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107 lines
2.8 KiB
107 lines
2.8 KiB
package core
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import (
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"fmt"
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"gin-vue-admin/config"
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"gin-vue-admin/global"
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"gin-vue-admin/utils"
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rotatelogs "github.com/lestrrat/go-file-rotatelogs"
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oplogging "github.com/op/go-logging"
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"io"
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"os"
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"strings"
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"time"
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)
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const (
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logDir = "log"
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logSoftLink = "latest_log"
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module = "gin-vue-admin"
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)
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var (
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defaultFormatter = `%{time:2006/01/02 - 15:04:05.000} %{longfile} %{color:bold}▶ [%{level:.6s}] %{message}%{color:reset}`
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)
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func init() {
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c := global.GVA_CONFIG.Log
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if c.Prefix == "" {
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_ = fmt.Errorf("logger prefix not found")
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}
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logger := oplogging.MustGetLogger(module)
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var backends []oplogging.Backend
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backends = registerStdout(c, backends)
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backends = registerFile(c, backends)
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oplogging.SetBackend(backends...)
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global.GVA_LOG = logger
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}
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func registerStdout(c config.Log, backends []oplogging.Backend) []oplogging.Backend {
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if c.Stdout != "" {
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level, err := oplogging.LogLevel(c.Stdout)
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if err != nil {
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fmt.Println(err)
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}
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backends = append(backends, createBackend(os.Stdout, c, level))
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}
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return backends
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}
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func registerFile(c config.Log, backends []oplogging.Backend) []oplogging.Backend {
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if c.File != "" {
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if ok, _ := utils.PathExists(logDir); !ok {
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// directory not exist
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fmt.Println("create log directory")
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_ = os.Mkdir(logDir, os.ModePerm)
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}
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fileWriter, err := rotatelogs.New(
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logDir+string(os.PathSeparator)+"%Y-%m-%d-%H-%M.log",
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// generate soft link, point to latest log file
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rotatelogs.WithLinkName(logSoftLink),
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// maximum time to save log files
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rotatelogs.WithMaxAge(7*24*time.Hour),
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// time period of log file switching
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rotatelogs.WithRotationTime(24*time.Hour),
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)
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if err != nil {
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fmt.Println(err)
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return backends
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}
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level, err := oplogging.LogLevel(c.File)
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if err != nil {
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fmt.Println(err)
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}
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backends = append(backends, createBackend(fileWriter, c, level))
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}
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return backends
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}
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func createBackend(w io.Writer, c config.Log, level oplogging.Level) oplogging.Backend {
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backend := oplogging.NewLogBackend(w, c.Prefix, 0)
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stdoutWriter := false
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if w == os.Stdout {
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stdoutWriter = true
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}
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format := getLogFormatter(c, stdoutWriter)
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backendLeveled := oplogging.AddModuleLevel(oplogging.NewBackendFormatter(backend, format))
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backendLeveled.SetLevel(level, module)
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return backendLeveled
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}
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func getLogFormatter(c config.Log, stdoutWriter bool) oplogging.Formatter {
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pattern := defaultFormatter
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if !stdoutWriter {
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// Color is only required for console output
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// Other writers don't need %{color} tag
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pattern = strings.Replace(pattern, "%{color:bold}", "", -1)
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pattern = strings.Replace(pattern, "%{color:reset}", "", -1)
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}
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if !c.LogFile {
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// Remove %{logfile} tag
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pattern = strings.Replace(pattern, "%{longfile}", "", -1)
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}
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return oplogging.MustStringFormatter(pattern)
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}
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