vendor update for CSI 0.3.0

vendor/k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum/BUILD

@@ -0,0 +1,26 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["checksum.go"],
+    importpath = "k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/kubelet/checkpointmanager/errors:go_default_library",
+        "//pkg/util/hash:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum/checksum.go

@@ -0,0 +1,46 @@
+/*
+Copyright 2018 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package checksum
+
+import (
+	"hash/fnv"
+
+	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager/errors"
+	hashutil "k8s.io/kubernetes/pkg/util/hash"
+)
+
+// Data to be stored as checkpoint
+type Checksum uint64
+
+// VerifyChecksum verifies that passed checksum is same as calculated checksum
+func (cs Checksum) Verify(data interface{}) error {
+	if cs != New(data) {
+		return errors.ErrCorruptCheckpoint
+	}
+	return nil
+}
+
+func New(data interface{}) Checksum {
+	return Checksum(getChecksum(data))
+}
+
+// Get returns calculated checksum of checkpoint data
+func getChecksum(data interface{}) uint64 {
+	hash := fnv.New32a()
+	hashutil.DeepHashObject(hash, data)
+	return uint64(hash.Sum32())
+}