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https://issues.apache.org/jira/browse/FLINK-4222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15380582#comment-15380582
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ASF GitHub Bot commented on FLINK-4222:
---------------------------------------
Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/2260#discussion_r71062382
--- Diff:
flink-streaming-connectors/flink-connector-kinesis/src/main/java/org/apache/flink/streaming/connectors/kinesis/config/AWSConfigConstants.java
---
@@ -40,7 +40,10 @@
PROFILE,
/** Simply create AWS credentials by supplying the AWS access
key ID and AWS secret key in the configuration properties */
- BASIC
+ BASIC,
+
+ /** Don't supply AWS credentials and rely on the AWS library
auto-detecting, which supports ENV vars and AWS MetaData **/
--- End diff --
"which supports ENV vars and AWS MetaData" -> I think the auto-detecting
checks more than env vars.
Can we change this to something like, "A credentials provider chain will be
used that searches for credentials in this order: ENV_VARS, SYS_PROPS, PROFILE
in the AWS instance metadata". According to the AWS API Javadocs, this is the
actual behaviour.
> Allow Kinesis configuration to get credentials from AWS Metadata
> ----------------------------------------------------------------
>
> Key: FLINK-4222
> URL: https://issues.apache.org/jira/browse/FLINK-4222
> Project: Flink
> Issue Type: Improvement
> Components: Streaming Connectors
> Affects Versions: 1.0.3
> Reporter: Nick Chadwick
> Priority: Minor
> Labels: easyfix
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> When deploying Flink TaskManagers in an EC2 environment, it would be nice to
> be able to use the EC2 IAM Role credentials provided by the EC2 Metadata
> service.
> This allows for credentials to be automatically discovered by services
> running on EC2 instances at runtime, and removes the need to explicitly
> create and assign credentials to TaskManagers.
> This should be a fairly small change to the configuration of the
> flink-connector-kinesis, which will greatly improve the ease of deployment to
> Amazon EC2
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