runc/integration/init_test.go

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package integration
import (
"log"
"os"
"runtime"
"github.com/docker/libcontainer/namespaces"
"github.com/docker/libcontainer/syncpipe"
)
// 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.LockOSThread()
container, err := loadConfig()
if err != nil {
log.Fatal(err)
}
rootfs, err := os.Getwd()
if err != nil {
log.Fatal(err)
}
syncPipe, err := syncpipe.NewSyncPipeFromFd(0, 3)
if err != nil {
log.Fatalf("unable to create sync pipe: %s", err)
}
if err := namespaces.Init(container, rootfs, "", syncPipe, os.Args[3:]); err != nil {
log.Fatalf("unable to initialize for container: %s", err)
}
os.Exit(1)
}