runc/libcontainer/integration/init_test.go

81 lines
1.7 KiB
Go

package integration
import (
"fmt"
"os"
"os/exec"
"runtime"
"strconv"
"testing"
"github.com/Sirupsen/logrus"
"github.com/opencontainers/runc/libcontainer"
"github.com/opencontainers/runc/libcontainer/cgroups/systemd"
_ "github.com/opencontainers/runc/libcontainer/nsenter"
)
// init runs the libcontainer initialization code because of the busybox style needs
// to work around the go runtime and the issues with forking
func init() {
if len(os.Args) < 2 || os.Args[1] != "init" {
return
}
runtime.GOMAXPROCS(1)
runtime.LockOSThread()
factory, err := libcontainer.New("")
if err != nil {
logrus.Fatalf("unable to initialize for container: %s", err)
}
if err := factory.StartInitialization(); err != nil {
// return proper unix error codes
if exerr, ok := err.(*exec.Error); ok {
switch exerr.Err {
case os.ErrPermission:
fmt.Fprintln(os.Stderr, err)
os.Exit(126)
case exec.ErrNotFound:
fmt.Fprintln(os.Stderr, err)
os.Exit(127)
default:
if os.IsNotExist(exerr.Err) {
fmt.Fprintf(os.Stderr, "exec: %s: %v\n", strconv.Quote(exerr.Name), os.ErrNotExist)
os.Exit(127)
}
}
}
logrus.Fatal(err)
}
panic("init: init failed to start contianer")
}
var (
factory libcontainer.Factory
systemdFactory libcontainer.Factory
)
func TestMain(m *testing.M) {
var (
err error
ret int = 0
)
logrus.SetOutput(os.Stderr)
logrus.SetLevel(logrus.InfoLevel)
factory, err = libcontainer.New(".", libcontainer.Cgroupfs)
if err != nil {
logrus.Error(err)
os.Exit(1)
}
if systemd.UseSystemd() {
systemdFactory, err = libcontainer.New(".", libcontainer.SystemdCgroups)
if err != nil {
logrus.Error(err)
os.Exit(1)
}
}
ret = m.Run()
os.Exit(ret)
}