velero-io/velero

Support per-storageclass VSClass annotation

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#8,807 opened on Mar 22, 2025

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1.19-candidateHelp wantedNeeds triageReviewed Q2 2025Reviewed Q3 2025backlog

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Description

Describe the problem/challenge you have

On csi providers that need specific VSC settings for a single type of SC driver depending on how it's configured, such as Nutanix, the only option to use csi snapshots is currently to annotate each PVC with the relevant VSC. This is cumbersome and not well scalable if there are a lot of PVCs from different sources.

Describe the solution you'd like

We'd like to support setting a VSC in the StorageClass, which is already configured with the driver settings.

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Contributor guide

Research direction
Investigate how annotations are currently passed from PVC to VolumeSnapshotContent in the Velero codebase. Then modify the logic to also read the VeleroVolumeSnapshotClass annotation from the StorageClass referenced by the PVC, and apply it when creating VolumeSnapshots.
Tech stack
go
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
3-5 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
KubernetesGo
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
45