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avoid duplicate status in audit events
Fixes: https://github.com/kubernetes/kubernetes/issues/60108
**What this PR does / why we need it**:
**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**:
/assign @sttts @tallclair
**Release note**:
```
Action required: When Response is a metav1.Status, it is no longer copied into the audit.Event status. Only the "status", "reason" and "code" fields are set.
```
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CRI: update documents for container logpath
**What this PR does / why we need it**:
The container log path has been changed from `containername_attempt#.log` to `containername/attempt#.log` in #59906. This PR updates CRI documents for it.
**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
CRI: update documents for container logpath. The container log path has been changed from containername_attempt#.log to containername/attempt#.log
```
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apiserver: Fail if dry-run query param is specified
Adds a dry-run query parameter now that does nothing but reject the request. The sooner we have this check in master, the safer it will be for clients to send dry-run requests that are not going to be applied nonetheless.
```release-note
Create a new `dryRun` query parameter for mutating endpoints. If the parameter is set, then the query will be rejected, as the feature is not implemented yet. This will allow forward compatibility with future clients; otherwise, future clients talking with older apiservers might end up modifying a resource even if they include the `dryRun` query parameter.
```
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Clean up equiv cache with a simple implementation instead of LRU
**What this PR does / why we need it**:
The original version of equiv cache use pod hash as cache key, also, the predicate order is not fixed. So I used a LRU cache to improve hit rate.
While now we've already refactored it to use predicates as keys, and its order was also fixed in scheduler, we can use a simplest cache instead now.
**Special notes for your reviewer**:
The question is brought up by @misterikkit
**Release note**:
```release-note
NONE
```
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kubeadm: Contact the kubelet on its healthz port instead of its readonly port
**What this PR does / why we need it**:
In order for us to disable the kubelet's readonly port in v1.11 (https://github.com/kubernetes/kubeadm/issues/732), we need to cut the dependency on that port being open. Instead, we can use the dedicated healthz port (using the defaults `--healthz-bind-address=127.0.0.1` and `--healthz-port=10248`, xref: https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/)
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of https://github.com/kubernetes/kubeadm/issues/732
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
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Sort arguments before joining them, for reproducible return string
**What this PR does / why we need it**:
This PR makes kubeadm static pod manifest generation consistent. Right now when `kubeadm init` is called repeatedly, the generated pod manifest files under /etc/kubernetes/manifest/ are changing. Its really hard to test how a configuration change effects the manifest files.
The current implementation is ranging over a map[string]string which will be happening in a random order, generating different pod manifests even without changing any configuration.
The suggested solution makes pom manifest generation idempotent. It opens up integration test possibilities, like testing whole yaml result of `kubeadm alpha phase controlplane`.
**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
```
/sig cluster-lifecycle
/assign @luxas
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Add e2e test to verify that GPU pool is not scaled up if GPUs are not requested
**Release note**:
```release-note
NONE
```
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validation: improve ProjectedVolume validation errors
* only report "may not specify more than 1 volume type" once
* fix incorrectly reported field paths
* continue to traverse into projections to report further errors.
@kubernetes/sig-storage-pr-reviews
```release-note
NONE
```
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remove PodPreset and enable resources for Priority admission plugins in e2e-gce
**What this PR does / why we need it**:
e2e-gce start kube-apiserver without admission PodPreset and enable resources for Priority
**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#62377
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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track/close kubelet->API connections on heartbeat failure
xref #48638
xref https://github.com/kubernetes-incubator/kube-aws/issues/598
we're already typically tracking kubelet -> API connections and have the ability to force close them as part of client cert rotation. if we do that tracking unconditionally, we gain the ability to also force close connections on heartbeat failure as well. it's a big hammer (means reestablishing pod watches, etc), but so is having all your pods evicted because you didn't heartbeat.
this intentionally does minimal refactoring/extraction of the cert connection tracking transport in case we want to backport this
* first commit unconditionally sets up the connection-tracking dialer, and moves all the cert management logic inside an if-block that gets skipped if no certificate manager is provided (view with whitespace ignored to see what actually changed)
* second commit plumbs the connection-closing function to the heartbeat loop and calls it on repeated failures
follow-ups:
* consider backporting this to 1.10, 1.9, 1.8
* refactor the connection managing dialer to not be so tightly bound to the client certificate management
/sig node
/sig api-machinery
```release-note
kubelet: fix hangs in updating Node status after network interruptions/changes between the kubelet and API server
```
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print result object from kubectl taint correctly
fixes#63767
```release-note
NONE
```
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Create pkg/scheduling/apis/v1beta1 and move priorityClass to beta
**What this PR does / why we need it**:
This is for creating pkg/apis/scheduling/v1beta1 so that priorityClasses could be moved to beta.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of #57471
**Special notes for your reviewer**:
/cc @bsalamat @aveshagarwal
**Release note**:
```release-note
The `PriorityClass` API is promoted to `scheduling.k8s.io/v1beta1`
```
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Improve kubeadm upgrade path for CoreDNS
**What this PR does / why we need it**:
This PR achieves the following:
1. Retains the CoreDNS ConfigMap defined by the user during `kubeadm upgrade`.
2. Removes the CoreDNS deployment when user decides to install kube-dns during `kubeadm upgrade`.
**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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[GCE] check for new backend naming scheme
**What this PR does / why we need it**:
Checks for both the old Backend naming scheme (Nodeport in the name) and the new naming scheme (same scheme used to name NEGs). We need to check for both, in order for both the tests against Ingress head (once https://github.com/kubernetes/ingress-gce/pull/239 gets merged) and tests against prior Ingress versions to pass.
See https://github.com/kubernetes/ingress-gce/pull/239 .
**Release note**:
```release-note
NONE
```
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k8s.io/client-go/{kubernetes,rest}: remove dependency on pflag
This change removes an unused pflag utility which cuts a client-go transitive dependency on that library.
Verified using `go list`
```
go list -f '{{join .Deps "\n"}}' k8s.io/kubernetes/vendor/k8s.io/client-go/kubernetes \
| xargs go list -f '{{if not .Standard}}{{.ImportPath}}{{end}}' \
| grep pflag
```
/cc @sttts @kubernetes/sig-api-machinery-pr-reviews
Edit: it looks like k8s.io/client-go/tools/clientcmd still imports this. So practically, if you're loading from a kubeconfig you're going to get the import. Might still be a good cleanup to make though.
```release-note
NONE
```
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Fix localport open with --nodeport-addresses specified
**What this PR does / why we need it**:
Fix localport open with --nodeport-addresses specified.
**Which issue(s) this PR fixes**:
Fixes#61953
**Special notes for your reviewer**:
@ephur
**Release note**:
```release-note
Services can listen on same host ports on different interfaces with --nodeport-addresses specified
```
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kubeadm: Use the API machinery for marshalling
**What this PR does / why we need it**:
Similar to https://github.com/kubernetes/kubernetes/pull/63723, we should not use a generic `yaml`
package for marshalling, but use the API machinery we have already in place. This now correctly includes `apiVersion` and `kind` when printing the configuration in the upgrade procedure.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of https://github.com/kubernetes/community/pull/2131
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
Automatic merge from submit-queue (batch tested with PRs 63588, 63806). 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>.
kubeadm - do not generate etcd ca/certs for external etcd
**What this PR does / why we need it**:
Currently we generate an etcd CA and certificates even if we are specifying an external etcd cluster when running `kubeadm init`, this PR changes this behavior to skip generating the etcd CA and certificates if configured for an external etcd cluster.
**Which issue(s) this PR fixes**
Fixes https://github.com/kubernetes/kubeadm/issues/807
**Release note**:
```release-note
kubeadm will no longer generate an unused etcd CA and certificates when configured to use an external etcd cluster.
```
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Run FSGroup tests by default.
There is no special feature flag for FSGroup and the tests can run in all test suites. They're reasonably fast too.
**Release note**:
```release-note
NONE
```
cc: @jeffvance
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Kubeadm: Update comments and UT to remove /66 restriction
**What this PR does / why we need it**:
The comments in cmd/kubeadm/app/phases/controlplane/manifests.go mention the
IPv6 /66 restriction, and the UT also refers to this.
This restriction was removed in PR#60089
This removes those comments and updates the UT
**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#62806
**Special notes for your reviewer**:
**Release note**:
```release-note-none
```
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kubeadm-init: update note about failing containers
**What this PR does / why we need it**:
This PR was merged before all requested changes
were applied:
kubernetes/pull/59731
Update the note about failing containers as requested here:
https://github.com/kubernetes/kubernetes/pull/59731#pullrequestreview-119517427
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
NONE
**Special notes for your reviewer**:
NONE
**Release note**:
```release-note
NONE
```
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Kubeadm marshal tests
**What this PR does / why we need it**:
Adds tests for the marshalling utilities in kubeadm.
**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: kubernetes/kubeadm#802
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Rename `kubeadmapiext` to the more explicit `kubeadmapiv1alpha1`
**What this PR does / why we need it**:
`kubeadmext` is somewhat confusing to those who read the code (although it means "the external API of kubeadm", which to some degree makes sense), so I'm swapping all references to it to the more explicit `kubeadmapiv1alpha1`. This change is needed given that we will support multiple external APIs.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of https://github.com/kubernetes/community/pull/2131
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio
Automatic merge from submit-queue (batch tested with PRs 63761, 63794, 63649). 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>.
fix missing flag value bindings in kubectl
**What this PR does / why we need it**:
When working #63644, I find there are still some flag not bound correctly.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref #60366
**Special notes for your reviewer**:
/cc soltysh deads2k
/cc kubernetes/sig-cli-api-reviews
**Release note**:
```release-note
None
```
Automatic merge from submit-queue (batch tested with PRs 63761, 63794, 63649). 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>.
remove unused PrintFlags.Scheme
PrintFlags.Scheme is unused, remove it.
**Release note**:
```release-note
NONE
```
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>.
Avoid copying aggregated admin/edit/view roles during bootstrap
Fixes#63760
At apiserver startup, prior to reconciling cluster roles, the following roles (if they exist) are copied:
* admin -> system:aggregate-to-admin
* edit -> system:aggregate-to-edit
* view -> system:aggregate-to-view
This was added in 1.9 as part of role aggregation to ensure custom permissions added to the admin/edit/view roles were preserved, prior to making the admin/edit/view roles aggregated (since the permissions of an aggregated role are controller-managed)
When starting multiple members of a new HA cluster simultaneously, the following race can occur:
* t=0, server 1,2,3 start up
* t=1, server 1 finds no admin/edit/view roles exist, begins role reconciliation and creates the aggregated `admin` role
* t=2, server 2 finds and copies the `admin` role created by server 1 to `system:aggregate-to-admin`
If this race is encountered, it results in `system:aggregate-to-admin` being an aggregated role, and its permissions subject to being overwritten by the aggregating controller. To prevent this from happening, the permission-preserving copy should only copy over roles that are not yet aggregated.
To correct this in clusters that have already encountered it, role reconciliation should remove aggregation from a role that is not expected to be aggregated at all.
```release-note
corrects a race condition in bootstrapping aggregated cluster roles in new HA clusters
```
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Updated README to include client-go<->controller diagram
The sample-controller makes extensive use of various mechanisms
available in client-go. For writing custom controllers/operators
it will be helpful if there is precise description of how the
client-go library works and how/where it interfaces with
custom controller code.
Recently we published a blog post with these details here:
https://medium.com/@cloudark/kubernetes-custom-controllers-b6c7d0668fdf
This patch includes the diagram from the post, as was recommended
by @sttts on https://github.com/kubernetes/sample-controller/issues/13
**What this PR does / why we need it**:
**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
```
Automatic merge from submit-queue (batch tested with PRs 62833, 63585). 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 comments for ipset entries in kube-proxy
**What this PR does / why we need it**:
**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#63584
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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 necessary explanation for container log rotation.
**What this PR does / why we need it**:
#59898
> Container log manager only starts when the container runtime is remote (not docker), because we can't implement ReopenContainerLog for docker.
**Release note**:
```release-note
NONE
```
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>.
Adds initial Korean translations for kubectl
**What this PR does / why we need it**:
This PR provides a first attempt to translate kubectl in Korean (related to #51867, #40645, #45573, #45562, #40591, #46559, #50155).
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
No issues
**Special notes for your reviewer**:
This PR requires Korean people to assist in the review. I am native in Korean and also a translator & reviewer in Korean in OpenStack I18n team (http://stackalytics.com/?metric=translations&user_id=ianychoi ).
**Release note**:
```release-note
Adding initial Korean translation for kubectl
```
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Control exactly what we use in kubeadm
**What this PR does / why we need it**:
we recently got rid of extra arg validation for preflight check:
9f21f5dd1e
the import-boss configuration will help us control exactly what
gets added/used in kubeadm. In this PR, we add a white-list of
the exact packages we use currently.
We will need to review these, make new PR(s) to eliminate things
we don't want to be depending on (just like the cloud provider related code).
**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
```
we recently got rid of extra arg validation for preflight check:
9f21f5dd1e
the import-boss configuration will help us control exactly what
gets added/used in kubeadm. In this PR, we add a white-list of
the exact packages we use currently.
We will need to review these, make new PR(s) to eliminate things
we don't want to be depending on (just like the cloud provider related code).
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>.
Revisit the OWNERS file for kubeadm
**What this PR does / why we need it**:
The OWNERS file for kubeadm is getting a little bit stale. As discussed in today's SIG Cluster Lifecycle meeting, we're gonna update it with the currently active contributors.
**Special notes for your reviewer**:
Every person that is involved here, please ACK and LGTM the change.
@jbeda removed from approvers
@krousey removed from approvers/reviewers
@fabriziopandini graduated to an approver
@dmmcquay removed from reviewers
@jamiehannaford removed from reviewers
@kargakis removed from reviewers
@liztio added to reviewers
@chuckha added to reviewers
@detiber added to reviewers
@stealthybox added to reviewers
@dixudx added to reviewers
Thank you everyone for your contributions 👏 (no one can't maintain something forever), and congratulations and welcome everyone with a new role, happy to have you here 👍!
**Release note**:
```release-note
NONE
```
cc @kubernetes/sig-cluster-lifecycle-pr-reviews
Dr. Stefan Schimanski