Runtime v2

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

runtime/v1/shim/client/client_linux.go

@@ -0,0 +1,46 @@
+// +build linux
+
+/*
+   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 (
+	"os/exec"
+	"syscall"
+
+	"github.com/containerd/cgroups"
+	"github.com/pkg/errors"
+)
+
+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 errors.Wrapf(err, "failed to load cgroup %s", cgroupPath)
+	}
+	if err := cg.Add(cgroups.Process{
+		Pid: cmd.Process.Pid,
+	}); err != nil {
+		return errors.Wrapf(err, "failed to join cgroup %s", cgroupPath)
+	}
+	return nil
+}