aantal-MGMT-19423: replacing HighAvailabilityMode with ControlPlaneCount. Some places like updating cluster params HighAvailabilityMode is still needed for backward compatibility. (#7373)

Author: andrej1991

api/vendor/github.com/openshift/assisted-service/models/cluster.go

@@ -42,7 +42,7 @@ For that, please read the [REST-API V1 to V2 transition guide](rest-api-v1-v2-tr
 
 ```bash
 curl -X POST -H "Content-Type: application/json" \
-    -d '{"name":"testcluster","high_availability_mode":"Full","openshift_version":"4.8","pull_secret":<pull_secret_here>,"base_dns_domain":"redhat.com"}' \
+    -d '{"name":"testcluster","control_plane_count":3,"openshift_version":"4.8","pull_secret":<pull_secret_here>,"base_dns_domain":"redhat.com"}' \
     <HOST>:<PORT>/api/assisted-install/v2/clusters
 ```
 

api/vendor/github.com/openshift/assisted-service/models/install_cmd_request.go

@@ -21,7 +21,7 @@
   },
   "email_domain": "Unknown",
   "feature_usage": "{\"VIP auto alloc.\":{\"id\":\"VIP_AUTO_ALLOC\",\"name\":\"VIP auto alloc.\"}}",
-  "high_availability_mode": "Full",
+  "control_plane_count": 3,
   "host_networks": [],
   "hosts": [],
   "href": "/api/assisted-install/v2/clusters/948b8ba9-798f-4310-bb08-67a6b56ebdcc",