velero-io/velero

Consider making it easier to add fsfreeze or other pre/post hooks to pods

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#1,872 opened on Sep 12, 2019

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Enhancement/UserGood first issueIceboxNeeds ProductResticReviewed Q2 2021kind/requirement

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Description

Describe the problem/challenge you have Right now, if a user wants to use an fsfreeze or other pre/post hook for their pod backup, they need to manually add annotations to the pod and possibly add a container to the pod spec as well (i.e. the gcr.io/heptio-images/fsfreeze image). This can be burdensome for users.

Describe the solution you'd like Per #1586, one option would be to add a webhook to automatically add this to new pods. Another option would be a CLI command that makes this easier (e.g. velero hook add).

Contributor guide

Research direction
Explore implementing a mutating webhook to automatically add fsfreeze hooks to pods, or a Velero CLI command to simplify hook addition.
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.
1-2 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.
Mostly clear
Prerequisites
KubernetesGo
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
50