Add initial prototype (#1)

* Add survey library to select server

* Add speedtest

* Add --random flag to connect

* Add list command

* Cache server list

* Tail the openvpn logs so that it appears in vpngate logs

* Add goreleaser action

* Add golangci-lint action

pkg/network/speedtest.go

@@ -0,0 +1,52 @@
+package network
+
+import (
+	"github.com/juju/errors"
+	"github.com/rs/zerolog/log"
+	"github.com/showwin/speedtest-go/speedtest"
+)
+
+// TestSpeed tests the speed of an active network connection
+func TestSpeed() error {
+	user, err := speedtest.FetchUserInfo()
+
+	if err != nil {
+		return errors.Annotate(err, "Unable to fetch user info")
+	}
+
+	serverList, err := speedtest.FetchServerList(user)
+
+	if err != nil {
+		return errors.Annotate(err, "Unable to fetch server list")
+	}
+
+	targets, _ := serverList.FindServer([]int{})
+
+	if err != nil {
+		return errors.Annotate(err, "Unable to find server")
+	}
+
+	for _, s := range targets {
+		err := s.PingTest()
+
+		if err != nil {
+			log.Error().Msg("Failed to obtain ping")
+		}
+
+		err = s.DownloadTest(true)
+
+		if err != nil {
+			log.Error().Msg("Failed download test")
+		}
+
+		err = s.UploadTest(true)
+
+		if err != nil {
+			log.Error().Msg("Failed upload test")
+		}
+
+		log.Info().Msgf("Latency: %s, Download: %f, Upload: %f", s.Latency, s.DLSpeed, s.ULSpeed)
+	}
+
+	return nil
+}