Unhardcode jenkins master protocol

Related-bug: PROD-26834
             PROD-30275

Change-Id: I345352b484d40249f2688066c5136813e12ff0af
diff --git a/src/com/mirantis/mk/Orchestrate.groovy b/src/com/mirantis/mk/Orchestrate.groovy
index 2f89ded..02af05d 100644
--- a/src/com/mirantis/mk/Orchestrate.groovy
+++ b/src/com/mirantis/mk/Orchestrate.groovy
@@ -791,11 +791,11 @@
     }
 
     // Jenkins
-    def jenkins_master_host_pillar = salt.getPillar(master, jenkins_compound, '_param:jenkins_master_host')
-    def jenkins_master_port_pillar = salt.getPillar(master, jenkins_compound, '_param:jenkins_master_port')
-    def jenkins_master_url_prefix_pillar = salt.getPillar(master, jenkins_compound, '_param:jenkins_master_url_prefix')
-
-    jenkins_master_url = "http://${salt.getReturnValues(jenkins_master_host_pillar)}:${salt.getReturnValues(jenkins_master_port_pillar)}${salt.getReturnValues(jenkins_master_url_prefix_pillar)}"
+    def jenkins_master_host = salt.getReturnValues(salt.getPillar(master, jenkins_compound, '_param:jenkins_master_host'))
+    def jenkins_master_port = salt.getReturnValues(salt.getPillar(master, jenkins_compound, '_param:jenkins_master_port'))
+    def jenkins_master_protocol = salt.getReturnValues(salt.getPillar(master, jenkins_compound, '_param:jenkins_master_protocol'))
+    def jenkins_master_url_prefix = salt.getReturnValues(salt.getPillar(master, jenkins_compound, '_param:jenkins_master_url_prefix'))
+    jenkins_master_url = "${jenkins_master_protocol}://${jenkins_master_host}:${jenkins_master_port}${jenkins_master_url_prefix}"
 
     timeout(wait_timeout) {
       common.infoMsg('Waiting for Jenkins to come up..')