Automatic merge from submit-queue
Node E2E: Make node e2e parallel
For https://github.com/kubernetes/kubernetes/issues/29081.
Fix https://github.com/kubernetes/kubernetes/issues/26215.
Based on https://github.com/kubernetes/kubernetes/pull/28807, https://github.com/kubernetes/kubernetes/pull/29020, will rebase after they are merged.
**Only the last commit is new.**
We are going to move more tests into the node e2e test. However, currently node e2e test only run sequentially, the test duration will increase quickly when we add more test.
This PR makes the node e2e test run in parallel so as to shorten test duration, so that we can add more test to improve the test coverage.
* If you run the test locally with `make test-e2e-node`, it will use `-p` ginkgo flag, which uses `(cores-1)` parallel test nodes by default.
* If you run the test remotely or in the Jenkin, the parallelism will be controlled by the environment variable `PARALLELISM`. The default value is `8`, which is reasonable for our test node (n1-standard-1).
Before this PR, it took **833.592s** to run all test on my desktop.
With this PR, it only takes **234.058s** to run.
The pull request node e2e run with this PR takes **232.327s**.
The pull request node e2e run for other PRs takes **673.810s**.
/cc @kubernetes/sig-node
Automatic merge from submit-queue
Fix ConfigMap related node e2e tests on selinux enabled systems
One selinux enabled systems, it might require to relabel
/var/lib/kubelet, otherwise following tests fail:
Summarizing 7 Failures:
```
[Fail] [k8s.io] ConfigMap [It] updates should be reflected in volume [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e_node/configmap.go:131
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume as non-root with FSGroup [Feature:FSGroup]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings as non-root [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volumpe [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings as non-root with FSGroup [Feature:FSGroup]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume as non-root [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
```
@kubernetes/rh-cluster-infra
/var/lib/kubelet, otherwise following tests fail:
Summarizing 7 Failures:
[Fail] [k8s.io] ConfigMap [It] updates should be reflected in volume [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e_node/configmap.go:131
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume as non-root with FSGroup [Feature:FSGroup]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings as non-root [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volumpe [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume with mappings as non-root with FSGroup [Feature:FSGroup]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
[Fail] [k8s.io] ConfigMap [It] should be consumable from pods in volume as non-root [Conformance]
/root/upstream-code/gocode/src/k8s.io/kubernetes/test/e2e/framework/util.go:2115
This allows us to start building real dependencies into Makefile.
Leave old hack/* scripts in place but advise to use 'make'. There are a few
rules that call things like 'go run' or 'build/*' that I left as-is for now.
k8s-merge-robot