Add disable_dhclient parameter

README.markdown

@@ -156,6 +156,11 @@ client and symmetric passive associations.
 
 Disable kernel time discipline.
 
+####`disable_dhclient`
+
+Disables `ntp-servers` in `dhclient.conf` to avoid Dhclient from managing
+the NTP configuration.
+
 ####`disable_monitor`
 
 Disables the monitoring facility in NTP. Valid options: 'true' or 'false'. Default value: 'false'

manifests/config.pp

@@ -33,4 +33,14 @@
     }
   }
 
+  if $ntp::disable_dhclient {
+    augeas { 'disable ntp-servers in dhclient.conf':
+      context => '/files/etc/dhcp/dhclient.conf',
+      changes => 'rm request/*[.="ntp-servers"]',
+    }
+
+    file { '/var/lib/ntp/ntp.conf.dhcp':
+      ensure => absent,
+    }
+  }
 }

manifests/init.pp

@@ -4,6 +4,7 @@
   $config            = $ntp::params::config,
   $config_template   = $ntp::params::config_template,
   $disable_auth      = $ntp::params::disable_auth,
+  $disable_dhclient  = $ntp::params::disable_dhclient,
   $disable_kernel    = $ntp::params::disable_kernel,
   $disable_monitor   = $ntp::params::disable_monitor,
   $fudge             = $ntp::params::fudge,
@@ -47,6 +48,7 @@
   validate_absolute_path($config)
   validate_string($config_template)
   validate_bool($disable_auth)
+  validate_bool($disable_dhclient)
   validate_bool($disable_kernel)
   validate_bool($disable_monitor)
   validate_absolute_path($driftfile)

manifests/params.pp

@@ -28,6 +28,7 @@
   $tos_floor         = '1'
   $tos_ceiling       = '15'
   $tos_cohort        = '0'
+  $disable_dhclient  = false
 
   # Allow a list of fudge options
   $fudge             = []

spec/classes/ntp_spec.rb

@@ -155,6 +155,32 @@
             end
           end
         end
+        describe 'with parameter disable_dhclient' do
+          context 'when set to true' do
+            let(:params) {{
+              :disable_dhclient => true,
+            }}
+
+            it 'should contain disable ntp-servers setting' do
+              should contain_augeas('disable ntp-servers in dhclient.conf')
+            end
+            it 'should contain dhcp file' do
+              should contain_file('/var/lib/ntp/ntp.conf.dhcp').with_ensure('absent')
+            end
+          end
+          context 'when set to false' do
+            let(:params) {{
+              :disable_dhclient => false,
+            }}
+
+            it 'should not contain disable ntp-servers setting' do
+              should_not contain_augeas('disable ntp-servers in dhclient.conf')
+            end
+            it 'should not contain dhcp file' do
+              should_not contain_file('/var/lib/ntp/ntp.conf.dhcp').with_ensure('absent')
+            end
+          end
+        end
         describe 'with parameter disable_kernel' do
           context 'when set to true' do
             let(:params) {{