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PuppetLabs Module for haproxy
HAProxy is an HA proxying daemon for load-balancing to clustered services. It can proxy TCP directly, or other kinds of traffic such as HTTP.
Basic Usage
This haproxy uses storeconfigs to collect and realize balancer member servers on a load balancer server. Currently Redhat family OSes are supported.
To install and configure HAProxy server listening on port 8140
node 'haproxy-server' {
class { 'haproxy': }
haproxy::listen { 'puppet00':
ipaddress => $::ipaddress,
ports => '8140',
}
}
To add backend loadbalance members
node 'webserver01' {
@@haproxy::balancermember { $fqdn:
listening_service => 'puppet00',
server_names => $::hostname,
ipaddresses => $::ipaddress,
ports => '8140',
options => 'check'
}
}
Configuring haproxy options
The base haproxy class can accept two parameters which will configure basic
behaviour of the haproxy server daemon:
global_optionsto configure theglobalsection inhaproxy.cfgdefaults_optionsto configure thedefaultssection inhaproxy.cfg
Configuring haproxy daemon listener
One haproxy::listen defined resource should be defined for each HAProxy loadbalanced set of backend servers. The title of the haproxy::listen resource is the key to which balancer members will be proxied to. The ipaddress field should be the public ip address which the loadbalancer will be contacted on. The ports attribute can accept an array or comma-separated list of ports which should be proxied to the haproxy::balancermember nodes.
Configuring haproxy daemon frontend
One haproxy::frontend defined resource should be defined for each HAProxy front end you wish to set up. The ipaddress field should be the public ip address which the loadbalancer will be contacted on. The ports attribute can accept an array or comma-separated list of ports which should be proxied to the haproxy::backend resources.
Configuring haproxy daemon backend
One haproxy::backend defined resource should be defined for each HAProxy loadbalanced set of backend servers. The title of the haproxy::backend resource is the key to which balancer members will be proxied to. Note that an haproxy::listen resource and haproxy::backend resource can have the same name, and any balancermembers exported to that name will show up in both places. This is likely to have unsatisfactory results, but there's nothing preventing this from happening.
Configuring haproxy loadbalanced member nodes
The haproxy::balancermember defined resource should be exported from each node
which is serving loadbalanced traffic. the listening_service attribute will
associate it with haproxy::listen directives on the haproxy node.
ipaddresses and ports will be assigned to the member to be contacted on. If an array of ipaddresses and server_names are provided then they will be added to the config in lock-step.
Dependencies
Tested and built on Ubuntu and CentOS
Copyright and License
Copyright (C) 2012 Puppet Labs Inc
Puppet Labs can be contacted at: info@puppetlabs.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.
2013-10-08 - Version 0.4.1
Summary:
Fix the dependency for concat.
Fixes:
- Changed the dependency to be the puppetlabs/concat version.
2013-10-03 - Version 0.4.0
Summary:
The largest feature in this release is the new haproxy::frontend and haproxy::backend defines. The other changes are mostly to increase flexibility.
Features:
- Added parameters to haproxy:
package_name: Allows alternate package name.- Add haproxy::frontend and haproxy::backend defines.
- Add an ensure parameter to balancermember so they can be removed.
- Made chroot optional
Fixes:
- Remove deprecation warnings from templates.
2013-05-25 - Version 0.3.0 Features:
- Add travis testing
- Add
haproxy::balancermemberdefine_cookiesparameter - Add array support to
haproxy::listenipaddressparameter
Bugfixes:
- Documentation
- Listen -> Balancermember dependency
- Config line ordering
- Whitespace
- Add template lines for
haproxy::listenmodeparameter
2012-10-12 - Version 0.2.0
- Initial public release
- Backwards incompatible changes all around
- No longer needs ordering passed for more than one listener
- Accepts multiple listen ips/ports/server_names
Dependencies
- puppetlabs/concat (>= 1.0.0)
- puppetlabs/apt (>= 1.4.2)
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