Source code for airflow.providers.amazon.aws.utils.redshift

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from __future__ import annotations

import logging
from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from botocore.credentials import ReadOnlyCredentials

[docs]log = logging.getLogger(__name__)
[docs]def build_credentials_block(credentials: ReadOnlyCredentials) -> str: """ Generate AWS credentials block for Redshift COPY and UNLOAD commands. See AWS docs for details: https://docs.aws.amazon.com/redshift/latest/dg/copy-parameters-authorization.html#copy-credentials :param credentials: ReadOnlyCredentials object from `botocore` """ if credentials.token: log.debug("STS token found in credentials, including it in the command") # these credentials are obtained from AWS STS # so the token must be included in the CREDENTIALS clause credentials_line = ( f"aws_access_key_id={credentials.access_key};" f"aws_secret_access_key={credentials.secret_key};" f"token={credentials.token}" ) else: credentials_line = ( f"aws_access_key_id={credentials.access_key};aws_secret_access_key={credentials.secret_key}" ) return credentials_line

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