Allow disabling cross-namespace event sources #319
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Introduce the flag `--no-cross-namespace-refs` (defaults to false) for allowing cluster admins to disable cross-namespace event sources for alerts. Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>
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On multi-tenant clusters, platform admins can disable cross-namespace event sources with the
--no-cross-namespace-refs=trueflag. When this flag is set, alerts can only refer to event sources in the same namespace as the alert object, preventing tenants from subscribing to anther tenant's events.When the controller drops an event due to
--no-cross-namespace-refs=trueit logs:Part of: fluxcd/flux2#2337