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feat: Allow feast snowflake to read in byte string for private-key authentication by arturkolakowski · Pull Request #4384 · feast-dev/feast · GitHub
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feat: Allow feast snowflake to read in byte string for private-key authentication #4384

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Merged
tokoko merged 8 commits into from
Aug 13, 2024
Merged

feat: Allow feast snowflake to read in byte string for private-key authentication #4384

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be3ecb2
allow feast snowflake to read in byte string for private-key authenti…
arturkolakowski Aug 5, 2024
a9eac3e
Update type hint for to use Union instead of | syntax
arturkolakowski Aug 8, 2024
625d2a6
Update type hint for private_key to use Union instead of | syntax
arturkolakowski Aug 8, 2024
f486384
Update type hint in parse_private_key_path
arturkolakowski Aug 8, 2024
636089f
added private_key_content in Snowflake configs to support key-pair au…
arturkolakowski Aug 12, 2024
fb175df
fix incompatible linting types
arturkolakowski Aug 12, 2024
8553472
remove unused Union import
arturkolakowski Aug 12, 2024
af277a4
fix formating
arturkolakowski Aug 13, 2024
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3 changes: 3 additions & 0 deletions sdk/python/feast/infra/materialization/snowflake_engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,9 @@ class SnowflakeMaterializationEngineConfig(FeastConfigBaseModel):
private_key: Optional[str] = None
""" Snowflake private key file path"""

private_key_content: Optional[bytes] = None
""" Snowflake private key stored as bytes"""

private_key_passphrase: Optional[str] = None
""" Snowflake private key file passphrase"""

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3 changes: 3 additions & 0 deletions sdk/python/feast/infra/offline_stores/snowflake.py
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Expand Up @@ -107,6 +107,9 @@ class SnowflakeOfflineStoreConfig(FeastConfigBaseModel):
private_key: Optional[str] = None
""" Snowflake private key file path"""

private_key_content: Optional[bytes] = None
""" Snowflake private key stored as bytes"""

private_key_passphrase: Optional[str] = None
""" Snowflake private key file passphrase"""

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3 changes: 3 additions & 0 deletions sdk/python/feast/infra/online_stores/snowflake.py
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Expand Up @@ -53,6 +53,9 @@ class SnowflakeOnlineStoreConfig(FeastConfigBaseModel):
private_key: Optional[str] = None
""" Snowflake private key file path"""

private_key_content: Optional[bytes] = None
""" Snowflake private key stored as bytes"""

private_key_passphrase: Optional[str] = None
""" Snowflake private key file passphrase"""

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3 changes: 3 additions & 0 deletions sdk/python/feast/infra/registry/snowflake.py
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Expand Up @@ -96,6 +96,9 @@ class SnowflakeRegistryConfig(RegistryConfig):
private_key: Optional[str] = None
""" Snowflake private key file path"""

private_key_content: Optional[bytes] = None
""" Snowflake private key stored as bytes"""

private_key_passphrase: Optional[str] = None
""" Snowflake private key file passphrase"""

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26 changes: 21 additions & 5 deletions sdk/python/feast/infra/utils/snowflake/snowflake_utils.py
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Expand Up @@ -84,9 +84,11 @@ def __enter__(self):

# https://docs.snowflake.com/en/user-guide/python-connector-example.html#using-key-pair-authentication-key-pair-rotation
# https://docs.snowflake.com/en/user-guide/key-pair-auth.html#configuring-key-pair-authentication
if "private_key" in kwargs:
if "private_key" in kwargs or "private_key_content" in kwargs:
kwargs["private_key"] = parse_private_key_path(
kwargs["private_key"], kwargs["private_key_passphrase"]
kwargs.get("private_key_passphrase"),
kwargs.get("private_key"),
kwargs.get("private_key_content"),
)

try:
Expand Down Expand Up @@ -510,13 +512,27 @@ def chunk_helper(lst: pd.DataFrame, n: int) -> Iterator[Tuple[int, pd.DataFrame]
yield int(i / n), lst[i : i + n]


def parse_private_key_path(key_path: str, private_key_passphrase: str) -> bytes:
with open(key_path, "rb") as key:
def parse_private_key_path(
private_key_passphrase: str,
key_path: Optional[str] = None,
private_key_content: Optional[bytes] = None,
) -> bytes:
"""Returns snowflake pkb by parsing and reading either from key path or private_key_content as byte string."""
if private_key_content:
p_key = serialization.load_pem_private_key(
key.read(),
private_key_content,
password=private_key_passphrase.encode(),
backend=default_backend(),
)
elif key_path:
with open(key_path, "rb") as key:
p_key = serialization.load_pem_private_key(
key.read(),
password=private_key_passphrase.encode(),
backend=default_backend(),
)
else:
raise ValueError("Please provide key_path or private_key_content.")

pkb = p_key.private_bytes(
encoding=serialization.Encoding.DER,
Expand Down