Replace godep with dep

vendor/k8s.io/kubernetes/pkg/kubelet/dockershim/testing/util.go

@@ -0,0 +1,67 @@
+/*
+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 testing
+
+import (
+	"sync"
+
+	"k8s.io/kubernetes/pkg/kubelet/dockershim/errors"
+)
+
+// MemStore is an implementation of CheckpointStore interface which stores checkpoint in memory.
+type MemStore struct {
+	mem map[string][]byte
+	sync.Mutex
+}
+
+func NewMemStore() *MemStore {
+	return &MemStore{mem: make(map[string][]byte)}
+}
+
+func (mstore *MemStore) Write(key string, data []byte) error {
+	mstore.Lock()
+	defer mstore.Unlock()
+	mstore.mem[key] = data
+	return nil
+}
+
+func (mstore *MemStore) Read(key string) ([]byte, error) {
+	mstore.Lock()
+	defer mstore.Unlock()
+	data, ok := mstore.mem[key]
+	if !ok {
+		return nil, errors.CheckpointNotFoundError
+	}
+	return data, nil
+}
+
+func (mstore *MemStore) Delete(key string) error {
+	mstore.Lock()
+	defer mstore.Unlock()
+	delete(mstore.mem, key)
+	return nil
+}
+
+func (mstore *MemStore) List() ([]string, error) {
+	mstore.Lock()
+	defer mstore.Unlock()
+	keys := make([]string, 0)
+	for key := range mstore.mem {
+		keys = append(keys, key)
+	}
+	return keys, nil
+}