---
# Copyright 2016, Rackspace US, 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: Deploy Grafana
  hosts: grafana
  become: true
  vars_files:
    - vars/variables.yml

  pre_tasks:
    - name: Galera database block
      block:
        - name: Check for db password
          fail:
            msg: >-
              The database root login user is undefined
          when:
            - galera_root_user is undefined

        - name: Check for db password
          fail:
            msg: >-
              The database root password is undefined
          when:
            - galera_root_password is undefined

        - name: Create DB for service
          mysql_db:
            login_user: "{{ galera_root_user }}"
            login_password: "{{ galera_root_password }}"
            login_host: "{{ galera_address | default('127.0.0.1') }}"
            name: "{{ grafana_db_name }}"
            state: "present"
          delegate_to: "{{ groups['galera_all'][0] }}"

        - name: Grant access to the DB for the service
          mysql_user:
            login_user: "{{ galera_root_user }}"
            login_password: "{{ galera_root_password }}"
            login_host: "{{ galera_address | default('127.0.0.1') }}"
            name: "{{ grafana_db_user }}"
            password: "{{ grafana_db_password }}"
            host: "{{ item }}"
            state: "present"
            priv: "{{ grafana_db_name }}.*:ALL"
          with_items:
            - "localhost"
            - "%"
          delegate_to: "{{ groups['galera_all'][0] }}"

        - name: Set grafana database fact
          set_fact:
            grafana_database:
              type: mysql
              host: "{{ galera_address }}:3306"
              name: "{{ grafana_db_name }}"
              user: "{{ grafana_db_user }}"
              password: "{{ grafana_db_password }}"
      when:
        - (groups['galera_all'] | default([])) | length > 0

    - name: Ensure https repos function
      apt:
        pkg: "apt-transport-https"
        state: "latest"

  roles:
    - role: grafana