Vpc: Error when running with FIPS endpoint enabled

[omriman12]

Describe the bug

Deploying a stack with a Vpc construct while AWS_USE_FIPS_ENDPOINT=true fails with an error:

"Inaccessible host: ec2-fips.us-gov-west-1.amazonaws.com' at port undefined'. This service may not be available in the `us-gov-west-1' region.: getaddrinfo ENOTFOUND ec2-fips.us-gov-west-1.amazonaws.com"

Running with AWS_ENDPOINT_URL_EC2=https://ec2.{region_name}.amazonaws.com doesn't help!

Expected Behavior

Stack should be deployed using FIPS endpoints

Current Behavior

Error in synth process

Reproduction Steps

AWS_USE_FIPS_ENDPOINT=true cdk deploy

Stack code in python:

import aws_cdk as cdk
import boto3
from boto3 import session
from constructs import Construct
from aws_cdk.aws_ec2 import Vpc


class TestStack(cdk.Stack):

    def __init__(self, scope: Construct, _id: str, **kwargs) -> None:
        region = session.Session().region_name
        account_id = boto3.client('sts').get_caller_identity().get('Account')
        super().__init__(scope=scope, id=_id, env=cdk.Environment(account=account_id, region=region))

        Vpc(
            self,
            'Vpc',
        )


app = cdk.App()
stack = TestStack(app, "TestStack")
app.synth()

Possible Solution

No response

Additional Information/Context

No response

CDK CLI Version

2.113.0 (build ccd534a)

Framework Version

No response

Node.js Version

v18.1.0

OS

MacOS

Language

Python

Language Version

Python 3.8.15

Other information

No response

[khushail]

Hi @omriman12 , thanks for reporting this. This issue has been reported earlier and we have internal investigation going on through internal ticket -P106273204. Will keep posting updates here.

[khushail]

@omriman12 , the issue lies with EC2 team and a request has been submitted with the team for resolving this issue. Thanks for keeping patience.

[khushail]

@omriman12 , the endpoint is updated. you should be unblocked now.

[github-actions]

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