Imports github.com/Sirupsen/logrus github.com/gorilla/mux github.com/miekg/dns github.com/rancher/go-rancher-metadata/metadata github.com/skynetservices/skydns/cache gopkg.in/yaml.v2 Standard library imports bufio encoding/json flag fmt io io/ioutil math/rand net net/http os os/signal reflect strconv strings sync syscall time