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-rw-r--r--manifests/profile/base/neutron.pp28
-rw-r--r--releasenotes/notes/calculate-dhcp-agents-per-network-3089c5e7b15f8b7b.yaml5
-rw-r--r--spec/classes/tripleo_profile_base_neutron_spec.rb76
3 files changed, 109 insertions, 0 deletions
diff --git a/manifests/profile/base/neutron.pp b/manifests/profile/base/neutron.pp
index 0d647f8..2f01b75 100644
--- a/manifests/profile/base/neutron.pp
+++ b/manifests/profile/base/neutron.pp
@@ -65,6 +65,19 @@
# [*oslomsg_use_ssl*]
# Enable ssl oslo messaging services
# Defaults to hiera('neutron::rabbit_use_ssl', '0')
+#
+# [*dhcp_agents_per_network*]
+# (Optional) TripleO configured number of DHCP agents
+# to use per network. If left to the default value, neutron will be
+# configured with the number of DHCP agents being deployed.
+# Defaults to undef
+#
+# [*dhcp_nodes*]
+# (Optional) List of nodes running the DHCP agent. Used to
+# set neutron's dhcp_agents_per_network value to the number
+# of available agents.
+# Defaults to hiera('neutron_dhcp_short_node_names') or []
+#
class tripleo::profile::base::neutron (
$step = hiera('step'),
@@ -79,9 +92,23 @@ class tripleo::profile::base::neutron (
$oslomsg_notify_port = hiera('neutron::rabbit_port', '5672'),
$oslomsg_notify_username = hiera('neutron::rabbit_userid', 'guest'),
$oslomsg_use_ssl = hiera('neutron::rabbit_use_ssl', '0'),
+ $dhcp_agents_per_network = undef,
+ $dhcp_nodes = hiera('neutron_dhcp_short_node_names', []),
) {
if $step >= 3 {
$oslomsg_use_ssl_real = sprintf('%s', bool2num(str2bool($oslomsg_use_ssl)))
+
+ $dhcp_agent_count = size($dhcp_nodes)
+ if $dhcp_agents_per_network {
+ $dhcp_agents_per_net = $dhcp_agents_per_network
+ if ($dhcp_agents_per_net > $dhcp_agent_count) {
+ warning("dhcp_agents_per_network (${dhcp_agents_per_net}) is greater\
+ than the number of deployed dhcp agents (${dhcp_agent_count})")
+ }
+ }
+ elsif $dhcp_agent_count > 0 {
+ $dhcp_agents_per_net = $dhcp_agent_count
+ }
class { '::neutron' :
default_transport_url => os_transport_url({
'transport' => $oslomsg_rpc_proto,
@@ -99,6 +126,7 @@ class tripleo::profile::base::neutron (
'password' => $oslomsg_notify_password,
'ssl' => $oslomsg_use_ssl_real,
}),
+ dhcp_agents_per_network => $dhcp_agents_per_net,
}
include ::neutron::config
}
diff --git a/releasenotes/notes/calculate-dhcp-agents-per-network-3089c5e7b15f8b7b.yaml b/releasenotes/notes/calculate-dhcp-agents-per-network-3089c5e7b15f8b7b.yaml
new file mode 100644
index 0000000..800cedc
--- /dev/null
+++ b/releasenotes/notes/calculate-dhcp-agents-per-network-3089c5e7b15f8b7b.yaml
@@ -0,0 +1,5 @@
+---
+features: |
+ - Unless a non-default value is provided, the dhcp_agents_per_network
+ neutron configuration variable is set to the number of deployed
+ neutron dhcp agents.
diff --git a/spec/classes/tripleo_profile_base_neutron_spec.rb b/spec/classes/tripleo_profile_base_neutron_spec.rb
new file mode 100644
index 0000000..504be5b
--- /dev/null
+++ b/spec/classes/tripleo_profile_base_neutron_spec.rb
@@ -0,0 +1,76 @@
+#
+# Copyright (C) 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.
+#
+
+require 'spec_helper'
+
+describe 'tripleo::profile::base::neutron' do
+ let :params do
+ { :step => 5,
+ :oslomsg_notify_password => 'foobar',
+ :oslomsg_rpc_password => 'foobar'
+ }
+ end
+
+ shared_examples_for 'tripleo::profile::base::neutron' do
+ before :each do
+ facts.merge!({ :step => params[:step] })
+ end
+
+ context 'when no dhcp agents per network set' do
+ before do
+ params.merge!({
+ :dhcp_nodes => ['netcont1.localdomain', 'netcont2.localdomain', 'netcont3.localdomain']
+ })
+ end
+ it 'should equal the number of dhcp agents' do
+ is_expected.to contain_class('neutron').with(:dhcp_agents_per_network => 3)
+ end
+ end
+
+ context 'when dhcp agents per network is set' do
+ before do
+ params.merge!({
+ :dhcp_agents_per_network => 2
+ })
+ end
+ it 'should set the the value' do
+ is_expected.to contain_class('neutron').with(:dhcp_agents_per_network => 2)
+ end
+ end
+
+ context 'when dhcp agents per network is greater than number of agents' do
+ before do
+ params.merge!({
+ :dhcp_nodes => ['netcont1.localdomain', 'netcont2.localdomain'],
+ :dhcp_agents_per_network => 5
+ })
+ end
+ it 'should set value and complain about not enough agents' do
+ is_expected.to contain_class('neutron').with(:dhcp_agents_per_network => 5)
+ end
+ end
+ end
+
+ on_supported_os.each do |os, facts|
+ context "on #{os}" do
+ let(:facts) do
+ facts.merge({ :hostname => 'node.example.com' })
+ end
+
+ it_behaves_like 'tripleo::profile::base::neutron'
+ end
+ end
+end