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[API Updates] Model / shield / memory-bank routing + agent persistence + support for private headers (#92)

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This is yet another of those large PRs (hopefully we will have less and less of them as things mature fast). This one introduces substantial improvements and some simplifications to the stack.

Most important bits:

* Agents reference implementation now has support for session / turn persistence. The default implementation uses sqlite but there's also support for using Redis.

* We have re-architected the structure of the Stack APIs to allow for more flexible routing. The motivating use cases are:
  - routing model A to ollama and model B to a remote provider like Together
  - routing shield A to local impl while shield B to a remote provider like Bedrock
  - routing a vector memory bank to Weaviate while routing a keyvalue memory bank to Redis

* Support for provider specific parameters to be passed from the clients. A client can pass data using `x_llamastack_provider_data` parameter which can be type-checked and provided to the Adapter implementations.
This commit is contained in:
Ashwin Bharambe 2024-09-23 14:22:22 -07:00 • committed by GitHub
parent 8bf8c07eb3
commit ec4fc800cc
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130 changed files with 9701 additions and 11227 deletions
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18
llama_stack/apis/memory/memory.py
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@ -96,7 +96,7 @@ class MemoryBank(BaseModel):
class Memory(Protocol):
@webmethod(route="/memory_banks/create")
@webmethod(route="/memory/create")
async def create_memory_bank(
self,
name: str,
@ -104,13 +104,13 @@ class Memory(Protocol):
url: Optional[URL] = None,
) -> MemoryBank: ...
@webmethod(route="/memory_banks/list", method="GET")
@webmethod(route="/memory/list", method="GET")
async def list_memory_banks(self) -> List[MemoryBank]: ...
@webmethod(route="/memory_banks/get", method="GET")
@webmethod(route="/memory/get", method="GET")
async def get_memory_bank(self, bank_id: str) -> Optional[MemoryBank]: ...
@webmethod(route="/memory_banks/drop", method="DELETE")
@webmethod(route="/memory/drop", method="DELETE")
async def drop_memory_bank(
self,
bank_id: str,
@ -118,7 +118,7 @@ class Memory(Protocol):
# this will just block now until documents are inserted, but it should
# probably return a Job instance which can be polled for completion
@webmethod(route="/memory_bank/insert")
@webmethod(route="/memory/insert")
async def insert_documents(
self,
bank_id: str,
@ -126,14 +126,14 @@ class Memory(Protocol):
ttl_seconds: Optional[int] = None,
) -> None: ...
@webmethod(route="/memory_bank/update")
@webmethod(route="/memory/update")
async def update_documents(
self,
bank_id: str,
documents: List[MemoryBankDocument],
) -> None: ...
@webmethod(route="/memory_bank/query")
@webmethod(route="/memory/query")
async def query_documents(
self,
bank_id: str,
@ -141,14 +141,14 @@ class Memory(Protocol):
params: Optional[Dict[str, Any]] = None,
) -> QueryDocumentsResponse: ...
@webmethod(route="/memory_bank/documents/get", method="GET")
@webmethod(route="/memory/documents/get", method="GET")
async def get_documents(
self,
bank_id: str,
document_ids: List[str],
) -> List[MemoryBankDocument]: ...
@webmethod(route="/memory_bank/documents/delete", method="DELETE")
@webmethod(route="/memory/documents/delete", method="DELETE")
async def delete_documents(
self,
bank_id: str,