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