Exclude eventv1.MetaTokenKey from event metadata #686
Merged
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eventv1.MetaTokenKey
is required to be considered in rate limiting but it is only for internal use by flux components and should not be sent to alert providers. Removeeventv1.MetaTokenKey
from the metadata of event before processing it for matching alerts.Fixes #650
NOTE: Initially, I added it in
cleanupMetadata()
and found out during manual testing that it removes the metadata too early which excludes it from rate limiter. Also tried adding it inenhanceEventWithAlertMetadata()
but realized that this is too late. The same metadata will be removed for every single alert the event matches with. Removing the internal metadata right at the beginning of the event handler seems to be most appropriate.