Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/kubelet/kubelet_resources.go

@@ -0,0 +1,70 @@
+/*
+Copyright 2016 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 kubelet
+
+import (
+	"fmt"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/v1"
+	"k8s.io/kubernetes/pkg/fieldpath"
+)
+
+// defaultPodLimitsForDownwardApi copies the input pod, and optional container,
+// and applies default resource limits. it returns a copy of the input pod,
+// and a copy of the input container (if specified) with default limits
+// applied. if a container has no limit specified, it will default the limit to
+// the node allocatable.
+// TODO: if/when we have pod level resources, we need to update this function
+// to use those limits instead of node allocatable.
+func (kl *Kubelet) defaultPodLimitsForDownwardApi(pod *v1.Pod, container *v1.Container) (*v1.Pod, *v1.Container, error) {
+	if pod == nil {
+		return nil, nil, fmt.Errorf("invalid input, pod cannot be nil")
+	}
+
+	node, err := kl.getNodeAnyWay()
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to find node object, expected a node")
+	}
+	allocatable := node.Status.Allocatable
+
+	podCopy, err := api.Scheme.Copy(pod)
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to perform a deep copy of pod object: %v", err)
+	}
+	outputPod, ok := podCopy.(*v1.Pod)
+	if !ok {
+		return nil, nil, fmt.Errorf("unexpected type returned from deep copy of pod object")
+	}
+	for idx := range outputPod.Spec.Containers {
+		fieldpath.MergeContainerResourceLimits(&outputPod.Spec.Containers[idx], allocatable)
+	}
+
+	var outputContainer *v1.Container
+	if container != nil {
+		containerCopy, err := api.Scheme.DeepCopy(container)
+		if err != nil {
+			return nil, nil, fmt.Errorf("failed to perform a deep copy of container object: %v", err)
+		}
+		outputContainer, ok = containerCopy.(*v1.Container)
+		if !ok {
+			return nil, nil, fmt.Errorf("unexpected type returned from deep copy of container object")
+		}
+		fieldpath.MergeContainerResourceLimits(outputContainer, allocatable)
+	}
+	return outputPod, outputContainer, nil
+}