//TODO(jdef) unit test this, ensure that task's copy of api.Pod is not modified
func (b *binder) prepareTaskForLaunch(ctx api.Context, machine string, task *podtask.T, offerId string) error {
pod := task.Pod
// we make an effort here to avoid making changes to the task's copy of the pod, since
// we want that to reflect the initial user spec, and not the modified spec that we
// build for the executor to consume.
oemCt := pod.Spec.Containers
pod.Spec.Containers = append([]api.Container{}, oemCt...) // (shallow) clone before mod
if pod.Annotations == nil {
pod.Annotations = make(map[string]string)
} else {
oemAnn := pod.Annotations
pod.Annotations = make(map[string]string)
for k, v := range oemAnn {
pod.Annotations[k] = v
}
}
pod.Annotations[annotation.BindingHostKey] = machine
task.SaveRecoveryInfo(pod.Annotations)
for _, entry := range task.Spec.PortMap {
oemPorts := pod.Spec.Containers[entry.ContainerIdx].Ports
ports := append([]api.ContainerPort{}, oemPorts...)
p := &ports[entry.PortIdx]
p.HostPort = int(entry.OfferPort)
op := strconv.FormatUint(entry.OfferPort, 10)
pod.Annotations[fmt.Sprintf(annotation.PortMappingKeyFormat, p.Protocol, p.ContainerPort)] = op
if p.Name != "" {
pod.Annotations[fmt.Sprintf(annotation.PortNameMappingKeyFormat, p.Protocol, p.Name)] = op
}
pod.Spec.Containers[entry.ContainerIdx].Ports = ports
}
// the kubelet-executor uses this to instantiate the pod
log.V(3).Infof("prepared pod spec: %+v", pod)
data, err := api.Codec.Encode(&pod)
if err != nil {
log.V(2).Infof("Failed to marshal the pod spec: %v", err)
return err
}
task.Spec.Data = data
return nil
}
