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Introduce skeleton of new attach/detach controller
This PR introduces the skeleton of the new attach/detach controller for #20262
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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Kubelet eviction flag parsers and tests
The first two commits are from https://github.com/kubernetes/kubernetes/pull/24559 that have achieved LGTM.
The last commit is only part that is interesting, it adds the parsing logic to handle the flags, and reserves `pkg/kubelet/eviction` for eviction manager logic.
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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
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add namespace index for cache
@wojtek-t
Implement in this approach make the change of lister.go small, but we should replace all `NewInformer()` to `NewIndexInformer()`, even when someone not want to filter by namespace(eg. gc_controller and scheduler). Any suggestion?
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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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API changes for Cascading deletion
This PR includes the necessary API changes to implement cascading deletion with finalizers as proposed is in #23656. Comments are welcome.
@lavalamp @derekwaynecarr @bgrant0607 @rata @hongchaodeng
The codec factory should support two distinct interfaces - negotiating
for a serializer with a client, vs reading or writing data to a storage
form (etcd, disk, etc). Make the EncodeForVersion and DecodeToVersion
methods only take Encoder and Decoder, and slight refactoring elsewhere.
In the storage factory, use a content type to control what serializer to
pick, and use the universal deserializer. This ensures that storage can
read JSON (which might be from older objects) while only writing
protobuf. Add exceptions for those resources that may not be able to
write to protobuf (specifically third party resources, but potentially
others in the future).
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Petset controller
Took longer than I expected. Main parts of this pr are:
1. Identity generation based on petset spec (volumes are mapped per discussion in #18016)
2. Ensure that we create/delete pets in sequence
3. Ensuring that we create, wait for healthy, create; or delete, wait for terminationGrace, delete
4. Controller that watches apiserver and drives actual -> desired
PVCs are not deleted, yet.
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Deleting duplicate code from federated-apiserver.Run()
This removes most of duplicate code from federated-apiserver.Run().
The code remaining is related to storage or authz and authn.
https://github.com/kubernetes/kubernetes/pull/24787 refactors the storage related code.
I am still figuring out authz and authn.
cc @jianhuiz
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Provide flags to use etcd3 backed storage
ref: #24405
What's in this PR?
- Add a new flag "storage-backend" to choose "etcd2" or "etcd3". By default (i.e. empty), it's "etcd2".
- Take out etcd config code into a standalone package and let it create etcd2 or etcd3 storage backend given user input.
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Generated clients can return their RESTClients, RESTClient can return its RateLimiter
cc @lavalamp @krousey @wojtek-t @smarterclayton @timothysc
Ref. #22421
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Add kubelet flags for eviction threshold configuration
This PR just adds the flags for kubelet eviction and the associated generated code.
I am happy to tweak text, but we can also do that later at this point in the release.
Since this causes codegen, I wanted to stage this first.
/cc @vishh @kubernetes/sig-node
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Move internal types of job from pkg/apis/extensions to pkg/apis/batch
This addressed the job part of #23216, this is still WIP. Will notify once finished. I'd like to have it in before starting working on ScheduledJob.
@lavalamp @erictune fyi
