func (r *libcontainerRuntime) Create(id, bundlePath, consolePath string) (runtime.Container, *runtime.IO, error) {
spec, rspec, err := r.loadSpec(
filepath.Join(bundlePath, "config.json"),
filepath.Join(bundlePath, "runtime.json"),
)
if err != nil {
return nil, nil, err
}
config, err := r.createLibcontainerConfig(id, bundlePath, spec, rspec)
if err != nil {
return nil, nil, err
}
container, err := r.factory.Create(id, config)
if err != nil {
return nil, nil, fmt.Errorf("create container: %v", err)
}
process, err := r.newProcess(spec.Process)
if err != nil {
return nil, nil, err
}
var rio runtime.IO
if spec.Process.Terminal {
if err := process.ConsoleFromPath(consolePath); err != nil {
return nil, nil, err
}
} else {
uid, err := config.HostUID()
if err != nil {
return nil, nil, err
}
i, err := process.InitializeIO(uid)
if err != nil {
return nil, nil, err
}
rio.Stdin = i.Stdin
rio.Stderr = i.Stderr
rio.Stdout = i.Stdout
}
c := &libcontainerContainer{
c: container,
additionalProcesses: make(map[int]*libcontainerProcess),
initProcess: &libcontainerProcess{
process: process,
spec: spec.Process,
},
path: bundlePath,
}
return c, &rio, nil
}
func (r *libcontainerRuntime) StartProcess(ci runtime.Container, p specs.Process, consolePath string) (runtime.Process, *runtime.IO, error) {
c, ok := ci.(*libcontainerContainer)
if !ok {
return nil, nil, runtime.ErrInvalidContainerType
}
process, err := r.newProcess(p)
if err != nil {
return nil, nil, err
}
var rio runtime.IO
if p.Terminal {
if err := process.ConsoleFromPath(consolePath); err != nil {
return nil, nil, err
}
} else {
uid, err := c.c.Config().HostUID()
if err != nil {
return nil, nil, err
}
i, err := process.InitializeIO(uid)
if err != nil {
return nil, nil, err
}
rio.Stdin = i.Stdin
rio.Stderr = i.Stderr
rio.Stdout = i.Stdout
}
if err := c.c.Start(process); err != nil {
return nil, nil, err
}
lp := &libcontainerProcess{
process: process,
spec: p,
}
pid, err := process.Pid()
if err != nil {
return nil, nil, err
}
c.additionalProcesses[pid] = lp
return lp, &rio, nil
}