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	Commit message (Collapse)	Author	Age	Files	Lines
*	S3 hydration backend for hub mode (#873)	Dan Engelbrecht	4 days	1	-29/+86
\| \| \| \| \| \|	- Feature: Added S3 hydration backend for hub mode (`--hub-hydration-target-spec s3://<bucket>[/<prefix>]`) - Credentials resolved from `AWS_ACCESS_KEY_ID`/`AWS_SECRET_ACCESS_KEY` env vars, falling back to EC2 instance profile via IMDS - Each dehydration uploads to a new timestamped folder and commits a `current-state.json` pointer on success, so a failed upload never invalidates the previous state - Hydration downloads to a temp directory first and only replaces the server state on full success; failures leave the existing state intact
*	Simple S3 client (#836)	Stefan Boberg	8 days	1	-0/+986
	This functionality is intended to be used to manage datasets for test cases, but may be useful elsewhere in the future. - Add S3 client with AWS Signature V4 (SigV4) signing — new `S3Client` in `zenutil/cloud/` supporting `GetObject`, `PutObject`, `DeleteObject`, `HeadObject`, and `ListObjects` operations - Add EC2 IMDS credential provider — automatically fetches and refreshes temporary AWS credentials from the EC2 Instance Metadata Service (IMDSv2) for use by the S3 client - Add SigV4 signing library — standalone implementation of AWS Signature Version 4 request signing (headers and query-string presigning) - Add path-style addressing support — enables compatibility with S3-compatible stores like MinIO (in addition to virtual-hosted style) - Add S3 integration tests — includes a `MinioProcess` test helper that spins up a local MinIO server, plus integration tests exercising the S3 client end-to-end - Add S3-backed `HttpObjectStoreService` tests — integration tests verifying the zenserver object store works against an S3 backend - Refactor mock IMDS into `zenutil/cloud/` — moved and generalized the mock IMDS server from `zencompute` so it can be reused by both compute and S3 credential tests