fix(logger): fix publish loop

logger/bin/boot

@@ -24,8 +24,8 @@ SERVICE_PID=$!
 
 # smart shutdown on SIGINT and SIGTERM
 function on_exit() {
-	kill -TERM $SERVICE_PID
-	wait $SERVICE_PID 2>/dev/null
+    kill -TERM $SERVICE_PID
+    wait $SERVICE_PID 2>/dev/null
 }
 trap on_exit INT TERM
 
@@ -34,24 +34,24 @@ echo deis-logger running...
 # publish the service to etcd using the injected PORT
 if [[ ! -z $PUBLISH ]]; then
 
-	# configure service discovery
-	PORT=${PORT:-514}
-	PROTO=${PROTO:-tcp}
+    # configure service discovery
+    PORT=${PORT:-514}
+    PROTO=${PROTO:-udp}
 
-	set +e
+    set +e
 
-	# wait for the service to become available on PUBLISH port
-	sleep 1 && while [[ -z $(netstat -lnt | awk "\$6 == \"LISTEN\" && \$4 ~ \".$PUBLISH\" && \$1 ~ \"$PROTO.?\"") ]] ; do sleep 1; done
+    # wait for the service to become available on PUBLISH port
+    sleep 1 && while [[ -z $(netstat -lnu | awk "\$4 ~ \".$PUBLISH\" && \$1 ~ \"$PROTO.?\"") ]] ; do sleep 1; done
 
-	# while the port is listening, publish to etcd
-	while [[ ! -z $(netstat -lnt | awk "\$6 == \"LISTEN\" && \$4 ~ \".$PUBLISH\" && \$1 ~ \"$PROTO.?\"") ]] ; do
-		etcdctl --no-sync -C $ETCD set $ETCD_PATH/host $HOST --ttl $ETCD_TTL >/dev/null
-		etcdctl --no-sync -C $ETCD set $ETCD_PATH/port $PORT --ttl $ETCD_TTL >/dev/null
-		sleep $(($ETCD_TTL/2)) # sleep for half the TTL
-	done
+    # while the port is listening, publish to etcd
+    while [[ ! -z $(netstat -lnu | awk "\$4 ~ \".$PUBLISH\" && \$1 ~ \"$PROTO.?\"") ]] ; do
+        etcdctl -C $ETCD set --ttl $ETCD_TTL $ETCD_PATH/host $HOST --no-sync >/dev/null
+        etcdctl -C $ETCD set --ttl $ETCD_TTL $ETCD_PATH/port $PORT --no-sync >/dev/null
+        sleep $(($ETCD_TTL/2)) # sleep for half the TTL
+    done
 
-	# if the loop quits, something went wrong
-	exit 1
+    # if the loop quits, something went wrong
+    exit 1
 
 fi