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Use FIPs endpoints in Govcloud regions #575

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Merged
merged 11 commits into from
Mar 12, 2025
Merged

Use FIPs endpoints in Govcloud regions #575

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a41cbb3
use fips endpoints in govcloud regions
nhulston Mar 11, 2025
ca7e5c5
lint
nhulston Mar 11, 2025
bbf8042
log when using fips endpoints
nhulston Mar 11, 2025
0c4fdc4
lint
nhulston Mar 11, 2025
6d5ff78
lint
nhulston Mar 11, 2025
f054e22
lint again
nhulston Mar 11, 2025
af87910
change to debug
nhulston Mar 12, 2025
7fdd7e8
add unit test
nhulston Mar 12, 2025
6396cef
lint
nhulston Mar 12, 2025
7411cf2
fix `test_no_fips_for_standard_regions`
nhulston Mar 12, 2025
2b02f02
lint
nhulston Mar 12, 2025
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21 changes: 18 additions & 3 deletions datadog_lambda/api.py
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Original file line number Diff line number Diff line change
Expand Up @@ -64,16 +64,31 @@ def get_api_key() -> str:
DD_KMS_API_KEY = os.environ.get("DD_KMS_API_KEY", "")
DD_API_KEY = os.environ.get("DD_API_KEY", os.environ.get("DATADOG_API_KEY", ""))

REGION = os.environ.get("AWS_REGION", "")
is_gov_region = REGION.startswith("us-gov-")
if is_gov_region:
logger.info("Govcloud region detected. Using FIPs endpoints for secrets management.")
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Logging on info level here makes sense because this only runs once per Lambda execution context, and this only occurs in Govcloud regions where FIPs endpoints does matter to our users


if DD_API_KEY_SECRET_ARN:
api_key = boto3.client("secretsmanager").get_secret_value(
# Secrets manager endpoints: https://docs.aws.amazon.com/general/latest/gr/asm.html
fips_endpoint = f"https://secretsmanager-fips.{REGION}.amazonaws.com" if is_gov_region else None
secrets_manager_client = boto3.client(
"secretsmanager", endpoint_url=fips_endpoint
)
api_key = secrets_manager_client.get_secret_value(
SecretId=DD_API_KEY_SECRET_ARN
)["SecretString"]
elif DD_API_KEY_SSM_NAME:
api_key = boto3.client("ssm").get_parameter(
# SSM endpoints: https://docs.aws.amazon.com/general/latest/gr/ssm.html
fips_endpoint = f"https://ssm-fips.{REGION}.amazonaws.com" if is_gov_region else None
ssm_client = boto3.client("ssm", endpoint_url=fips_endpoint)
api_key = ssm_client.get_parameter(
Name=DD_API_KEY_SSM_NAME, WithDecryption=True
)["Parameter"]["Value"]
elif DD_KMS_API_KEY:
kms_client = boto3.client("kms")
# KMS endpoints: https://docs.aws.amazon.com/general/latest/gr/kms.html
fips_endpoint = f"https://kms-fips.{REGION}.amazonaws.com" if is_gov_region else None
kms_client = boto3.client("kms",endpoint_url=fips_endpoint)
api_key = decrypt_kms_api_key(kms_client, DD_KMS_API_KEY)
else:
api_key = DD_API_KEY
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