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Merge branch 'cherry-pick-for-0.14.0-rc.3' into 'release-0.14'
Cherry-pick changes for 0.14.0-rc.3 release See merge request nvidia/kubernetes/device-plugin!281
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright (c), NVIDIA CORPORATION. All rights reserved. | ||
| * | ||
| * 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 v1 | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
| ) | ||
|
|
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| // DeviceListStrategies defines which strategies are enabled and should | ||
| // be used when passing the device list to the container runtime. | ||
| type DeviceListStrategies map[string]bool | ||
|
|
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| // NewDeviceListStrategies constructs a new DeviceListStrategy | ||
| func NewDeviceListStrategies(strategies []string) (DeviceListStrategies, error) { | ||
| ret := map[string]bool{ | ||
| DeviceListStrategyEnvvar: false, | ||
| DeviceListStrategyVolumeMounts: false, | ||
| DeviceListStrategyCDIAnnotations: false, | ||
| } | ||
| for _, s := range strategies { | ||
| if _, ok := ret[s]; !ok { | ||
| return nil, fmt.Errorf("invalid strategy: %v", s) | ||
| } | ||
| ret[s] = true | ||
| } | ||
|
|
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| return DeviceListStrategies(ret), nil | ||
| } | ||
|
|
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| // Includes returns whether the given strategy is present in the set of strategies. | ||
| func (s DeviceListStrategies) Includes(strategy string) bool { | ||
| return s[strategy] | ||
| } | ||
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| // IsCDIEnabled returns whether any of the strategies being used require CDI. | ||
| func (s DeviceListStrategies) IsCDIEnabled() bool { | ||
| for k, v := range s { | ||
| if strings.HasPrefix(k, "cdi-") && v { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } |
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