Ejemplo n.º 1
0
func (r RealPodControl) createReplica(namespace string, controller api.ReplicationController) {
	desiredLabels := make(labels.Set)
	for k, v := range controller.Spec.Template.Labels {
		desiredLabels[k] = v
	}
	desiredAnnotations := make(labels.Set)
	for k, v := range controller.Spec.Template.Annotations {
		desiredAnnotations[k] = v
	}

	// use the dash (if the name isn't too long) to make the pod name a bit prettier
	prefix := fmt.Sprintf("%s-", controller.Name)
	if ok, _ := validation.ValidatePodName(prefix, true); !ok {
		prefix = controller.Name
	}

	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Labels:       desiredLabels,
			Annotations:  desiredAnnotations,
			GenerateName: prefix,
		},
	}
	if err := api.Scheme.Convert(&controller.Spec.Template.Spec, &pod.Spec); err != nil {
		util.HandleError(fmt.Errorf("unable to convert pod template: %v", err))
		return
	}
	if labels.Set(pod.Labels).AsSelector().Empty() {
		util.HandleError(fmt.Errorf("unable to create pod replica, no labels"))
		return
	}
	if _, err := r.kubeClient.Pods(namespace).Create(pod); err != nil {
		util.HandleError(fmt.Errorf("unable to create pod replica: %v", err))
	}
}
Ejemplo n.º 2
0
func getReplicaPrefix(controllerName string) string {
	// use the dash (if the name isn't too long) to make the pod name a bit prettier
	prefix := fmt.Sprintf("%s-", controllerName)
	if ok, _ := validation.ValidatePodName(prefix, true); !ok {
		prefix = controllerName
	}
	return prefix
}
Ejemplo n.º 3
0
func (r RealPodControl) createReplica(namespace string, controller *api.ReplicationController) error {
	desiredLabels := make(labels.Set)
	for k, v := range controller.Spec.Template.Labels {
		desiredLabels[k] = v
	}
	desiredAnnotations := make(labels.Set)
	for k, v := range controller.Spec.Template.Annotations {
		desiredAnnotations[k] = v
	}

	createdByRef, err := api.GetReference(controller)
	if err != nil {
		return fmt.Errorf("unable to get controller reference: %v", err)
	}
	createdByRefJson, err := latest.Codec.Encode(&api.SerializedReference{
		Reference: *createdByRef,
	})
	if err != nil {
		return fmt.Errorf("unable to serialize controller reference: %v", err)
	}

	desiredAnnotations[CreatedByAnnotation] = string(createdByRefJson)

	// use the dash (if the name isn't too long) to make the pod name a bit prettier
	prefix := fmt.Sprintf("%s-", controller.Name)
	if ok, _ := validation.ValidatePodName(prefix, true); !ok {
		prefix = controller.Name
	}

	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Labels:       desiredLabels,
			Annotations:  desiredAnnotations,
			GenerateName: prefix,
		},
	}
	if err := api.Scheme.Convert(&controller.Spec.Template.Spec, &pod.Spec); err != nil {
		return fmt.Errorf("unable to convert pod template: %v", err)
	}
	if labels.Set(pod.Labels).AsSelector().Empty() {
		return fmt.Errorf("unable to create pod replica, no labels")
	}
	if newPod, err := r.kubeClient.Pods(namespace).Create(pod); err != nil {
		r.recorder.Eventf(controller, "failedCreate", "Error creating: %v", err)
		return fmt.Errorf("unable to create pod replica: %v", err)
	} else {
		glog.V(4).Infof("Controller %v created pod %v", controller.Name, newPod.Name)
		r.recorder.Eventf(controller, "successfulCreate", "Created pod: %v", newPod.Name)
	}
	return nil
}