Fix kernel module filename for OVS versions

Better kernel module filename handling to support OVS v2; New fact for
OVS version

Closes-Bug: 1453213
Change-Id: I5bcfd00366bea5c46bb3a62cacd9e5b55d8c2ffe

lib/facter/ovs.rb

@@ -0,0 +1,7 @@
+Facter.add("ovs_version") do
+  confine :kernel => "Linux"
+
+  setcode do
+    Facter::Core::Execution.exec('/usr/bin/ovs-vsctl --version').gsub(/.*ovs-vsctl\s+\(Open\s+vSwitch\)\s+(\d+\.\d+\.\d+).*/, '\1')
+  end
+end

manifests/ovs.pp

@@ -61,8 +61,16 @@ class vswitch::ovs(
         name      => $::vswitch::params::ovs_service_name,
         hasstatus => false, # the supplied command returns true even if it's not running
         # Not perfect - should spot if either service is not running - but it'll do
-        status    => $ovs_status
+        status    => $ovs_status,
       }
+
+      $major_version = regsubst($::ovs_version, '^(\d+).*', '\1')
+      if $major_version == '1' {
+        $kernel_mod_file = "/lib/modules/${::kernelrelease}/updates/dkms/openvswitch_mod.ko"
+      } else {
+        $kernel_mod_file = "/lib/modules/${::kernelrelease}/updates/dkms/openvswitch.ko"
+      }
+
     }
     'Redhat': {
       service { 'openvswitch':

spec/classes/vswitch_ovs_spec.rb

@@ -96,7 +96,9 @@ describe 'vswitch::ovs' do
     let :params do default_params end
 
     let :facts do
-      {:osfamily => 'Redhat'}
+      {:osfamily => 'Redhat',
+       :ovs_version     => '1.4.2',
+      }
     end
 
     let :platform_params do redhat_platform_params end
@@ -113,7 +115,9 @@ describe 'vswitch::ovs' do
     end
 
     let :facts do
-      {:osfamily => 'Redhat'}
+      {:osfamily => 'Redhat',
+       :ovs_version     => '1.4.2',
+      }
     end
     let :platform_params do redhat_platform_params end
 
@@ -127,6 +131,7 @@ describe 'vswitch::ovs' do
     let :facts do
       {:osfamily        => 'Debian',
        :operatingsystem => 'Debian',
+       :ovs_version     => '1.4.2',
       }
     end
     let :platform_params do debian_platform_params end
@@ -145,6 +150,7 @@ describe 'vswitch::ovs' do
     let :facts do
       {:osfamily        => 'Debian',
        :operatingsystem => 'Debian',
+       :ovs_version     => '1.4.2',
       }
     end
     let :platform_params do debian_platform_params end
@@ -159,6 +165,7 @@ describe 'vswitch::ovs' do
     let :facts do
       {:osfamily        => 'Debian',
        :operatingsystem => 'ubuntu',
+       :ovs_version     => '1.4.2',
       }
     end
     let :platform_params do ubuntu_platform_params end
@@ -177,6 +184,7 @@ describe 'vswitch::ovs' do
     let :facts do
       {:osfamily        => 'Debian',
        :operatingsystem => 'ubuntu',
+       :ovs_version     => '1.4.2',
       }
     end
     let :platform_params do ubuntu_platform_params end
@@ -191,6 +199,7 @@ describe 'vswitch::ovs' do
     let :facts do
       {:osfamily        => 'FreeBSD',
        :operatingsystem => 'FreeBSD',
+       :ovs_version     => '1.4.2',
       }
     end
     let :platform_params do freebsd_platform_params end
@@ -218,6 +227,7 @@ describe 'vswitch::ovs' do
     let :facts do
       {:osfamily        => 'FreeBSD',
        :operatingsystem => 'FreeBSD',
+       :ovs_version     => '1.4.2',
       }
     end
     let :platform_params do freebsd_platform_params end