fix(server): include system headers (#4418)

* fix(server): include system headers

* fix

* fix

* opt

src/_bentoml_impl/client/http.py

@@ -19,7 +19,6 @@
 from pydantic import RootModel
 
 from _bentoml_sdk import IODescriptor
-from _bentoml_sdk.typing_utils import is_file_like
 from _bentoml_sdk.typing_utils import is_image_type
 from bentoml import __version__
 from bentoml._internal.utils.uri import uri_to_path
@@ -43,10 +42,6 @@
 MAX_RETRIES = 3
 
 
-def _is_file(obj: t.Any) -> bool:
-    return isinstance(obj, pathlib.PurePath) or is_file_like(obj)
-
-
 @attr.define
 class HTTPClient(AbstractClient, t.Generic[C]):
     client_cls: t.ClassVar[type[BaseClient]]
@@ -56,6 +51,8 @@ class HTTPClient(AbstractClient, t.Generic[C]):
     media_type: str = "application/json"
     timeout: int = 30
     token: str | None = None
+    const_headers: dict[str, str] = attr.field(factory=dict)
+
     _opened_files: list[io.BufferedReader] = attr.field(init=False, factory=list)
     _temp_dir: tempfile.TemporaryDirectory[str] = attr.field(init=False)
 
@@ -84,7 +81,7 @@ def client(self) -> C:
             ),
         )
 
-    @_temp_dir.default
+    @_temp_dir.default  # type: ignore
     def default_temp_dir(self) -> tempfile.TemporaryDirectory[str]:
         return tempfile.TemporaryDirectory(prefix="bentoml-client-")
 
@@ -129,6 +126,7 @@ def __init__(
                         doc=route.get("doc"),
                         stream_output=route["output"].get("is_stream", False),
                     )
+            const_headers = {}
         else:
             for name, method in service.apis.items():
                 routes[name] = ClientEndpoint(
@@ -142,8 +140,22 @@ def __init__(
                     stream_output=method.is_stream,
                 )
 
-        self.__attrs_init__(
-            url=url, endpoints=routes, media_type=media_type, token=token
+            from bentoml._internal.context import component_context
+
+            const_headers = {
+                "Bento-Name": component_context.bento_name,
+                "Bento-Version": component_context.bento_version,
+                "Runner-Name": service.name,
+                "Yatai-Bento-Deployment-Name": component_context.yatai_bento_deployment_name,
+                "Yatai-Bento-Deployment-Namespace": component_context.yatai_bento_deployment_namespace,
+            }
+
+        self.__attrs_init__(  # type: ignore
+            url=url,
+            endpoints=routes,
+            media_type=media_type,
+            token=token,
+            const_headers=const_headers,
         )
         super().__init__()
 
@@ -153,11 +165,13 @@ def serde(self) -> Serde:
 
         return ALL_SERDE[self.media_type]()
 
-    @property
+    @cached_property
     def default_headers(self) -> dict[str, str]:
-        headers = {"User-Agent": f"BentoML HTTP Client/{__version__}"}
+        headers = self.const_headers.copy()
+        headers["User-Agent"] = f"BentoML HTTP Client/{__version__}"
         if self.token:
             headers["Authorization"] = f"Bearer {self.token}"
+
         return headers
 
     def _build_request(