Fix race in helpers/prometheus/log_hook.go: Fire() method
What does this MR do?
Fixes races that can occur with concurrent calls to Fire() in helpers/prometheus/log_hook.go.
Why was this MR needed?
https://gitlab.com/gitlab-com/infrastructure/issues/1079#note_22260206
Are there points in the code the reviewer needs to double check?
Does this MR meet the acceptance criteria?
-
Documentation created/updated - Tests
-
Added for this feature/bug -
All builds are passing
-
-
Branch has no merge conflicts with master(if you do - rebase it please)