#!/usr/bin/ansible-playbook
# vim:ft=ansible:
---
- name: Install, configure, and start Grafana
  block:
    - name: Set up PostgreSQL
      block:
        - name: Create DB user
          postgresql_user:
            name: grafana
            password: "{{ grafana.db.pass }}"
            login_host: "{{ grafana.db.hostname }}"
            login_user: "{{ psql.ansible.user }}"
            login_password: "{{ psql.ansible.pass }}"
        - name: Create DB
          postgresql_db:
            name: grafana
            owner: grafana
            encoding: UNICODE
            login_host: "{{ grafana.db.hostname }}"
            login_user: "{{ psql.ansible.user }}"
            login_password: "{{ psql.ansible.pass }}"
      tags: [ postgresql ]
    - name: Configure Grafana
      block:
        - name: Create configuration directories
          file:
            path: "{{ item }}"
            state: directory
          loop:
            - /etc/grafana
            - /etc/grafana/provisioning
        - name: Template out main config
          template:
            src: "grafana.ini"
            dest: "/etc/grafana/grafana.ini"
            mode: "0640"
          notify: restart grafana
        - name: Clone configuration repo
          git:
            repo: "{{ grafana.config_repo }}"
            dest: "/etc/grafana/provisioning"
            force: yes
          notify: restart grafana
          when: grafana.config_repo is defined
    - name: Add and configure packages
      block:
        - name: Add APT signing key
          apt_key:
            url: "https://packages.grafana.com/gpg.key"
        - name: Add APT repo
          apt_repository:
            repo: "deb https://packages.grafana.com/oss/deb stable main"
        - name: Install Grafana
          apt:
            name:
              - grafana
    - name: Enable Grafana
      systemd:
        daemon_reload: yes
        name: "grafana-server.service"
        enabled: yes
        state: "started"
    - name: Set up Apache
      block:
        - name: Enable modules
          command:
            cmd: a2enmod "{{ item }}"
            creates: "/etc/apache2/mods-enabled/{{ item }}.load"
          loop:
            - proxy
            - proxy_http
          notify: restart apache
        - name: Template out vhost
          template:
            src: "apache2-vhost-ssl.conf"
            dest: "/etc/apache2/sites-available/{{ grafana.url }}.conf"
          notify: restart apache
        - name: Create webroot
          file:
            state: directory
            path: "{{ grafana.webroot }}"
        - name: Enable site
          command:
            cmd: "a2ensite {{ grafana.url }}.conf"
            creates: "/etc/apache2/sites-enabled/{{ grafana.url }}.conf"
          notify: restart apache
        - name: Generate certificate
          include_role:
            name: https
          vars:
            website_url: "{{ grafana.url }}"
  become: yes