---
# nginx tasks/main.yml
#
# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0

- name: include OS-specific vars
  include_vars: "{{ ansible_os_family }}.yml"

- name: include OS-specific tasks
  include_tasks: "{{ ansible_os_family }}.yml"

- name: Create Static Virtualhost root directories
  when: >
    (item.proxy_pass is not defined or not item.proxy_pass) and
    (item.redirect_url is not defined)
  file:
    state: directory
    path: "{{ nginx_static_dir }}/{{ item.name }}"
    owner: "{{ item.owner | default('root') }}"
    group: "{{ nginx_groupname }}"
    mode: 0755
  with_items: "{{ vhosts }}"

- name: Create directory for ACME challenges files
  file:
    state: directory
    path: "{{ acme_challenge_dir }}"
    owner: "{{ acme_username }}"
    group: "{{ nginx_groupname }}"
    mode: 0755

- name: Create directory for auth_basic htpasswd files
  file:
    state: directory
    path: "{{ nginx_auth_basic_dir }}"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0750

- name: Create auth_basic htpasswd files
  htpasswd:
    name: "{{ item.1.name }}"
    password: "{{ item.1.password }}"
    path: "{{ nginx_auth_basic_dir }}/{{ item.0.scope }}.htpasswd"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0640
    crypt_scheme: ldap_salted_sha1
  with_subelements:
    - "{{ auth_scopes }}"
    - users
  no_log: true

# file obtained on 2020-07-05 from https://ssl-config.mozilla.org/ffdhe2048.txt
- name: Copy over Mozilla-supplied dhparam config file
  copy:
    src: "ffdhe2048.txt"
    dest: "{{ nginx_conf_dir }}/dhparam"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0644

# file from example on nginx wiki:
#   https://www.nginx.com/resources/wiki/start/topics/examples/phpfcgi/
- name: Copy over fastcgi_params config file
  copy:
    src: "fastcgi_params"
    dest: "{{ nginx_conf_dir }}/fastcgi_params"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0644

- name: Global NGINX configuration from template
  template:
    src: "nginx.conf.j2"
    dest: "{{ nginx_conf_dir }}/nginx.conf"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0644
    backup: true
    validate: "nginx -t -c %s"
  notify:
    - test-nginx-config
    - reload-nginx

# this is needed when using the NGINX apt repo, already exists in the
# ubuntu/debian distro version
- name: Create sites-available and sites-enabled directories
  file:
    state: directory
    path: "{{ nginx_conf_dir }}/{{ item }}"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0755
  with_items:
    - "sites-available"
    - "sites-enabled"

- name: Create VirtualHost configurations from template
  template:
    src: "vhost.conf.j2"
    dest: "{{ nginx_conf_dir }}/sites-available/{{ item.name }}.conf"
    owner: root
    group: "{{ nginx_groupname }}"
    mode: 0644
    backup: true
  with_items: "{{ vhosts }}"
  notify:
    - test-nginx-config
    - reload-nginx

- name: Disable default host
  file:
    state: absent
    path: "{{ nginx_conf_dir }}/sites-enabled/default"

- name: Enable VirtualHosts via symlink
  file:
    state: link
    src: "{{ nginx_conf_dir }}/sites-available/{{ item.name }}.conf"
    dest: "{{ nginx_conf_dir }}/sites-enabled/{{ item.name }}.conf"
    owner: root
    group: "{{ nginx_groupname }}"
  with_items: "{{ vhosts }}"
  notify:
    - test-nginx-config
    - reload-nginx

- name: Flush handlers to reconfigure before dependent roles run (acme, etc.)
  meta: flush_handlers