feat: model registry create CLI (#787)

cli/determined_cli/model.py

@@ -11,6 +11,7 @@
 def render_model(model: Model) -> None:
     table = [
         ["Name", model.name],
+        ["Description", model.description],
         ["Creation Time", model.creation_time],
         ["Last Updated Time", model.last_updated_time],
         ["Metadata", json.dumps(model.metadata or {}, indent=4)],
@@ -38,6 +39,15 @@ def list_models(args: Namespace) -> None:
         render.tabulate_or_csv(headers, values, False)
 
 
+def create(args: Namespace) -> None:
+    model = Determined(args.master, None).create_model(args.name, args.description)
+
+    if args.json:
+        print(json.dumps(model.to_json(), indent=2))
+    else:
+        render_model(model)
+
+
 def describe(args: Namespace) -> None:
     model = Determined(args.master, None).get_model(args.name)
 
@@ -74,6 +84,7 @@ def describe(args: Namespace) -> None:
                     ),
                     Arg("--json", action="store_true", help="print as JSON"),
                 ],
+                is_default=True,
             ),
             Cmd(
                 "describe",
@@ -84,6 +95,16 @@ def describe(args: Namespace) -> None:
                     Arg("--json", action="store_true", help="print as JSON"),
                 ],
             ),
+            Cmd(
+                "create",
+                create,
+                "create model",
+                [
+                    Arg("name", type=str, help="unique name of the model"),
+                    Arg("--description", type=str, help="description of the model"),
+                    Arg("--json", action="store_true", help="print as JSON"),
+                ],
+            ),
         ],
     )
 ]  # type: List[Any]