set build description

Change-Id: I51dc0284c55e47c53e44d67afd01344a3420cf59
diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index 0422713..8d40265 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -57,6 +57,9 @@
                         HEAT_STACK_NAME = BUILD_TAG
                     }
 
+                    // set description
+                    currentBuild.description = "stack: ${HEAT_STACK_NAME}"
+
                     // get templates
                     git.checkoutGitRepository('template', HEAT_TEMPLATE_URL, HEAT_TEMPLATE_BRANCH, HEAT_TEMPLATE_CREDENTIALS)