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Node Conformance Test: Move namespace controller to services
For #30122, #30174.
Based on #30116, #30198.
**Please only review the 3rd PR.**
This PR is part of our roadmap to package node conformance test.
The 1st commit is from #30116, which started e2e services in a separate process.
The 2nd commit is from #30198, it statically linked etcd into the node e2e framework.
The 3rd commit is new, it moved namespace controller into e2e services.
@dchen1107 @vishh
/cc @kubernetes/sig-node @kubernetes/sig-testing
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Unblock iterative development on pod-level cgroups
In order to allow forward progress on this feature, it takes the commits from #28017#29049 and then it globally disables the flag that allows these features to be exercised in the kubelet. The flag can be re-added to the kubelet when its actually ready.
/cc @vishh @dubstack @kubernetes/rh-cluster-infra
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When running inside docker, activate service account ASAP
Also switching to just use `GOOGLE_APPLICATION_CREDENTIALS`, rather than both.
x-ref https://github.com/kubernetes/test-infra/issues/318
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Wait for memory to be reclaimed after node_e2e MemoryEviction test
This helps prevent interference with other tests that run immediately after the MemoryEviction test.
/cc @Random-Liu @coufon
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Gubernator bug fixes: mv and GCS bucket permissions
Fixed issue where results file was not moved correctly, and also the permissions issue with the GCS bucket.
Will rebase after #30414 is merged
@timstclair
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Add logging time series to benchmark test
This PR adds a new file benchmark_util.go which contains tool functions for benchmark (we can migrate benchmark related functions into it).
The PR logs time series data for density benchmark test.
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Node E2E: Make readiness check handling process exits with 0 exit code.
As is mentioned by @mtaufen:
"there is a problem with the way service `start` is currently implemented in test/e2e_node/e2e_service.go. If the Kubelet exits with status 0 before the health check completes, cmdErrorChan will be closed and, as a result, nil will be read from that channel, and you will return a nil error from `start`."
This PR changes the logic to:
1) If the err channel returns an error, return the error
2) If the err channel returns a nil, ignore it and continue checking readiness.
3) If the err channel is closed before readiness check succeeds, replace it with `blockCh` and continue checking readiness.
@mtaufen
/cc @kubernetes/sig-node
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Add GUBERNATOR flag which produces g8r link for node e2e tests
When you run 'make tests-e2e-node REMOTE=true GUBERNATOR=true' outputs a URL to view the test results on Gubernator. ~~Should work after my PR for Gubernator is merged.~~
@timstclair
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Add tag [benchmark] to node-e2e-test where performance limits are not verified
This PR adds a new tag "[benchmark]" to density and resource-usage node e2e test. The performance limits will not be verified at the end of benchmark tests.
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Run CI Jenkins node e2e tests in project k8s-jkns-ci-node-e2e
Fixes#27648.
If node VMs leak, they should only harm themselves, not the rest of Jenkins.
This also lets us do VM cleanup without worrying that we might accidentally delete important Jenkins VMs.
The `k8s-jkns-ci-node-e2e` should have the right ACLs in place already. The quota is at defaults, but I don't think we'll need to increase it at this point.
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Update core etcd references to use 3.0.4
This updates the core references to use 3.0.4.
There are still legacy references in the code base that should be cleaned, or just removed but I'm reluctant to purge.
/cc @kubernetes/sig-scalability
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Add Time Series Data and Labels in Node density test
This pull requests contain:
1. Increase the pod creation latency limit according to test results;
2. Add 'GetResourceSeriesWithLabels' in 'resource_collector.go' to provide resource usage time series data;
3. Modify 'GetBasicCPUStats' in 'resource_collector.go' to make a copy of CPU usage array before sorting (otherwise time series data is disordered);
4. Add 'ResourceUsageToPerfDataWithLabels' and 'CPUUsageToPerfDataWithLabels' to attach labels to 'PerfData' for benchmark dashboard;
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Fix killing child sudo process in e2e_node tests
Fixes#29211; re-doing #29380 which was reverted due to cross-platform build failure #29669.
The context is we are trying to kill a process started as `sudo kube-apiserver`, but `sudo` ignores signals from the same process group. Applying `Setpgid` means the `sudo kill` process won't be in the same process group, so will not fall foul of this nifty feature.
~~I also took the liberty of removing some code setting `Pdeathsig` because it claims to be doing something in the same area, but actually it doesn't do that at all. The setting is applied to the forked process, i.e. `sudo`, and it means the `sudo` will get killed if we (`e2e_node.test`) die. This (a) isn't what the comment says and (b) doesn't help because sending SIGKILL to the sudo process leaves sudo's child alive.~~
We do need to use the same 'hack' to access `Setpgid` as the `e2e_node.test` program gets built on Windows (although it doesn't run there).
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Use latest GCI image based on a regex in Node e2e
This PR also makes it possible to run node e2e against multiple previous images, sorted by creation time. A regex for the image name can be used to instruct node e2e to identify test images.
Depends on #29577
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