podman/pkg/api/server/handler_logging.go

76 lines
1.7 KiB
Go

package server
import (
"bufio"
"errors"
"io"
"net"
"net/http"
"time"
"github.com/gorilla/mux"
"github.com/sirupsen/logrus"
)
type responseWriter struct {
http.ResponseWriter
}
var apiLogger = &logrus.Logger{
Formatter: &logrus.TextFormatter{
DisableColors: true,
DisableLevelTruncation: true,
FullTimestamp: true,
QuoteEmptyFields: true,
TimestampFormat: time.RFC3339,
},
Level: logrus.TraceLevel,
Out: logrus.StandardLogger().Out,
}
func (l responseWriter) Write(b []byte) (int, error) {
apiLogger.WithFields(logrus.Fields{
"API": "response",
"X-Reference-Id": l.Header().Get("X-Reference-Id"),
}).Trace(string(b))
return l.ResponseWriter.Write(b)
}
func (l responseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
if wrapped, ok := l.ResponseWriter.(http.Hijacker); ok {
return wrapped.Hijack()
}
return nil, nil, errors.New("ResponseWriter does not support hijacking")
}
func (l responseWriter) Header() http.Header {
return l.ResponseWriter.Header()
}
func (l responseWriter) WriteHeader(statusCode int) {
l.ResponseWriter.WriteHeader(statusCode)
}
func (l responseWriter) Flush() {
if wrapped, ok := l.ResponseWriter.(http.Flusher); ok {
wrapped.Flush()
}
}
func loggingHandler() mux.MiddlewareFunc {
return func(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
annotated := apiLogger.WithFields(logrus.Fields{
"API": "request",
"X-Reference-Id": r.Header.Get("X-Reference-Id"),
})
r.Body = io.NopCloser(
io.TeeReader(r.Body, annotated.WriterLevel(logrus.TraceLevel)))
w = responseWriter{ResponseWriter: w}
h.ServeHTTP(w, r)
})
}
}