OCM-7144 | Add model for storage quota values resource

The CS backend supported /storage_quota_values endpoint but the OCM sdk did not.
Hence ocm-api-model needed to be updated.

Signed-off-by: Chetan Giradkar <[email protected]>

model/clusters_mgmt/v1/root_resource.model

@@ -121,4 +121,9 @@ resource Root {
 	locator LoadBalancerQuotaValues{
 		target LoadBalancerQuotaValues
 	}
+
+	// Reference to the resource that manages the storage quota values.
+	locator StorageQuotaValues{
+		target StorageQuotaValues
+	}
 }

model/clusters_mgmt/v1/storage_quota_type.model

@@ -0,0 +1,24 @@
+/*
+Copyright (c) 2024 Red Hat, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Representation of a storage quota 
+class StorageQuota {
+	// Numerical value
+	Value Float
+
+	// Unit of storage
+    Unit String
+}

model/clusters_mgmt/v1/storage_quota_values_resource.model

@@ -0,0 +1,33 @@
+/*
+Copyright (c) 2024 Red Hat, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Manages storage quota values.
+resource StorageQuotaValues {
+	// Retrieves the list of Storage Quota Values.
+	method List {
+            // Index of the requested page, where one corresponds to the first page.
+            in out Page Integer = 1
+
+            // Number of items contained in the returned page.
+            in out Size Integer = 100
+
+            // Total number of items of the collection.
+            out Total Integer
+
+            // Retrieved list of values.
+            out Items []StorageQuota
+	}
+}