14324: Use logrus in Azure driver. Fix Sirupsen->sirupsen in imports
[arvados.git] / sdk / go / httpserver / logger.go
index 1a4b7c55925b20eb398cc9d9c402004a0d2f779c..357daee269f3784dd650107ef081d689cd3639de 100644 (file)
@@ -10,24 +10,27 @@ import (
        "time"
 
        "git.curoverse.com/arvados.git/sdk/go/stats"
-       "github.com/Sirupsen/logrus"
+       "github.com/sirupsen/logrus"
 )
 
 type contextKey struct {
        name string
 }
 
-var requestTimeContextKey = contextKey{"requestTime"}
-
-var Logger logrus.FieldLogger = logrus.StandardLogger()
+var (
+       requestTimeContextKey = contextKey{"requestTime"}
+       loggerContextKey      = contextKey{"logger"}
+)
 
 // LogRequests wraps an http.Handler, logging each request and
-// response via logrus.
-func LogRequests(h http.Handler) http.Handler {
+// response via logger.
+func LogRequests(logger logrus.FieldLogger, h http.Handler) http.Handler {
+       if logger == nil {
+               logger = logrus.StandardLogger()
+       }
        return http.HandlerFunc(func(wrapped http.ResponseWriter, req *http.Request) {
                w := &responseTimer{ResponseWriter: WrapResponseWriter(wrapped)}
-               req = req.WithContext(context.WithValue(req.Context(), &requestTimeContextKey, time.Now()))
-               lgr := Logger.WithFields(logrus.Fields{
+               lgr := logger.WithFields(logrus.Fields{
                        "RequestID":       req.Header.Get("X-Request-Id"),
                        "remoteAddr":      req.RemoteAddr,
                        "reqForwardedFor": req.Header.Get("X-Forwarded-For"),
@@ -37,12 +40,25 @@ func LogRequests(h http.Handler) http.Handler {
                        "reqQuery":        req.URL.RawQuery,
                        "reqBytes":        req.ContentLength,
                })
+               ctx := req.Context()
+               ctx = context.WithValue(ctx, &requestTimeContextKey, time.Now())
+               ctx = context.WithValue(ctx, &loggerContextKey, lgr)
+               req = req.WithContext(ctx)
+
                logRequest(w, req, lgr)
                defer logResponse(w, req, lgr)
                h.ServeHTTP(w, req)
        })
 }
 
+func Logger(req *http.Request) logrus.FieldLogger {
+       if lgr, ok := req.Context().Value(&loggerContextKey).(logrus.FieldLogger); ok {
+               return lgr
+       } else {
+               return logrus.StandardLogger()
+       }
+}
+
 func logRequest(w *responseTimer, req *http.Request, lgr *logrus.Entry) {
        lgr.Info("request")
 }