Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/kubelet/checkpoint/BUILD

@@ -0,0 +1,41 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["checkpoint.go"],
+    importpath = "k8s.io/kubernetes/pkg/kubelet/checkpoint",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/core:go_default_library",
+        "//pkg/kubelet/checkpointmanager:go_default_library",
+        "//pkg/kubelet/checkpointmanager/checksum:go_default_library",
+        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["checkpoint_test.go"],
+    embed = [":go_default_library"],
+    deps = [
+        "//pkg/apis/core:go_default_library",
+        "//pkg/kubelet/checkpointmanager:go_default_library",
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1: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/checkpoint/checkpoint.go

@@ -0,0 +1,128 @@
+/*
+Copyright 2017 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 checkpoint
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/golang/glog"
+
+	"k8s.io/api/core/v1"
+	"k8s.io/kubernetes/pkg/apis/core"
+	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager"
+	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager/checksum"
+)
+
+const (
+	// Delimiter used on checkpoints written to disk
+	delimiter = "_"
+	podPrefix = "Pod"
+)
+
+type PodCheckpoint interface {
+	checkpointmanager.Checkpoint
+	GetPod() *v1.Pod
+}
+
+// Data to be stored as checkpoint
+type Data struct {
+	Pod      *v1.Pod
+	Checksum checksum.Checksum
+}
+
+// NewPodCheckpoint returns new pod checkpoint
+func NewPodCheckpoint(pod *v1.Pod) PodCheckpoint {
+	return &Data{Pod: pod}
+}
+
+// MarshalCheckpoint returns marshalled data
+func (cp *Data) MarshalCheckpoint() ([]byte, error) {
+	cp.Checksum = checksum.New(*cp.Pod)
+	return json.Marshal(*cp)
+}
+
+// UnmarshalCheckpoint returns unmarshalled data
+func (cp *Data) UnmarshalCheckpoint(blob []byte) error {
+	return json.Unmarshal(blob, cp)
+}
+
+// VerifyChecksum verifies that passed checksum is same as calculated checksum
+func (cp *Data) VerifyChecksum() error {
+	return cp.Checksum.Verify(*cp.Pod)
+}
+
+func (cp *Data) GetPod() *v1.Pod {
+	return cp.Pod
+}
+
+// checkAnnotations will validate the checkpoint annotations exist on the Pod
+func checkAnnotations(pod *v1.Pod) bool {
+	if podAnnotations := pod.GetAnnotations(); podAnnotations != nil {
+		if podAnnotations[core.BootstrapCheckpointAnnotationKey] == "true" {
+			return true
+		}
+	}
+	return false
+}
+
+//getPodKey returns the full qualified path for the pod checkpoint
+func getPodKey(pod *v1.Pod) string {
+	return fmt.Sprintf("Pod%v%v.yaml", delimiter, pod.GetUID())
+}
+
+// LoadPods Loads All Checkpoints from disk
+func LoadPods(cpm checkpointmanager.CheckpointManager) ([]*v1.Pod, error) {
+	pods := make([]*v1.Pod, 0)
+
+	var err error
+	checkpointKeys := []string{}
+	checkpointKeys, err = cpm.ListCheckpoints()
+	if err != nil {
+		glog.Errorf("Failed to list checkpoints: %v", err)
+	}
+
+	for _, key := range checkpointKeys {
+		checkpoint := NewPodCheckpoint(nil)
+		err := cpm.GetCheckpoint(key, checkpoint)
+		if err != nil {
+			glog.Errorf("Failed to retrieve checkpoint for pod %q: %v", key, err)
+			continue
+		}
+		pods = append(pods, checkpoint.GetPod())
+	}
+	return pods, nil
+}
+
+// WritePod a checkpoint to a file on disk if annotation is present
+func WritePod(cpm checkpointmanager.CheckpointManager, pod *v1.Pod) error {
+	var err error
+	if checkAnnotations(pod) {
+		data := NewPodCheckpoint(pod)
+		err = cpm.CreateCheckpoint(getPodKey(pod), data)
+	} else {
+		// This is to handle an edge where a pod update could remove
+		// an annotation and the checkpoint should then be removed.
+		err = cpm.RemoveCheckpoint(getPodKey(pod))
+	}
+	return err
+}
+
+// DeletePod deletes a checkpoint from disk if present
+func DeletePod(cpm checkpointmanager.CheckpointManager, pod *v1.Pod) error {
+	return cpm.RemoveCheckpoint(getPodKey(pod))
+}

vendor/k8s.io/kubernetes/pkg/kubelet/checkpoint/checkpoint_test.go

@@ -0,0 +1,124 @@
+/*
+Copyright 2017 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 checkpoint
+
+import (
+	"io/ioutil"
+	"os"
+	"reflect"
+	"testing"
+
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/kubernetes/pkg/apis/core"
+	"k8s.io/kubernetes/pkg/kubelet/checkpointmanager"
+)
+
+// TestWriteLoadDeletePods validates all combinations of write, load, and delete
+func TestWriteLoadDeletePods(t *testing.T) {
+	testPods := []struct {
+		pod     *v1.Pod
+		written bool
+	}{
+		{
+			pod: &v1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:        "Foo",
+					Annotations: map[string]string{core.BootstrapCheckpointAnnotationKey: "true"},
+					UID:         "1",
+				},
+			},
+			written: true,
+		},
+		{
+			pod: &v1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:        "Foo2",
+					Annotations: map[string]string{core.BootstrapCheckpointAnnotationKey: "true"},
+					UID:         "2",
+				},
+			},
+			written: true,
+		},
+		{
+			pod: &v1.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: "Bar",
+					UID:  "3",
+				},
+			},
+			written: false,
+		},
+	}
+
+	dir, err := ioutil.TempDir("", "checkpoint")
+	if err != nil {
+		t.Errorf("Failed to allocate temp directory for TestWriteLoadDeletePods error=%v", err)
+	}
+	defer os.RemoveAll(dir)
+
+	cpm, err := checkpointmanager.NewCheckpointManager(dir)
+	if err != nil {
+		t.Errorf("Failed to initialize checkpoint manager error=%v", err)
+	}
+	for _, p := range testPods {
+		// Write pods should always pass unless there is an fs error
+		if err := WritePod(cpm, p.pod); err != nil {
+			t.Errorf("Failed to Write Pod: %v", err)
+		}
+	}
+	// verify the correct written files are loaded from disk
+	pods, err := LoadPods(cpm)
+	if err != nil {
+		t.Errorf("Failed to Load Pods: %v", err)
+	}
+	// loop through contents and check make sure
+	// what was loaded matched the expected results.
+	for _, p := range testPods {
+		pname := p.pod.GetName()
+		var lpod *v1.Pod
+		for _, check := range pods {
+			if check.GetName() == pname {
+				lpod = check
+				break
+			}
+		}
+		if p.written {
+			if lpod != nil {
+				if !reflect.DeepEqual(p.pod, lpod) {
+					t.Errorf("expected %#v, \ngot %#v", p.pod, lpod)
+				}
+			} else {
+				t.Errorf("Got unexpected result for %v, should have been loaded", pname)
+			}
+		} else if lpod != nil {
+			t.Errorf("Got unexpected result for %v, should not have been loaded", pname)
+		}
+		err = DeletePod(cpm, p.pod)
+		if err != nil {
+			t.Errorf("Failed to delete pod %v", pname)
+		}
+	}
+	// finally validate the contents of the directory is empty.
+	files, err := ioutil.ReadDir(dir)
+	if err != nil {
+		t.Errorf("Failed to read directory %v", dir)
+	}
+	if len(files) > 0 {
+		t.Errorf("Directory %v should be empty but found %#v", dir, files)
+	}
+}