Bumping k8s dependencies to 1.13

vendor/k8s.io/kubernetes/pkg/volume/downwardapi/downwardapi.go

@@ -20,8 +20,6 @@ import (
 	"fmt"
 	"path"
 	"path/filepath"
-	"sort"
-	"strings"
 
 	"k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/types"
@@ -187,6 +185,7 @@ func (b *downwardAPIVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
 		return err
 	}
 
+	setupSuccess := false
 	if err := wrapped.SetUpAt(dir, fsGroup); err != nil {
 		glog.Errorf("Unable to setup downwardAPI volume %v for pod %v/%v: %s", b.volName, b.pod.Namespace, b.pod.Name, err.Error())
 		return err
@@ -196,6 +195,21 @@ func (b *downwardAPIVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
 		return err
 	}
 
+	defer func() {
+		// Clean up directories if setup fails
+		if !setupSuccess {
+			unmounter, unmountCreateErr := b.plugin.NewUnmounter(b.volName, b.podUID)
+			if unmountCreateErr != nil {
+				glog.Errorf("error cleaning up mount %s after failure. Create unmounter failed with %v", b.volName, unmountCreateErr)
+				return
+			}
+			tearDownErr := unmounter.TearDown()
+			if tearDownErr != nil {
+				glog.Errorf("error tearing down volume %s with : %v", b.volName, tearDownErr)
+			}
+		}
+	}()
+
 	writerContext := fmt.Sprintf("pod %v/%v volume %v", b.pod.Namespace, b.pod.Name, b.volName)
 	writer, err := volumeutil.NewAtomicWriter(dir, writerContext)
 	if err != nil {
@@ -215,6 +229,7 @@ func (b *downwardAPIVolumeMounter) SetUpAt(dir string, fsGroup *int64) error {
 		return err
 	}
 
+	setupSuccess = true
 	return nil
 }
 
@@ -244,7 +259,7 @@ func CollectData(items []v1.DownwardAPIVolumeFile, pod *v1.Pod, host volume.Volu
 				glog.Errorf("Unable to extract field %s: %s", fileInfo.FieldRef.FieldPath, err.Error())
 				errlist = append(errlist, err)
 			} else {
-				fileProjection.Data = []byte(sortLines(values))
+				fileProjection.Data = []byte(values)
 			}
 		} else if fileInfo.ResourceFieldRef != nil {
 			containerName := fileInfo.ResourceFieldRef.ContainerName
@@ -255,7 +270,7 @@ func CollectData(items []v1.DownwardAPIVolumeFile, pod *v1.Pod, host volume.Volu
 				glog.Errorf("Unable to extract field %s: %s", fileInfo.ResourceFieldRef.Resource, err.Error())
 				errlist = append(errlist, err)
 			} else {
-				fileProjection.Data = []byte(sortLines(values))
+				fileProjection.Data = []byte(values)
 			}
 		}
 
@@ -264,14 +279,6 @@ func CollectData(items []v1.DownwardAPIVolumeFile, pod *v1.Pod, host volume.Volu
 	return data, utilerrors.NewAggregate(errlist)
 }
 
-// sortLines sorts the strings generated from map based data
-// (annotations and labels)
-func sortLines(values string) string {
-	splitted := strings.Split(values, "\n")
-	sort.Strings(splitted)
-	return strings.Join(splitted, "\n")
-}
-
 func (d *downwardAPIVolume) GetPath() string {
 	return d.plugin.host.GetPodVolumeDir(d.podUID, utilstrings.EscapeQualifiedNameForDisk(downwardAPIPluginName), d.volName)
 }