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Hotplug Integration Tests #4704

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ghost wants to merge 2 commits into firecracker-microvm:feature/vcpu-hotplug
base: feature/vcpu-hotplug
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from JamesC1305:hotplug-integration-tests

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@ghost ghost commented Jul 24, 2024 •
edited by ghost
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Changes

Add functional integration tests for vCPU hot-plugging

Reason

To ensure that everything works as intended

License Acceptance

By submitting this pull request, I confirm that my contribution is made under
the terms of the Apache 2.0 license. For more information on following Developer
Certificate of Origin and signing off your commits, please check
CONTRIBUTING.md.

PR Checklist

  • If a specific issue led to this PR, this PR closes the issue.
  • The description of changes is clear and encompassing.
  • Any required documentation changes (code and docs) are included in this
    PR.
  • API changes follow the Runbook for Firecracker API changes.
  • User-facing changes are mentioned in CHANGELOG.md.
  • All added/changed functionality is tested.
  • New TODOs link to an issue.
  • Commits meet
    contribution quality standards.
  • This functionality cannot be added in rust-vmm.

@roypat roypat changed the base branch from main to feature/vcpu-hotplug July 26, 2024 06:27
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kanpov commented Jul 28, 2024

Will the hotplug features possibly land in 1.9?

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roypat commented Jul 29, 2024 •
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Will the hotplug features possibly land in 1.9?

Hi @kanpov, thanks for your interest in the vcpu hotplugging feature!
We currently do not have an estimate of when/if hotplugging will be released, as we are still in a prototyping/researching phase to assess whether the feature would even have acceptable performance for Firecracker's usecase. Could you describe your usecase for hotplugging a bit more over in our tracking issue? That will help us with prioritization and assessment of the feature :)

roypat
roypat previously approved these changes Aug 1, 2024
@ghost ghost dismissed roypat’s stale review via aced9b1 August 7, 2024 10:08
@ghost ghost force-pushed the hotplug-integration-tests branch from 3af1fc3 to aced9b1 Compare August 7, 2024 10:08
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codecov bot commented Aug 7, 2024 •
edited
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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.95%. Comparing base (a541725) to head (f050f98).

Additional details and impacted files 
@@ Coverage Diff @@
## feature/vcpu-hotplug #4704 +/- ##
=====================================================
 Coverage 81.95% 81.95% 
=====================================================
 Files 257 257 
 Lines 31762 31762 
=====================================================
 Hits 26031 26031 
 Misses 5731 5731
Flag Coverage Δ
5.10-c5n.metal 82.07% <ø> (ø)
5.10-m5n.metal 82.06% <ø> (+<0.01%) ⬆️
5.10-m6a.metal 81.38% <ø> (ø)
5.10-m6g.metal 79.21% <ø> (ø)
5.10-m6i.metal 82.06% <ø> (+<0.01%) ⬆️
5.10-m7g.metal 79.21% <ø> (ø)
6.1-c5n.metal 82.06% <ø> (-0.01%) ⬇️
6.1-m5n.metal 82.05% <ø> (ø)
6.1-m6a.metal 81.38% <ø> (ø)
6.1-m6g.metal 79.21% <ø> (ø)
6.1-m6i.metal 82.05% <ø> (ø)
6.1-m7g.metal 79.21% <ø> (ø)

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@ghost ghost force-pushed the hotplug-integration-tests branch 2 times, most recently from 8da1a8f to 0ba64b9 Compare August 7, 2024 11:27
@roypat roypat force-pushed the feature/vcpu-hotplug branch from a8819ed to 4faee33 Compare August 7, 2024 14:54
@ghost ghost force-pushed the hotplug-integration-tests branch 3 times, most recently from fcc2f79 to 2ff7b52 Compare August 22, 2024 12:45
@ghost ghost marked this pull request as ready for review August 22, 2024 12:46 
Extend the python test API to include the hotplug endpoint.
Signed-off-by: James Curtis <jxcurtis@amazon.co.uk>
@ghost ghost force-pushed the hotplug-integration-tests branch 5 times, most recently from bb2d108 to 08a69a8 Compare August 22, 2024 15:22 
Create some functional integration tests for hotplugging. Covering
positive and negative cases, as well as onlining of vCPUs
Signed-off-by: James Curtis <jxcurtis@amazon.co.uk>
@ghost ghost force-pushed the hotplug-integration-tests branch from 08a69a8 to f050f98 Compare August 22, 2024 15:33
@ghost ghost added the Status: Awaiting review Indicates that a pull request is ready to be reviewed label Aug 22, 2024
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