diff --git a/Jenkinsfile b/Jenkinsfile
index 94afbd0..a497a63 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -63,6 +63,16 @@ node {
     }
 }
 
+def maintainer() {
+  def matcher = readFile('common.bash') =~ 'maintainer="(.+)"'
+  matcher ? matcher[0][1] : 'tier'
+}
+
+def imagename() {
+  def matcher = readFile('common.bash') =~ 'imagename="(.+)"'
+  matcher ? matcher[0][1] : null
+}
+
 def handleError(String message){
   echo "${message}"
   currentBuild.setResult("FAILED")