Make exercise.sh with quantum work

- added support for quantum-debug command
- added ping and ssh method for quantum

Change-Id: Iebf8a0e9e2ed2bb56bee6533e69827e6caa2bc82
diff --git a/exercises/volumes.sh b/exercises/volumes.sh
index 1c73786..8533993 100755
--- a/exercises/volumes.sh
+++ b/exercises/volumes.sh
@@ -30,6 +30,12 @@
 # Import configuration
 source $TOP_DIR/openrc
 
+# Import quantum functions if needed
+if is_service_enabled quantum; then
+    source $TOP_DIR/lib/quantum
+    setup_quantum
+fi
+
 # Import exercise configuration
 source $TOP_DIR/exerciserc
 
@@ -206,6 +212,10 @@
 # Delete a secgroup
 nova secgroup-delete $SECGROUP || die "Failure deleting security group $SECGROUP"
 
+if is_service_enabled quantum; then
+    teardown_quantum
+fi
+
 set +o xtrace
 echo "*********************************************************************"
 echo "SUCCESS: End DevStack Exercise: $0"