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add node shutdown taint
**What this PR does / why we need it**: we need node stopped taint in order to detach volumes immediately without waiting timeout. More info in issue ticket #58635
**Which issue(s) this PR fixes**
Fixes#58635
**Special notes for your reviewer**: this was reverted, original PR https://github.com/kubernetes/kubernetes/pull/59323 Hopefully now bugs are fixed. However, I will execute more tests manually today.
**Release note**:
```release-note
NONE
```
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ipvs proxy bind externalIP and lb ingress.IP to dummy interface
**What this PR does / why we need it**:
IPVS proxy bind externalIP and lb ingress.IP to dummy interface.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#59976
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Clean up and remove unused deps
**What this PR does / why we need it**:
The `examples/` directory was removed in #61246, but it's deps weren't cleaned up.
**Release note**:
```release-note
NONE
```
Instead of using kubeadmutil.CheckErr() in every single
phase of cmd.Run(), use a new helper function
NewValidJoin() that returns a single error.
This would improve the unit testing options for this file.
Otherwise any error in cmd.Run() will trigger an os.Exit()
as kubeadmutil.CheckErr() does that.
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A test we always skip should not be a conformance test
**What this PR does / why we need it**:
We should not have a test marked Conformance when it is always skipped
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#62217
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add note on upgrading cluster by kubeadm.
**What this PR does / why we need it**:
Upgrading cluster from 1.9.x to 1.10.0 by kubeadm fails due to type change of `featureGates` in `KubeProxyConfiguration` done in #57962. This PR add a note on what should be done before upgrading.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
ref #61764
**Special notes for your reviewer**:
cc @kubernetes/sig-cluster-lifecycle-bugs @liggitt @fgbreel
Thanks @berlinsaint for the workaround!
We may need a patch (if possible) for kubeadm to do this automatically as suggested by @danderson .
**Release note**:
```release-note
NONE
```
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Fix device plugin re-registration
**What this PR does / why we need it**:
While registering a new endpoint, device manager copies all the devices from the old endpoint for the same resource and then it stops the old endpoint and starts the new endpoint.
There is no sync between stopping the old and starting the new. While stopping the old, manager marks devices(which are copied to new endpoint as well) as "Unhealthy".
In the endpoint.go, when after restart, plugin reports devices healthy, same health state (healthy) is found in the endpoint database and endpoint module does not update manager database.
Solution in the PR is to mark devices as unhealthy before copying to new endpoint.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#62773
**Special notes for your reviewer**:
**Release note**:
```release-note
None
```
/cc @jiayingz @vishh @RenaudWasTaken @derekwaynecarr
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fix hostport checking for initContainers since they run in sequential order
**What this PR does / why we need it**:
Fix hostport checking for initContainers since they run in sequential order
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
partial Fixes#57443
**Special notes for your reviewer**:
/assign @CaoShuFeng @dims
**Release note**:
```release-note
None
```
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Support nsenter in non-systemd environments
**What this PR does / why we need it**:
In our CI, we run kubekins image for most of the jobs. This is a
debian image with upstart and does not enable systemd. So we should
* Bailout if any binary is missing other than systemd-run.
* SupportsSystemd should check the binary path to correctly
identify if the systemd-run is present or not
* Pass the errors back to the callers so kubelet is forced to
fail early when there is a problem. We currently assume
that all binaries are in the root directory by default which
is wrong.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Add contribex to github template owners
**What this PR does / why we need it**:
The `.github/` folder doesn't have an OWNERS file. These templates fall under contribex, so this would add an OWNERS file to this folder.
**Release note**:
```release-note
NONE
```
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Tag pkg_rpm rules as manual
**What this PR does / why we need it**: Mitigation step for #63108. Nothing depends on these rules yet, and tagging as manual prevents `make bazel-build` from building them, too.
**Release note**:
```release-note
NONE
```
/assign @BenTheElder
/cc @sigma
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dockershim/sandbox: clean up pod network even if SetUpPod() failed
If the CNI network plugin completes successfully, but something fails
between that success and dockerhsim's sandbox setup code, plugin resources
may not be cleaned up. A non-trivial amount of code runs after the
plugin itself exits and the CNI driver's SetUpPod() returns, and any error
condition recognized by that code would cause this leakage.
The Kubernetes CRI RunPodSandbox() request does not attempt to clean
up on errors, since it cannot know how much (if any) networking
was actually set up. It depends on the CRI implementation to do
that cleanup for it.
In the dockershim case, a SetUpPod() failure means networkReady is
FALSE for the sandbox, and TearDownPod() will not be called later by
garbage collection even though networking was configured, because
dockershim can't know how far SetUpPod() got.
Concrete examples include if the sandbox's container is somehow
removed during during that time, or another OS error is encountered,
or the plugin returns a malformed result to the CNI driver.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1532965
```release-note
NONE
```
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Fix hpa-use-rest-clients help text
The help text erroneously says "WARNING: alpha feature" when it
shouldn't have. When we moved to beta, this should have been removed.
**Release note**:
```release-note
NONE
```
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Fix qosReserved json tag (lowercase qos, instead of uppercase QOS)
The API conventions specify that json keys should start with a lowercase
character, and if the key starts with an initialism, all characters in
the initialism should be lowercase. See `tlsCipherSuites` as an example.
API Conventions:
https://github.com/kubernetes/community/blob/master/contributors/devel/api-conventions.md
>All letters in the acronym should have the same case, using the
>appropriate case for the situation. For example, at the beginning
>of a field name, the acronym should be all lowercase, such as "httpGet".
Follow up to: https://github.com/kubernetes/kubernetes/pull/62925
```release-note
NONE
```
@sjenning @derekwaynecarr
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fix typo: mutating validating admission should be distinguished
1. fix typo: mutating validating admission should be distinguished
1. avoid calling admit.Handles twice in delete
**Release note**:
```release-note
NONE
```
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kubeadm: add better test coverage to token.go
**What this PR does / why we need it**:
a PR for adding some more tests in `kubeadm/cmd` for `token.go`.
some areas of the `token.go` like listing, creating and deleting tokens can present challenges.
coverage was increased to around 87%.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
please, link issue # if you know of such.
**Special notes for your reviewer**:
none
**Release note**:
```release-note
NONE
```
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remove confusing flexibility for metadata interpretation
Metadata accessors are coded in. This means that we don't need to inject flexibility, the flexibility is already present based on what your code relies up. This removes the per-individual resource injection which simplifies all calling code.
intersection of @kubernetes/sig-api-machinery-pr-reviews @kubernetes/sig-cli-maintainers
```release-note
NONE
```
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Remove METADATA_AGENT_VERSION config option
**What this PR does / why we need it**:
Remove METADATA_AGENT_VERSION configuration option. To keep Metadata Agent version consistent across Kubernetes deployments.
**Release note**:
```release-note
Remove METADATA_AGENT_VERSION configuration option.
```
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Use BootID instead of ExternalID to check for new instance
PR #60692 changed the way that ExternalID is reported on GCE. Its value
is no longer the GCE instance ID. It is the instance name. So it
cannot be used to determine VM uniqueness across time. Instead,
upgrade will check that the boot ID changed.
**What this PR does / why we need it**:
Node upgrades stall out because the external ID remains the same across upgrades now.
**Which issue(s) this PR fixes**:
Fixes#62713
**Release note**:
```release-note
NONE
```
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gce: move etcd dir cleanup to manifests
we deploy it as a manifest, not an addon so locate it with the other
master manifests.
This is the last "bare pod addon", which needs to be remove to improve the situation in https://github.com/kubernetes/kubernetes/issues/62808.
```release-note
```
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authz: nodes should not be able to delete themselves
@kubernetes/sig-auth-pr-reviews
```release-note
kubelets are no longer allowed to delete their own Node API object. Prior to 1.11, in rare circumstances related to cloudprovider node ID changes, kubelets would attempt to delete/recreate their Node object at startup. If a legacy kubelet encounters this situation, a cluster admin can remove the Node object:
* `kubectl delete node/<nodeName>`
or grant self-deletion permission explicitly:
* `kubectl create clusterrole self-deleting-nodes --verb=delete --resource=nodes`
* `kubectl create clusterrolebinding self-deleting-nodes --clusterrole=self-deleting-nodes --group=system:nodes`
```
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Fix some bugs inside CSI volume plugin unit test TestAttacherMountDevice
**What this PR does / why we need it**:
Fix two bugs inside CSI volume plugin unit test `TestAttacherMountDevice`.
**Release note**:
```release-note
None
```
PR opencontainers/runc#1754 works around an issue in manager.Apply(-1) that
makes Kubelet startup hang when using systemd cgroup driver (by adding a
timeout) and further PR opencontainers/runc#1772 fixes that bug by
checking the proper error status before waiting on the channel.
PR opencontainers/runc#1776 checks whether Delegate works in slices,
which keeps libcontainer systemd cgroup driver working on systemd v237+.
PR opencontainers/runc#1781 makes the channel buffered, so if we time
out waiting on the channel, the updater will not block trying to it
since there are no longer any consumers.
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kubeadm: Make kube-proxy tolerate all taints
**What this PR does / why we need it**:
As a essential core component, kube-proxy should generally run on all
nodes even if the cluster operator taints nodes for special purposes.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixeskubernetes/kubeadm#699
**Release note**:
```release-note
kubeadm creates kube-proxy with a toleration to run on all nodes, no matter the taint.
```
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reset resultRun to 0 on pod restart
**What this PR does / why we need it**:
The resultRun should be reset to 0 on pod restart, so that resultRun on the first failure of the new container will be 1, which is correct. Otherwise, the actual FailureThreshold after restarting will be `FailureThreshold - 1`.
**Which issue(s) this PR fixes**:
This PR is related to https://github.com/kubernetes/kubernetes/issues/53530. https://github.com/kubernetes/kubernetes/pull/46371 fixed that issue but there's still a little problem like what I said above.
**Special notes for your reviewer**:
**Release note**:
```release-note
fix resultRun by resetting it to 0 on pod restart
```
