Adding endpoint for log retrieval on the minion

pkg/kubelet/handlers.go

@@ -20,6 +20,8 @@ import (
 	"fmt"
 	"net"
 	"strconv"
+	"net/http"
+	"io"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
@@ -95,3 +97,21 @@ func (h *httpActionHandler) Run(podFullName, uuid string, container *api.Contain
 	_, err := h.client.Get(url)
 	return err
 }
+
+// flusherWriter provides wrapper for responseWriter with HTTP streaming capabilities
+type FlushWriter struct {
+	flusher http.Flusher
+	writer io.Writer
+}
+
+// Write is a flushWriter implementation of the io.Writer that sends any buffered data to the client.
+func (fw *FlushWriter) Write(p []byte) (n int, err error) {
+	n, err = fw.writer.Write(p)
+	if err != nil {
+		return n, err
+	}
+	if fw.flusher != nil {
+		fw.flusher.Flush()
+	}
+	return
+}