- name: add user for nextcloud db
  user:
    name: nc-db
    uid: "{{ nextcloud_db_uid }}"
    group: nc-db
    password: "!"

- name: create nextcloud database subdirectory
  loop: "{{ nextcloud_instances | dict2items}}"
  loop_control:
    label: "{{ item.key }} ({{ item.value.database.type }})"
  file:
    path: "{{ nextcloud_base_path }}/{{ item.key }}/{{ item.value.database.type }}"
    owner: "{{ nextcloud_db_uid }}"
    group: "{{ nextcloud_db_gid }}"
    state: directory


- name: create auxiliary config directory
  loop: "{{ nextcloud_instances | list }}"
  file:
    path: "{{ nextcloud_base_path }}/{{ item }}/config"
    state: directory

- name: create apache vhost config
  loop: "{{ nextcloud_instances | list }}"
  template:
    src: apache-site.conf.j2
    dest: "{{ nextcloud_base_path }}/{{ item }}/config/apache-site.conf"

- name: configure apache to run on port 8080 only
  loop: "{{ nextcloud_instances | list }}"
  copy:
    content: |
      Listen 8080
    dest: "{{ nextcloud_base_path }}/{{ item }}/config/ports.conf"


- name: build custom image
  loop: "{{ nextcloud_instances | dict2items }}"
  loop_control:
    label: "{{ item.key }}"
  when: "'custom_image' in item.value"
  include_tasks: custom-image.yml

- name: generate pod manifests
  loop: "{{ nextcloud_instances | dict2items }}"
  loop_control:
    label: "{{ item.key }}"
  template:
    src: "pod-with-{{ item.value.database.type }}.yml.j2"
    dest: "/etc/kubernetes/manifests/nextcloud-{{ item.key }}.yml"
    mode: 0600


- name: install cron trigger script
  loop: "{{ nextcloud_instances | list }}"
  template:
    src: run-cron.sh.j2
    dest: "{{ nextcloud_base_path }}/{{ item }}/config/run-cron.sh"
    mode: 0755

- name: install template systemd unit for cron trigger
  template:
    src: cron@.service.j2
    dest: /etc/systemd/system/nextcloud-cron@.service

- name: install systemd timer unit
  loop: "{{ nextcloud_instances | list }}"
  template:
    src: cron-.timer.j2
    dest: "/etc/systemd/system/nextcloud-cron-{{ item }}.timer"

- name: start/enable cron trigger systemd timer
  loop: "{{ nextcloud_instances | list }}"
  systemd:
    daemon_reload: yes
    name: "nextcloud-cron-{{ item }}.timer"
    state: started
    enabled: yes


- name: configure nginx vhost
  loop: "{{ nextcloud_instances | dict2items }}"
  include_role:
    name: nginx/vhost
  vars:
    nginx_vhost:
      name: "nextcloud-{{ item.key }}"
      template: generic-proxy-no-buffering-with-acme
      acme: true
      hostnames: "{{ item.value.hostnames }}"
      client_max_body_size: "512M"
      proxy_pass: "http://127.0.0.1:{{ item.value.port }}"
      proxy_redirect:
      - redirect: "http://$host/"
        replacement: "https://$host/"
      - redirect: "http://$host:8080/"
        replacement: "https://$host/"


- name: install management scripts
  loop:
    - nextcloud-upgrade
    - nextcloud-occ
  template:
    src: "{{ item }}.j2"
    dest: "/usr/local/bin/{{ item }}"
    mode: 0755

## TODO:
# do this automatically!
- name: print info for new instance
  loop: "{{ nextcloud_instances | dict2items }}"
  loop_control:
    label: "{{ item.key }}"
  when: "'new' in item.value and item.value.new"
  pause:
    seconds: 5
    prompt: |
      ************* {{ item.key }} is a new instance
      **
      **  Go to https://{{ item.value.hostnames[0] }} and finalize the
      **  installation. After that run the following commands:
      **
      **  $ nextcloud-occ {{ item.key }} db:add-missing-indices
      **  $ nextcloud-occ {{ item.key }} db:convert-filecache-bigint
      **
      **  Also please add the following option to the file
      **  "{{ nextcloud_base_path }}/{{ item.key }}/nextcloud/config/config.php"
      **
      **    'overwriteprotocol' => 'https',
      **
      ****************************************