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Use longer (and thus more descriptive) nftables chain names #9528

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caseydavenport
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@caseydavenport caseydavenport commented Nov 25, 2024

Description

nftables supports longer chain names than iptables. This means we don't need to
truncate / hash chain names as much in nftables mode.

Until now, we've been enforcing the same character length of 28. This PR bumps it up
to 256 - which should result in much more human readable chain names.

Chain names now look something like this:

chain filter-cali-po-default/namespace/tier.policy-name {

Related issues/PRs

Todos

  • Tests
  • Documentation
  • Release note

Release Note

In nftables dataplane, use human readable policy chain names where possible. 

Reminder for the reviewer

Make sure that this PR has the correct labels and milestone set.

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@caseydavenport caseydavenport requested a review from a team as a code owner November 25, 2024 22:35
@marvin-tigera marvin-tigera added this to the Calico v3.30.0 milestone Nov 25, 2024
@marvin-tigera marvin-tigera added release-note-required Change has user-facing impact (no matter how small) docs-pr-required Change is not yet documented labels Nov 25, 2024
@caseydavenport caseydavenport added docs-not-required Docs not required for this change release-note-not-required Change has no user-facing impact labels Nov 25, 2024
@marvin-tigera marvin-tigera removed release-note-required Change has user-facing impact (no matter how small) docs-pr-required Change is not yet documented labels Nov 25, 2024
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LGTM

@caseydavenport caseydavenport added release-note-required Change has user-facing impact (no matter how small) and removed release-note-not-required Change has no user-facing impact labels Nov 27, 2024
@caseydavenport caseydavenport merged commit b254289 into projectcalico:master Nov 27, 2024
4 of 6 checks passed
@caseydavenport caseydavenport deleted the casey-longer-chain-names branch November 27, 2024 19:05
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3 participants