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# @summary
# Defines members of `mod_proxy_balancer`
#
# Sets up a balancer member inside a listening service configuration block in
# the load balancer's `apache.cfg`.
#
# This type will setup a balancer member inside a listening service
# configuration block in /etc/apache/apache.cfg on the load balancer.
# Currently it only has the ability to specify the instance name, url and an
# array of options. More features can be added as needed. The best way to
# implement this is to export this resource for all apache balancer member
# servers, and then collect them on the main apache load balancer.
#
# @note
# Currently requires the puppetlabs/concat module on the Puppet Forge and
# uses storeconfigs on the Puppet Server to export/collect resources
# from all balancer members.
#
# @param name
# The title of the resource is arbitrary and only utilized in the concat
# fragment name.
#
# @param balancer_cluster
# The apache service's instance name (or, the title of the apache::balancer
# resource). This must match up with a declared apache::balancer resource.
#
# @param url
# The url used to contact the balancer member server.
#
# @param options
# Specifies an array of [options](https://httpd.apache.org/docs/current/mod/mod_proxy.html#balancermember)
# after the URL, and accepts any key-value pairs available to `ProxyPass`.
#
# @example
# @@apache::balancermember { 'apache':
# balancer_cluster => 'puppet00',
# url => "ajp://${::fqdn}:8009"
# options => ['ping=5', 'disablereuse=on', 'retry=5', 'ttl=120'],
# }
#
define apache::balancermember (
String $balancer_cluster,
Apache::ModProxyProtocol $url = "http://${$facts['networking']['fqdn']}/",
Array $options = [],
) {
concat::fragment { "BalancerMember ${name}":
target => "apache_balancer_${balancer_cluster}",
content => inline_template(" BalancerMember ${url} <%= @options.join ' ' %>\n"),
}
}
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