dhcp: don't explicitly install dnsmasq

In both supported platforms (Debian and Redhat), the package is pulled
through dependencies, so no need to explicitly install it.

Change-Id: Ia26bc1202e8f274846f78417d0e8a24168f4ce76

manifests/agents/dhcp.pp

@@ -105,16 +105,6 @@ class neutron::agents::dhcp (
   include ::neutron::deps
   include ::neutron::params
 
-  case $dhcp_driver {
-    /\.Dnsmasq/: {
-      Package[$::neutron::params::dnsmasq_packages] -> Package<| title == 'neutron-dhcp-agent' |>
-      ensure_packages($::neutron::params::dnsmasq_packages)
-    }
-    default: {
-      fail("Unsupported dhcp_driver ${dhcp_driver}")
-    }
-  }
-
   if (! ($enable_isolated_metadata or $enable_force_metadata)) and $enable_metadata_network {
     fail('enable_metadata_network to true requires enable_isolated_metadata or enable_force_metadata also enabled.')
   } else {

manifests/params.pp

@@ -48,7 +48,6 @@ class neutron::params {
     $cisco_server_package       = 'openstack-neutron-cisco'
     $nvp_server_package         = 'openstack-neutron-nicira'
     $dhcp_agent_package         = false
-    $dnsmasq_packages           = ['dnsmasq', 'dnsmasq-utils']
     $lbaasv2_agent_package      = 'openstack-neutron-lbaas'
     $metering_agent_package     = 'openstack-neutron-metering-agent'
     $vpnaas_agent_package       = 'openstack-neutron-vpnaas'
@@ -87,7 +86,6 @@ class neutron::params {
     $openswan_package           = 'openswan'
     $libreswan_package          = false
     $metadata_agent_package     = 'neutron-metadata-agent'
-    $dnsmasq_packages           = ['dnsmasq-base', 'dnsmasq-utils']
     $l3_agent_package           = 'neutron-l3-agent'
     $fwaas_package              = 'python-neutron-fwaas'
   } else {

spec/classes/neutron_agents_dhcp_spec.rb

@@ -36,8 +36,6 @@ describe 'neutron::agents::dhcp' do
 
     it { is_expected.to contain_class('neutron::params') }
 
-    it_configures 'dnsmasq dhcp_driver'
-
     it 'configures dhcp_agent.ini' do
       is_expected.to contain_neutron_dhcp_agent_config('DEFAULT/debug').with_value('<SERVICE DEFAULT>');
       is_expected.to contain_neutron_dhcp_agent_config('DEFAULT/state_path').with_value(p[:state_path]);
@@ -176,24 +174,6 @@ describe 'neutron::agents::dhcp' do
     end
   end
 
-  shared_examples_for 'dnsmasq dhcp_driver' do
-    it 'installs dnsmasq packages' do
-      if platform_params.has_key?(:dhcp_agent_package)
-        is_expected.to contain_package(platform_params[:dnsmasq_base_package]).with_before(['Package[neutron-dhcp-agent]'])
-        is_expected.to contain_package(platform_params[:dnsmasq_utils_package]).with_before(['Package[neutron-dhcp-agent]'])
-      end
-      is_expected.to contain_package(platform_params[:dnsmasq_base_package]).with(
-        :ensure => 'present',
-        :name   => platform_params[:dnsmasq_base_package]
-      )
-      is_expected.to contain_package(platform_params[:dnsmasq_utils_package]).with(
-        :ensure => 'present',
-        :name   => platform_params[:dnsmasq_utils_package]
-      )
-    end
-  end
-
-
   context 'on Debian platforms' do
     let :facts do
       @default_facts.merge(test_facts.merge({
@@ -202,9 +182,7 @@ describe 'neutron::agents::dhcp' do
     end
 
     let :platform_params do
-      { :dnsmasq_base_package  => 'dnsmasq-base',
+      { :dhcp_agent_package    => 'neutron-dhcp-agent',
-        :dnsmasq_utils_package => 'dnsmasq-utils',
-        :dhcp_agent_package    => 'neutron-dhcp-agent',
         :dhcp_agent_service    => 'neutron-dhcp-agent' }
     end
 
@@ -225,9 +203,7 @@ describe 'neutron::agents::dhcp' do
     end
 
     let :platform_params do
-      { :dnsmasq_base_package  => 'dnsmasq',
+      { :dhcp_agent_service    => 'neutron-dhcp-agent' }
-        :dnsmasq_utils_package => 'dnsmasq-utils',
-        :dhcp_agent_service    => 'neutron-dhcp-agent' }
     end
 
     it_configures 'neutron dhcp agent'