infra/roles/icinga/tasks/main.yml

---

- name: Enable icinga apt-key
  apt_key: url="https://packages.icinga.com/icinga.key"

- name: Enable icinga repository
  apt_repository:
    repo: "deb https://packages.icinga.com/debian icinga-{{ ansible_distribution_release }} main"
    filename: icinga

- name: Install icinga
  apt:
    name:
    - php-fpm
    - php-pgsql
    - icinga2
    - icinga2-ido-pgsql
    - icingaweb2

- name: Install PostgreSQL
  apt:
    name:
    - postgresql
    - python3-psycopg2

- name: Configure icinga database
  postgresql_db: name={{ icinga_dbname }}
  become: true
  become_user: postgres
  register: icinga_ido_db

- name: Configure icinga database user
  postgresql_user: db={{ icinga_dbname }} name={{ icinga_dbuser }} password={{ icinga_dbpass }} priv=ALL state=present
  become: true
  become_user: postgres

# FIXME it is not possible to use login_username and login_password here in order to change the role to icinga
# so as a workaround you have to insert "SET ROLE icinga;" manually at the top of the referred sql file
- name: Configure database schema
  postgresql_db: name={{ icinga_dbname }} target=/usr/share/icinga2-ido-pgsql/schema/pgsql.sql state=restore
  become: true
  become_user: postgres
  when: icinga_ido_db.changed

- name: Configure icingaweb database
  postgresql_db: name={{ icingaweb_dbname }}
  become: true
  become_user: postgres

- name: Configure icingaweb database user
  postgresql_user: db={{ icingaweb_dbname }} name={{ icingaweb_dbuser }} password={{ icingaweb_dbpass }} priv=ALL state=present
  become: true
  become_user: postgres

- name: Configure icinga ido pgsql
  template: src=icinga2/features-available/ido-pgsql.conf.j2 dest=/etc/icinga2/features-available/ido-pgsql.conf owner={{ icinga_user }} group={{ icinga_group }}
  notify: Restart icinga2

- name: Enable icinga ido PostgreSQL
  command: "icinga2 feature enable ido-pgsql"
  register: features_result
  changed_when: "'for these changes to take effect' in features_result.stdout"
  notify: Restart icinga2

- name: Configure known hosts for icinga
  template: src=icinga2/conf.d/hosts.conf.j2 dest=/etc/icinga2/conf.d/hosts.conf owner={{ icinga_user }} group={{ icinga_group }}
  notify: Restart icinga2

- name: Create group icingaweb2
  group: name=icingaweb2 system=yes

- name: Add www-data to icingaweb2
  user: name=www-data append=yes groups=icingaweb2

- name: Ensure certificates are available
  command:
    cmd: >
      openssl req -x509 -nodes -newkey rsa:2048
      -keyout /etc/nginx/ssl/{{ icinga_domain }}.key -out /etc/nginx/ssl/{{ icinga_domain }}.crt
      -days 730 -subj "/CN={{ icinga_domain }}"
    creates: /etc/nginx/ssl/{{ icinga_domain }}.crt
  notify: Restart nginx

- name: Request nsupdate key for certificate
  include_role: name=acme-dnskey-generate
  vars:
    acme_dnskey_san_domains:
    - "{{ icinga_domain }}"

- name: Configure certificate manager for icinga
  template: src=certs.j2 dest=/etc/acertmgr/{{ icinga_domain }}.conf
  notify: Run acertmgr

- name: Configure vhost
  template: src=vhost.j2 dest=/etc/nginx/sites-available/icinga
  notify: Restart nginx

- name: Enable vhost
  file: src=/etc/nginx/sites-available/icinga dest=/etc/nginx/sites-enabled/icinga state=link
  notify: Restart nginx

- name: Start php7.4-fpm
  service: name=php7.4-fpm state=started enabled=yes