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federation: Adding support for namespace admission controls in federation-apiserver #31139

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merged 2 commits into from
Aug 23, 2016
Merged

federation: Adding support for namespace admission controls in federation-apiserver #31139

merged 2 commits into from
Aug 23, 2016

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nikhiljindal
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@nikhiljindal nikhiljindal commented Aug 22, 2016 •
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Now that we have namespaces in federation apiserver, we can support namespace admission controls.

There are 3 of these:
namespace/autoprovision, namespace/exists and namespace/lifecycle.
namespace/autoprovision, namespace/exists should be deprecated in kubernetes(#31195). Adding support for namespace/lifecycle to federation-apiserver.
As in kube-apiserver, enabling namespace/lifecycle by default.

Action required: If you have a running federation control plane, you will have to ensure that for all federation resources, the corresponding namespace exists in federation control plane.

federation-apiserver now supports NamespaceLifecycle admission control, which is enabled by default. Set the --admission-control flag on the server to change that.

cc @kubernetes/sig-cluster-federation @quinton-hoole

This change is Reviewable

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Am working on fixing the federation e2es.

@nikhiljindal nikhiljindal added area/cluster-federation release-note-action-required Denotes a PR that introduces potentially breaking changes that require user action. labels Aug 22, 2016
@nikhiljindal nikhiljindal added this to the v1.4 milestone Aug 22, 2016
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cc @derekwaynecarr

@nikhiljindal nikhiljindal mentioned this pull request Aug 22, 2016
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@k8s-github-robot k8s-github-robot added the size/L Denotes a PR that changes 100-499 lines, ignoring generated files. label Aug 22, 2016
@ghost ghost added the priority/backlog Higher priority than priority/awaiting-more-evidence. label Aug 22, 2016
@ghost ghost assigned ghost and derekwaynecarr and unassigned spxtr Aug 22, 2016
@nikhiljindal nikhiljindal force-pushed the namespaceAdmissionControl branch 4 times, most recently from c773f64 to 7cd8664 Compare August 22, 2016 21:43
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This is now ready for review. Have fixed all federation e2es and have added a test to ensure that a request to create a namespaced resource fails if the namespace does not exist.

I have a TODO to clean up the federation namespace after each test, which I will send another PR for (need to fix #31077 before that).

ptal.

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I think you can only add NamespaceLifecycle. The others should be marked
deprecated.

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nikhiljindal commented Aug 23, 2016 •
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Removed the other 2 namespace admission controls and filed #31195 to keep track to deprecate it in kube-apiserver.

Updated the PR description and release-notes

@ghost ghost added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed release-note-action-required Denotes a PR that introduces potentially breaking changes that require user action. labels Aug 23, 2016
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federation/cluster/common.sh
@@ -94,7 +94,7 @@ function create-federation-api-objects {
export FEDERATION_API_NODEPORT=32111
export FEDERATION_NAMESPACE
export FEDERATION_NAME="${FEDERATION_NAME:-federation}"
export DNS_ZONE_NAME="${DNS_ZONE_NAME:-federation.example}" # See https://tools.ietf.org/html/rfc2606
export DNS_ZONE_NAME="${DNS_ZONE_NAME:-federation.example.}" # See https://tools.ietf.org/html/rfc2606
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Doesn't seem to belong in this PR?

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k8s-bot commented Aug 23, 2016

GCE e2e build/test passed for commit db7af6c.

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test/e2e/federation-apiserver.go
@@ -84,8 +84,44 @@ var _ = framework.KubeDescribe("Federation apiserver [Feature:Federation]", func
framework.Logf("Verified that zero clusters remain")
})
})
Describe("Admission control", func() {
AfterEach(func() {
framework.SkipUnlessFederated(f.Client)
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Surely this belongs in BeforeEach(), not AfterEach()?

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ghost commented Aug 23, 2016

Thanks @nikhiljindal. Comments can be addressed in a followup PR. LGTM.

@ghost ghost added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Aug 23, 2016
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@k8s-bot test this [submit-queue is verifying that this PR is safe to merge]

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k8s-bot commented Aug 23, 2016

GCE e2e build/test passed for commit db7af6c.

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Automatic merge from submit-queue

@k8s-github-robot k8s-github-robot merged commit 13305ef into kubernetes:master Aug 23, 2016
@nikhiljindal nikhiljindal added release-note-action-required Denotes a PR that introduces potentially breaking changes that require user action. and removed release-note Denotes a PR that will be considered when it comes time to generate release notes. labels Aug 25, 2016
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ghost commented Aug 29, 2016

@nikhiljindal One of these tests is ~perma-failing since 8/23. Could you please take a look?

https://k8s-testgrid.appspot.com/google-gce#gce-federation

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nikhiljindal commented Aug 29, 2016 •
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Sure. Am on it: #31624

@nikhiljindal nikhiljindal mentioned this pull request Sep 6, 2016
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