Move code to pkg

pkg/tracing/jaeger/logger.go

@@ -0,0 +1,26 @@
+package jaeger
+
+import (
+	"github.com/containous/traefik/pkg/log"
+	"github.com/sirupsen/logrus"
+)
+
+// jaegerLogger is an implementation of the Logger interface that delegates to traefik log
+type jaegerLogger struct {
+	logger logrus.FieldLogger
+}
+
+func newJaegerLogger() *jaegerLogger {
+	return &jaegerLogger{
+		logger: log.WithoutContext().WithField(log.TracingProviderName, "jaeger"),
+	}
+}
+
+func (l *jaegerLogger) Error(msg string) {
+	l.logger.Errorf("Tracing jaeger error: %s", msg)
+}
+
+// Infof logs a message at debug priority
+func (l *jaegerLogger) Infof(msg string, args ...interface{}) {
+	l.logger.Debugf(msg, args...)
+}