Allow traffic from private gateway to internet

When private gateway is configured, the external server
which are connected through private gateway cannot send
traffic to outside world. Add a source iptable rule so
that the servers which are connected through private gateway
can ping the public IP's

Author: Rakesh Venkatesh

systemvm/debian/opt/cloud/bin/cs/CsAddress.py

@@ -503,9 +503,9 @@ def fw_vpcrouter(self):
                                             (address["network"], self.address["network"], self.dev)])
                             self.fw.append(["filter", "front", "-A FORWARD -s %s -d %s -j ACL_INBOUND_%s" %
                                             (self.address["network"], address["network"], address["device"])])
-                # Accept packet from private gateway if VPC VR is used as gateway
-                self.fw.append(["filter", "", "-A FORWARD -s %s ! -d %s -j ACCEPT" %
-                                (self.address['network'], self.address['network'])])
+            # Accept packet from private gateway if VPC VR is used as gateway
+            self.fw.append(["filter", "", "-A FORWARD -s %s ! -d %s -j ACCEPT" %
+                            (self.address['network'], self.address['network'])])
 
         if self.get_type() in ["public"]:
             self.fw.append(