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dcd8cfe0f3
* add postgres kvstoreimpl * make table name configurable * add validator for table name * linter fix --------- Co-authored-by: Dinesh Yeduguru <dineshyv@fb.com>
76 lines
2.3 KiB
Python
76 lines
2.3 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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import re
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from enum import Enum
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from typing import Literal, Optional, Union
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from pydantic import BaseModel, Field, field_validator
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from typing_extensions import Annotated
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from llama_stack.distribution.utils.config_dirs import RUNTIME_BASE_DIR
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class KVStoreType(Enum):
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redis = "redis"
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sqlite = "sqlite"
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postgres = "postgres"
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class CommonConfig(BaseModel):
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namespace: Optional[str] = Field(
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default=None,
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description="All keys will be prefixed with this namespace",
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)
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class RedisKVStoreConfig(CommonConfig):
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type: Literal[KVStoreType.redis.value] = KVStoreType.redis.value
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host: str = "localhost"
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port: int = 6379
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@property
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def url(self) -> str:
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return f"redis://{self.host}:{self.port}"
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class SqliteKVStoreConfig(CommonConfig):
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type: Literal[KVStoreType.sqlite.value] = KVStoreType.sqlite.value
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db_path: str = Field(
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default=(RUNTIME_BASE_DIR / "kvstore.db").as_posix(),
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description="File path for the sqlite database",
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)
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class PostgresKVStoreConfig(CommonConfig):
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type: Literal[KVStoreType.postgres.value] = KVStoreType.postgres.value
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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: Optional[str] = None
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table_name: str = "llamastack_kvstore"
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@field_validator("table_name")
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def validate_table_name(self, v: str) -> str:
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# PostgreSQL identifiers rules:
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# - Must start with a letter or underscore
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# - Can contain letters, numbers, and underscores
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# - Maximum length is 63 bytes
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pattern = r"^[a-zA-Z_][a-zA-Z0-9_]*$"
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if not re.match(pattern, v):
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raise ValueError(
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"Invalid table name. Must start with letter or underscore and contain only letters, numbers, and underscores"
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)
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if len(v) > 63:
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raise ValueError("Table name must be less than 63 characters")
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return v
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KVStoreConfig = Annotated[
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Union[RedisKVStoreConfig, SqliteKVStoreConfig, PostgresKVStoreConfig],
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Field(discriminator="type", default=KVStoreType.sqlite.value),
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]
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