[PR #6526] [management] When collecting group and peer IDs from policies, do so directionally #26021

New Issue

saavagebueno · 2026-08-05T07:06:47-04:00

saavagebueno commented

2026-08-05 07:06:47 -04:00

Original Pull Request: https://github.com/netbirdio/netbird/pull/6526

State: open
Merged: No

Describe your changes

In affected peer calculation, when walking policies of groups and peers, only use opposite sides of those policies; i.e. if a policy rule sources include the group, use the rule's destinations, and vice-versa. Similarly, if a rule's SourceResource matches a peer from the change set, use rule's DesstinationResource and vice-versa.

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Is it a bug fix
Is a typo/documentation fix
Is a feature enhancement
It is a refactor
Created tests that fail without the change (if possible)
This change does not modify the public API, gRPC protocols, functionality behavior, CLI / service flags, or introduce a new feature — OR I have discussed it with the NetBird team beforehand (link the issue / Slack thread in the description). See CONTRIBUTING.md.

By submitting this pull request, you confirm that you have read and agree to the terms of the Contributor License Agreement.

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Summary by CodeRabbit

Refactor
- Improved how policy changes are analyzed to determine the affected peer and group impact, using directionally-derived extraction from policy rules for more accurate and deterministic results.
Tests
- Reworked resolver unit tests to validate precise affected peer/group sets derived from policy source/destination direction rules, including expanded coverage for mixed resource types and allowlist edge cases.
- Updated affected-peers coverage-matrix expectations and tightened assertions to compare exact included/excluded sets.

**Original Pull Request:** https://github.com/netbirdio/netbird/pull/6526 **State:** open **Merged:** No --- ## Describe your changes In affected peer calculation, when walking policies of groups and peers, only use opposite sides of those policies; i.e. if a policy rule sources include the group, use the rule's destinations, and vice-versa. Similarly, if a rule's SourceResource matches a peer from the change set, use rule's DesstinationResource and vice-versa. ## Issue ticket number and link ## Stack  ### Checklist - [ ] Is it a bug fix - [ ] Is a typo/documentation fix - [x] Is a feature enhancement - [ ] It is a refactor - [ ] Created tests that fail without the change (if possible) - [x] This change does **not** modify the public API, gRPC protocols, functionality behavior, CLI / service flags, or introduce a new feature — **OR** I have discussed it with the NetBird team beforehand (link the issue / Slack thread in the description). See [CONTRIBUTING.md](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTING.md#discuss-changes-with-the-netbird-team-first). > By submitting this pull request, you confirm that you have read and agree to the terms of the [Contributor License Agreement](https://github.com/netbirdio/netbird/blob/main/CONTRIBUTOR_LICENSE_AGREEMENT.md). ## Documentation Select exactly one: - [ ] I added/updated documentation for this change - [x] Documentation is **not needed** for this change (explain why) ### Docs PR URL (required if "docs added" is checked) Paste the PR link from https://github.com/netbirdio/docs here: https://github.com/netbirdio/docs/pull/__  ## Summary by CodeRabbit * **Refactor** * Improved how policy changes are analyzed to determine the affected peer and group impact, using directionally-derived extraction from policy rules for more accurate and deterministic results. * **Tests** * Reworked resolver unit tests to validate precise affected peer/group sets derived from policy source/destination direction rules, including expanded coverage for mixed resource types and allowlist edge cases. * Updated affected-peers coverage-matrix expectations and tightened assertions to compare exact included/excluded sets.

saavagebueno added the pull-request label 2026-08-05 07:06:47 -04:00

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Reference: DYNR/netbird#26021