Add log util for msb to istio agent

Issue-ID: MSB-213

Change-Id: I3ed127a72415fe69402775603610a5788c7087ed
Signed-off-by: Lvbo163 <lv.bo163@zte.com.cn>

3 files changed, 195 insertions, 1 deletions

diff --git a/msb2pilot2/conf/log.yml b/msb2pilot2/conf/log.yml
new file mode 100644
index 0000000..780df1a
--- /dev/null
+++ b/msb2pilot2/conf/log.yml
@@ -0,0 +1,13 @@
+# level: Emergency, Alert, Critical, Error, Warn, Notice, Info and Debug
+console:
+  level: Debug
+
+file:
+  filename: msb2pilot.log
+  level: Info
+  maxlines: 300000
+  #metric:M
+  maxsize: 20
+  daily: false
+  maxdays: 3
+  rotate: true
diff --git a/msb2pilot2/log/log.go b/msb2pilot2/log/log.go
new file mode 100644
index 0000000..253d8b2
--- /dev/null
+++ b/msb2pilot2/log/log.go
@@ -0,0 +1,179 @@
+package log
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/astaxie/beego/logs"
+	"msb2pilot/util"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+)
+
+type ConsoleCfg struct {
+	Level int `json:"level"`
+}
+
+type FileCfg struct {
+	FileName string `json:"filename"`
+	Level    int    `json:"level"`
+	MaxLines int    `json:"maxlines"`
+	MaxSize  int    `josn:"maxsize"`
+	Daily    bool   `json:"daily"`
+	MaxDays  int    `json:"maxdays"`
+	Rotate   bool   `json:"rotate"`
+}
+
+type Cfg struct {
+	Console ConsoleCfg `json:"console"`
+	File    FileCfg    `json:"file"`
+}
+
+const (
+	cfgFileName         = "log.yml"
+	defaultConsoleLevel = "Warn"
+	defaultFileLevel    = "Info"
+)
+
+var (
+	Log         *logs.BeeLogger
+	loggerLevel = map[string]int{"Emergency": 0, "Alert": 1, "Critical": 2, "Error": 3, "Warn": 4, "Notice": 5, "Info": 6, "Debug": 7}
+)
+
+func init() {
+	Log = logs.NewLogger()
+	Log.EnableFuncCallDepth(true)
+
+	cfg := getConfig()
+	setLogger(logs.AdapterConsole, &cfg.Console)
+	checkLogDir(cfg.File.FileName)
+	setLogger(logs.AdapterFile, &cfg.File)
+}
+
+func setLogger(adapter string, cfg interface{}) bool {
+	b, err := json.Marshal(cfg)
+	if err != nil {
+		fmt.Printf(" cfg json trans error: %s\n", adapter, err.Error())
+		return false
+	}
+
+	err = Log.SetLogger(adapter, string(b))
+	if err != nil {
+		fmt.Printf("set %s failed: %s\n", adapter, err.Error())
+		return false
+	}
+
+	return true
+
+}
+
+func checkLogDir(path string) {
+	if path == "" {
+		return
+	}
+
+	var index int
+	pathSep := string(os.PathSeparator)
+	if index = strings.LastIndex(path, pathSep); index <= 2 {
+		return
+	}
+
+	perm, _ := strconv.ParseInt("0660", 8, 64)
+	if err := os.MkdirAll(path[0:index], os.FileMode(perm)); err != nil {
+		return
+	}
+}
+
+func loadCustom() map[string]interface{} {
+	fullPath := filepath.Join(util.GetCfgPath(), cfgFileName)
+	fmt.Println("log config path is:" + fullPath)
+	config, err := util.Read(fullPath)
+	if err != nil {
+		fmt.Println("read config file error")
+		return nil
+	}
+
+	cfg := make(map[string]interface{})
+	err = util.UnmarshalYaml(config, &cfg)
+
+	if err != nil {
+		fmt.Printf("parse config file error: %s\n", err.Error())
+		return nil
+	}
+	return cfg
+}
+
+func getConfig() (result *Cfg) {
+	result = getDefaultCfg()
+
+	customs := loadCustom()
+
+	if customs == nil {
+		return
+	}
+
+	var console map[interface{}]interface{}
+	if cons, exist := customs["console"]; exist {
+		console = cons.(map[interface{}]interface{})
+
+		if levelstr, exist := console["level"]; exist {
+			if level, ok := loggerLevel[levelstr.(string)]; ok {
+				result.Console.Level = level
+			}
+		}
+	}
+	var file map[interface{}]interface{}
+	if f, exist := customs["file"]; !exist {
+		return
+	} else {
+		file = f.(map[interface{}]interface{})
+	}
+
+	if filename, e := file["filename"]; e {
+		result.File.FileName = filename.(string)
+	}
+	if levelstr, e := file["level"]; e {
+		if level, exist := loggerLevel[levelstr.(string)]; exist {
+			result.File.Level = level
+		}
+	}
+	if maxlines, e := file["maxlines"]; e {
+		result.File.MaxLines = maxlines.(int)
+	}
+
+	if maxsize, e := file["maxsize"]; e {
+		result.File.MaxSize = maxsize.(int) * 1024 * 1024
+	}
+
+	if daily, e := file["daily"]; e {
+		result.File.Daily = daily.(bool)
+	}
+
+	if maxdays, e := file["maxdays"]; e {
+		result.File.MaxDays = maxdays.(int)
+	}
+
+	if rotate, e := file["rotate"]; e {
+		result.File.Rotate = rotate.(bool)
+	}
+
+	return
+}
+
+func getDefaultCfg() *Cfg {
+	return &Cfg{
+		Console: ConsoleCfg{
+			Level: loggerLevel[defaultConsoleLevel],
+		},
+		File: FileCfg{
+			FileName: "msb2pilot.log",
+			Level:    loggerLevel[defaultFileLevel],
+			MaxLines: 300000,
+			MaxSize:  30 * 1024 * 1024,
+			Daily:    true,
+			MaxDays:  10,
+			Rotate:   true,
+		},
+	}
+}
diff --git a/msb2pilot2/main.go b/msb2pilot2/main.go
index 7624e46..8d7bfdd 100644
--- a/msb2pilot2/main.go
+++ b/msb2pilot2/main.go
@@ -1,11 +1,13 @@
 package main
 
 import (
+	"msb2pilot/log"
 	_ "msb2pilot2/routers"
+
 	"github.com/astaxie/beego"
 )
 
 func main() {
+	log.Log.Informational("**************** init msb2pilot ************************")
 	beego.Run()
 }
-