feat: log aging & force new log file. close #963

global/config/config.go

@@ -56,8 +56,10 @@ type Config struct {
 	} `yaml:"message"`
 
 	Output struct {
-		LogLevel string `yaml:"log-level"`
-		Debug    bool   `yaml:"debug"`
+		LogLevel    string `yaml:"log-level"`
+		LogAging    int    `yaml:"log-aging"`
+		LogForceNew bool   `yaml:"log-force-new"`
+		Debug       bool   `yaml:"debug"`
 	} `yaml:"output"`
 
 	Servers  []map[string]yaml.Node `yaml:"servers"`

global/config/default_config.yml

@@ -43,6 +43,10 @@ message:
 output:
   # 日志等级 trace,debug,info,warn,error
   log-level: warn
+  # 日志时效 单位天. 超过这个时间之前的日志将会被自动删除. 设置为 0 表示永久保留.
+  log-aging: 15
+  # 是否在每次启动时强制创建全新的文件储存日志. 为 false 的情况下将会在上次启动时创建的日志文件续写
+  log-force-new: true
   # 是否启用 DEBUG
   debug: false # 开启调试模式
 

main.go

@@ -75,13 +75,25 @@ func init() {
 		LogFormat:       "[%time%] [%lvl%]: %msg% \n",
 	}
 
-	w, err := rotatelogs.New(path.Join("logs", "%Y-%m-%d.log"), rotatelogs.WithRotationTime(time.Hour*24))
+	conf = config.Get()
+
+	rotateOptions := []rotatelogs.Option{
+		rotatelogs.WithRotationTime(time.Hour * 24),
+	}
+
+	if conf.Output.LogAging > 0 {
+		rotateOptions = append(rotateOptions, rotatelogs.WithMaxAge(time.Hour*24*time.Duration(conf.Output.LogAging)))
+	}
+	if conf.Output.LogForceNew {
+		rotateOptions = append(rotateOptions, rotatelogs.ForceNewFile())
+	}
+
+	w, err := rotatelogs.New(path.Join("logs", "%Y-%m-%d.log"), rotateOptions...)
 	if err != nil {
 		log.Errorf("rotatelogs init err: %v", err)
 		panic(err)
 	}
 
-	conf = config.Get()
 	if debug {
 		conf.Output.Debug = true
 	}