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2665f00102
We would like to rename the term `template` to `distribution`. To prepare for that, this is a precursor. cc @leseb
116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# All rights reserved.
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#
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# This source code is licensed under the terms described in the LICENSE file in
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# the root directory of this source tree.
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from abc import abstractmethod
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from enum import StrEnum
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from pathlib import Path
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from typing import Annotated, Literal
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from pydantic import BaseModel, Field
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from llama_stack.core.utils.config_dirs import RUNTIME_BASE_DIR
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from .api import SqlStore
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sql_store_pip_packages = ["sqlalchemy[asyncio]", "aiosqlite", "asyncpg"]
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class SqlStoreType(StrEnum):
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sqlite = "sqlite"
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postgres = "postgres"
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class SqlAlchemySqlStoreConfig(BaseModel):
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@property
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@abstractmethod
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def engine_str(self) -> str: ...
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# TODO: move this when we have a better way to specify dependencies with internal APIs
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@classmethod
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def pip_packages(cls) -> list[str]:
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return ["sqlalchemy[asyncio]"]
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class SqliteSqlStoreConfig(SqlAlchemySqlStoreConfig):
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type: Literal[SqlStoreType.sqlite] = SqlStoreType.sqlite
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db_path: str = Field(
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default=(RUNTIME_BASE_DIR / "sqlstore.db").as_posix(),
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description="Database path, e.g. ~/.llama/distributions/ollama/sqlstore.db",
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)
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@property
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def engine_str(self) -> str:
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return "sqlite+aiosqlite:///" + Path(self.db_path).expanduser().as_posix()
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@classmethod
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def sample_run_config(cls, __distro_dir__: str, db_name: str = "sqlstore.db"):
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return {
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"type": "sqlite",
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"db_path": "${env.SQLITE_STORE_DIR:=" + __distro_dir__ + "}/" + db_name,
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}
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@classmethod
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def pip_packages(cls) -> list[str]:
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return super().pip_packages() + ["aiosqlite"]
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class PostgresSqlStoreConfig(SqlAlchemySqlStoreConfig):
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type: Literal[SqlStoreType.postgres] = SqlStoreType.postgres
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host: str = "localhost"
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port: int = 5432
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db: str = "llamastack"
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user: str
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password: str | None = None
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@property
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def engine_str(self) -> str:
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return f"postgresql+asyncpg://{self.user}:{self.password}@{self.host}:{self.port}/{self.db}"
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@classmethod
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def pip_packages(cls) -> list[str]:
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return super().pip_packages() + ["asyncpg"]
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@classmethod
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def sample_run_config(cls, **kwargs):
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return {
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"type": "postgres",
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"host": "${env.POSTGRES_HOST:=localhost}",
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"port": "${env.POSTGRES_PORT:=5432}",
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"db": "${env.POSTGRES_DB:=llamastack}",
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"user": "${env.POSTGRES_USER:=llamastack}",
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"password": "${env.POSTGRES_PASSWORD:=llamastack}",
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}
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SqlStoreConfig = Annotated[
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SqliteSqlStoreConfig | PostgresSqlStoreConfig,
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Field(discriminator="type", default=SqlStoreType.sqlite.value),
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]
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def get_pip_packages(store_config: dict | SqlStoreConfig) -> list[str]:
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"""Get pip packages for SQL store config, handling both dict and object cases."""
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if isinstance(store_config, dict):
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store_type = store_config.get("type")
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if store_type == "sqlite":
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return SqliteSqlStoreConfig.pip_packages()
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elif store_type == "postgres":
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return PostgresSqlStoreConfig.pip_packages()
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else:
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raise ValueError(f"Unknown SQL store type: {store_type}")
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else:
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return store_config.pip_packages()
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def sqlstore_impl(config: SqlStoreConfig) -> SqlStore:
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if config.type in [SqlStoreType.sqlite, SqlStoreType.postgres]:
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from .sqlalchemy_sqlstore import SqlAlchemySqlStoreImpl
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impl = SqlAlchemySqlStoreImpl(config)
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else:
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raise ValueError(f"Unknown sqlstore type {config.type}")
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return impl
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