Unbound: also override dhclient config on debian

The tripleo cloud uses dhcp, so make sure we override the nameserver
to point to localhost in that case.

Change-Id: If498925fc524ece91e2662a1d78008c8dce9d320

files/dhclient.conf.debian

@@ -0,0 +1,9 @@
+option rfc3442-classless-static-routes code 121 = array of unsigned integer 8;
+send host-name "<hostname>";
+request subnet-mask, broadcast-address, time-offset, routers,
+	domain-name, domain-name-servers, domain-search, host-name,
+	netbios-name-servers, netbios-scope, interface-mtu,
+	rfc3442-classless-static-routes, ntp-servers,
+	dhcp6.domain-search, dhcp6.fqdn,
+	dhcp6.name-servers, dhcp6.sntp-servers;
+supersede domain-name-servers 127.0.0.1;

manifests/init.pp

@@ -48,6 +48,14 @@ class unbound (
       mode    => '0444',
       require => Service['unbound'],
     }
+
+    # Tripleo uses dhcp
+    file { '/etc/dhcp/dhclient.conf':
+      source  => 'puppet:///modules/unbound/dhclient.conf.debian',
+      owner   => 'root',
+      group   => 'root',
+      mode    => '0444',
+    }
   }
 
   # Ubuntu uses resolvconf which will update resolv.conf to point to