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Merge pull request #28 from lixiaojun629/develop
add rotate log
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| export VERSION=0.1.15 | ||
| export VERSION=0.1.16 | ||
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| .PHONY : build | ||
| build: | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
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| package base | ||
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| import ( | ||
| "os" | ||
| "sync" | ||
| "fmt" | ||
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| log "github.com/sirupsen/logrus" | ||
| "github.com/ucloud/ucloud-sdk-go/ucloud/request" | ||
| ) | ||
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| //Logger 日志 | ||
| var logger *log.Logger | ||
| var mu sync.Mutex | ||
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| func init() { | ||
| initLog() | ||
| } | ||
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| func initLog(){ | ||
| file, err := os.OpenFile(GetLogFilePath(), os.O_APPEND|os.O_CREATE|os.O_RDWR, 0644) | ||
| if err != nil { | ||
| fmt.Println("open log file failed: ", err) | ||
| return | ||
| } | ||
| logger = log.New() | ||
| logger.SetNoLock() | ||
| logger.AddHook(NewLogRotateHook(file)) | ||
| logger.SetOutput(file) | ||
| } | ||
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| //GetLogFilePath 获取日志文件路径 | ||
| func GetLogFilePath() string { | ||
| return GetHomePath() + fmt.Sprintf("/%s/cli.log", ConfigPath) | ||
| } | ||
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| //Log 记录日志 | ||
| func Log(logs []string) { | ||
| mu.Lock() | ||
| defer mu.Unlock() | ||
| logger.Info("=============================================================") | ||
| for _, line := range logs { | ||
| logger.Info(line) | ||
| } | ||
| } | ||
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| //LogRotateHook rotate log file | ||
| type LogRotateHook struct { | ||
| MaxSize int64 | ||
| Cut float32 | ||
| LogFile *os.File | ||
| mux sync.Mutex | ||
| } | ||
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| //Levels fires hook | ||
| func (hook *LogRotateHook) Levels() []log.Level { | ||
| return log.AllLevels | ||
| } | ||
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| //Fire do someting when hook is triggered | ||
| func (hook *LogRotateHook) Fire(entry *log.Entry) error { | ||
| hook.mux.Lock() | ||
| defer hook.mux.Unlock() | ||
| info, err := hook.LogFile.Stat() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| if info.Size() <= hook.MaxSize { | ||
| return nil | ||
| } | ||
| hook.LogFile.Sync() | ||
| offset := int64(float32(hook.MaxSize) * hook.Cut) | ||
| buf := make([]byte, info.Size()-offset) | ||
| _, err = hook.LogFile.ReadAt(buf, offset) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| nfile, err := os.Create(GetLogFilePath() + ".tmp") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| nfile.Write(buf) | ||
| nfile.Close() | ||
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| err = os.Rename(GetLogFilePath()+".tmp", GetLogFilePath()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| mfile, err := os.OpenFile(GetLogFilePath(), os.O_APPEND|os.O_CREATE|os.O_RDWR, 0644) | ||
| if err != nil { | ||
| fmt.Println("open log file failed: ", err) | ||
| return err | ||
| } | ||
| entry.Logger.SetOutput(mfile) | ||
| initLog() | ||
| return nil | ||
| } | ||
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| //NewLogRotateHook create a LogRotateHook | ||
| func NewLogRotateHook(file *os.File) *LogRotateHook { | ||
| return &LogRotateHook{ | ||
| MaxSize: 1024*1024, //1MB | ||
| Cut: 0.2, | ||
| LogFile: file, | ||
| } | ||
| } | ||
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| //ToQueryMap tranform request to map | ||
| func ToQueryMap(req request.Common) map[string]string { | ||
| reqMap, err := request.ToQueryMap(req) | ||
| if err != nil { | ||
| return nil | ||
| } | ||
| delete(reqMap, "Password") | ||
| return reqMap | ||
| } |
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