Imports github.com/go-kit/kit/endpoint github.com/go-kit/kit/sd github.com/go-kit/kit/sd/etcdv3 github.com/go-kit/kit/sd/lb github.com/go-kit/log go.etcd.io/etcd/api/v3/v3rpc/rpctypes go.etcd.io/etcd/client/v3 Standard library imports context encoding/json errors fmt hash/crc32 io log math/rand strconv strings time