Adding ability to get borrowed cell definition without changing the existing reservation.

Change-Id: Ib1fba430371f49f3c928998af98a6d347fabd93d

@@ -120,13 +120,17 @@ function cell {
         export ONOS_INSTANCES=$(env | grep 'OC[0-9]*=' | sort | cut -d= -f2)
         setPrimaryInstance 1 >/dev/null
         cell
+        onos-verify-cell
         ;;
     "return")
         curl -sS -X DELETE "http://$CELL_WARDEN:4321/?user=$(id -un)"
+        unset ONOS_CELL ONOS_NIC ONOS_IP ONOS_APPS ONOS_BOOT_FEATURES
+        unset OCI OCN OCT ONOS_INSTANCES ONOS_FEATURES
+        unset $(env | sed -n 's:\(^OC[0-9]\{1,\}\)=.*:\1 :g p')
         ;;
 
     "status")
-        curl -sS "http://$CELL_WARDEN:4321/"
+        curl -sS "http://$CELL_WARDEN:4321/" | sort
         ;;
 
     "")

+#!/bin/bash
+# -----------------------------------------------------------------------------
+# List available ONOS cells configuration.
+# -----------------------------------------------------------------------------
+
+[ ! -d "$ONOS_ROOT" ] && echo "ONOS_ROOT is not defined" >&2 && exit 1
+. $ONOS_ROOT/tools/dev/bash_profile
+
+cell "$@"
\ No newline at end of file

@@ -55,7 +55,6 @@ class Warden {
     private static final long TIMEOUT = 10; // 10 seconds
     private static final int MAX_MINUTES = 240; // 4 hours max
     private static final int MINUTE = 60_000; // 1 minute
-    private static final int DEFAULT_MINUTES = 60;
 
     private final File log = new File("warden.log");
 
@@ -158,10 +157,11 @@ class Warden {
         long now = System.currentTimeMillis();
         Reservation reservation = currentUserReservation(userName);
         if (reservation == null) {
+            checkArgument(minutes > 0, "Number of minutes must be positive");
             Set<String> cells = getAvailableCells();
             checkState(!cells.isEmpty(), "No cells are presently available");
             String cellName = ImmutableList.copyOf(cells).get(random.nextInt(cells.size()));
-            reservation = new Reservation(cellName, userName, now, minutes == 0 ? DEFAULT_MINUTES : minutes);
+            reservation = new Reservation(cellName, userName, now, minutes);
         } else if (minutes == 0) {
             // If minutes are 0, simply return the cell definition
             return getCellDefinition(reservation.cellName);