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Runtimeclass scheduling api #80825

Merged
merged 2 commits into from
Aug 13, 2019
Merged

Runtimeclass scheduling api #80825

merged 2 commits into from
Aug 13, 2019

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tallclair
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What type of PR is this?
/kind api-change

What this PR does / why we need it:

This is a roll-forward of #78598, which was reverted since the implementation of the API didn't make the 1.15 cutoff.

Which issue(s) this PR fixes:
For #72413

Special notes for your reviewer:

Changes from the original PR:

  • Merge changes with Overhead API, a few stylistic changes for consistency.
  • Split generated code into a separate commit.
  • Add +listType=map and associated keys, to pass new API verification. listtype & keys should match those on the PodSpec tolerations, but the tags are missing on that field (legacy exception).
  • Add validation for the uniqueness of tolerations, to match the listType.

Does this PR introduce a user-facing change?:

Add scheduling support for RuntimeClasses. RuntimeClasses can now specify nodeSelector constraints & tolerations, which are merged into the PodSpec for pods using that RuntimeClass.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

- [KEP]: https://github.com/kubernetes/enhancements/blob/master/keps/sig-node/runtime-class-scheduling.md

/sig node
/priority important-soon
/milestone v1.16

/assign @yastij @thockin
/cc @egernst

@k8s-ci-robot k8s-ci-robot added the release-note Denotes a PR that will be considered when it comes time to generate release notes. label Jul 31, 2019
@k8s-ci-robot k8s-ci-robot added the kind/api-change Categorizes issue or PR as related to adding, removing, or otherwise changing an API label Jul 31, 2019
@k8s-ci-robot k8s-ci-robot added this to the v1.16 milestone Jul 31, 2019
@k8s-ci-robot k8s-ci-robot added size/L Denotes a PR that changes 100-499 lines, ignoring generated files. sig/node Categorizes an issue or PR as relevant to SIG Node. labels Jul 31, 2019
@k8s-ci-robot k8s-ci-robot added priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. labels Jul 31, 2019
@tallclair tallclair mentioned this pull request Jul 31, 2019
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@tallclair tallclair force-pushed the runtimeclass-scheduling-api branch from a12e9bc to d388a00 Compare July 31, 2019 20:58
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This PR may require API review.

If so, when the changes are ready, complete the pre-review checklist and request an API review.

Status of requested reviews is tracked in the API Review project.

@k8s-ci-robot k8s-ci-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Aug 2, 2019
@draveness draveness mentioned this pull request Aug 6, 2019
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@k8s-ci-robot k8s-ci-robot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Aug 6, 2019
@tallclair
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/retest

egernst
egernst reviewed Aug 6, 2019
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pkg/apis/node/v1alpha1/conversion_test.go
Scheduling: &v1alpha1.Scheduling{
NodeSelector: map[string]string{"extra-soft": "true"},
Tolerations: []corev1.Toleration{{
Key: "stinky",
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nice key.

thockin
thockin reviewed Aug 6, 2019
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@thockin thockin left a comment •
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/approve

API approved, couple of quick questions

pkg/apis/node/v1alpha1/conversion.go Show resolved Hide resolved
staging/src/k8s.io/api/node/v1beta1/types.go Outdated Show resolved Hide resolved
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: tallclair, thockin

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment

@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Aug 6, 2019
@draveness draveness mentioned this pull request Aug 7, 2019
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@thockin thockin added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Aug 7, 2019
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thockin commented Aug 7, 2019

/lgtm
/hold

I'll LGTM - you decide about the patchability and remove the hold, or fix it and ping me.

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Aug 7, 2019
yastij
yastij reviewed Aug 7, 2019
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/lgtm

yastij and others added 2 commits August 9, 2019 11:13
@yastij @tallclair
Introduce topology into the runtimeClass API
009658d 
Co-authored-by: Tim Allclair <tallclair@google.com>
@tallclair
Update generated files
d548798
@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Aug 9, 2019
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New changes are detected. LGTM label has been removed.

@thockin
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thockin commented Aug 9, 2019

Did we make a decision about patchability? The LGTM is yours.

@apelisse
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apelisse commented Aug 9, 2019

AFAIK, there is no patching for multiple keys. The multiple key thing is only for apply. Also (and we need to improve on this), keys should be required, and here they are all optional. Replacing the "short" list of tolerations is fine with a JSONPatch.

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thockin commented Aug 10, 2019

That's what I thought you'd say. Great point about keys needing to not be optional

@draveness
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/retest

@draveness
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Hi @tallclair, is this PR ready for merge or need more discussions?

@tallclair
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This is ready to merge, just waiting on an LGTM from @thockin or @apelisse

@apelisse
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Haven't looked much at the code, but I'm fine with the listType.

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/hold cancel

@k8s-ci-robot k8s-ci-robot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Aug 12, 2019
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self-lgtm per @thockin & @apelisse comments

@tallclair tallclair added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Aug 12, 2019
@k8s-ci-robot k8s-ci-robot merged commit 2f91fcc into kubernetes:master Aug 13, 2019
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Do NodeAffinity plan to gradually took over from NodeSelecter？

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@thockin thockin thockin left review comments

@yastij yastij yastij left review comments

@egernst egernst egernst left review comments

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@thockin thockin

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approved Indicates a PR has been approved by an approver from all required OWNERS files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. kind/api-change Categorizes issue or PR as related to adding, removing, or otherwise changing an API lgtm "Looks good to me", indicates that a PR is ready to be merged. priority/important-soon Must be staffed and worked on either currently, or very soon, ideally in time for the next release. release-note Denotes a PR that will be considered when it comes time to generate release notes. sig/node Categorizes an issue or PR as relevant to SIG Node. size/L Denotes a PR that changes 100-499 lines, ignoring generated files.
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