Update coordinator

cmd/coordinator/main.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	"context"
+	"math/rand"
+	"os"
+	"os/signal"
+	"time"
+
+	"github.com/giongto35/cloud-game/pkg/coordinator"
+	"github.com/giongto35/cloud-game/pkg/util/logging"
+	"github.com/golang/glog"
+	"github.com/spf13/pflag"
+)
+
+func main() {
+	rand.Seed(time.Now().UTC().UnixNano())
+
+	cfg := coordinator.NewDefaultConfig()
+	cfg.AddFlags(pflag.CommandLine)
+
+	logging.Init()
+	defer logging.Flush()
+
+	ctx, cancelCtx := context.WithCancel(context.Background())
+
+	glog.Infof("Initializing coordinator server")
+	glog.V(4).Infof("Coordinator configs %v", cfg)
+	o := coordinator.New(ctx, cfg)
+	if err := o.Run(); err != nil {
+		glog.Errorf("Failed to run coordinator server, reason %v", err)
+		os.Exit(1)
+	}
+
+	stop := make(chan os.Signal, 1)
+	signal.Notify(stop, os.Interrupt)
+	select {
+	case <-stop:
+		glog.Infoln("Received SIGTERM, Quiting Coordinator")
+		o.Shutdown()
+		cancelCtx()
+	}
+}