A missing 'return' causes the AfterEach() to try to clean up
GCE ingress objects when they haven't been created, because
the test was skipped in BeforeEach().
2020-07-15T17:21:10.3690332Z [BeforeEach] GCE [Slow] [Feature:kubemci]
2020-07-15T17:21:10.3690715Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/network/ingress.go:592
2020-07-15T17:21:10.3690970Z Jul 15 17:21:10.368: INFO: Only supported for providers [gce gke] (not )
2020-07-15T17:21:10.3694003Z [AfterEach] GCE [Slow] [Feature:kubemci]
2020-07-15T17:21:10.3696927Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/network/ingress.go:614
2020-07-15T17:21:10.3697845Z [1mSTEP[0m: No ingress created, no cleanup necessary
2020-07-15T17:21:10.3698213Z [1mSTEP[0m: Cleaning up cloud resources
2020-07-15T17:21:15.3709789Z E0715 17:21:15.370134 78875 runtime.go:78] Observed a panic: "invalid memory address or nil pointer dereference" (runtime error: invalid memory address or nil pointer dereference)
2020-07-15T17:21:15.3710883Z goroutine 63 [running]:
2020-07-15T17:21:15.3711892Z [AfterEach] [sig-network] Loadbalancing: L7
2020-07-15T17:21:15.3712802Z k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/runtime.logPanic(0x40215e0, 0x7b71700)
2020-07-15T17:21:15.3713654Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/framework.go:179
2020-07-15T17:21:15.3714871Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:74 +0xa3
2020-07-15T17:21:15.3715130Z Jul 15 17:21:15.370: INFO: Waiting up to 3m0s for all (but 0) nodes to be ready
2020-07-15T17:21:15.3715703Z k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/runtime.HandleCrash(0x0, 0x0, 0x0)
2020-07-15T17:21:15.3716215Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/runtime/runtime.go:48 +0x82
2020-07-15T17:21:15.3716610Z panic(0x40215e0, 0x7b71700)
2020-07-15T17:21:15.3717184Z /opt/hostedtoolcache/go/1.13.4/x64/src/runtime/panic.go:679 +0x1b2
2020-07-15T17:21:15.3717803Z k8s.io/kubernetes/test/e2e/framework/providers/gce.(*IngressController).deleteForwardingRule(0x0, 0x0, 0xc0034cce04, 0x2)
2020-07-15T17:21:15.3718372Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/providers/gce/ingress.go:158 +0x20b
2020-07-15T17:21:15.3718859Z k8s.io/kubernetes/test/e2e/framework/providers/gce.(*IngressController).Cleanup(0x0, 0x0, 0x1, 0xc0034ccd68)
2020-07-15T17:21:15.3719369Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/providers/gce/ingress.go:724 +0x38
2020-07-15T17:21:15.3719947Z k8s.io/kubernetes/test/e2e/framework/providers/gce.(*IngressController).CleanupIngressControllerWithTimeout.func1(0xc0034ccd78, 0xc00315e8a0, 0xc0002acf88)
2020-07-15T17:21:15.3720474Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/providers/gce/ingress.go:88 +0x33
2020-07-15T17:21:15.3720968Z k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.runConditionWithCrashProtection(0xc0034ccfa0, 0xc0034cce00, 0x0, 0x0)
2020-07-15T17:21:15.3721508Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:211 +0x6f
2020-07-15T17:21:15.3722020Z k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.WaitFor(0xc003393120, 0xc0034ccfa0, 0xc00341ae40, 0x0, 0x0)
2020-07-15T17:21:15.3722542Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:528 +0x159
2020-07-15T17:21:15.3723233Z k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.pollInternal(0xc003393120, 0xc0034ccfa0, 0x0, 0x0)
2020-07-15T17:21:15.3723771Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:414 +0x9f
2020-07-15T17:21:15.3724305Z k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait.Poll(0x12a05f200, 0xd18c2e2800, 0xc0034ccfa0, 0xc0000a4940, 0xc0034ccfb0)
2020-07-15T17:21:15.3724872Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/wait/wait.go:408 +0x4d
2020-07-15T17:21:15.3725377Z k8s.io/kubernetes/test/e2e/framework/providers/gce.(*IngressController).CleanupIngressControllerWithTimeout(0x0, 0xd18c2e2800, 0x0, 0x0)
2020-07-15T17:21:15.3726709Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/providers/gce/ingress.go:87 +0x69
2020-07-15T17:21:15.3743725Z k8s.io/kubernetes/test/e2e/framework/providers/gce.(*IngressController).CleanupIngressController(...)
2020-07-15T17:21:15.3744385Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/providers/gce/ingress.go:81
2020-07-15T17:21:15.3744822Z k8s.io/kubernetes/test/e2e/network.glob..func10.4.2()
2020-07-15T17:21:15.3745340Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/network/ingress.go:626 +0x12a
2020-07-15T17:21:15.3745868Z k8s.io/kubernetes/vendor/github.com/onsi/ginkgo/internal/leafnodes.(*runner).runSync(0xc000e17740, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
2020-07-15T17:21:15.3746756Z /home/runner/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/vendor/github.com/onsi/ginkgo/internal/leafnodes/runner.go:113 +0xb8
Fixes:
|
||
---|---|---|
.github | ||
api | ||
build | ||
CHANGELOG | ||
cluster | ||
cmd | ||
docs | ||
hack | ||
LICENSES | ||
logo | ||
pkg | ||
plugin | ||
staging | ||
test | ||
third_party | ||
translations | ||
vendor | ||
.bazelrc | ||
.bazelversion | ||
.generated_files | ||
.gitattributes | ||
.gitignore | ||
.kazelcfg.json | ||
BUILD.bazel | ||
CHANGELOG.md | ||
code-of-conduct.md | ||
CONTRIBUTING.md | ||
go.mod | ||
go.sum | ||
LICENSE | ||
Makefile | ||
Makefile.generated_files | ||
OWNERS | ||
OWNERS_ALIASES | ||
README.md | ||
SECURITY_CONTACTS | ||
SUPPORT.md | ||
WORKSPACE |
Kubernetes

Kubernetes is an open source system for managing containerized applications across multiple hosts. It provides basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If your company wants to help shape the evolution of technologies that are container-packaged, dynamically scheduled, and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
Take a free course on Scalable Microservices with Kubernetes.
To use Kubernetes code as a library in other applications, see the list of published components.
Use of the k8s.io/kubernetes
module or k8s.io/kubernetes/...
packages as libraries is not supported.
To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
mkdir -p $GOPATH/src/k8s.io
cd $GOPATH/src/k8s.io
git clone https://github.com/kubernetes/kubernetes
cd kubernetes
make
You have a working Docker environment.
git clone https://github.com/kubernetes/kubernetes
cd kubernetes
make quick-release
For the full story, head over to the developer's documentation.
Support
If you need support, start with the troubleshooting guide, and work your way through the process that we've outlined.
That said, if you have questions, reach out to us one way or another.