---
- name: Creating monasca database
  kolla_toolbox:
    module_name: mysql_db
    module_args:
      login_host: "{{ monasca_database_address }}"
      login_port: "{{ monasca_database_port }}"
      login_user: "{{ database_user }}"
      login_password: "{{ database_password }}"
      name: "{{ item }}"
  register: database
  run_once: True
  delegate_to: "{{ groups['monasca-api'][0] }}"
  with_items:
    - "{{ monasca_database_name }}"
    - "{{ monasca_grafana_database_name }}"
  when:
    - not use_preconfigured_databases | bool

- name: Creating monasca database user and setting permissions
  kolla_toolbox:
    module_name: mysql_user
    module_args:
      login_host: "{{ monasca_database_address }}"
      login_port: "{{ monasca_database_port }}"
      login_user: "{{ database_user }}"
      login_password: "{{ database_password }}"
      name: "{{ monasca_database_user }}"
      password: "{{ monasca_database_password }}"
      host: "%"
      priv: "{{ monasca_database_name }}.*:ALL/{{ monasca_grafana_database_name }}.*:ALL"
      append_privs: "yes"
  run_once: True
  delegate_to: "{{ groups['monasca-api'][0] }}"
  when:
    - not use_preconfigured_databases | bool
    - database.changed

- include_tasks: bootstrap_service.yml
  when: database.changed or use_preconfigured_databases | bool

# NOTE(dszumski): Monasca is not yet compatible with InfluxDB > 1.1.10, which means
# that the official Ansible modules for managing InfluxDB don't work [1].
# We therefore fall back to manual commands to register the database
# and set a default retention policy.
# [1] https://github.com/influxdata/influxdb-python#influxdb-pre-v110-users
- name: List influxdb databases
  command: "docker exec influxdb influx -host {{ monasca_influxdb_address }} -port {{ monasca_influxdb_http_port }} -execute 'show databases'"
  run_once: True
  delegate_to: "{{ groups['influxdb'][0] }}"
  register: monasca_influxdb_database
  changed_when: False

- name: Creating monasca influxdb database
  command: "docker exec influxdb influx -host {{ monasca_influxdb_address }} -port {{ monasca_influxdb_http_port }} -execute 'CREATE DATABASE {{ monasca_influxdb_name }} WITH DURATION {{ monasca_influxdb_retention_policy.duration }} REPLICATION  {{ monasca_influxdb_retention_policy.replication_count }} NAME {{ monasca_influxdb_retention_policy.name }}'"
  run_once: True
  delegate_to: "{{ groups['influxdb'][0] }}"
  when: monasca_influxdb_name not in monasca_influxdb_database.stdout_lines

# NOTE(dszumski): The Monasca APIs write logs and messages to Kafka. Since
# Kafka has automatic topic generation enabled by default we don't need to
# create topics here.