Kuttl test to cover an edge deployment scenario

This patch introduces a kuttl test that is supposed to cover an Edge use
case deployment. It asserts that the required resources exist and the
Pods are available. This change also updates the Edge sample to make
sure it reflects the right type.

Signed-off-by: Francesco Pantano <[email protected]>

Author: fmount

config/samples/layout/edge/glance_v1beta1_glance.yaml

@@ -9,20 +9,20 @@ spec:
     debug = true
   databaseInstance: openstack
   databaseAccount: glance
-  keystoneEndpoint: central
+  keystoneEndpoint: default
   glanceAPIs:
-    edge1:
+    default:
       preserveJobs: false
       replicas: 1
-      type: edge
-    edge2:
+      type: split
+    az1:
       preserveJobs: false
       replicas: 1
       type: edge
-    central:
+    az2:
       preserveJobs: false
       replicas: 1
-      type: single
+      type: edge
   secret: osp-secret
   storageClass: local-storage
   storageRequest: 10G