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https://issues.apache.org/jira/browse/ARROW-6362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16916011#comment-16916011
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Francois Saint-Jacques commented on ARROW-6362:
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I think the exposed (high level) interface is either:
- A static credentials
- A default behavior that follows the [aws cli
defaults](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-configure.html)
this can be achieved with
[DefaultAWSCredentialsProviderChain](http://sdk.amazonaws.com/cpp/api/LATEST/class_aws_1_1_auth_1_1_a_w_s_credentials_provider.html).
In the code, it would translate to store the AWSCredentialsProviderChain in the
Option struct. The end goal is that user don't need to change their existing
credentials setup.
{code:python}
fs = s3fs(..., auth=None)
# the default which resolves to DefaultChain
fs = s3fs(..., auth=(None, None))
# AnonymousAWSCredentialsProvider
fs = s3fs(..., auth=(access, secret))
# SimpleAWSCredentialsProvider
{code}
> [C++] S3: more flexible credential options
> ------------------------------------------
>
> Key: ARROW-6362
> URL: https://issues.apache.org/jira/browse/ARROW-6362
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Antoine Pitrou
> Priority: Major
>
> We should perhaps allow passing an optional {{AWSCredentialsProvider}} to
> {{S3FileSystem::Make}}, all the while keeping an option for a (access key,
> secret key) pair.
> http://sdk.amazonaws.com/cpp/api/LATEST/class_aws_1_1_auth_1_1_a_w_s_credentials_provider.html
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