Merge pull request #159 from chmouel/swift-excercise-only-when-enabled

Only do swift excercise when enabled.

exercise.sh

@@ -192,6 +192,7 @@ nova secgroup-delete $SECGROUP
 # make sure that we can describe instances
 euca-describe-instances
 
+if [[ "$ENABLED_SERVICES" =~ "swift" ]]; then
     # Testing Swift
     # =============
 
@@ -210,3 +211,4 @@ swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWOR
     # And we may want to delete them now that we have tested that
     # everything works.
     swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWORD delete testcontainer
+fi