mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-18 04:10:22 +00:00
58 lines
1.9 KiB
Go
58 lines
1.9 KiB
Go
/*
|
|
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"
|
|
|
|
"github.com/golang/glog"
|
|
|
|
"k8s.io/api/core/v1"
|
|
"k8s.io/kubernetes/pkg/api/v1/resource"
|
|
)
|
|
|
|
// 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
|
|
glog.Infof("allocatable: %v", allocatable)
|
|
outputPod := pod.DeepCopy()
|
|
for idx := range outputPod.Spec.Containers {
|
|
resource.MergeContainerResourceLimits(&outputPod.Spec.Containers[idx], allocatable)
|
|
}
|
|
|
|
var outputContainer *v1.Container
|
|
if container != nil {
|
|
outputContainer = container.DeepCopy()
|
|
resource.MergeContainerResourceLimits(outputContainer, allocatable)
|
|
}
|
|
return outputPod, outputContainer, nil
|
|
}
|