Add Support for API Key Authentication (#230)

python/sglang/srt/server_args.py

@@ -32,6 +32,7 @@ class ServerArgs:
     enable_flashinfer: bool = False
     disable_regex_jump_forward: bool = False
     disable_disk_cache: bool = False
+    api_key: str = ""
 
     def __post_init__(self):
         if self.tokenizer_path is None:
@@ -201,6 +202,12 @@ class ServerArgs:
             action="store_true",
             help="Disable disk cache to avoid possible crashes related to file system or high concurrency.",
         )
+        parser.add_argument(
+            "--api-key",
+            type=str,
+            default=ServerArgs.api_key,
+            help="Set API Key",
+        )
 
     @classmethod
     def from_cli_args(cls, args: argparse.Namespace):