Owen Diehl 5e48b54549 Alerting/metrics (#33547) ... * moves alerting metrics to their own pkg * adds grafana_alerting_alerts (by state) metric * alerts_received_{total,invalid} * embed alertmanager alerting struct in ng metrics & remove duplicated notification metrics (already embed alertmanager notifier metrics) * use silence metrics from alertmanager lib * fix - manager has metrics * updates ngalert tests * comment lint Signed-off-by: Owen Diehl <ow.diehl@gmail.com> * cleaner prom registry code * removes ngalert global metrics * new registry use in all tests * ngalert metrics impl service, hack testinfra code to prevent duplicate metric registrations * nilmetrics unexported		2021-04-30 12:28:06 -04:00
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metrics.go	Alerting/metrics (#33547)	2021-04-30 12:28:06 -04:00