func (daemon *Daemon) StartPod(podId, podArgs, vmId string, config interface{}, lazy, autoremove bool, keep int) (int, string, error) {
var (
podData []byte
err error
mypod *hypervisor.Pod
vm *hypervisor.Vm = nil
)
if podArgs == "" {
var ok bool
mypod, ok = daemon.PodList[podId]
if !ok {
return -1, "", fmt.Errorf("Can not find the POD instance of %s", podId)
}
podData, err = daemon.GetPodByName(podId)
if err != nil {
return -1, "", err
}
} else {
podData = []byte(podArgs)
if err := daemon.CreatePod(podId, podArgs, nil, autoremove); err != nil {
glog.Error(err.Error())
return -1, "", err
}
mypod = daemon.PodList[podId]
}
userPod, err := pod.ProcessPodBytes(podData)
if err != nil {
return -1, "", err
}
defer func() {
if vm != nil && err != nil && vmId == "" {
daemon.KillVm(vm.Id)
}
}()
if vmId == "" {
glog.V(1).Infof("The config: kernel=%s, initrd=%s", daemon.Kernel, daemon.Initrd)
var (
cpu = 1
mem = 128
)
if userPod.Resource.Vcpu > 0 {
cpu = userPod.Resource.Vcpu
}
if userPod.Resource.Memory > 0 {
mem = userPod.Resource.Memory
}
b := &hypervisor.BootConfig{
CPU: cpu,
Memory: mem,
Kernel: daemon.Kernel,
Initrd: daemon.Initrd,
Bios: daemon.Bios,
Cbfs: daemon.Cbfs,
Vbox: daemon.VboxImage,
}
vm = daemon.NewVm("", cpu, mem, lazy, keep)
err = vm.Launch(b)
if err != nil {
return -1, "", err
}
daemon.AddVm(vm)
} else {
var ok bool
vm, ok = daemon.VmList[vmId]
if !ok {
err = fmt.Errorf("The VM %s doesn't exist", vmId)
return -1, "", err
}
/* FIXME: check if any pod is running on this vm? */
glog.Infof("find vm:%s", vm.Id)
if userPod.Resource.Vcpu != vm.Cpu {
err = fmt.Errorf("The new pod's cpu setting is different with the VM's cpu")
return -1, "", err
}
if userPod.Resource.Memory != vm.Mem {
err = fmt.Errorf("The new pod's memory setting is different with the VM's memory")
return -1, "", err
}
}
fmt.Printf("POD id is %s\n", podId)
containerInfoList, volumeInfoList, err := daemon.ParsePod(mypod, userPod, vm.Id)
if err != nil {
return -1, "", err
}
vmResponse := vm.StartPod(mypod, userPod, containerInfoList, volumeInfoList)
if vmResponse.Data == nil {
err = fmt.Errorf("VM response data is nil")
return vmResponse.Code, vmResponse.Cause, err
}
data := vmResponse.Data.([]byte)
err = daemon.UpdateVmData(vm.Id, data)
if err != nil {
glog.Error(err.Error())
return -1, "", err
}
// add or update the Vm info for POD
if err := daemon.UpdateVmByPod(podId, vm.Id); err != nil {
glog.Error(err.Error())
return -1, "", err
}
// XXX we should not close vmStatus chan, it will be closed in shutdown process
return vmResponse.Code, vmResponse.Cause, nil
}
