✨ WIP: add network policy blocking cross-tenant pod traffic

[lionelvillard]

Summary

Create a network policy per namespace to prevent traffic between pods belonging to different tenant.

See https://github.com/kcp-dev/kcp/blob/3a5f114b6de2a033dcafe8d7d282d456ce5a70ea/pkg/syncer/spec/networkpolicy_tenant.yaml for more details.

Related issue(s)

Fixes kcp-dev/contrib-tmc#113

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[davidfestal]

@lionelvillard Should I wait for e2e tests to be fixed before reviewing ?

[lionelvillard]

@davidfestal If you want you can start looking at the network policy template while I'm fixing the e2e tests.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[openshift-ci]

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

Test name	Commit	Details	Required	Rerun command
ci/prow/test	7df374c	link	true	/test test

Full PR test history. Your PR dashboard.

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[openshift-merge-robot]

PR needs rebase.

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[kcp-ci-bot]

Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[mjudeikis]

/close
TMC

[kcp-ci-bot]

@mjudeikis: Closed this PR.

In response to this:

/close
TMC

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