kubernetes/pkg/api/resource.go
Jing Xu 0b13aee0c0 Add EmptyDir Volume and local storage for container overlay Isolation
This PR adds two features:
1. add support for isolating the emptyDir volume use. If user
sets a size limit for emptyDir volume, kubelet's eviction manager
monitors its usage
and evict the pod if the usage exceeds the limit.
2. add support for isolating the local storage for container overlay. If
the container's overly usage exceeds the limit defined in container
spec, eviction manager will evict the pod.
2017-06-05 12:05:48 -07:00

63 lines
1.6 KiB
Go

/*
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 api
import (
"k8s.io/apimachinery/pkg/api/resource"
)
func (self ResourceName) String() string {
return string(self)
}
// Returns the CPU limit if specified.
func (self *ResourceList) Cpu() *resource.Quantity {
if val, ok := (*self)[ResourceCPU]; ok {
return &val
}
return &resource.Quantity{Format: resource.DecimalSI}
}
// Returns the Memory limit if specified.
func (self *ResourceList) Memory() *resource.Quantity {
if val, ok := (*self)[ResourceMemory]; ok {
return &val
}
return &resource.Quantity{Format: resource.BinarySI}
}
func (self *ResourceList) Pods() *resource.Quantity {
if val, ok := (*self)[ResourcePods]; ok {
return &val
}
return &resource.Quantity{}
}
func (self *ResourceList) NvidiaGPU() *resource.Quantity {
if val, ok := (*self)[ResourceNvidiaGPU]; ok {
return &val
}
return &resource.Quantity{}
}
func (self *ResourceList) StorageOverlay() *resource.Quantity {
if val, ok := (*self)[ResourceStorageOverlay]; ok {
return &val
}
return &resource.Quantity{}
}