Update nodes to a latest version

This is to make sure all nodes are running on
the latest versions of the packer installed tools.

Change-Id: Ic0048eede5761334a4d920a23ea63ba7bf2e9577
Issue-ID: CIMAN-34
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jenkins-config/clouds/openstack/cattle/centos7-builder-4c-4g.cfg b/jenkins-config/clouds/openstack/cattle/centos7-builder-4c-4g.cfg
index dbabd5f..fa8c182 100644
--- a/jenkins-config/clouds/openstack/cattle/centos7-builder-4c-4g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/centos7-builder-4c-4g.cfg
@@ -1,3 +1,3 @@
-IMAGE_NAME=ZZCI - CentOS 7 - builder - 20180328-1726
+IMAGE_NAME=ZZCI - CentOS 7 - builder - x86_64 - 20190415-024631.734
 LABELS=centos7-builder-4c-4g
 HARDWARE_ID=v2-highcpu-4