migrated to external IP allocator

cmd/haproxy-lb/main.go

@@ -1,10 +1,12 @@
 package main
 
 import (
+	"errors"
 	"flag"
 	"os"
 	"os/signal"
 	"syscall"
+	"time"
 
 	"git.giftfish.de/ston1th/haproxy-lb/pkg/api"
 	"git.giftfish.de/ston1th/haproxy-lb/pkg/cluster"
@@ -69,17 +71,26 @@ func main() {
 		}
 	}()
 	go func() {
-		sig := make(chan os.Signal)
+		sig := make(chan os.Signal, 1)
 		signal.Notify(sig, syscall.SIGHUP)
 		for {
 			<-sig
 			c.Stepdown()
 		}
 	}()
-	sigs := make(chan os.Signal)
+	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
 	s := <-sigs
 	log.Info("haproxy-lb shutdown", "signal", s.String())
+	go func() {
+		select {
+		case <-time.After(time.Second * 10):
+			log.Error(errors.New("shutdown took longer than 10 seconds"), "shutdown forced")
+		case <-sigs:
+			log.Error(errors.New("force shutdown triggerd"), "shutdown forced")
+		}
+		os.Exit(1)
+	}()
 	c.Stop()
 	log.Info("haproxy-lb stopped")
 }