Includes the number of free indoes in summary

pkg/kubelet/api/v1alpha1/stats/types.go

@@ -173,6 +173,8 @@ type FsStats struct {
 	// This may differ from the total bytes used on the filesystem and may not equal CapacityBytes - AvailableBytes.
 	// e.g. For ContainerStats.Rootfs this is the bytes used by the container rootfs on the filesystem.
 	UsedBytes *uint64 `json:"usedBytes,omitempty"`
+	// InodesFree represents the free inodes in the filesystem.
+	InodesFree *uint64 `json:"inodesFree,omitempty"`
 }
 
 // UserDefinedMetricType defines how the metric should be interpreted by the user.

pkg/kubelet/server/stats/summary.go

@@ -124,13 +124,15 @@ func (sb *summaryBuilder) build() (*stats.Summary, error) {
 		Fs: &stats.FsStats{
 			AvailableBytes: &sb.rootFsInfo.Available,
 			CapacityBytes:  &sb.rootFsInfo.Capacity,
-			UsedBytes:      &sb.rootFsInfo.Usage},
+			UsedBytes:      &sb.rootFsInfo.Usage,
+			InodesFree:     &sb.rootFsInfo.InodesFree},
 		StartTime: rootStats.StartTime,
 		Runtime: &stats.RuntimeStats{
 			ImageFs: &stats.FsStats{
 				AvailableBytes: &sb.imageFsInfo.Available,
 				CapacityBytes:  &sb.imageFsInfo.Capacity,
 				UsedBytes:      &sb.imageStats.TotalStorageBytes,
+				InodesFree:     &sb.imageFsInfo.InodesFree,
 			},
 		},
 	}