test(metrics): collect Firecracker vhost-user metrics #4246
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Codecov ReportAll modified and coverable lines are covered by tests ✅
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## main #4246 +/- ##
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Coverage 81.69% 81.69%
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Lines 29293 29293
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Blocked on #4223 to add 1 more metric |
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Add a test to boot a VM with vhost-user as a scratch device. Resize the vhost-user scratch drive to have config change notifications and collect vhost-user metrics emitted by Firecracker for this test. Export the metrics to CloudWatch. We use a new file in performance directory for this test becuase: 1. Tests doesn't need to be ABfied so can't be part of test_block_ab and the Performance pipeline. 2. By running in nightly pipeline keeping the test in functional directory, there will be lot of other tests running in parallel resulting in noisy metrics. 3. Nightly pipeline runs performance tests in a decidated BK agent, with nothing else running on the host, and with no parallelism so it makes sense to move to performance directory but keep it out of AB tests. Signed-off-by: Sudan Landge <sudanl@amazon.com>
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Changes
Add a test to collect vhost-user metrics from Firecracker.
Reason
To monitor any regressions in vhost-user metrics over time.
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.[ ] Any required documentation changes (code and docs) are included in this PR.[ ] API changes follow the Runbook for Firecracker API changes.CHANGELOG.md.[ ] NewTODOs link to an issue.rust-vmm.