fix(router): use string instead of JSON

This format can be consumed without structured data handling. For
example, bash has no builtin commands which handle JSON data structures.

Author: Matthew Fisher

router/bin/boot

@@ -85,7 +85,7 @@ if [[ ! -z $EXTERNAL_PORT ]]; then
 
   # while the port is listening, publish to etcd
   while [[ ! -z $(netstat -lnt | awk "\$6 == \"LISTEN\" && \$4 ~ \".$PORT\" && \$1 ~ \"$PROTO.?\"") ]] ; do
-    etcdctl --no-sync -C $ETCD set $HOST_ETCD_PATH "{'host': '$HOST', 'port': $EXTERNAL_PORT}" --ttl $ETCD_TTL >/dev/null
+    etcdctl --no-sync -C $ETCD set $HOST_ETCD_PATH "$HOST:$EXTERNAL_PORT" --ttl $ETCD_TTL >/dev/null
     sleep $(($ETCD_TTL/2)) # sleep for half the TTL
   done
 

router/tests/router_test.go

@@ -62,7 +62,7 @@ func TestRouter(t *testing.T) {
 	etcdutils.VerifyEtcdValue(t, "/deis/router/gzip", "on", etcdPort)
 	etcdutils.VerifyEtcdValue(t,
 		"/deis/router/hosts/"+host,
-		fmt.Printf("{'host': '%s', 'port': %d}", host, port),
+		fmt.Sprintf("%s:%s", host, port),
 		etcdPort)
 	_ = cli.CmdRm("-f", name)
 }