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# 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: swift::memcache
#
# This class creates a memcache configuration file
#
#
# === Parameters
#
# [*memcache_servers*]
# (optional) You can use this single conf file instead of having
# memcache_servers set in several other conf files under [filter:cache] for
# example. You can specify multiple servers separated with commas, as in:
# 10.1.2.3:11211,10.1.2.4:11211
# Default to ['127.0.0.1:11211']
#
# [*memcache_serialization_support*]
# (optional) Sets how memcache values are serialized and deserialized:
# 0 = older, insecure pickle serialization
# 1 = json serialization but pickles can still be read (still insecure)
# 2 = json serialization only (secure and the default)
# To avoid an instant full cache flush, existing installations should
# upgrade with 0, then set to 1 and reload, then after some time (24 hours)
# set to 2 and reload.
# In the future, the ability to use pickle serialization will be removed.
# Default to $facts['os_service_default']
#
# [*memcache_max_connections*]
# (optional) Sets the maximum number of connections to each memcached server
# per worker
# Default to $facts['os_service_default']
#
# [*connect_timeout*]
# (optional) Timeout for connection
# Default to $facts['os_service_default']
#
# [*pool_timeout*]
# (optional) Timeout for pooled connection
# Default to $facts['os_service_default']
#
# [*tries*]
# (optional) number of servers to retry on failures getting a pooled
# connection
# Default to $facts['os_service_default']
#
# [*io_timeout*]
# (optional) Timeout for read and writes
# Default to $facts['os_service_default']
#
# [*purge_config*]
# (optional) Whether to set only the specified config options in the memcache
# config.
# Defaults to false.
#
# === Authors
#
# shi.yan@ardc.edu.au
#
class swift::memcache (
$memcache_servers = ['127.0.0.1:11211'],
$memcache_serialization_support = $facts['os_service_default'],
$memcache_max_connections = $facts['os_service_default'],
$connect_timeout = $facts['os_service_default'],
$pool_timeout = $facts['os_service_default'],
$tries = $facts['os_service_default'],
$io_timeout = $facts['os_service_default'],
Boolean $purge_config = false,
) {
include swift::deps
include swift::params
resources { 'swift_memcache_config':
purge => $purge_config,
}
file { '/etc/swift/memcache.conf':
ensure => 'file',
owner => 'root',
group => $::swift::params::group,
mode => '0640',
require => Anchor['swift::config::begin'],
before => Anchor['swift::config::end']
}
File['/etc/swift/memcache.conf'] -> Swift_memcache_config<||>
swift_memcache_config {
'memcache/memcache_servers': value => join(any2array($memcache_servers), ',');
'memcache/memcache_serialization_support': value => $memcache_serialization_support;
'memcache/memcache_max_connections': value => $memcache_max_connections;
'memcache/connect_timeout': value => $connect_timeout;
'memcache/pool_timeout': value => $pool_timeout;
'memcache/tries': value => $tries;
'memcache/io_timeout': value => $io_timeout;
}
}
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