Summary: CLOUDSTACK-1565 - Waits for ip to come up before setting default route

Submitted-by: Jayapal Reddy <jayapalreddy.uradi@citrix.com>
Signed-off-by: Marcus Sorensen <marcus@betterservers.com> 1364226284 -0600

patches/systemvm/debian/config/etc/init.d/cloud-early-config

@@ -389,8 +389,29 @@ setup_common() {
       if [ -z "$3" ]
       then
           ip route add default via $GW dev eth0
+      else
+	  timer=0
+	  #default route add fails if we run before interface configured with ip
+	  while true
+	  do
+      	      ip=$(ifconfig $3 | grep "inet addr:" | awk '{print $2}' | awk -F: '{print $2}')
+	      if [ -z $ip ] 
+	      then
+		      sleep 1;
+		      #waiting for the interface to setup with ip
+		      echo "waiting for $3 interface setup with ip"
 	      else
          	      ip route add default via $GW dev $3
+		      break
+	      fi
+	      
+	      if [ $timer -gt 5 ] 
+	      then
+	          echo "interface $3 is not set up with ip... configuring default route failed"
+		  break
+	  fi
+	  timer=`expr $timer + 1`
+	 done
       fi
   fi