Make it possible to run ray examples as projects (#5816)

python/ray/projects/projects.py

@@ -96,6 +96,15 @@ class ProjectDefinition:
             if wildcards and "choices" in param:
                 choices[name] = copy.deepcopy(param["choices"])
                 param["choices"] = param["choices"] + ["*"]
+            if "type" in param:
+                types = {"int": int, "str": str, "float": float}
+                if param["type"] in types:
+                    param["type"] = types[param["type"]]
+                else:
+                    raise ValueError(
+                        "Parameter {} has type {} which is not supported. "
+                        "Type must be one of {}".format(
+                            name, param["type"], list(types.keys())))
             parser.add_argument("--" + name, **param)
 
         parsed_args = parser.parse_args(list(args)).__dict__

python/ray/projects/schema.json

@@ -13,6 +13,17 @@
       "description": "The URL of the repo this project is part of",
       "type": "string"
     },
+    "tags": {
+      "description": "Relevant tags for this project",
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "documentation": {
+      "description": "Link to the documentation of this project",
+      "type": "string"
+    },
     "cluster": {
       "description": "Path to a .yaml cluster configuration file (relative to the project root)",
       "type": "string"

python/ray/projects/scripts.py

@@ -238,7 +238,7 @@ class SessionRunner(object):
             stop=False,
             start=False,
             override_cluster_name=self.session_name,
-            port_forward=None,
+            port_forward=config.get("port_forward", None),
         )