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logging.go
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logging.go
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package core
import (
"fmt"
"github.com/anz-bank/pkg/log"
"github.com/sirupsen/logrus"
)
type logrusHook struct {
logger *logrus.Logger
}
func (h *logrusHook) OnLogged(entry *log.LogEntry) error {
e := pkgLogEntryToLogrusEntry(h.logger, entry)
e.Log(e.Level, e.Message)
return nil
}
// Convert the given pkg entry to a logrus entry.
func pkgLogEntryToLogrusEntry(logger *logrus.Logger, entry *log.LogEntry) *logrus.Entry {
return &logrus.Entry{
Logger: logger,
Data: pkgLogEntryToLogrusFields(entry),
Time: entry.Time,
Level: verboseToLogrusLevel(entry.Verbose),
Message: entry.Message,
}
}
// Convert the pkg log entry into appropriate logrus fields to log.
func pkgLogEntryToLogrusFields(entry *log.LogEntry) logrus.Fields {
fields := make(map[string]interface{})
iterator := entry.Data.Range()
for iterator.Next() {
fields[iterator.Key().(string)] = iterator.Value()
}
if entry.Caller.File != "" {
fields["caller"] = fmt.Sprintf("%s:%d", entry.Caller.File, entry.Caller.Line)
}
return fields
}
// Convert the pkg concept of verbosity to a logrus level.
func verboseToLogrusLevel(verbose bool) logrus.Level {
if verbose {
return logrus.DebugLevel
}
return logrus.InfoLevel
}