make sure to stick with RHEL 7.4

grafana/README.md

@@ -14,7 +14,7 @@ on OpenShift.
 
 First, make sure the is a `rhel7` imagestream in the `openshift` namespace.
 ```
-oc import-image -n openshift rhel7 --from registry.access.redhat.com/rhel7:latest --confirm
+oc import-image -n openshift rhel7 --from registry.access.redhat.com/rhel7:7.4 --confirm
 ```
 
 Then, make sure you are cluster-admin on your OpenShift cluster.

grafana/grafana-base.yaml

@@ -288,7 +288,7 @@ parameters:
 - description: Name of the ImageStreamTag to be used for the RHEL image.
   displayName: RHEL ImageStreamTag
   name: RHEL_IMAGE_STREAM_TAG
-  value: rhel7:latest
+  value: rhel7:7.4
 
 - description: The Docker image to use for the OAuth Proxy.
   displayName: OAuth Proxy image