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Add image pulling node e2e
Fixes#27007.
Based on #27309, will rebase after #27309 gets merged.
This PR added all tests mentioned in #27007:
* Pull an image from invalid registry;
* Pull an invalid image from gcr;
* Pull an image from gcr;
* Pull an image from docker hub;
* Pull an image needs auth with/without secrets.
For the imagePullSecrets test, I created a new gcloud project "authenticated-image-pulling", and the service account in the code only has "Storage Object Viewer" permission.
/cc @pwittrock @vishh
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Fix node e2e coreos kubelet cgroup detection
Fixes#26979#26431
The root issue, as best I can tell, is that cgroup detection does not work when the kubelet is started under an ssh session and the systemd `*Accounting` variables are set. I added additional logging and noted some differences in the cgroup slice names between those cadvisor returns and the kubelet detects for itself.
This difference does not occur if the kubelet is properly running under a unit. That environment is also a more common and sane environment.
See also discussion in #26903
cc @derekwaynecarr @vishh @pwittrock
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Port the downward api test to the node e2e suite
Also extend the framework to allow a custom client config loading function, so
that the node e2e suite can reuse the same framework across tests.
This fixes#26609
/cc @timstclair @pwittrock
This reverts commit 2494c77972.
The previous commit, which launches the kubelet under `systemd-run`,
fixes an error in detecting the kubelet's cgroup stats.
Fixes#26979
Also includes other improvements:
- Makefile rule to run tests against remote instance using existing host or image
- Makefile will reuse an instance created from an image if it was not torn down
- Runner starts gce instances in parallel with building source
- Runner uses instance ip instead of hostname so that it doesn't need to resolve
- Runner supports cleaning up files and processes on an instance without stopping / deleting it
- Runner runs tests using `ginkgo` binary to support running tests in parallel
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Mark runtime conformance tests as flaky and not run them in jenkins CI.
For #26809
@pwittrock As discussed offline, marking runtime tests as flaky for now. I'm not sure if those tests are required. Testing docker in every Kubernetes PR is un-necessary.
These tests can be run periodically in a separate CI. AFAIK, these tests don't seem to exercise any kube features.
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Update Node e2e Core OS image to run systemd with CPU & Memory accounting enabled by default
cc @derekwaynecarr
For #26289
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Enable node e2e accounting on systemd
Updated the e2e setup.sh script to enable cpu and memory accounting.
Related to https://github.com/kubernetes/kubernetes/issues/26198
/cc @pwittrock
- Exit non-0 if infrastructure failures happen
- Exit 0 if no infrastructure failures happen regardless of test results
(Jenkins will use junit.xml to determine test results)
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Support per-test-environment ginkgo flags for node e2e tests to facilitate skipping miss behaving tests in PR builder
We had an issue today where some node e2e tests were timing out in the pr builder. We want to be able to skip tests in the pr builder and leave them running in the CI if this happens again.
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Make Privileged pods node e2e use the framework
Made the test more readable along the way with more logs. This should help us triage failures/flakes in the future.
#24577
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Use pause image depending on the server's platform when testing
Removed all pause image constant strings, now the pause image is chosen by arch. Part of the effort of making e2e arch-agnostic.
The pause image name and version is also now only in two places, and it's documented to bump both
Also removed "amd64" constants in the code. Such constants should be replaced by `runtime.GOARCH` or by looking up the server platform
Fixes: #22876 and #15140
Makes it easier for: #25730
Related: #17981
This is for `v1.3`
@ixdy @thockin @vishh @kubernetes/sig-testing @andyzheng0831 @pensu
