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# Copyright 2016 Red Hat, Inc.
#
# 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: tripleo::profile::base::haproxy
#
# Loadbalancer profile for tripleo
#
# === Parameters
#
# [*certificates_specs*]
# (Optional) The specifications to give to certmonger for the certificate(s)
# it will create.
# Example with hiera:
# tripleo::profile::base::haproxy::certificates_specs:
# undercloud-haproxy-public-cert:
# service_pem: <haproxy ready pem file>
# service_certificate: <service certificate path>
# service_key: <service key path>
# hostname: <undercloud fqdn>
# postsave_cmd: <command to update certificate on resubmit>
# principal: "haproxy/<undercloud fqdn>"
# Defaults to {}.
#
# [*certmonger_ca*]
# (Optional) The CA that certmonger will use to generate the certificates.
# Defaults to hiera('certmonger_ca', 'local').
#
# [*enable_load_balancer*]
# (Optional) Whether or not loadbalancer is enabled.
# Defaults to hiera('enable_load_balancer', true).
#
# [*generate_service_certificates*]
# (Optional) Whether or not certmonger will generate certificates for
# HAProxy. This could be as many as specified by the $certificates_specs
# variable.
# Note that this doesn't configure the certificates in haproxy, it merely
# creates the certificates.
# Defaults to hiera('generate_service_certificate', false).
#
# [*step*]
# (Optional) The current step in deployment. See tripleo-heat-templates
# for more details.
# Defaults to hiera('step')
#
class tripleo::profile::base::haproxy (
$certificates_specs = {},
$certmonger_ca = hiera('certmonger_ca', 'local'),
$enable_load_balancer = hiera('enable_load_balancer', true),
$generate_service_certificates = hiera('generate_service_certificates', false),
$step = hiera('step'),
) {
if $step >= 1 {
if $enable_load_balancer {
if str2bool($generate_service_certificates) {
include ::certmonger
# This is only needed for certmonger's local CA. For any other CA this
# operation (trusting the CA) should be done by the deployer.
if $certmonger_ca == 'local' {
class { '::tripleo::certmonger::ca::local':
notify => Class['::tripleo::haproxy']
}
}
Certmonger_certificate {
ca => $certmonger_ca,
ensure => 'present',
wait => true,
require => Class['::certmonger'],
}
create_resources('::tripleo::certmonger::haproxy', $certificates_specs)
# The haproxy fronends (or listen resources) depend on the certificate
# existing and need to be refreshed if it changed.
Tripleo::Certmonger::Haproxy<||> ~> Haproxy::Listen<||>
}
class {'::tripleo::haproxy':
internal_certificates_specs => $certificates_specs,
}
unless hiera('tripleo::haproxy::haproxy_service_manage', true) {
# Reload HAProxy configuration if the haproxy class has refreshed or any
# HAProxy frontend endpoint has changed.
exec { 'haproxy-reload':
command => 'systemctl reload haproxy',
path => ['/usr/bin', '/usr/sbin'],
refreshonly => true,
onlyif => 'pcs property | grep -q "maintenance-mode.*true"',
subscribe => Class['::haproxy']
}
Haproxy::Listen<||> ~> Exec['haproxy-reload']
Haproxy::Balancermember<||> ~> Exec['haproxy-reload']
}
}
}
}
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