API: Update inline load

- Add a config flag
- Migrate support to /v1/completions
- Unify the load function

Signed-off-by: kingbri <bdashore3@proton.me>

endpoints/OAI/utils/completion.py

@@ -1,4 +1,8 @@
-"""Completion utilities for OAI server."""
+"""
+Completion utilities for OAI server.
+
+Also serves as a common module for completions and chat completions.
+"""
 
 import asyncio
 import pathlib
@@ -9,7 +13,8 @@ from typing import List, Union
 
 from loguru import logger
 
-from common import model
+from common import config, model
+from common.auth import get_key_permission
 from common.networking import (
     get_generator_error,
     handle_request_disconnect,
@@ -173,6 +178,47 @@ async def stream_generate_completion(
         )
 
 
+async def load_inline_model(model_name: str, request: Request):
+    """Load a model from the data.model parameter"""
+
+    # Return if the model container already exists
+    if model.container and model.container.model_dir.name == model_name:
+        return
+
+    model_config = config.model_config()
+
+    # Inline model loading isn't enabled or the user isn't an admin
+    if not get_key_permission(request) == "admin":
+        logger.warning(
+            f"Unable to switch model to {model_name} "
+            "because an admin key isn't provided."
+        )
+
+        return
+
+    if not unwrap(model_config.get("inline_model_loading"), False):
+        logger.warning(
+            f"Unable to switch model to {model_name} because "
+            '"inline_model_load" is not True in config.yml.'
+        )
+
+        return
+
+    model_path = pathlib.Path(unwrap(model_config.get("model_dir"), "models"))
+    model_path = model_path / model_name
+
+    # Model path doesn't exist
+    if not model_path.exists():
+        logger.warning(
+            f"Could not find model path {str(model_path)}. Skipping inline model load."
+        )
+
+        return
+
+    # Load the model
+    await model.load_model(model_path)
+
+
 async def generate_completion(
     data: CompletionRequest, request: Request, model_path: pathlib.Path
 ):