containerd/runtime/v1/shim/client/client_linux.go
Sebastiaan van Stijn c091d48cb9
Use cgroups.AddProc() for cgroups v1
All occurrences only passed a PID, so we can use this utility to make
the code more symmetrical with their cgroups v2 counterparts.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2022-03-23 15:25:09 +01:00

43 lines
1.1 KiB
Go

/*
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 client
import (
"fmt"
"syscall"
"github.com/containerd/cgroups"
exec "golang.org/x/sys/execabs"
)
func getSysProcAttr() *syscall.SysProcAttr {
return &syscall.SysProcAttr{
Setpgid: true,
}
}
func setCgroup(cgroupPath string, cmd *exec.Cmd) error {
cg, err := cgroups.Load(cgroups.V1, cgroups.StaticPath(cgroupPath))
if err != nil {
return fmt.Errorf("failed to load cgroup %s: %w", cgroupPath, err)
}
if err := cg.AddProc(uint64(cmd.Process.Pid)); err != nil {
return fmt.Errorf("failed to join cgroup %s: %w", cgroupPath, err)
}
return nil
}