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scheduler: enable secure port and authn/z #69663

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sttts
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@sttts sttts commented Oct 11, 2018

Completes #67192.

This PR adds a secure port 10259 to the scheduler

  • enabled by default as for the controller manager
  • deprecates the old insecure port
  • adds exhaustive delegated authn/z tests.
Add secure port 10259 to the kube-scheduler (enabled by default) and deprecate old insecure port 10251. Without further flags self-signed certs are created on startup in memory.

Fixes #58983.

@k8s-ci-robot k8s-ci-robot added do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. needs-kind Indicates a PR lacks a `kind/foo` label and requires one. needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. labels Oct 11, 2018
@k8s-ci-robot k8s-ci-robot added area/apiserver sig/api-machinery Categorizes an issue or PR as relevant to SIG API Machinery. sig/apps Categorizes an issue or PR as relevant to SIG Apps. sig/cloud-provider Categorizes an issue or PR as relevant to SIG Cloud Provider. sig/scheduling Categorizes an issue or PR as relevant to SIG Scheduling. sig/testing Categorizes an issue or PR as relevant to SIG Testing. and removed needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. labels Oct 11, 2018
@sttts sttts added the kind/feature Categorizes issue or PR as related to a new feature. label Oct 11, 2018
@k8s-ci-robot k8s-ci-robot removed the needs-kind Indicates a PR lacks a `kind/foo` label and requires one. label Oct 11, 2018
@sttts sttts added this to the v1.13 milestone Oct 11, 2018
@k8s-ci-robot k8s-ci-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. and removed do-not-merge/release-note-label-needed Indicates that a PR should not merge because it's missing one of the release note labels. labels Oct 11, 2018
@sttts sttts force-pushed the sttts-scheduler-secure-serving branch 2 times, most recently from 29b783a to 08cdef5 Compare October 11, 2018 10:23
@k8s-ci-robot k8s-ci-robot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Oct 11, 2018
@sttts sttts force-pushed the sttts-scheduler-secure-serving branch 2 times, most recently from de80b08 to c440032 Compare October 11, 2018 11:45
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sttts commented Oct 11, 2018

/retest

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New changes are detected. LGTM label has been removed.

@sttts sttts added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 8, 2018
@sttts sttts force-pushed the sttts-scheduler-secure-serving branch from de64334 to 1588af4 Compare November 8, 2018 15:44
@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 8, 2018
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New changes are detected. LGTM label has been removed.

@sttts sttts added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Nov 8, 2018
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/approve

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aveshagarwal, liggitt, sttts

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Nov 8, 2018
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/cc @mengqiy

Adding @mengqiy who is the GKE oncall. @mengqiy this PR is failing on pull-kubernetes-e2e-gke presubmits. can you plz help @sttts get the right GLKE CI logs to investigate why. Thanks

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sttts commented Nov 8, 2018

/retest

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sttts commented Nov 8, 2018

Adding @mengqiy who is the GKE oncall. @mengqiy this PR is failing on pull-kubernetes-e2e-gke presubmits. can you plz help @sttts get the right GLKE CI logs to investigate why. Thanks

Note that we moved the commit which breaks GKE into #70800

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k8s-ci-robot commented Nov 8, 2018

@sttts: The following test failed, say /retest to rerun them all:

Test name Commit Details Rerun command
pull-kubernetes-e2e-gke e56fd05f110bd83825d0883bc8736353e5b17cc7 link /test pull-kubernetes-e2e-gke

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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/retest
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@k8s-ci-robot k8s-ci-robot merged commit be800e6 into kubernetes:master Nov 9, 2018
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deprecates the old insecure port

@sttts I want to learn about the motivations behind deprecating the plain http (insecure!?) port. Can you point me to any related discussions about this?

Deprecated: &DeprecatedOptions{
UseLegacyPolicyConfig: false,
PolicyConfigMapNamespace: metav1.NamespaceSystem,
},
}

o.Authentication.RemoteKubeConfigFileOptional = true
o.Authorization.RemoteKubeConfigFileOptional = true
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in addition to tolerating missing kubeconfig, this needed to tolerate forbidden failures in lookupMissingConfigInCluster... nothing granted the scheduler delegated authentication permissions by default

xref #71743

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