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Increasing maximum number of ports allowed in EndpointSlice #99795

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merged 1 commit into from
Mar 4, 2021
Merged

Increasing maximum number of ports allowed in EndpointSlice #99795

merged 1 commit into from
Mar 4, 2021
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robscott
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@robscott robscott commented Mar 4, 2021 •
edited by liggitt
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What type of PR is this?

/kind bug
/kind cleanup

What this PR does / why we need it:

Increases maximum number of ports allowed in EndpointSlices from 100 to 20,000.

Which issue(s) this PR fixes:

Helps with #99382

Does this PR introduce a user-facing change?

Fixes a regression in 1.18+ where endpoint slice controller would attempt to create endpoint slices with too many ports; the maximum number of ports allowed in EndpointSlices has been increased from 100 to 20,000

/sig network
/priority important-soon
/triage accepted
/cc @freehan
/assign @thockin

@k8s-ci-robot k8s-ci-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. kind/bug Categorizes issue or PR as related to a bug. labels Mar 4, 2021
@k8s-ci-robot k8s-ci-robot requested a review from freehan March 4, 2021 17:54
@k8s-ci-robot k8s-ci-robot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. kind/cleanup Categorizes issue or PR as related to cleaning up code, process, or technical debt. sig/network Categorizes an issue or PR as relevant to SIG Network. 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. triage/accepted Indicates an issue or PR is ready to be actively worked on. labels Mar 4, 2021
robscott
robscott commented Mar 4, 2021
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pkg/apis/discovery/validation/validation.go Outdated
@@ -40,7 +40,7 @@ var (
)
maxTopologyLabels = 16
maxAddresses = 100
maxPorts = 100
maxPorts = 16000
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Despite the small diff, there is test coverage for this, it just uses this variable.

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https://github.com/kubernetes/kubernetes/blob/master/pkg/apis/discovery/validation/validation_test.go#L269 and https://github.com/kubernetes/kubernetes/blob/master/pkg/apis/discovery/validation/validation_test.go#L168

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thockin commented Mar 4, 2021 via email

@robscott robscott force-pushed the endpointslice-ports-validation branch from e420955 to 8bd6b5d Compare March 4, 2021 18:04
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robscott commented Mar 4, 2021

@thockin makes sense, updated to 20k.

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thockin commented Mar 4, 2021

Is there a followup bug filed to fix the slice controllers to consider ports?

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thockin commented Mar 4, 2021

Thanks!

/lgtm
/approve

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Mar 4, 2021
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[APPROVALNOTIFIER] This PR is APPROVED

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

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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 Mar 4, 2021
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robscott commented Mar 4, 2021

Is there a followup bug filed to fix the slice controllers to consider ports?

@thockin I removed the fixes keyword from this PR and will leave the original issue open since I think it's still applicable, just with a higher number. I'll add some more detail there as far as what additional steps we could take.

@k8s-ci-robot k8s-ci-robot merged commit d11582b into kubernetes:master Mar 4, 2021
@k8s-ci-robot k8s-ci-robot added this to the v1.21 milestone Mar 4, 2021
@aojea aojea mentioned this pull request Mar 4, 2021
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tengqm commented Mar 5, 2021

Pls check if this change should be mentioned in the content/en/docs/concepts/services-networking/endpoint-slices.md on k8s/website.

This was referenced Mar 18, 2021
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k8s-ci-robot added a commit that referenced this pull request Mar 23, 2021
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Merge pull request #100497 from robscott/automated-cherry-pick-of-#99…
91ad058 
…795-release-1.18

Automated cherry pick of #99795: Increasing maximum number of ports allowed in EndpointSlice
k8s-ci-robot added a commit that referenced this pull request Mar 23, 2021
@k8s-ci-robot
Merge pull request #100380 from robscott/automated-cherry-pick-of-#99…
5c928ab 
…795-release-1.20

Automated cherry pick of #99795: Increasing maximum number of ports allowed in EndpointSlice
k8s-ci-robot added a commit that referenced this pull request Mar 23, 2021
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Merge pull request #100381 from robscott/automated-cherry-pick-of-#99…
bfef9b0 
…795-release-1.19

Automated cherry pick of #99795: Increasing maximum number of ports allowed in EndpointSlice
@liggitt liggitt added the kind/regression Categorizes issue or PR as related to a regression from a prior release. label Apr 26, 2022
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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/bug Categorizes issue or PR as related to a bug. kind/cleanup Categorizes issue or PR as related to cleaning up code, process, or technical debt. kind/regression Categorizes issue or PR as related to a regression from a prior release. 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/network Categorizes an issue or PR as relevant to SIG Network. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. triage/accepted Indicates an issue or PR is ready to be actively worked on.
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