[S4734612] :- Custom IAM Auth Lib Implementation to support STS Regio… #197
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…nal based endpoints and credentials refresh
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Issue #, if available:
Description of changes:
Currently AWS IAM Auth library doesn't support STS Regional based custom endpoints and it is taking always public endpoints. So this is difficulty to connect from External Non EC2 instance where it is using assume role credentials to communicate to public endpoints due to firewall / company internal policies. So this custom IAM Auth Lib Implementation help to support STS Regional based endpoints and credentials refresh by addition of below config in the sasl.jaas.config with custom STSAssumeRoleIAMClientCallbackHandler class in the callback handler
sasl.jaas.config = software.amazon.msk.auth.iam.IAMLoginModule required awsRoleArn='awsRoleArn' awsRoleSessionName='awsRoleSessionName' awsStsRegion='awsStsRegion' awsStsRegionalEndpoint='awsStsRegionalEndpoint';
sasl.login.callback.handler.class=software.amazon.msk.auth.iam.STSAssumeRoleIAMClientCallbackHandler
This is used during client authentication and reauthentication
sasl.client.callback.handler.class=software.amazon.msk.auth.iam.STSAssumeRoleIAMClientCallbackHandler
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