[serve] Add validation for 'proxy_location' and 'http_options' config parameters for the 'serve deploy' command

Signed-off-by: axreldable <aleksei.starikov.ax@gmail.com>

Author: axreldable

python/ray/serve/tests/unit/test_cli.py

@@ -54,10 +54,11 @@ def deploy_applications(self, config: Dict):
 
     def get_serve_details(self) -> Dict:
         return {
-            "controller_info": ServeActorDetails(),
+            "controller_info": ServeActorDetails().dict(),
             "proxies": {},
             "applications": {},
-            "proxy_location": "EveryNode",  # current default
+            "proxy_location": ProxyLocation.EveryNode,  # current default
+            "http_options": HTTPOptionsSchema().dict(),
         }
 
 
@@ -164,7 +165,25 @@ def test_deploy_fails_on_proxy_location_changed(self, fake_serve_client, tmp_pat
             in str(result.exception)
         )
 
-    def test_deploy_success_if_proxy_location_empty_in_config(
+    def test_deploy_fails_on_http_options_changed(self, fake_serve_client, tmp_path):
+        runner = CliRunner()
+        config_path = tmp_path / "config.yaml"
+        config = {
+            "http_options": {"host": "1.2.3.4"},
+            "applications": [{"import_path": "my_module:my_app"}],
+        }
+        with open(config_path, "w") as f:
+            yaml.dump(config, f)
+        result = runner.invoke(deploy, [str(config_path)])
+        assert result.exit_code != 0, result.output
+        assert "Attempt to update `http_options` has been detected!" in str(
+            result.exception
+        )
+        assert "'host': {'previous': '0.0.0.0', 'new': '1.2.3.4'}" in str(
+            result.exception
+        )
+
+    def test_deploy_success_if_proxy_location_and_http_options_empty_in_config(
         self, fake_serve_client, tmp_path
     ):
         runner = CliRunner()