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federation: Updating federation-controller-manager to use secret to get federation-apiserver's kubeconfig
Fixing the credentials problem: https://github.com/kubernetes/kubernetes/issues/26762#issuecomment-223690990.
Admin will create a secret with the name "federation-apiserver-secret" in the k8s cluster hosting the federation control plane. This secret will contain the kubeconfig to access federation-apiserver.
federation-controller-manager will use this secret to contact the federation-apiserver.
This flow is same as the one used by all federation-controllers to contact k8s apiservers that are part of the federation.
cc @kubernetes/sig-cluster-federation @lavalamp @erictune @colhom
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federation: Update the list of supported admission controls
Ref https://github.com/kubernetes/kubernetes/pull/26298#issuecomment-221697124
In 1.3, we are going to support only AlwaysAdmit and AlwaysDeny admission controls.
Updating the documentation accordingly.
@kubernetes/sig-cluster-federation
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federation: Adding federation controller manager to federation e2es
Adding federation controller manager to federation e2es.
Havent been able to verify that this works: https://github.com/kubernetes/kubernetes/pull/25125#issuecomment-222860475
Followed the same patter as federation-apiserver and made the changes at same places, so hopefully should work :)
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Add direct serializer
Fix#25589. Implemented a direct codec that doesn't do conversion, but sets the group, version and kind before serialization as Clayton suggested [here](https://github.com/kubernetes/kubernetes/issues/25589#issuecomment-219168009).
First commit is cherry-picked from #24826.
@kubernetes/sig-api-machinery
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Add federation cluster status zone update
Hi Nikhil
Here's the cluster zone update stuff we discussed today.
What's remaining:
1. Rebase against #26308 (as soon as it merges) to expose the zones and region fields of cluster status.
2. Get hold of a cluster client via which to query nodes in the cluster. Currently we only have a DiscoveryClient, which doesn't know how to list nodes.
Any advice on the latter much appreciated. Specifically how do I get a cluster client from a discovery client?
Q
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Make UnsafeConversion fast by inlining copies
Not ready yet (need to add a copy to "safe" conversion and add mutation tests to roundtrip api/serialization_test).
Cuts another 10% off decode and encode.
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federation: replacing string credentials field by secretRef
Fixes https://github.com/kubernetes/kubernetes/issues/25761
Replaced the string Credentials field in ClusterSpec by secretRef as discussed in https://github.com/kubernetes/kubernetes/issues/25761.
Also updated the clusterController to use this new secretRef field while creating a client to talk to a k8s cluster.
cc @lavalamp @kubernetes/sig-cluster-federation
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Renaming federated-apiserver to federation-apiserver
Its not a "federated" apiserver. Its an apiserver for federation.
The corresponding controller manager is also called federation-controller-manager.
If we are going to rename, it should be done in 1.3 before people write scripts referencing the binary name.
