mirror of https://github.com/k3s-io/k3s
78 lines
1.9 KiB
Go
78 lines
1.9 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 nvidia
|
|
|
|
import "k8s.io/apimachinery/pkg/util/sets"
|
|
|
|
type containerToGPU map[string]sets.String
|
|
|
|
// podGPUs represents a list of pod to GPU mappings.
|
|
type podGPUs struct {
|
|
podGPUMapping map[string]containerToGPU
|
|
}
|
|
|
|
func newPodGPUs() *podGPUs {
|
|
return &podGPUs{
|
|
podGPUMapping: make(map[string]containerToGPU),
|
|
}
|
|
}
|
|
func (pgpu *podGPUs) pods() sets.String {
|
|
ret := sets.NewString()
|
|
for k := range pgpu.podGPUMapping {
|
|
ret.Insert(k)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func (pgpu *podGPUs) insert(podUID, contName string, device string) {
|
|
if _, exists := pgpu.podGPUMapping[podUID]; !exists {
|
|
pgpu.podGPUMapping[podUID] = make(containerToGPU)
|
|
}
|
|
if _, exists := pgpu.podGPUMapping[podUID][contName]; !exists {
|
|
pgpu.podGPUMapping[podUID][contName] = sets.NewString()
|
|
}
|
|
pgpu.podGPUMapping[podUID][contName].Insert(device)
|
|
}
|
|
|
|
func (pgpu *podGPUs) getGPUs(podUID, contName string) sets.String {
|
|
containers, exists := pgpu.podGPUMapping[podUID]
|
|
if !exists {
|
|
return nil
|
|
}
|
|
devices, exists := containers[contName]
|
|
if !exists {
|
|
return nil
|
|
}
|
|
return devices
|
|
}
|
|
|
|
func (pgpu *podGPUs) delete(pods []string) {
|
|
for _, uid := range pods {
|
|
delete(pgpu.podGPUMapping, uid)
|
|
}
|
|
}
|
|
|
|
func (pgpu *podGPUs) devices() sets.String {
|
|
ret := sets.NewString()
|
|
for _, containerToGPU := range pgpu.podGPUMapping {
|
|
for _, deviceSet := range containerToGPU {
|
|
ret = ret.Union(deviceSet)
|
|
}
|
|
}
|
|
return ret
|
|
}
|