ashangit opened a new pull request, #3243:
URL: https://github.com/apache/celeborn/pull/3243
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### What changes were proposed in this pull request?
Support all [default hadoop
provider](https://github.com/apache/hadoop/blob/rel/release-3.3.6/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/S3AUtils.java#L563)
for S3 authentication
### Why are the changes needed?
As of now celeborn only support authentication based on ACESS/SECRET key
while other authentication mechanism can be required (for ex. ENV var, relying
on
[AWS_CONTAINER_CREDENTIALS_RELATIVE_URI](https://docs.aws.amazon.com/sdkref/latest/guide/feature-container-credentials.html))
### Does this PR introduce _any_ user-facing change?
yes, the `celeborn.storage.s3.secret.key` and
`celeborn.storage.s3.access.key` are removed. In order to still provide those
we should rely on the hadoop config (`celeborn.hadoop.fs.s3a.access.key` /
`celeborn.hadoop.fs.s3a.secret.key `)
### How was this patch tested?
Tested on celeborn cluster deployed on kubernetes and configured to use S3
relying on `IAMInstanceCredentialsProvider`
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