Add link to Jenkins job build for image metadata

Change-Id: I0447c7e6912d97d576fdcf9ede71a479057bd71b
Related-Prod: PROD-26605 (PROD:26605)
diff --git a/packer-image-buid.groovy b/packer-image-buid.groovy
index ebf0924..37d6185 100644
--- a/packer-image-buid.groovy
+++ b/packer-image-buid.groovy
@@ -291,7 +291,7 @@
                         for (String x : findFiles(glob: "*.*")) {
                             if (x.getName().endsWith('.qcow2')) {
                                 _md5sum = sh(script: "cat ${x}.md5", returnStdout: true).trim().split()[0]
-                                _property = "--property data=${dateTime} --property md5sum=${_md5sum}"
+                                _property = "--property data=${dateTime} --property md5sum=${_md5sum} --property build='${env.BUILD_URL}'"
                                 _cmdline = String.format("glance image-create --visibility " +
                                         "public %s --name '%s' --file %s", _property, imageName, x)
                                 openstack.runOpenstackCommand(_cmdline, rcFile, openstackEnv)