Yanis Guenane 35d99d0c81 Implement sticky/persistent session with HAProxy
This commit implements sticky/persisten session between
HAProxy and Horizon based on the leastconn fashion

Related to #237
(cherry picked from commit 1a64e535b7f1a13c6ccd6388a0c95131a91f77eb)

Conflicts:
	manifests/loadbalancer.pp
2014-04-29 14:58:24 +02:00

146 lines
4.3 KiB
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#
# Copyright (C) 2014 eNovance SAS <licensing@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: cloud::dashboard
#
# Installs the OpenStack Dashboard (Horizon)
#
# === Parameters:
#
# [*ks_keystone_internal_host*]
# (optional) Internal address for endpoint.
# Defaults to '127.0.0.1'
#
# [*secret_key*]
# (optional) Secret key. This is used by Django to provide cryptographic
# signing, and should be set to a unique, unpredictable value.
# Defaults to 'secrete'
#
# [*horizon_port*]
# (optional) Port used to connect to OpenStack Dashboard
# Defaults to '80'
#
# [*api_eth*]
# (optional) Which interface we bind the Horizon server.
# Defaults to '127.0.0.1'
#
# [*servername*]
# (optional) DNS name used to connect to Openstack Dashboard.
# Default value fqdn.
#
# [*listen_ssl*]
# (optional) Enable SSL on OpenStack Dashboard vhost
# It requires SSL files (keys and certificates)
# Defaults false
#
# [*keystone_proto*]
# (optional) Protocol (http or https) of keystone endpoint.
#  Defaults to 'http'
#
# [*keystone_host*]
# (optional) IP / Host of keystone endpoint.
#  Defaults '127.0.0.1'
#
# [*keystone_port*]
# (optional) TCP port of keystone endpoint.
#  Defaults to '5000'
#
# [*debug*]
# (optional) Enable debug or not.
#  Defaults to true
#
# [*listen_ssl*]
# (optional) Enable SSL support in Apache. (Defaults to false)
#
# [*horizon_cert*]
# (required with listen_ssl) Certificate to use for SSL support.
#
# [*horizon_key*]
# (required with listen_ssl) Private key to use for SSL support.
#
# [*horizon_ca*]
# (required with listen_ssl) CA certificate to use for SSL support.
#
class cloud::dashboard(
$ks_keystone_internal_host = '127.0.0.1',
$secret_key = 'secrete',
$horizon_port = 80,
$servername = $::fqdn,
$api_eth = '127.0.0.1',
$listen_ssl = false,
$keystone_host = '127.0.0.1',
$keystone_proto = 'http',
$keystone_port = 5000,
$debug = true,
$listen_ssl = false,
$horizon_cert = undef,
$horizon_key = undef,
$horizon_ca = undef,
) {
# We build the param needed for horizon class
$keystone_url = "${keystone_proto}://${keystone_host}:${keystone_port}/v2.0"
# Apache2 specific configuration
$vhost_extra_params = {
'add_listen' => true
}
ensure_resource('class', 'apache', {
default_vhost => false
})
class { 'horizon':
secret_key => $secret_key,
can_set_mount_point => 'False',
# fqdn can can be ambiguous since we use reverse DNS here,
# e.g: 127.0.0.1 instead of a public IP address.
# We force $api_eth to avoid this situation
fqdn => $api_eth,
servername => $servername,
bind_address => $api_eth,
swift => true,
keystone_url => $keystone_url,
cache_server_ip => false,
django_debug => $debug,
neutron_options => { 'enable_lb' => true },
listen_ssl => $listen_ssl,
horizon_cert => $horizon_cert,
horizon_key => $horizon_key,
horizon_ca => $horizon_ca,
vhost_extra_params => $vhost_extra_params
}
if ($::osfamily == 'Debian') {
# TODO(Gonéri): HACK to ensure Horizon can cache its files
$horizon_var_dir = ['/var/lib/openstack-dashboard/static/js','/var/lib/openstack-dashboard/static/css']
file {$horizon_var_dir:
ensure => directory,
owner => 'horizon',
group => 'horizon',
}
}
@@haproxy::balancermember{"${::fqdn}-horizon":
listening_service => 'horizon_cluster',
server_names => $::hostname,
ipaddresses => $api_eth,
ports => $horizon_port,
options => "check inter 2000 rise 2 fall 5 cookie ${::hostname}"
}
}