/
logger.go
77 lines (66 loc) · 1.99 KB
/
logger.go
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package main
import (
"fmt"
"net/http"
"time"
"github.com/ca-risken/common/pkg/logging"
"github.com/go-chi/chi/v5/middleware"
"github.com/sirupsen/logrus"
"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
)
var (
appLogger = logging.NewLogger()
httpLogger = newAccessLogger()
)
func newAccessLogger() func(next http.Handler) http.Handler {
logger := logrus.New()
logger.Formatter = &logrus.JSONFormatter{}
return middleware.RequestLogger(&accessLogger{logger})
}
type accessLogger struct {
Logger *logrus.Logger
}
func (l *accessLogger) NewLogEntry(r *http.Request) middleware.LogEntry {
ctx := r.Context()
entry := &accessLoggerEntry{Logger: logrus.NewEntry(l.Logger)}
logFields := logrus.Fields{}
if reqID := middleware.GetReqID(ctx); reqID != "" {
logFields["req_id"] = reqID
}
scheme := "http"
if r.TLS != nil {
scheme = "https"
}
logFields["http_scheme"] = scheme
logFields["http_proto"] = r.Proto
logFields["http_method"] = r.Method
logFields["remote_addr"] = r.RemoteAddr
logFields["xff"] = r.Header.Get("X-Forwarded-For")
logFields["user_agent"] = r.UserAgent()
logFields["uri"] = fmt.Sprintf("%s://%s%s", scheme, r.Host, r.RequestURI)
logFields["path"] = r.URL.Path
span, ok := tracer.SpanFromContext(ctx)
if ok {
logFields[logging.FieldKeyTraceID] = span.Context().TraceID()
logFields[logging.FieldKeySpanID] = span.Context().SpanID()
}
entry.Logger = entry.Logger.WithFields(logFields)
return entry
}
type accessLoggerEntry struct {
Logger logrus.FieldLogger
}
func (l *accessLoggerEntry) Write(status, bytes int, header http.Header, elapsed time.Duration, extra interface{}) {
l.Logger = l.Logger.WithFields(logrus.Fields{
"resp_status": status,
"resp_bytes_length": bytes,
"resp_elapsed_ms": float64(elapsed.Nanoseconds()) / 1000000.0,
})
l.Logger.Infoln("request complete")
}
func (l *accessLoggerEntry) Panic(v interface{}, stack []byte) {
l.Logger = l.Logger.WithFields(logrus.Fields{
"stack": string(stack),
"panic": fmt.Sprintf("%+v", v),
})
}