Install package libreswan in RHEL 7 systems for vpnaas

RHEL 7 systems have replaced the openswan package with libreswan.

Change-Id: I4c8e891b83b8301cb111af1be6e84ec4cf9c69a1

Author: hogepodge

manifests/params.pp

@@ -43,7 +43,11 @@
 
     $vpnaas_agent_package = 'openstack-neutron-vpn-agent'
     $vpnaas_agent_service = 'neutron-vpn-agent'
-    $openswan_package     = 'openswan'
+    if $::operatingsystemrelease =~ /^7.*/ {
+      $openswan_package     = 'libreswan'
+    } else {
+      $openswan_package     = 'openswan'
+    }
 
     $l3_agent_package   = false
     $l3_agent_service   = 'neutron-l3-agent'

spec/classes/neutron_agents_vpnaas_spec.rb

@@ -126,13 +126,31 @@
     it_configures 'neutron vpnaas agent'
   end
 
-  context 'on RedHat platforms' do
+  context 'on RedHat 6 platforms' do
     let :facts do
-      { :osfamily => 'RedHat' }
+      { :osfamily                  => 'RedHat',
+        :operatingsystemrelease    => '6.5',
+        :operatingsystemmajrelease => 6 }
     end
 
     let :platform_params do
-      { :openswan_package   => 'openswan',
+      { :openswan_package     => 'openswan',
+        :vpnaas_agent_package => 'openstack-neutron-vpn-agent',
+        :vpnaas_agent_service => 'neutron-vpn-agent'}
+    end
+
+    it_configures 'neutron vpnaas agent'
+  end
+
+  context 'on RedHat 7 platforms' do
+    let :facts do
+      { :osfamily                  => 'RedHat',
+        :operatingsystemrelease    => '7.1.2',
+        :operatingsystemmajrelease => 7 }
+    end
+
+    let :platform_params do
+      { :openswan_package     => 'libreswan',
         :vpnaas_agent_package => 'openstack-neutron-vpn-agent',
         :vpnaas_agent_service => 'neutron-vpn-agent'}
     end