galera_client_install_yum.yml

---
# 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.

# Unfortunately yum is case-insensitive, and RDO has mariadb-* packages,
# while the MariaDB repo has MariaDB-* packages and they conflict.
# To work around this we have to query for any installed RDO/CentOS
# packages using rpm, then remove them. We have to remove them without
# dependencies, otherwise for distro package installation types on shared
# hosts it removes far too many packages.
- name: Remove conflicting packages
  shell: |
    exit_code=0
    for pkg in {{ galera_client_distro_remove_packages | join(' ') }}; do
      if rpm --query --quiet ${pkg}; then
        rpm -ev --nodeps ${pkg}
        exit_code=2
      fi
    done
    exit ${exit_code}
  register: _remove_existing_mariadb_packages
  changed_when: _remove_existing_mariadb_packages.rc == 2
  failed_when: _remove_existing_mariadb_packages.rc not in [0, 2]
  args:
    warn: no
    executable: /bin/bash

- name: If a keyfile is provided, copy the gpg keyfile to the key location
  copy:
    src: "gpg/{{ item.key | basename }}"
    dest: "{{ item.key }}"
    mode: '0644'
  with_items: "{{ galera_client_gpg_keys }}"
  tags:
    - galera-gpg-keys

- name: Install gpg keys
  rpm_key: "{{ key }}"
  with_items: "{{ galera_client_gpg_keys }}"
  loop_control:
    loop_var: key
  register: _add_yum_keys
  until: _add_yum_keys is success
  retries: 5
  delay: 2
  tags:
    - galera-gpg-keys

- name: Add galera repo
  yum_repository:
    name: "{{ item.name }}"
    description: "{{ item.description }}"
    baseurl: "{{ item.baseurl }}"
    gpgkey: "{{ item.gpgkey | default(omit) }}"
    gpgcheck: yes
    enabled: yes
  register: add_repos
  until: add_repos is success
  retries: 5
  delay: 2
  with_items:
    - "{{ galera_client_repo }}"
  tags:
    - galera-repos

# NOTE(hwoarang): MariaDB repository is prioritized at 99 by default
# and that allows yum to install mariadb client from the RDO repos, which
# is not good. This task ensures that the following tasks will choose
# MariaDB repo as the highest priority.
- name: Ensure MariaDB repository takes highest priority
  command: |
      yum-config-manager
        --enable MariaDB
        --setopt="MariaDB.priority=25"