---
# Copyright 2014, 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.
# cmframework.requires: initial_poweroff_hosts.yml, memcached-install.yml

- name: Galera container config
  hosts: galera_all
  gather_facts: "{{ osa_gather_facts | default(True) }}"
  serial: 1
  tasks:
    - include: common-tasks/os-log-dir-setup.yml
      vars:
        log_dirs:
          - src: "/openstack/log/{{ inventory_hostname }}-mysql_logs"
            dest: "/var/log/mysql_logs"
      when: reinitialized_nodes is not defined or (reinitialized_nodes is defined and hostname in reinitialized_nodes)
    - include: "common-tasks/os-{{ container_tech | default('lxc') }}-container-setup.yml"
      vars:
        list_of_bind_mounts: "{{ galera_container_bind_mounts }}"
        extra_container_config_no_restart:
          - "lxc.start.order=10"
      when: reinitialized_nodes is not defined or (reinitialized_nodes is defined and hostname in reinitialized_nodes)
    - include: common-tasks/unbound-clients.yml
      static: no
      when:
        - hostvars['localhost']['resolvconf_enabled'] | bool
        - reinitialized_nodes is not defined or (reinitialized_nodes is defined and hostname in reinitialized_nodes)
  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - galera

- name: Install galera server
  hosts: galera_all
  gather_facts: "{{ osa_gather_facts | default(True) }}"
  serial: 1
  roles:
    - role: "galera_server"
      when: reinitialized_nodes is not defined or (reinitialized_nodes is defined and hostname in reinitialized_nodes)
    - role: "rsyslog_client"
      rsyslog_client_log_rotate_file: galera_log_rotate
      rsyslog_client_log_dir: "/var/log/mysql_logs"
      rsyslog_client_log_files:
        - /var/log/mysql.log
        - /var/log/mysql.err
      rsyslog_client_config_name: "99-galera-rsyslog-client.conf"
      tags:
        - rsyslog
      when: reinitialized_nodes is not defined or (reinitialized_nodes is defined and hostname in reinitialized_nodes) 
    - role: "system_crontab_coordination"
      tags:
        - crontab
      when: reinitialized_nodes is not defined or (reinitialized_nodes is defined and hostname in reinitialized_nodes)
  vars:
    galera_server_id: "{{ inventory_hostname | string_2_int }}"
    galera_wsrep_node_name: "{{ container_name }}"
  environment: "{{ deployment_environment_variables | default({}) }}"
  tags:
    - galera

- name: Verify Galera cluster count.
  hosts: baremetal-infra_hosts
  tasks:
    - set_fact:
        given_cluster_count: "{{ groups['galera_all'] | count }}"

    - name: Check the mysql cluster count
      shell: mysql -e 'show status like "%wsrep_cluster_%";' | awk -F "wsrep_cluster_size" {'print $2'} |tr -d " \t\n\r"
      register: cluster_count
      until: cluster_count|success
      failed_when: cluster_count.stdout != given_cluster_count
  tags:
    - galera