mirror of
https://github.com/meta-llama/llama-stack.git
synced 2025-10-15 06:37:58 +00:00
65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
# 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 json
|
|
|
|
from typing import Protocol
|
|
|
|
import pydantic
|
|
|
|
from llama_stack.distribution.datatypes import RoutableObjectWithProvider
|
|
|
|
from llama_stack.providers.utils.kvstore import KVStore
|
|
|
|
|
|
class DistributionRegistry(Protocol):
|
|
|
|
async def get(self, identifier: str) -> [RoutableObjectWithProvider]: ...
|
|
|
|
# The current data structure allows multiple objects with the same identifier but different providers.
|
|
# This is not ideal - we should have a single object that can be served by multiple providers,
|
|
# suggesting a data structure like (obj: Obj, providers: List[str]) rather than List[RoutableObjectWithProvider].
|
|
# The current approach could lead to inconsistencies if the same logical object has different data across providers.
|
|
async def register(self, obj: RoutableObjectWithProvider) -> None: ...
|
|
|
|
|
|
KEY_FORMAT = "distributions:registry:{}"
|
|
|
|
|
|
class DiskDistributionRegistry(DistributionRegistry):
|
|
def __init__(self, kvstore: KVStore):
|
|
self.kvstore = kvstore
|
|
|
|
async def get(self, identifier: str) -> [RoutableObjectWithProvider]:
|
|
# Get JSON string from kvstore
|
|
json_str = await self.kvstore.get(KEY_FORMAT.format(identifier))
|
|
if not json_str:
|
|
return []
|
|
|
|
objects_data = json.loads(json_str)
|
|
|
|
return [
|
|
pydantic.parse_obj_as(
|
|
RoutableObjectWithProvider,
|
|
json.loads(obj_str),
|
|
)
|
|
for obj_str in objects_data
|
|
]
|
|
|
|
# TODO: make it thread safe using CAS
|
|
async def register(self, obj: RoutableObjectWithProvider) -> None:
|
|
existing_objects = await self.get(obj.identifier)
|
|
# dont register if the object's providerid already exists
|
|
for eobj in existing_objects:
|
|
if eobj.provider_id == obj.provider_id:
|
|
return
|
|
|
|
existing_objects.append(obj)
|
|
|
|
objects_json = [obj.model_dump_json() for existing_object in existing_objects]
|
|
await self.kvstore.set(
|
|
KEY_FORMAT.format(obj.identifier), json.dumps(objects_json)
|
|
)
|