fix code, init create root path.

Author: bobliu0909

ServerConfig.json

@@ -1,25 +1,25 @@
 {
-	"zookeeper": {
-		"hosts": "192.168.2.80:2181,192.168.2.81:2181,192.168.2.82:2181",
-  		"root": "/cloudtask"
-	},
-	"serverconfig":{
-		"websitehost": "192.168.2.80:8901",
-		"centerhost": "192.168.2.80:8985",
-		"storage": {
-			"mongo": {
-		    	"hosts": "192.168.2.80:27017,192.168.2.81:27017,192.168.2.82:27017",
-		    	"database": "cloudtask",
-		    	"auth": {
-			    	"user": "datastoreAdmin",
-			    	"password": "ds4dev"
-		    	},
-		    	"options": [
-			    	"maxPoolSize=20",
-			    	"replicaSet=mgoCluster",
-			    	"authSource=admin"
-		    	]
-        	}
-		}
-	}
-}
+    "zookeeper": {
+        "hosts": "192.168.2.80:2181,192.168.2.81:2181,192.168.2.82:2181",
+        "root": "/cloudtask"
+    },
+    "serverconfig": {
+        "websitehost": "192.168.2.80:8091",
+        "centerhost": "192.168.2.80:8985",
+        "storagedriver": {
+            "mongo": {
+                "hosts": "192.168.2.80:27017,192.168.2.81:27017,192.168.2.82:27017",
+                "database": "cloudtask",
+                "auth": {
+                    "user": "datastoreAdmin",
+                    "password": "ds4dev"
+                },
+                "options": [
+                    "maxPoolSize=20",
+                    "replicaSet=mgoCluster",
+                    "authSource=admin"
+                ]
+            }
+        }
+    }
+}

main.go

@@ -21,7 +21,7 @@ type Configuration struct {
 	ServerConfig struct {
 		WebsiteHost string                 `json:"websitehost"`
 		CenterHost  string                 `json:"centerhost"`
-		Storage     map[string]interface{} `json:"storage"`
+		StorageDriver     map[string]interface{} `json:"storagedriver"`
 	} `json:"serverconfig"`
 }
 
@@ -39,8 +39,14 @@ func initServerConfigData(conf *Configuration) (string, []byte, error) {
 		return "", nil, err
 	}
 
-	<-event
 	defer conn.Close()
+	<-event
+	if ret, _, _ := conn.Exists(conf.Zookeeper.Root); !ret {
+		if _, err := conn.Create(conf.Zookeeper.Root, []byte{}, zkFlags, zkACL); err != nil {
+			return "", nil, fmt.Errorf("zookeeper root: %s failure", conf.Zookeeper.Root)
+		}
+	}
+
 	serverConfigPath := conf.Zookeeper.Root + "/ServerConfig"
 	ret, _, err := conn.Exists(serverConfigPath)
 	if err != nil {
@@ -84,7 +90,7 @@ func main() {
 
 	conf, err := readConfiguration()
 	if err != nil {
-		fmt.Errorf("ServerConfig.json invalid, %s", err)
+		fmt.Printf("ServerConfig.json invalid, %s", err)
 		return
 	}
 
@@ -98,10 +104,10 @@ func main() {
 
 	path, data, err := initServerConfigData(conf)
 	if err != nil {
-		fmt.Errorf("init server config failure, %s", err)
+		fmt.Printf("init server config failure, %s", err)
 		return
 	}
 	fmt.Printf("zookeeper path: %s\n", path)
-	fmt.Printf("data: %s\n", string(data))
-	fmt.Printf("init to zookeeper successed!\n")
+	fmt.Printf("serverconfig: %s\n", string(data))
+	fmt.Printf("initconfig to zookeeper successed!\n")
 }