* Make matchers part of the Policy interface
* Prevent race condition between rules and matchers
* Test also matchers in tests for Policy.Filter
* Compute `filterChanged` in v2 policy correctly
* Fix nil vs. empty list issue in v2 policy test
* policy/v2: always clear ssh map
Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
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Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
Co-authored-by: Aras Ergus <aras.ergus@tngtech.com>
Co-authored-by: Kristoffer Dalby <kristoffer@tailscale.com>