Add ubuntu1804 build minions

Change-Id: I1e189c9cf4b3d1d9d6e39e8b899550d404cd4287
Signed-off-by: Zhe Huang <zhehuang@research.att.com>
diff --git a/jenkins-config/clouds/openstack/cattle/ubuntu1804-docker-4c-4g.cfg b/jenkins-config/clouds/openstack/cattle/ubuntu1804-docker-4c-4g.cfg
new file mode 100644
index 0000000..9eec453
--- /dev/null
+++ b/jenkins-config/clouds/openstack/cattle/ubuntu1804-docker-4c-4g.cfg
@@ -0,0 +1,4 @@
+IMAGE_NAME=ZZCI - Ubuntu 18.04 - docker - x86_64 - 20190419-225102.176
+LABELS=ubuntu1804-docker-4c-4g
+HARDWARE_ID=v2-highcpu-4
+VOLUME_SIZE=10
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