add README.md

Author: bobliu0909

README.md

@@ -1,2 +1,46 @@
-# cloudtask-initconfig
-cloudtask init serverconfig console app.
+# Cloudtask InitConfig
+
+The cloudtask platform initialize configuration tool.
+
+### Dependencies
+
+- [Zookeeper cluster 3.4.6+](https://zookeeper.apache.org)   
+
+- [Mongodb cluster 3.0.12+](https://www.mongodb.com)  
+  
+
+### Usage
+
+``` bash
+$ ./cloudtask-initconfig -f ./ServerConfig.json
+```
+
+### ServerConfig.json
+
+``` json
+{
+    "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

@@ -5,6 +5,7 @@ import "github.com/samuel/go-zookeeper/zk"
 import (
 	"bytes"
 	"encoding/json"
+	"flag"
 	"fmt"
 	"io/ioutil"
 	"strings"
@@ -19,9 +20,9 @@ type Configuration struct {
 		Root  string `json:"root"`
 	} `json:"zookeeper"`
 	ServerConfig struct {
-		WebsiteHost string                 `json:"websitehost"`
-		CenterHost  string                 `json:"centerhost"`
-		StorageDriver     map[string]interface{} `json:"storagedriver"`
+		WebsiteHost   string                 `json:"websitehost"`
+		CenterHost    string                 `json:"centerhost"`
+		StorageDriver map[string]interface{} `json:"storagedriver"`
 	} `json:"serverconfig"`
 }
 
@@ -71,9 +72,9 @@ func initServerConfigData(conf *Configuration) (string, []byte, error) {
 	return serverConfigPath, data, nil
 }
 
-func readConfiguration() (*Configuration, error) {
+func readConfiguration(configFile string) (*Configuration, error) {
 
-	data, err := ioutil.ReadFile("./ServerConfig.json")
+	data, err := ioutil.ReadFile(configFile)
 	if err != nil {
 		return nil, err
 	}
@@ -88,9 +89,13 @@ func readConfiguration() (*Configuration, error) {
 
 func main() {
 
-	conf, err := readConfiguration()
+	var configFile string
+	flag.StringVar(&configFile, "f", "./ServerConfig.json", "server config file path.")
+	flag.Parse()
+
+	conf, err := readConfiguration(configFile)
 	if err != nil {
-		fmt.Printf("ServerConfig.json invalid, %s", err)
+		fmt.Printf("server config file invalid, %s", err)
 		return
 	}