Add an introspection "Api.inspect" API

llama_stack/apis/inspect/client.py

@@ -0,0 +1,82 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+import asyncio
+
+from typing import List
+
+import fire
+import httpx
+from termcolor import cprint
+
+from .inspect import *  # noqa: F403
+
+
+class InspectClient(Inspect):
+    def __init__(self, base_url: str):
+        self.base_url = base_url
+
+    async def initialize(self) -> None:
+        pass
+
+    async def shutdown(self) -> None:
+        pass
+
+    async def list_providers(self) -> Dict[str, ProviderInfo]:
+        async with httpx.AsyncClient() as client:
+            response = await client.get(
+                f"{self.base_url}/providers/list",
+                headers={"Content-Type": "application/json"},
+            )
+            response.raise_for_status()
+            print(response.json())
+            return {
+                k: [ProviderInfo(**vi) for vi in v] for k, v in response.json().items()
+            }
+
+    async def list_routes(self) -> Dict[str, List[RouteInfo]]:
+        async with httpx.AsyncClient() as client:
+            response = await client.get(
+                f"{self.base_url}/routes/list",
+                headers={"Content-Type": "application/json"},
+            )
+            response.raise_for_status()
+            return {
+                k: [RouteInfo(**vi) for vi in v] for k, v in response.json().items()
+            }
+
+    async def health(self) -> HealthInfo:
+        async with httpx.AsyncClient() as client:
+            response = await client.get(
+                f"{self.base_url}/health",
+                headers={"Content-Type": "application/json"},
+            )
+            response.raise_for_status()
+            j = response.json()
+            if j is None:
+                return None
+            return HealthInfo(**j)
+
+
+async def run_main(host: str, port: int):
+    client = InspectClient(f"http://{host}:{port}")
+
+    response = await client.list_providers()
+    cprint(f"list_providers response={response}", "green")
+
+    response = await client.list_routes()
+    cprint(f"list_routes response={response}", "blue")
+
+    response = await client.health()
+    cprint(f"health response={response}", "yellow")
+
+
+def main(host: str, port: int):
+    asyncio.run(run_main(host, port))
+
+
+if __name__ == "__main__":
+    fire.Fire(main)