Imports github.com/prometheus/client_golang/prometheus gopkg.in/alecthomas/kingpin.v2 github.com/blang/semver github.com/prometheus/client_golang/prometheus/promhttp github.com/prometheus/common/log github.com/prometheus/common/version gopkg.in/yaml.v2 github.com/lib/pq Standard library imports errors fmt io/ioutil math net/http net/url os regexp crypto/sha256 database/sql runtime strconv strings sync time