[jira] [Commented] (NIFI-786) Add other supporting options for configuring credentials for AWS processors

["Joseph Witt (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15224271#comment-15224271 ] 

Joseph Witt commented on NIFI-786:
----------------------------------

Anyone in community have sufficient expertise to help review this?  Looks like a very valuable contrib to the community.

> Add other supporting options for configuring credentials for AWS processors
> ---------------------------------------------------------------------------
>
>                 Key: NIFI-786
>                 URL: https://issues.apache.org/jira/browse/NIFI-786
>             Project: Apache NiFi
>          Issue Type: Improvement
>    Affects Versions: 0.3.0
>            Reporter: Michael Kobit
>            Priority: Minor
>
> I was looking at https://issues.apache.org/jira/browse/NIFI-770 and looked at how the AWS processors credentials are currently configured. As a NFM you have a few options with the properties right now:
> 1) set basic, static credentials
> 2) set a credentials properties filepath
> 3) set neither, use anonymous credentials
> I think it would be better if each AWS could rely on a ControllerService that returns `AWSCredentialsProvider` (instead of  `AWSCredentials`) that gives all of the possible implementations that could be used, rather than relying on a static credentials. *Provider implementations can be refreshed and can also  other more complicated implementations, but already have built in support for the Static and Properties file that are provided by NiFi today.
> My thinking is that the controller service would be something like
> public interface AwsCredentialsProviderService extends ControllerService {
> 	AWSCredentialsProvider getCredentialsProvider();
> }
> and you could have `StaticAwsCredentialsProviderService`, `PropertiesFileAwsCredentialsProviderService`, and `AnonymousAwsCredentialsProviderService` to provide the functionality that is supported right now. Additional credential providers could be added later, as there a bunch more AWS provided versions that I think could fit in well.



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