deployment: restart networking after grabbing /etc/network/interfaces via REST API

Now having verified that it works in toram mode when booting via NFS/PXE

From: Michael Prokop <mprokop@sipwise.com>

deployment.sh

@@ -913,6 +913,15 @@ if "$RETRIEVE_MGMT_CONFIG" ; then
 
   cp /etc/network/interfaces "${TARGET}/etc/network/interfaces"
 
+  # restart networking for the time being only when running either in toram mode
+  # or not booting from NFS, once we've finished the carrier setup procedure we
+  # should be able to make this as our only supported default mode and drop
+  # everything inside the 'else' statement...
+  if grep -q 'toram' /proc/cmdline || ! grep -q 'root=/dev/nfs' /proc/cmdline ; then
+    echo  'Restarting networking'
+    logit 'Restarting networking'
+    /etc/init.d/networking restart
+  else
     # make sure we can access the management system which might be reachable
     # through a specific VLAN only
     ip link set dev "$INTERNAL_DEV" down # avoid conflicts with VLAN device(s)
@@ -927,6 +936,7 @@ if "$RETRIEVE_MGMT_CONFIG" ; then
       echo "Bringing up VLAN interface $interface"
       ifup "$interface"
     done
+  fi # toram
 fi