69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
package log
|
|
|
|
import (
|
|
logging "github.com/op/go-logging"
|
|
"log"
|
|
"log/syslog"
|
|
"os"
|
|
)
|
|
|
|
type Logger struct {
|
|
*logging.Logger
|
|
}
|
|
|
|
var (
|
|
Log *Logger
|
|
path string
|
|
)
|
|
|
|
func Open(name, logLevelStr string, prio syslog.Priority) *Logger {
|
|
logLevel, err := logging.LogLevel(logLevelStr)
|
|
if err != nil {
|
|
log.Fatal("Invalid log level specified")
|
|
}
|
|
|
|
Log = &Logger{logging.MustGetLogger(name)}
|
|
|
|
var formatStdout = logging.MustStringFormatter(
|
|
"%{color}%{time:2006-01-02T15:04:05.000} %{shortfunc} ▶ %{level:.4s} %{color:reset} %{message}",
|
|
)
|
|
stdout := logging.NewLogBackend(os.Stdout, "", 0)
|
|
formatter := logging.NewBackendFormatter(stdout, formatStdout)
|
|
stdoutLeveled := logging.AddModuleLevel(formatter)
|
|
stdoutLeveled.SetLevel(logLevel, "")
|
|
syslogBackend, err := logging.NewSyslogBackendPriority(name, prio)
|
|
if err != nil {
|
|
Log.Fatal(err)
|
|
}
|
|
|
|
logging.SetBackend(syslogBackend, stdoutLeveled)
|
|
|
|
return Log
|
|
}
|
|
|
|
func Reopen() {
|
|
if path == "" {
|
|
Log.Notice("Asked to reopen logs but running in foreground. Ignoring.")
|
|
return
|
|
}
|
|
Log.Notice("Reopening log file per IPC request...")
|
|
LogRedirectStdOutToFile(path)
|
|
Log.Notice("Reopened log file per IPC request")
|
|
}
|
|
|
|
// If there are any existing fd's (e.g. we're reopening logs), we rely
|
|
// on garbage collection to clean them up for us.
|
|
func LogRedirectStdOutToFile(logPath string) {
|
|
path = logPath
|
|
if logPath == "" {
|
|
Log.Fatal("Log Path not set")
|
|
}
|
|
|
|
logFile, err := os.OpenFile(logPath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
|
|
if err != nil {
|
|
Log.Fatal(err)
|
|
}
|
|
|
|
stdFdToLogFile(int(logFile.Fd()))
|
|
}
|