d37460147e
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Add mTLS to kubeadm etcd liveness probe. **What this PR does / why we need it**: We switched etcd over to using mTLS, but the liveness probe is still using http. Disabling the liveness probe allows etcd to continue operating. The real fix isn't simple, because we need to generate a client certificate for healthchecking and update the probe to exec `etcdctl` like so: https://sourcegraph.com/github.com/coreos/etcd-operator/-/blob/pkg/util/k8sutil/pod_util.go#L71-89 ~Working on patching this now.~ This PR now generates the healthcheck identity and updates the liveness probe to use it. **Which issue(s) this PR fixes** Fixes #59766 Fixes kubernetes/kubeadm#720 **Special notes for your reviewer**: We should generate a client cert specifically for etcd health checks so that the apiserver certs can be revoked independently. This will be stored in `/etc/kubernetes/pki/etcd/` so that we don't have to change the pod's hostMount. **Release note**: ```release-note NONE ``` |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing 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 you are a company that 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 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.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/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.