func createHyperPod(f factory.Factory, spec *specs.Spec, defaultCpus int, defaultMemory int) (*HyperPod, error) {
podId := fmt.Sprintf("pod-%s", pod.RandStr(10, "alpha"))
userPod := pod.ConvertOCF2PureUserPod(spec)
podStatus := hypervisor.NewPod(podId, userPod, nil)
cpu := defaultCpus
if userPod.Resource.Vcpu > 0 {
cpu = userPod.Resource.Vcpu
}
mem := defaultMemory
if userPod.Resource.Memory > 0 {
mem = userPod.Resource.Memory
}
kernel := chooseKernel(spec)
initrd := chooseInitrd(spec)
glog.V(3).Infof("Using kernel: %s; Initrd: %s; vCPU: %d; Memory %d", kernel, initrd, cpu, mem)
var (
vm *hypervisor.Vm
err error
)
if len(kernel) == 0 && len(initrd) == 0 {
vm, err = f.GetVm(cpu, mem)
if err != nil {
glog.V(1).Infof("Create VM failed with default kernel config: %s", err.Error())
return nil, err
}
glog.V(3).Infof("Creating VM with default kernel config")
} else if len(kernel) == 0 || len(initrd) == 0 {
// if user specify a kernel, they must specify an initrd at the same time
return nil, fmt.Errorf("You must specify an initrd if you specify a kernel, or vice-versa")
} else {
boot := &hypervisor.BootConfig{
CPU: cpu,
Memory: mem,
Kernel: kernel,
Initrd: initrd,
}
vm, err = hypervisor.GetVm("", boot, true, false)
if err != nil {
glog.V(1).Infof("Create VM failed: %s", err.Error())
return nil, err
}
glog.V(3).Infof("Creating VM with specific kernel config")
}
Response := vm.StartPod(podStatus, userPod, nil, nil)
if Response.Data == nil {
vm.Kill()
glog.V(1).Infof("StartPod fail: QEMU response data is nil\n")
return nil, fmt.Errorf("StartPod fail")
}
glog.V(1).Infof("result: code %d %s\n", Response.Code, Response.Cause)
hp := &HyperPod{
userPod: userPod,
podStatus: podStatus,
vm: vm,
Containers: make(map[string]*Container),
Processes: make(map[string]*Process),
}
// create Listener process running in its own netns
if err = hp.startNsListener(); err != nil {
hp.reap()
glog.V(1).Infof("start ns listener fail: %s\n", err.Error())
return nil, err
}
return hp, nil
}
func startRunvPod(context *nsContext, config *startConfig) (err error) {
context.lock.Lock()
defer context.lock.Unlock()
if context.firstConfig == nil {
context.firstConfig = config
} else {
// check stopped
if len(context.actives) == 0 {
return fmt.Errorf("The namespace service was stopped")
}
// check match
if config.Root != "" && config.Root != context.firstConfig.Root {
return fmt.Errorf("The root is not match")
}
if config.Driver != "" && config.Driver != context.firstConfig.Driver {
return fmt.Errorf("The driver is not match")
}
if config.Kernel != "" && config.Kernel != context.firstConfig.Kernel {
return fmt.Errorf("The kernel is not match")
}
if config.Initrd != "" && config.Initrd != context.firstConfig.Initrd {
return fmt.Errorf("The initrd is not match")
}
if config.Vbox != "" && config.Vbox != context.firstConfig.Vbox {
return fmt.Errorf("The vbox is not match")
}
// check shared namespace
for _, ns := range config.LinuxRuntimeSpec.Linux.Namespaces {
if ns.Path == "" {
continue
}
_, ok := context.actives[ns.Path]
if !ok {
return fmt.Errorf("Cann't share namespace with: %s", ns.Path)
}
}
// OK, the pod has been started, add this config and return
context.actives[config.Name] = config
return nil
}
hypervisor.InterfaceCount = 0
driver := config.Driver
if hypervisor.HDriver, err = driverloader.Probe(driver); err != nil {
fmt.Printf("%s\n", err.Error())
return err
}
context.podId = fmt.Sprintf("pod-%s", pod.RandStr(10, "alpha"))
context.vmId = fmt.Sprintf("vm-%s", pod.RandStr(10, "alpha"))
context.userPod = pod.ConvertOCF2PureUserPod(&config.LinuxSpec, &config.LinuxRuntimeSpec)
context.podStatus = hypervisor.NewPod(context.podId, context.userPod)
context.vm, err = startVm(config, context.userPod, context.vmId)
if err != nil {
fmt.Printf("%s\n", err.Error())
return err
}
Response := context.vm.StartPod(context.podStatus, context.userPod, nil, nil)
if Response.Data == nil {
fmt.Printf("StartPod fail: QEMU response data is nil\n")
return fmt.Errorf("StartPod fail")
}
fmt.Printf("result: code %d %s\n", Response.Code, Response.Cause)
context.actives[config.Name] = config
return nil
}
