---
# 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: Update the local file system CRUD
  file:
    src: "{{ item.src|default(omit) }}"
    path: "{{ item.path }}"
    state: "{{ item.state }}"
    force: "{{ item.force|default(omit) }}"
  with_items:
    - { path: "/etc/mysql", state: "directory" }
    - { path: "/etc/mysql/conf.d", state: "directory" }
    - { src: "/usr/lib64/galera", path: "/usr/lib/galera", state: "link", force: true }
    - { src: "/etc/mysql/conf.d", path: "/etc/my.cnf.d", state: "link", force: true }
    - { src: "/etc/mysql/my.cnf", path: "/etc/my.cnf", state: "link", force: true }

- name: Add galera gpg-keys
  rpm_key:
    state: present
    key: "{{ item.keyserver }}/{{ item.key_name }}"
  register: add_keys
  until: add_keys|success
  failed_when: false
  retries: 5
  delay: 2
  with_items: "{{ galera_gpg_keys }}"
  tags:
    - galera-gpg-keys

- name: Add galera gpg-keys using fallback keyserver
  rpm_key:
    state: present
    key: "{{ item.fallback_keyserver }}/{{ item.key_name }}"
  register: add_keys
  until: add_keys|success
  retries: 5
  delay: 2
  with_items: "{{ galera_gpg_keys }}"
  when: add_keys|failed and (item.fallback_keyserver is defined)
  tags:
    - galera-gpg-keys

#TODO(cloudnull) Remove this task once we move to Ansible 2.1
# where we can leverage the `yum_repository` module:
# https://docs.ansible.com/ansible/yum_repository_module.html
- name: Add galera repo
  copy:
    content: |
      [{{ item.name }}]
      name={{ item.name }}
      description={{ item.description }}
      baseurl={{ item.baseurl }}
      gpgkey={{ item.gpgkey }}
      gpgcheck=1
      enabled=1
    dest: "/etc/yum.repos.d/{{ item.file }}.repo"
  register: add_repos
  until: add_repos|success
  retries: 5
  delay: 2
  with_items:
    - "{{ galera_repo }}"
  tags:
    - galera-repos

- name: Install galera yum pre packages
  yum:
    pkg: "{{ item }}"
    state: "{{ galera_server_package_state }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: "{{ galera_server_required_distro_packages }}"
  tags:
    - galera-pre-yum-packages

- name: Install percona repo
  yum:
    pkg: "{{ galera_percona_xtrabackup_repo.repo }}"
    state: "{{ galera_percona_xtrabackup_repo.state }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  when: use_percona_upstream | bool
  tags:
    - galera-pre-yum-packages

- name: Install percona yum packages
  yum:
    pkg: "{{ item }}"
    state: "{{ galera_server_package_state }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: "{{ galera_server_percona_distro_packages }}"
  when: use_percona_upstream | bool
  tags:
    - galera-pre-yum-packages

- name: Install galera yum packages
  yum:
    pkg: "{{ item }}"
    state: "{{ galera_server_package_state }}"
  register: install_packages
  until: install_packages|success
  retries: 5
  delay: 2
  with_items: "{{ galera_server_mariadb_distro_packages }}"
  tags:
    - galera-pre-yum-packages

- name: Enable mysql to start at boot
  service:
    name: "mysql"
    enabled: "yes"
  tags:
    - galera_server-config
    - galera-enable

# NOTE(cloudnull): This is an idempotent shell task is it will only run once
#  provided the "/etc/mysql/rhel_configured" exists. This tasks automates the
#  MySQL secure setup which is done automatically in Ubuntu deployments.
- name: "Update root user, connections, and grant options"
  shell: |
    service mysql start || true
    # Reset the root password, at this time there is no password set
    mysqladmin --no-defaults --port=3306 --socket=/var/run/mysqld/mysqld.sock --host=127.0.0.1 --user=root password "{{ galera_root_password }}"
    # Setup the root user for MySQL
    mysql -u root -h localhost -e "UPDATE mysql.user SET Password=PASSWORD('$rootpass') WHERE User='root';"
    mysql -u root -h localhost -e "DELETE FROM mysql.user WHERE user='';"
    mysql -u root -h localhost -e "DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('%', 'localhost', '127.0.0.1', '::1');"
    mysql -u root -h localhost -e "DELETE FROM mysql.db WHERE Db='test' OR Db='test\_%';"
    mysql -u root -h localhost -e "GRANT ALL PRIVILEGES ON *.* TO '{{ galera_root_user }}'@'localhost' IDENTIFIED BY '{{ galera_root_password }}' WITH GRANT OPTION;"
    mysql -u root -h localhost -e "GRANT ALL PRIVILEGES ON *.* TO '{{ galera_root_user }}'@'127.0.0.1' IDENTIFIED BY '{{ galera_root_password }}' WITH GRANT OPTION;"
    mysql -u root -h localhost -e "GRANT ALL PRIVILEGES ON *.* TO '{{ galera_root_user }}'@'::1' IDENTIFIED BY '{{ galera_root_password }}' WITH GRANT OPTION;"
    mysql -u root -h localhost -e "GRANT ALL PRIVILEGES ON *.* TO '{{ galera_root_user }}'@'%' IDENTIFIED BY '{{ galera_root_password }}' WITH GRANT OPTION;"
    mysql -u root -h localhost -e "FLUSH PRIVILEGES;"
    # Create a marker file to ensure this script is not run again
    touch /etc/mysql/rhel_configured
    service mysql stop
  args:
    creates: /etc/mysql/rhel_configured
  tags:
    - galera_server-config
    - galera-rhel-config
    - skip_ansible_lint