openstack-ansible-galera_server/defaults/main.yml

---
# 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.

galera_server_bootstrap_node: "{{ groups['galera_all'][0] }}"
galera_ignore_cluster_state: false
galera_upgrade: false

galera_wsrep_node_name: "{{ inventory_hostname }}"
galera_cluster_name: openstack_galera_cluster

# The galera server-id should be set on all cluster nodes to ensure
#  that replication is handled correctly and the error
#  "Warning: You should set server-id to a non-0 value if master_host is
#   set; we will force server id to 2, but this MySQL server will not act
#   as a slave." is no longer present.
# galera_server_id: 0

galera_existing_cluster: true
galera_running_and_bootstrapped: false

galera_monitoring_user: monitoring
galera_monitoring_user_password: ""
galera_root_user: root

# WARNING: This option is deprecated and will be removed in v12.0
galera_gcache_size: 1024M

galera_max_heap_table_size: 32M
galera_tmp_table_size: 32M

galera_file_limits: 65535
galera_wait_timeout: 28800

## innodb options
galera_innodb_buffer_pool_size: 4096M
galera_innodb_log_file_size: 1024M
galera_innodb_log_buffer_size: 128M

## wsrep configuration
galera_wsrep_address: "{{ ansible_ssh_host }}"
galera_wsrep_cluster_address: "{% for host in groups['galera_all'] %}{{ hostvars[host]['ansible_ssh_host'] }}{% if not loop.last %},{% endif %}{% endfor %}"
galera_wsrep_node_incoming_address: "{{ galera_wsrep_address }}"
galera_wsrep_slave_threads: "{{ ansible_processor_vcpus | default(2) }}"
galera_wsrep_retry_autocommit: 3
galera_wsrep_debug: 0
galera_wsrep_sst_method: xtrabackup-v2
galera_wsrep_provider_options:
  - { option: "gcache.size", value: "{{ galera_gcache_size }}" }
galera_wsrep_sst_auth_user: "root"
galera_wsrep_sst_auth_password: "{{ galera_root_password  }}"

# xtrabackup parallel/compression/sync threads
galera_xtrabackup_threads: 4

# Galera GPG Keys
galera_gpg_keys:
  - key_name: 'mariadb'
    keyserver: 'hkp://keyserver.ubuntu.com:80'
    fallback_keyserver: 'hkp://p80.pool.sks-keyservers.net:80'
    hash_id: '0xcbcb082a1bb943db'
  - key_name: 'percona-xtrabackup'
    keyserver: 'hkp://keyserver.ubuntu.com:80'
    fallback_keyserver: 'hkp://p80.pool.sks-keyservers.net:80'
    hash_id: '0x1c4cbdcdcd2efd2a'

# Repositories
galera_apt_repo_url: "https://mirror.rackspace.com/mariadb/repo/10.0/ubuntu"
galera_apt_repo:
  repo: "deb {{ galera_apt_repo_url }} {{ ansible_distribution_release }} main"
  state: "present"

galera_apt_percona_xtrabackup_url: "https://repo.percona.com/apt"
galera_apt_percona_xtrabackup_repo:
  repo: "deb {{ galera_apt_percona_xtrabackup_url }} {{ ansible_distribution_release }} main"
  state: "present"

galera_package_url: "https://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.2.13/binary/debian/trusty/x86_64/percona-xtrabackup-22_2.2.13-1.trusty_amd64.deb"
galera_package_sha256: "2f58eedefa905583f0650f77bb2b149139c4066c7fb690202124fe5c7ac83e9e"
galera_package_path: "/opt/{{ galera_package_url | basename }}"

galera_pip_packages:
  - MySQL-python
  - pycrypto

galera_pre_apt_packages:
  - debconf-utils
  - libaio1
  - libc6
  - libdbd-mysql-perl
  - libgcc1
  - libgcrypt11
  - libstdc++6
  - python-software-properties
  - software-properties-common

# The package name for mariaDB is set as a variable
# so that it can be used in debconf later in the
# "galera_common" role.
galera_mariadb_server_package: "mariadb-galera-server-10.0"

# NB This is specifically galera_packages as these packages only get installed
# during the galera play - this is because of the preseed task and the service
# startup control used when installing mariadb-galera-server and galera.
galera_apt_packages:
  - mariadb-client
  - "{{ galera_mariadb_server_package }}"
  - galera-3
  - qpress
  - rsync
  - socat

galera_debconf_items:
  - question: "mysql-server/root_password"
    name: "{{ galera_mariadb_server_package }}"
    value: "{{ galera_root_password }}"
    vtype: "string"
  - question: "mysql-server/root_password_again"
    name: "{{ galera_mariadb_server_package }}"
    value: "{{ galera_root_password }}"
    vtype: "string"

# Galera slow/unindexed query logging
galera_slow_query_logging: 0
galera_unindexed_query_logging: 0

## Tunable overrides
galera_my_cnf_overrides: {}
galera_cluster_cnf_overrides: {}
galera_debian_cnf_overrides: {}

# Set the max connections value for galera. Set this value to override the
# computed value which is (100 x vCPUs). If computed, the lowest value throughout
# the cluster will be used which is something to note if deploying galera on different
# hardware.
# galera_max_connections: 500