Fix kcp casing once and for all #3665

xrstf · 2025-10-20T15:16:47Z

Summary

It irks me that it's sometimes kcp, sometimes KCP and in extreme cases even Kcp. For no technical reason other than consistency, I vote that we enshrine the correct spelling (all lowercase) in the FAQ and adjust all files accordingly.

This PR also fixes the rebasing docs a bit and adds a note that they are probably severely outdated since we moved to monorepo. The sample screenshot of GitHub is now included as well and shrunk by optipng by nearly 50% :)

I did not touch the boilerplate header as I am not sure about the CNCF rammifications, but I would personally of course also change them. If we can.

What Type of PR Is This?

/kind cleanup

Release Notes

NONE

kcp-ci-bot · 2025-10-20T15:25:23Z

LGTM label has been added.

Git tree hash: d9923af3dfee347737df83329aef52217b7d40d5

kcp-ci-bot · 2025-10-20T15:26:19Z

New changes are detected. LGTM label has been removed.

xrstf · 2025-10-20T17:27:03Z

/retest

embik · 2025-10-21T06:54:43Z

FAQ.md


+## What does kcp stand for / how to spell it?
+
+`kcp` stands for "Kube for Control Plane" and should always be written in lowercase letters.


Afaik our official position is that it doesn't stand for anything.

I thought so too, but then I found https://github.com/kcp-dev/kcp/blob/main/cmd/kcp/kcp.go#L51.

I also remember someone telling me that kcp effectively stands for nothing and CERTAINLY NOT "Kubernetes control plane", but since then I heard many folks use the "kube for control plane" mantra.

No real opinion on my side.

I would vote for kcp - Kubernetes-like Control Planes. This was clicked in my head for a long time.
I leave the final vote for @sttts :)

+1 for @mjudeikis's proposal.

"kcp - Kcp Control Plane" 😬

"K-ControlPlane"

I can agree with MJ's earlier proposal ("kcp - Kubernetes-like Control Planes") if CNCF allows it.

Can we check with cncf?

I checked with CNCF folks and the inofficial statement through the grapevines was:

[this decision] should not need CNCF approval

[kcp devs] must just make sure to follow kcp governance

mjudeikis

just close the one pending and merge

mjudeikis · 2025-10-24T06:53:18Z

cli/cmd/kubectl-kcp/cmd/kubectlKcp.go

+		Short: "kubectl plugin for kcp",
 		Long: help.Doc(`
-			KCP is the easiest way to manage Kubernetes applications against one or
+			kcp is the easiest way to manage Kubernetes applications against one or


can we remove this Kubernetes applications against. Applications are confusing.

ALl thi section is somehow wrong.

I replaced it with the current short intro we have in our Readme/docs.

mjudeikis · 2025-10-24T06:55:30Z

FAQ.md


+## What does kcp stand for / how to spell it?
+
+`kcp` stands for "Kube for Control Plane" and should always be written in lowercase letters.


I would vote for kcp - Kubernetes-like Control Planes. This was clicked in my head for a long time.
I leave the final vote for @sttts :)

On-behalf-of: @SAP [email protected]

kcp-ci-bot · 2025-11-04T14:47:02Z

[APPROVALNOTIFIER] This PR is NOT APPROVED

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kcp-ci-bot · 2025-11-04T15:26:12Z

@xrstf: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kcp-build-image	`47233a3`	link	true	`/test pull-kcp-build-image`
pull-kcp-test-unit	`47233a3`	link	true	`/test pull-kcp-test-unit`
pull-kcp-lint	`47233a3`	link	true	`/test pull-kcp-lint`
pull-kcp-test-e2e-shared	`47233a3`	link	true	`/test pull-kcp-test-e2e-shared`
pull-kcp-test-e2e-sharded	`47233a3`	link	true	`/test pull-kcp-test-e2e-sharded`

Full PR test history

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. I understand the commands that are listed here.

kcp-ci-bot · 2025-11-05T06:42:29Z

PR needs rebase.

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olamilekan000 approved these changes Oct 20, 2025

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kcp-ci-bot assigned olamilekan000 Oct 20, 2025

kcp-ci-bot added the lgtm Indicates that a PR is ready to be merged. label Oct 20, 2025

kcp-ci-bot removed the lgtm Indicates that a PR is ready to be merged. label Oct 20, 2025

kcp-ci-bot requested a review from olamilekan000 October 20, 2025 15:26

embik requested changes Oct 21, 2025

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kcp-ci-bot assigned embik Oct 21, 2025

mjudeikis reviewed Oct 24, 2025

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xrstf force-pushed the lowercase-kcp branch from d7d06c8 to c948238 Compare October 27, 2025 15:36

kcp-ci-bot added size/XL Denotes a PR that changes 500-999 lines, ignoring generated files. needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. and removed size/L Denotes a PR that changes 100-499 lines, ignoring generated files. labels Oct 27, 2025

xrstf force-pushed the lowercase-kcp branch from c948238 to 81ed0a7 Compare October 28, 2025 14:01

kcp-ci-bot added needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. and removed needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. labels Oct 28, 2025

xrstf added 5 commits November 4, 2025 15:46

sed s/KCP/kcp/g in the docs

e0a94a4

On-behalf-of: @SAP [email protected]

consistently lowercase 'kcp' everywhere

7d6d919

On-behalf-of: @SAP [email protected]

codegen

c7b2cc5

On-behalf-of: @SAP [email protected]

fix more uppercased kcp's

d33c1e1

On-behalf-of: @SAP [email protected]

update kcp CLI help text

47233a3

On-behalf-of: @SAP [email protected]

xrstf force-pushed the lowercase-kcp branch from 81ed0a7 to 47233a3 Compare November 4, 2025 14:46

kcp-ci-bot removed the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Nov 4, 2025

kcp-ci-bot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Nov 5, 2025


		## What does kcp stand for / how to spell it?

		`kcp` stands for "Kube for Control Plane" and should always be written in lowercase letters.

Fix kcp casing once and for all #3665

Are you sure you want to change the base?

Fix kcp casing once and for all #3665

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xrstf commented Oct 20, 2025

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kcp-ci-bot commented Nov 4, 2025

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