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Run goimport for the whole repo
While removing GOMAXPROC and running goimports, I noticed quite a lot of other files also needed a goimport format. Didn't commit `*.generated.go`, `*.deepcopy.go` or files in `vendor`
This is more for testing if it builds.
The only strange thing here is the gopkg.in/gcfg.v1 => github.com/scalingdata/gcfg replace.
cc @jfrazelle @thockin
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Federation - common libs - cluster lifecycle handlers in FederatedInformer
Adds cluster lifecycle handlers to FederatedInformer to execute some actions when a cluster becomes available or unavailable.
ref: #29347
cc: @nikhiljindal @wojtek-t @kubernetes/sig-cluster-federation
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federation: Adding secret API
Adding secret API to federation-apiserver and updating the federation client to include secrets
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Federation - common libs - FederatedInformer
Fixes#29383
Will add more tests after the first pass of the review.
ref: #29347
cc: @nikhiljindal @wojtek-t
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Delete useless code
The correct code is `cluster, ok := obj.(*v1beta1.Cluster)`, so the above `cluster := obj.(*v1beta1.Cluster)` is useless.
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[Federation] Downsize the release binary distribution.
There are two things that this PR implements:
1. It removes `federation-apiserver` and `federation-controller-manager` from binaries and docker_wrapped_binaries target lists.
2. Build the docker image for `hyperkube` on-the-fly while pushing the federation images.
```release-note
Federation binaries and their corresponding docker images - `federation-apiserver` and `federation-controller-manager` are now folded in to the `hyperkube` binary. If you were using one of these binaries or docker images, please switch to using the `hyperkube` version. Please refer to the federation manifests - `federation/manifests/federation-apiserver.yaml` and `federation/manifests/federation-controller-manager-deployment.yaml` for examples.
```
cc @kubernetes/sig-cluster-federation @colhom
Fixes Issue #28633
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make the resource prefix in etcd configurable for cohabitation
This looks big, its not as bad as it seems.
When you have different resources cohabiting, the resource name used for the etcd directory needs to be configurable. HPA in two different groups worked fine before. Now we're looking at something like RC<->RS. They normally store into two different etcd directories. This code allows them to be configured to store into the same location.
To maintain consistency across all resources, I allowed the `StorageFactory` to indicate which `ResourcePrefix` should be used inside `RESTOptions` which already contains storage information.
@lavalamp affects cohabitation.
@smarterclayton @mfojtik prereq for our rc<->rs and d<->dc story.
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Replica location planner for Federated ReplicaSet Controller
Requires #29385 to be merged.
cc: @quinton-hoole @wojtek-t
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Expose Changesets (transactions) in dns provider
This makes the dnsprovider usable in more scenarios, and it also solves
some TODOs in the federation code.
WIP - I'm going to test this to make sure this both works and is sufficient for use in my dns controller, but I wanted to put some code behind the talk in #28477. cc @quinton-hoole
Issue #28477
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API types for FederatedReplicaSetPreferences
Currently only internal types just to unblock the work on scheduling part of Federated Replica Set Controller.
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Allow shareable resources for admission control plugins.
Changes allow admission control plugins to share resources. This is done via new PluginInitialization structure. The structure can be extended for other resources, for now it is an shared informer for namespace plugins (NamespiceLifecycle, NamespaceAutoProvisioning, NamespaceExists).
If a plugins needs some kind of shared resource e.g. client, the client shall be added to PluginInitializer and Wants methods implemented to every plugin which will use it.
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Delaying deliverer for Federated ReplicaSet
A helper struct to push data to a channel after a given delay. It runs on a single gouroutine and allows updates. An update cancels previous delivery if it was about to happen later than the new one. Otherwise the new update is discarded.
All data require a string key that is used to identify the data (for updates and de-duplication).
cc: @quinton-hoole @wojtek-t
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Federation: Use equivalent() instead of == to compare DNS ResourceRecordSets. Fixes#28135
Without this we sometimes incorrectly assume that DNS records hosted on cloud DNS servers need to be replaced when they don't need to be. This results in unnecessary churn on DNS records.
cc: @nikhiljindal @madhusudancs @mfanjie FYI
