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https://issues.apache.org/jira/browse/SPARK-10969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15036418#comment-15036418
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Christoph Pirkl commented on SPARK-10969:
-----------------------------------------
This issue is about adding additional (optional) credentials for dynamodb and
cloudwatch. In my opinion it would be better to introduce a parameter object
containing all credentials than to have four additional String parameters.
I don't think it is possible to use the same mechanism as in
https://github.com/apache/spark/blob/master/core/src/main/scala/org/apache/spark/deploy/SparkHadoopUtil.scala#L98
(i.e. reading the credentials from System.getenv()) as this would mean
defining environment variables on each node.
A generic configuration using a map would mean a potential error source when
you mistype a parameter name.
> Spark Streaming Kinesis: Allow specifying separate credentials for Kinesis
> and DynamoDB
> ---------------------------------------------------------------------------------------
>
> Key: SPARK-10969
> URL: https://issues.apache.org/jira/browse/SPARK-10969
> Project: Spark
> Issue Type: Improvement
> Components: Streaming
> Affects Versions: 1.5.1
> Reporter: Christoph Pirkl
> Priority: Critical
>
> {{KinesisUtils.createStream()}} allows specifying only one set of AWS
> credentials that will be used by Amazon KCL for accessing Kinesis, DynamoDB
> and CloudWatch.
> h5. Motivation
> In a scenario where one needs to read from a Kinesis Stream owned by a
> different AWS account the user usually has minimal rights (i.e. only read
> from the stream). In this case creating the DynamoDB table in KCL will fail.
> h5. Proposal
> My proposed solution would be to allow specifying multiple credentials in
> {{KinesisUtils.createStream()}} for Kinesis, DynamoDB and CloudWatch. The
> additional credentials could then be passed to the constructor of
> {{KinesisClientLibConfiguration}} or method
> {{KinesisClientLibConfiguration.withDynamoDBClientConfig()}}.
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