---
# 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.

#TODO(evrardjp): Replace the next 2 tasks by a standard apt with cache
#when https://github.com/ansible/ansible-modules-core/pull/1517 is merged
#in 1.9.x or we move to 2.0 (if tested working)
- name: Check apt last update file
  stat:
    path: /var/cache/apt
  register: apt_cache_stat
  tags:
    - galera-apt-packages

- name: Update apt if needed
  apt:
    update_cache: yes
  when: "ansible_date_time.epoch|float - apt_cache_stat.stat.mtime > {{cache_timeout}}"
  tags:
    - galera-apt-packages

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

- name: Add galera apt-keys
  apt_key:
    id: "{{ item.hash_id }}"
    keyserver: "{{ item.keyserver | default(omit) }}"
    data: "{{ item.data | default(omit) }}"
    url: "{{ item.url | default(omit) }}"
    state: "present"
  register: add_keys
  until: add_keys|success
  ignore_errors: True
  retries: 5
  delay: 2
  with_items: "{{ galera_gpg_keys }}"
  tags:
    - galera-apt-keys

- name: Add galera apt-keys using fallback keyserver
  apt_key:
    id: "{{ item.hash_id }}"
    keyserver: "{{ item.fallback_keyserver | default(omit) }}"
    url: "{{ item.fallback_url | default(omit) }}"
    state: "present"
  register: add_keys_fallback
  until: add_keys_fallback|success
  retries: 5
  delay: 2
  with_items: "{{ galera_gpg_keys }}"
  when: add_keys|failed and (item.fallback_keyserver is defined or item.fallback_url is defined)
  tags:
    - galera-apt-keys

- name: Add galera repo(s)
  apt_repository:
    repo: "{{ item.repo }}"
    state: "{{ item.state }}"
  register: add_repos
  until: add_repos|success
  retries: 5
  delay: 2
  with_items:
    - "{{ galera_apt_repo }}"
    - "{{ galera_apt_percona_xtrabackup_repo }}"
  tags:
    - galera-repos

- name: Download the galera package
  get_url:
    url: "{{ galera_package_url }}"
    dest: "{{ galera_package_path }}"
    mode: "0644"
    sha256sum: "{{ galera_package_sha256 }}"
    validate_certs: "{{ galera_package_download_validate_certs }}"
  register: package_download
  retries: 3
  delay: 10
  until: package_download|success
  tags:
    - galera-apt-packages

- name: Prevent galera from starting on install
  copy:
    src: "policy-rc.d"
    dest: "/usr/sbin/policy-rc.d"
    mode: "0755"
    backup: yes
  tags:
    - galera-config

- name: Drop limits config
  template:
    src: "limits.conf.j2"
    dest: "/etc/security/limits.conf"
  notify: Restart mysql
  tags:
    - galera-config