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Add eviction-pressure-transitition-period flag to kubelet
This PR does the following:
* add the new flag to control how often a node will go out of memory pressure or disk pressure conditions see: https://github.com/kubernetes/kubernetes/pull/25282
* pass an `eviction.Config` into `kubelet` so we can group config
/cc @vishh
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[e2e] kubectl stdin
Problem: Currently kubectl heavily relies on files which have to be (for lack of a better word :):):)) "written" to the file system. This hinders adoption of something like gobindata, by forcing an intermediary generated-assets directory type thing.
Solution: Lets migrate `kubectl.go` testing over to using standard input streams.
cc @kubernetes/sig-testing @timothysc
Since its hard for an individual to remember that we need codecgen and
ginkgo in godeps but don't actually have that dependancy listed in a way
that godep can automatically find.
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WIP v0 NVIDIA GPU support
```release-note
* Alpha support for scheduling pods on machines with NVIDIA GPUs whose kubelets use the `--experimental-nvidia-gpus` flag, using the alpha.kubernetes.io/nvidia-gpu resource
```
Implements part of #24071 for #23587
I am not familiar with the scheduler enough to know what to do with the scores. Mostly punting for now.
Missing items from the implementation plan: limitranger, rkt support, kubectl
support and docs
cc @erictune @davidopp @dchen1107 @vishh @Hui-Zhi @gopinatht
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pkg/apis/rbac: Add Openshift authorization API types
This PR updates #23396 by adding the Openshift RBAC types to a new API group.
Changes from Openshift:
* Omission of [ResourceGroups](4589987883/pkg/authorization/api/types.go (L32-L104)) as most of these were Openshift specific. Would like to add the concept back in for a later release of the API.
* Omission of IsPersonalSubjectAccessReview as its implementation relied on Openshift capability.
* Omission of SubjectAccessReview and ResourceAccessReview types. These are defined in `authorization.k8s.io`
~~API group is named `rbac.authorization.openshift.com` as we omitted the AccessReview stuff and that seemed to be the lest controversial based on conversations in #23396. Would be happy to change it if there's a dislike for the name.~~ Edit: API groups is named `rbac`, sorry misread the original thread.
As discussed in #18762, creating a new API group is kind difficult right now and the documentation is very out of date. Got a little help from @soltysh but I'm sure I'm missing some things. Also still need to add validation and a RESTStorage registry interface. Hence "WIP".
Any initial comments welcome.
cc @erictune @deads2k @sym3tri @philips
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Updating hack/update-codegen to keep federation_clientset updated
Right now, there is no check for this and hence federation_clientset becomes stale over time.
Updating hack/update-codegen to keep federation_clientset updated.
hack/verify-codegen.sh ensures that it is updated.
cc @caesarxuchao @lavalamp @jianhuiz @kubernetes/sig-cluster-federation
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Webhook Token Authenticator
Add a webhook token authenticator plugin to allow a remote service to make authentication decisions.
Implements part of #24071
I am not familiar with the scheduler enough to know what to do with the scores. Punting for now.
Missing items from the implementation plan: limitranger, rkt support, kubectl
support and user docs
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Hack update all remove dollar symbol
When not running ./hack/update in silent mode, the script fails due to undefined ``$Updating`` variable.
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Move godeps to vendor/
This is a first-step towards glide support, maybe we don't want or need to take this, but it was easy to try.
This fails to compile, not sure why:
```
# k8s.io/kubernetes/pkg/apis/extensions/v1beta1
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2703: undefined: extensions.ClusterAutoscaler
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2703: undefined: ClusterAutoscaler
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2719: undefined: extensions.ClusterAutoscaler
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2719: undefined: ClusterAutoscaler
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2723: undefined: extensions.ClusterAutoscalerList
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2723: undefined: ClusterAutoscalerList
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:3468: Convert_extensions_JobSpec_To_v1beta1_JobSpec redeclared in this block
previous declaration at _output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion.go:328
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:3845: Convert_extensions_ScaleStatus_To_v1beta1_ScaleStatus redeclared in this block
previous declaration at _output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion.go:98
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:4737: Convert_v1beta1_JobSpec_To_extensions_JobSpec redeclared in this block
previous declaration at _output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion.go:380
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:5186: Convert_v1beta1_ScaleStatus_To_extensions_ScaleStatus redeclared in this block
previous declaration at _output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion.go:120
_output/local/go/src/k8s.io/kubernetes/pkg/apis/extensions/v1beta1/conversion_generated.go:2723: too many errors
!!! Error in /home/thockin/tmp/godep-vendor/src/k8s.io/kubernetes/hack/lib/golang.sh:417
```
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cluster/images/hyperkube: create symlink for each server
Add a kubelet symlink so that the hyperkube image can appear as a kubelet image. https://github.com/kubernetes/kubernetes/issues/24510
a) it doesn't need it
b) changing CWD to a path with symlinks breaks deep within ginkgo, where it
crafts a relative path to ../../../../../../platforms/amd64/whatever which then
traverses the physical path not the symlinked one, and breaks.
Our `realpath` and `readlink -f` functions (required only because of MacOS,
thanks Steve) were poor substitutes at best. Mostly they were downright
broken. This thoroughly overhauls them and adds a test (in comments, since we
don't seem to have shell tests). For all the interesting cases I could think
of, the fakes act just like the real thing.
Then use those and canonicalize KUBE_ROOT. In order to make recursive calls of
our shell tool not additively grow `pwd` we have to essentially make the
sourcing of init.sh idempotent.
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Introduce events flag for describers
Printing events for a given object is not always needed. Thus, introducing --show-events=false to ``kubectl describe`` to skip events printing.
Fixes: #24239
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Reimplement 'pause' in C - smaller footprint all around
Statically links against musl. Size of amd64 binary is 3560 bytes.
I couldn't test the arm binary since I have no hardware to test it on, though I assume we want it to work on a raspberry pi.
This PR also adds the gcc5/musl cross compiling image used to build the binaries.
@thockin
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Add subPath to mount a child dir or file of a volumeMount
Allow users to specify a subPath in Container.volumeMounts so they can use a single volume for many mounts instead of creating many volumes. For instance, a user can now use a single PersistentVolume to store the Mysql database and the document root of an Apache server of a LAMP stack pod by mapping them to different subPaths in this single volume.
Also solves https://github.com/kubernetes/kubernetes/issues/20466.
