Imports github.com/go-kit/kit/log github.com/go-kit/kit/log/level github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/promhttp github.com/prometheus/common/version gopkg.in/alecthomas/kingpin.v2 gopkg.in/yaml.v2 Standard library imports bufio context crypto/md5 encoding/hex fmt io/ioutil net net/http os os/signal regexp strconv strings syscall time