canonical/lxd

Add custom volume transfer to lxd-migrate

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#11,558 opened on Apr 13, 2023

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Description

Currently lxd-migrate only supports moving full instances, but having support to move custom volumes too would be quite useful.

We should allow:

  • Transfer a filesystem tree into a new filesystem type custom volume
  • Transfer a block device into a new block type custom volume
  • Allow for custom volumes to be added as part of migrating instances, so one can add a number of custom volumes as part of the migration and have those attached to the instance at the end of it

Contributor guide

Research direction
Study the lxd migrate codebase to understand how instance migration works, then design volume transfer support for filesystem and block devices.
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.
Clear
Prerequisites
GoLinux
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40