fix firewall

firewall/Dockerfile

@@ -2,10 +2,7 @@ FROM golang:latest
 MAINTAINER Jessica Frazelle <jess@docker.com>
 
 RUN go get github.com/Sirupsen/logrus
-RUN go get github.com/coreos/go-etcd/etcd && \
-    cd /go/src/github.com/coreos/go-etcd && \
-    git checkout 6654a8c3055c6154c3f9dfd78c852ada46a2bed0 && \
-    go install github.com/coreos/go-etcd/etcd
+RUN go get github.com/coreos/go-etcd/etcd
 
 ADD ./main.go /src/main.go
 

firewall/main.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"time"
 
 	"github.com/Sirupsen/logrus"
 	"github.com/coreos/go-etcd/etcd"
@@ -148,18 +147,10 @@ func main() {
 		logger.Fatal(err)
 	}
 
-	// run in a loop incase we have network issues connecting to etcd
-	for i := 0; i < 100; i++ {
-		update := make(chan *etcd.Response, 10)
+	update := make(chan *etcd.Response)
 	go processLoop(client, update)
 
 	if _, err := client.Watch("/firewall", 0, true, update, nil); err != nil {
 		logger.Error(err)
 	}
-		close(update)
-
-		time.Sleep(10 * time.Second)
-
-		logger.Infof("restarting process loop %d times", i)
-	}
 }