Add Namespace Patching to RBAC good practice

[smarticu5]

Updating the RBAC Good Practices guide to include information on Patch operations against Namespaces being a security risk.

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: smarticu5 / name: Iain Smart (3f990cd, 1ed331c)
• ✅ login: sftim / name: Tim Bannister (54e1d33)

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[sftim]

My take. The style nits are important so that people can tell the concept of “services” apart from the Service API.

[sftim]

/hold

OK to unhold once the reviews I mentioned in #45664 (comment) are done.

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: c8386ba97cfe7a871077148b265ef7fbb76a0741

[sftim]

/hold cancel
Thanks @IanColdwater

[sftim]

I'm going to use my maintainer access to fix just the style nits - see https://github.com/kubernetes/website/pull/45664/files#r1539294992

[sftim]

/lgtm
/approve

Drawing on #45664 (comment) (LGTM from review by @IanColdwater)

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 2e66500573af4e80428a6ad9e6f88b90babb5904

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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[tabbysable]

Thanks so much, @smarticu5, for the research here and the followup to call attention to this surprising behavior.

/lgtm

/honk

[k8s-ci-robot]

@tabbysable:

In response to this:

Thanks so much, @smarticu5, for the research here and the followup to call attention to this surprising behavior.

/lgtm

/honk

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[smarticu5]

Appreciate this is closed now, thanks all. I've added a PoC using a minimal role and rolebinding to my own repo (https://github.com/smarticu5/kubernetes_manifests/tree/main/pocs/namespace-labelling) for future reference.