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Diffstat (limited to 'vendor/github.com/containerd/cgroups/devices.go')
-rw-r--r--vendor/github.com/containerd/cgroups/devices.go93
1 files changed, 0 insertions, 93 deletions
diff --git a/vendor/github.com/containerd/cgroups/devices.go b/vendor/github.com/containerd/cgroups/devices.go
deleted file mode 100644
index f6a3b1947..000000000
--- a/vendor/github.com/containerd/cgroups/devices.go
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- Copyright The containerd 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 cgroups
-
-import (
- "fmt"
- "io/ioutil"
- "os"
- "path/filepath"
-
- specs "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-const (
- allowDeviceFile = "devices.allow"
- denyDeviceFile = "devices.deny"
- wildcard = -1
-)
-
-func NewDevices(root string) *devicesController {
- return &devicesController{
- root: filepath.Join(root, string(Devices)),
- }
-}
-
-type devicesController struct {
- root string
-}
-
-func (d *devicesController) Name() Name {
- return Devices
-}
-
-func (d *devicesController) Path(path string) string {
- return filepath.Join(d.root, path)
-}
-
-func (d *devicesController) Create(path string, resources *specs.LinuxResources) error {
- if err := os.MkdirAll(d.Path(path), defaultDirPerm); err != nil {
- return err
- }
- for _, device := range resources.Devices {
- file := denyDeviceFile
- if device.Allow {
- file = allowDeviceFile
- }
- if device.Type == "" {
- device.Type = "a"
- }
- if err := ioutil.WriteFile(
- filepath.Join(d.Path(path), file),
- []byte(deviceString(device)),
- defaultFilePerm,
- ); err != nil {
- return err
- }
- }
- return nil
-}
-
-func (d *devicesController) Update(path string, resources *specs.LinuxResources) error {
- return d.Create(path, resources)
-}
-
-func deviceString(device specs.LinuxDeviceCgroup) string {
- return fmt.Sprintf("%s %s:%s %s",
- device.Type,
- deviceNumber(device.Major),
- deviceNumber(device.Minor),
- device.Access,
- )
-}
-
-func deviceNumber(number *int64) string {
- if number == nil || *number == wildcard {
- return "*"
- }
- return fmt.Sprint(*number)
-}