[jira] [Created] (FLINK-4611) Make "AUTO" credential provider as default for Kinesis Connector

[Shang Yuanchun (Jira)]

Tzu-Li (Gordon) Tai created FLINK-4611:
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             Summary: Make "AUTO" credential provider as default for Kinesis Connector
                 Key: FLINK-4611
                 URL: https://issues.apache.org/jira/browse/FLINK-4611
             Project: Flink
          Issue Type: Improvement
          Components: Kinesis Connector
            Reporter: Tzu-Li (Gordon) Tai
            Priority: Minor
             Fix For: 1.2.0


Right now, the Kinesis Consumer / Producer by default directly expects the access key id and secret access key to be given in the config properties.

This isn't a good practice for accessing AWS services, and usually Kinesis users would most likely be running their Flink application in AWS instances that have embedded credentials that can be access via the default credential provider chain. Therefore, it makes sense to change the default {{AWS_CREDENTIALS_PROVIDER}} to {{AUTO}} instead of {{BASIC}}.

To avoid breaking user code, we only use directly supplied AWS credentials if both access key and secret key is given through {{AWS_ACCESS_KEY}} and {{AWS_SECRET_KEY}}. Otherwise, the default credential provider chain is used.



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