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Posted to common-issues@hadoop.apache.org by "Shilun Fan (Jira)" <ji...@apache.org> on 2024/01/04 12:29:00 UTC
[jira] [Updated] (HADOOP-15525) s3a: clarify / improve support for mixed ACL buckets
[ https://issues.apache.org/jira/browse/HADOOP-15525?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shilun Fan updated HADOOP-15525:
--------------------------------
Target Version/s: 3.5.0 (was: 3.4.0)
> s3a: clarify / improve support for mixed ACL buckets
> ----------------------------------------------------
>
> Key: HADOOP-15525
> URL: https://issues.apache.org/jira/browse/HADOOP-15525
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs/s3
> Affects Versions: 3.0.0
> Reporter: Aaron Fabbri
> Assignee: Aaron Fabbri
> Priority: Major
>
> Scenario: customer wants to only give a Hadoop cluster access to a subtree of an S3 bucket.
> For example, assume Hadoop uses some IAM identity "hadoop", which they wish to grant full permission to everything under the following path:
> s3a://bucket/a/b/c/hadoop-dir
> they don't want hadoop user to be able to read/list/delete anything outside of the hadoop-dir "subdir"
> Problems:
> To implement the "directory structure on flat key space" emulation logic we use to present a Hadoop FS on top of a blob store, we need to create / delete / list ancestors of {{hadoop-dir}}. (to maintain the invariants (1) zero-byte object with key ending in '/' exists iff empty directory is there and (2) files cannot live beneath files, only directories.)
> I'd like us to (1) document a an example with IAM ACLs policies that gets this basic functionality, and consider (2) making improvements to make this easier.
> We've discussed some of these issues before but I didn't see a dedicated JIRA.
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