Merge pull request #3374 from giuseppe/cgroups

cgroups: add initial support for cgroups v2

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)
-}