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Enable updates in federated ingress controller tests
And make channel in test helper non-blocking.
cc: @nikhiljindal @madhusudancs
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Fix package aliases to follow golang convention
Some package aliases are not not align with golang convention https://blog.golang.org/package-names. This PR fixes them. Also adds a verify script and presubmit checks.
Fixes#35070.
cc/ @timstclair @Random-Liu
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Fix infinte loop in federated ingress controller
Previously ingress controller was constantly scheduling reconcilation, even if no updates were needed. That behavior creates a big mess in the logs and consumes resources.
This pr also fixes the stop function for federated ingress controller.
cc: @nikhiljindal @madhusudancs
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Revision handling in federated deployment controller
Deployment controller in regular kubernetes automatically adds an annotation in deployment. This causes a bit of confusion in controller and tests. This PR skips revision annotation in checks. In the next K8S release we will need to have better support for deployment revisions.
Helps with #36588
cc: @nikhiljindal @madhusudancs
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Stop deleting underlying services when federation service is deleted
Fixes https://github.com/kubernetes/kubernetes/issues/36799
Fixing federation service controller to not delete services from underlying clusters when federated service is deleted.
None of the federation controller should do this unless explicitly asked by the user using DeleteOptions. This is the only federation controller that does that.
cc @kubernetes/sig-cluster-federation @madhusudancs
```release-note
federation service controller: stop deleting services from underlying clusters when federated service is deleted.
```
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Fixing the logic to select first cluster in federated ingress controller
Ref https://github.com/kubernetes/kubernetes/issues/36074.
Before this change, ingress controller was using cluster with clusterIndex = 0 as the first cluster to create the ingress in.
But the ordering of clusters can change and hence ingress controller ended up creating the ingress in multiple clusters.
This PR fixes it by using an annotation on federated ingress. Controller now picks up a cluster randomly as the first cluster and creates ingress there. This clusters name is stored as an annotation on the federated ingress. Contoller does not create an ingress in any other cluster if this annotation is set on the federated ingress and IP has not been propagated. Once IP has been propagated, controller creates the ingress in all clusters.
cc @kubernetes/sig-cluster-federation @madhusudancs
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populate ready replicas and aviable replicas to federated replicaset …
populate ready replicas and aviable replicas to federated replicaset status
@nikhiljindal #33312#29481#32771
@deepak-vij
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Fixing the ingress annotation key in federated ingress controller
Fixing a few issues found during debugging https://github.com/kubernetes/kubernetes/issues/36074.
cc @kubernetes/sig-cluster-federation @madhusudancs @bprashanth
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Make desired objects in fed controller reconcilation function fully writable
When creating desired objects for sub-cluster in reconciliate functions we don't make full copies. This may result in unexpected race condition in the future when someone actually adds some object modifications (not needed in most cases but anyway - the cost of extra copy will be relatively small comparing to inter-cluster traffic). In case of ReplicaSet and Deployment the spec copy was a shallow one - ok for setting just replicas but also error-prone in the future.
cc: @quinton-hoole @nikhiljindal @madhusudancs
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Federation test util fix - 1
* Make nil and empty map equivalent when testing ObjectMeta equivalence
* Add a function that waits for a particular content inside federated store
cc: @nikhiljindal @madhusudancs
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Ensure proper serialization of updates and creates in federation test watcher
Fix for finalizer test problems. The issue there was that the updates were coming out of order. It was caused by firing updates in new goroutines in test watcher. The proper solution is to order them in a queue and fire in order on a single goroutine.
Ref: https://github.com/kubernetes/kubernetes/issues/36473#issuecomment-259605870
cc: @nikhiljindal @madhusudancs
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Adding cascading deletion support to federation replicaset and deployments
Forked from https://github.com/kubernetes/kubernetes/pull/36330
Ref #33612
Adding cascading deletion support for federated replicasets and deployments.
```release-note
federation: Adding support for DeleteOptions.OrphanDependents for federated replicasets and deployments. Setting it to false while deleting a federated replicaset or deployment also deletes the corresponding resource from all registered clusters.
```
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Adding cadcading deletion support for federated secrets
Ref https://github.com/kubernetes/kubernetes/issues/33612
Adding cascading deletion support for federated secrets.
The code is same as that for namespaces. Just ensuring that DeletionHelper functions are called at right places in secret_controller.
Also added e2e tests.
cc @kubernetes/sig-cluster-federation @caesarxuchao
```release-note
federation: Adding support for DeleteOptions.OrphanDependents for federated secrets. Setting it to false while deleting a federated secret also deletes the corresponding secrets from all registered clusters.
```
If we have a public & private zone with the same name (which is common
on AWS), this means we can still create records. Also tighten up some
of the logic to allow for zones with duplicate names.
