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log.go
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log.go
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// Package log provides a global interface to logging functionality
package log
import (
"context"
"github.com/sirupsen/logrus"
)
type (
ID struct{}
Name struct{}
)
func Debugf(ctx context.Context, format string, args ...interface{}) {
entry(ctx).Debugf(format, args...)
}
func Infof(ctx context.Context, format string, args ...interface{}) {
entry(ctx).Infof(format, args...)
}
func Warnf(ctx context.Context, format string, args ...interface{}) {
entry(ctx).Warnf(format, args...)
}
func Errorf(ctx context.Context, format string, args ...interface{}) {
entry(ctx).Errorf(format, args...)
}
func Fatalf(ctx context.Context, format string, args ...interface{}) {
entry(ctx).Fatalf(format, args...)
}
func WithFields(ctx context.Context, fields map[string]interface{}) *logrus.Entry {
return entry(ctx).WithFields(fields)
}
func entry(ctx context.Context) *logrus.Entry {
logger := logrus.StandardLogger()
if ctx == nil {
return logrus.NewEntry(logger)
}
id, idOk := ctx.Value(ID{}).(string)
name, nameOk := ctx.Value(Name{}).(string)
if idOk && nameOk {
return logger.WithField("id", id).WithField("name", name)
}
return logrus.NewEntry(logger)
}