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authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2023-04-03 11:16:17 +0200
committerLibravatar GitHub <noreply@github.com>2023-04-03 11:16:17 +0200
commit57dc742c76d7876a2457594715a7b5bc2c9a92bd (patch)
tree76be1ec744face5bf4f617d4c9fca084707e4268 /vendor/github.com/containerd/cgroups/v3/cgroup1/devices.go
parent[bugfix/frontend] Preload css styles (#1638) (diff)
downloadgotosocial-57dc742c76d7876a2457594715a7b5bc2c9a92bd.tar.xz
[chore]: Bump github.com/KimMachineGun/automemlimit from 0.2.4 to 0.2.5 (#1666)
Bumps [github.com/KimMachineGun/automemlimit](https://github.com/KimMachineGun/automemlimit) from 0.2.4 to 0.2.5. - [Release notes](https://github.com/KimMachineGun/automemlimit/releases) - [Commits](https://github.com/KimMachineGun/automemlimit/compare/v0.2.4...v0.2.5) --- updated-dependencies: - dependency-name: github.com/KimMachineGun/automemlimit dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Diffstat (limited to 'vendor/github.com/containerd/cgroups/v3/cgroup1/devices.go')
-rw-r--r--vendor/github.com/containerd/cgroups/v3/cgroup1/devices.go92
1 files changed, 92 insertions, 0 deletions
diff --git a/vendor/github.com/containerd/cgroups/v3/cgroup1/devices.go b/vendor/github.com/containerd/cgroups/v3/cgroup1/devices.go
new file mode 100644
index 000000000..80d76fa30
--- /dev/null
+++ b/vendor/github.com/containerd/cgroups/v3/cgroup1/devices.go
@@ -0,0 +1,92 @@
+/*
+ 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 cgroup1
+
+import (
+ "fmt"
+ "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 := os.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)
+}