puppet-nova/manifests/db.pp

180 lines
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Puppet

#
# Copyright (C) 2014 eNovance SAS <licensing@enovance.com>
#
# Author: Emilien Macchi <emilien.macchi@enovance.com>
#
# 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.
#
# == Class: nova::db
#
# Configures the Nova database.
#
# == Parameters
#
# [*database_connection*]
# (optional) Connection url to connect to nova database.
# Defaults to $::os_service_default
#
# [*slave_connection*]
# (optional) Connection url to connect to nova slave database (read-only).
# Defaults to $::os_service_default
#
# [*database_connection_recycle_time*]
# Timeout when db connections should be reaped.
# (Optional) Defaults to $::os_service_default
#
# [*database_max_pool_size*]
# Maximum number of SQL connections to keep open in a pool.
# (Optional) Defaults to $::os_service_default
#
# [*database_max_retries*]
# Maximum db connection retries during startup.
# Setting -1 implies an infinite retry count.
# (Optional) Defaults to $::os_service_default
#
# [*database_retry_interval*]
# Interval between retries of opening a sql connection.
# (Optional) Defaults to $::os_service_default
#
# [*database_max_overflow*]
# If set, use this value for max_overflow with sqlalchemy.
# (Optional) Defaults to $::os_service_default
#
# [*database_pool_timeout*]
# (Optional) If set, use this value for pool_timeout with SQLAlchemy.
# Defaults to $::os_service_default
#
# [*database_db_max_retries*]
# (optional) Maximum retries in case of connection error or deadlock error
# before error is raised. Set to -1 to specify an infinite retry count.
# Defaults to $::os_service_default
#
# [*mysql_enable_ndb*]
# (Optional) If True, transparently enables support for handling MySQL
# Cluster (NDB).
# Defaults to $::os_service_default
#
# [*api_database_connection*]
# (optional) Connection url to connect to nova api database.
# Defaults to $::os_service_default
#
# [*api_slave_connection*]
# (optional) Connection url to connect to nova api slave database (read-only).
# Defaults to $::os_service_default
#
# [*api_database_connection_recycle_time*]
# Timeout when nova api db connections should be reaped.
# (Optional) Defaults to $::os_service_default
#
# [*api_database_max_pool_size*]
# Maximum number of SQL connections to keep open in a pool.
# (Optional) Defaults to $::os_service_default
#
# [*api_database_max_retries*]
# Maximum db connection retries during startup.
# Setting -1 implies an infinite retry count.
# (Optional) Defaults to $::os_service_default
#
# [*api_database_retry_interval*]
# Interval between retries of opening a sql connection.
# (Optional) Defaults to $::os_service_default
#
# [*api_database_max_overflow*]
# If set, use this value for max_overflow with sqlalchemy.
# (Optional) Defaults to $::os_service_default
#
# [*api_database_pool_timeout*]
# (Optional) If set, use this value for pool_timeout with SQLAlchemy.
# Defaults to $::os_service_default
#
# DEPRECATED PARAMETERS
#
# [*database_min_pool_size*]
# Minimum number of SQL connections to keep open in a pool.
# (Optional) Defaults to undef
#
class nova::db (
$database_connection = $::os_service_default,
$slave_connection = $::os_service_default,
$database_connection_recycle_time = $::os_service_default,
$database_max_pool_size = $::os_service_default,
$database_max_retries = $::os_service_default,
$database_retry_interval = $::os_service_default,
$database_max_overflow = $::os_service_default,
$database_pool_timeout = $::os_service_default,
$database_db_max_retries = $::os_service_default,
$mysql_enable_ndb = $::os_service_default,
$api_database_connection = $::os_service_default,
$api_slave_connection = $::os_service_default,
$api_database_connection_recycle_time = $::os_service_default,
$api_database_max_pool_size = $::os_service_default,
$api_database_max_retries = $::os_service_default,
$api_database_retry_interval = $::os_service_default,
$api_database_max_overflow = $::os_service_default,
$api_database_pool_timeout = $::os_service_default,
# DEPRECATED PARAMETERS
$database_min_pool_size = undef,
) {
include nova::deps
if $::nova::database_min_pool_size or $database_min_pool_size {
warning('The database_min_pool_size parameter is deprecated, and will be removed in a future release.')
}
# NOTE(spredzy): In order to keep backward compatibility we rely on the pick function
# to use nova::<myparam> first the nova::db::<myparam>
$database_connection_real = pick($::nova::database_connection, $database_connection)
$slave_connection_real = pick($::nova::slave_connection, $slave_connection)
$api_database_connection_real = pick($::nova::api_database_connection, $api_database_connection)
$api_slave_connection_real = pick($::nova::api_slave_connection, $api_slave_connection)
$database_connection_recycle_time_real = pick($::nova::database_idle_timeout, $database_connection_recycle_time)
$database_max_pool_size_real = pick($::nova::database_max_pool_size, $database_max_pool_size)
$database_max_retries_real = pick($::nova::database_max_retries, $database_max_retries)
$database_retry_interval_real = pick($::nova::database_retry_interval, $database_retry_interval)
$database_max_overflow_real = pick($::nova::database_max_overflow, $database_max_overflow)
if !is_service_default($database_connection_real) {
oslo::db { 'nova_config':
db_max_retries => $database_db_max_retries,
connection => $database_connection_real,
connection_recycle_time => $database_connection_recycle_time_real,
max_pool_size => $database_max_pool_size_real,
max_retries => $database_max_retries_real,
retry_interval => $database_retry_interval_real,
max_overflow => $database_max_overflow_real,
pool_timeout => $database_pool_timeout,
mysql_enable_ndb => $mysql_enable_ndb,
slave_connection => $slave_connection_real,
}
}
if !is_service_default($api_database_connection_real) {
oslo::db { 'api_database':
config => 'nova_config',
config_group => 'api_database',
connection => $api_database_connection_real,
slave_connection => $api_slave_connection_real,
connection_recycle_time => $api_database_connection_recycle_time,
max_pool_size => $api_database_max_pool_size,
max_retries => $api_database_max_retries,
retry_interval => $api_database_retry_interval,
max_overflow => $api_database_max_overflow,
pool_timeout => $api_database_pool_timeout,
# Package management should be disabled here to avoid conflict.
manage_backend_package => false
}
}
}