etcd-io Infra and CI Migration about k8s.io HOT 12 OPEN

etcd DNS was migrated in #6600.

Today I have migrated the etcd netlify site to the Kubernetes account, and requested the CNCF close the etcd netlify account in CNCFSD-2245

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Note for robustness tests, there is one functionally to github actions that was not migrated. Uploading of test report artifacts.

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Have we stopped running presubmits? I stopped seeing them in Github PRs and https://testgrid.k8s.io/sig-etcd-presubmits seems empty. Nothing in https://prow.k8s.io/?repo=etcd-io%2Fetcd too

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There is a thread in #testing-ops on Slack to investigate this issue
https://kubernetes.slack.com/archives/C7J9RP96G/p1700688510160169

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I think problem might stem from etcd WAL tests. I don't think that unit tests mock storage, just write to t.TempDir() (should be /tmp/ by default). WAL creation pre-allocates 64MB, so if there are couple of such tests running without cleanup we could be allocating couple of hundreds of megabytes.

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Hello 👋
I am willing to take up some of the workflow issues for migration to Prowjobs

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Interesting flake in unit test:

=== FAIL: storage/schema TestMigrate/Upgrading_3.6_to_v3.7_is_not_supported (0.01s)
    logger.go:130: 2023-11-23T15:59:05.436Z	WARN	failed to preallocate an initial WAL file	{"path": "/tmp/TestMigrateUpgrading_3.6_to_v3.7_is_not_supported2935238209/002/etcd_wal_test401442[383](https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/etcd-io_etcd/17008/pull-etcd-unit-test/1727717754938593280#1:build-log.txt%3A383)7/wal.tmp/0000000000000000-0000000000000000.wal", "segment-bytes": 64000000, "error": "no space left on device"}
    schema_test.go:207: Failed to create WAL: no space left on device
    --- FAIL: TestMigrate/Upgrading_3.6_to_v3.7_is_not_supported (0.01s)

https://prow.k8s.io/view/gs/kubernetes-jenkins/pr-logs/pull/etcd-io_etcd/17008/pull-etcd-unit-test/1727717754938593280

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Does that unit test expect the pod to have an ephemeral volume of a specific size?

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cc @siyuanfoundation

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we could mount an emptyDir (disk or memory) to /tmp if etcd tests are writing to it heavily.

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/lifecycle frozen

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