Elek, Marton created HDDS-434:
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             Summary: Provide an s3 compatible REST api for ozone objects
                 Key: HDDS-434
                 URL: https://issues.apache.org/jira/browse/HDDS-434
             Project: Hadoop Distributed Data Store
          Issue Type: New Feature
            Reporter: Elek, Marton
            Assignee: Elek, Marton
             Fix For: 0.3.0


S3 REST api is the de facto standard for object stores. Many external tools 
already support it.

This issue is about creating a new s3gateway component which implements (most 
part of) the s3 API using the internal RPC calls.

Some part of the implementation is very straightforward: we need a new service 
with usual REST stack and we need to implement the most commont GET/POST/PUT 
calls. Some other (Authorization, multi-part upload) are more tricky.

Here I suggest to create an evaluation: first we can implement a skeleton 
service which could support read only requests without authorization and we can 
define proper specification for the upload part / authorization during the work.

As of now the gatway service could be a new standalone application (eg. ozone 
s3g start) later we can modify it to work as s DatanodePlugin similar to the 
existing object store plugin. 





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