Imports github.com/VictoriaMetrics/VictoriaMetrics/lib/logger github.com/VictoriaMetrics/VictoriaMetrics/lib/promauth github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils Standard library imports bytes encoding/json flag fmt io net/http net/url sync time