mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-30 00:11:59 +00:00
107 lines
2.2 KiB
Go
107 lines
2.2 KiB
Go
/**
|
|
# 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 transform
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"tags.cncf.io/container-device-interface/specs-go"
|
|
)
|
|
|
|
type remove map[string]bool
|
|
|
|
func newRemover(ids ...string) Transformer {
|
|
r := make(remove)
|
|
for _, id := range ids {
|
|
r[id] = true
|
|
}
|
|
return r
|
|
}
|
|
|
|
// Transform remove the specified entities from the spec.
|
|
func (r remove) Transform(spec *specs.Spec) error {
|
|
if spec == nil {
|
|
return nil
|
|
}
|
|
|
|
for _, device := range spec.Devices {
|
|
device := device
|
|
if err := r.transformEdits(&device.ContainerEdits); err != nil {
|
|
return fmt.Errorf("failed to remove edits from device %q: %w", device.Name, err)
|
|
}
|
|
}
|
|
|
|
return r.transformEdits(&spec.ContainerEdits)
|
|
}
|
|
|
|
func (r remove) transformEdits(edits *specs.ContainerEdits) error {
|
|
if edits == nil {
|
|
return nil
|
|
}
|
|
|
|
var deviceNodes []*specs.DeviceNode
|
|
for _, entity := range edits.DeviceNodes {
|
|
id, err := deviceNode(*entity).id()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if r[id] {
|
|
continue
|
|
}
|
|
deviceNodes = append(deviceNodes, entity)
|
|
}
|
|
edits.DeviceNodes = deviceNodes
|
|
|
|
var envs []string
|
|
for _, entity := range edits.Env {
|
|
id := entity
|
|
if r[id] {
|
|
continue
|
|
}
|
|
envs = append(envs, entity)
|
|
}
|
|
edits.Env = envs
|
|
|
|
var hooks []*specs.Hook
|
|
for _, entity := range edits.Hooks {
|
|
id, err := hook(*entity).id()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if r[id] {
|
|
continue
|
|
}
|
|
hooks = append(hooks, entity)
|
|
}
|
|
edits.Hooks = hooks
|
|
|
|
var mounts []*specs.Mount
|
|
for _, entity := range edits.Mounts {
|
|
id, err := mount(*entity).id()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if r[id] {
|
|
continue
|
|
}
|
|
mounts = append(mounts, entity)
|
|
}
|
|
edits.Mounts = mounts
|
|
|
|
return nil
|
|
}
|