forked from TrueCloudLab/certificates
77 lines
1.8 KiB
Go
77 lines
1.8 KiB
Go
package logging
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// defaultTraceIdHeader is the default header used as a trace id.
|
|
const defaultTraceIDHeader = "X-Smallstep-Id"
|
|
|
|
// ErrorKey defines the key used to log errors.
|
|
var ErrorKey = logrus.ErrorKey
|
|
|
|
// Logger is an alias of logrus.Logger.
|
|
type Logger struct {
|
|
*logrus.Logger
|
|
name string
|
|
traceHeader string
|
|
}
|
|
|
|
// loggerConfig represents the configuration options for the logger.
|
|
type loggerConfig struct {
|
|
Format string `json:"format"`
|
|
TraceHeader string `json:"traceHeader"`
|
|
}
|
|
|
|
// New initializes the logger with the given options.
|
|
func New(name string, raw json.RawMessage) (*Logger, error) {
|
|
var config loggerConfig
|
|
if err := json.Unmarshal(raw, &config); err != nil {
|
|
return nil, errors.Wrap(err, "error unmarshalling logging attribute")
|
|
}
|
|
|
|
var formatter logrus.Formatter
|
|
switch strings.ToLower(config.Format) {
|
|
case "", "text":
|
|
case "json":
|
|
formatter = new(logrus.JSONFormatter)
|
|
case "common":
|
|
formatter = new(CommonLogFormat)
|
|
default:
|
|
return nil, errors.Errorf("unsupported logger.format '%s'", config.Format)
|
|
}
|
|
|
|
logger := &Logger{
|
|
Logger: logrus.New(),
|
|
name: name,
|
|
traceHeader: config.TraceHeader,
|
|
}
|
|
if formatter != nil {
|
|
logger.Formatter = formatter
|
|
}
|
|
return logger, nil
|
|
}
|
|
|
|
// GetImpl returns the real implementation of the logger.
|
|
func (l *Logger) GetImpl() *logrus.Logger {
|
|
return l.Logger
|
|
}
|
|
|
|
// GetTraceHeader returns the trace header configured
|
|
func (l *Logger) GetTraceHeader() string {
|
|
if l.traceHeader == "" {
|
|
return defaultTraceIDHeader
|
|
}
|
|
return l.traceHeader
|
|
}
|
|
|
|
// Middleware returns the logger middleware that will trace the request of the
|
|
// given handler.
|
|
func (l *Logger) Middleware(next http.Handler) http.Handler {
|
|
return NewLoggerHandler(l.name, l, next)
|
|
}
|