Ejemplo n.º 1
0
// GetPodPetSets returns a list of PetSets managing a pod. Returns an error only if no matching PetSets are found.
func (s *StoreToPetSetLister) GetPodPetSets(pod *api.Pod) (psList []apps.PetSet, err error) {
	var selector labels.Selector
	var ps apps.PetSet

	if len(pod.Labels) == 0 {
		err = fmt.Errorf("no PetSets found for pod %v because it has no labels", pod.Name)
		return
	}

	for _, m := range s.Store.List() {
		ps = *m.(*apps.PetSet)
		if ps.Namespace != pod.Namespace {
			continue
		}
		selector, err = unversioned.LabelSelectorAsSelector(ps.Spec.Selector)
		if err != nil {
			err = fmt.Errorf("invalid selector: %v", err)
			return
		}

		// If a PetSet with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		psList = append(psList, ps)
	}
	if len(psList) == 0 {
		err = fmt.Errorf("could not find PetSet for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Ejemplo n.º 2
0
// GetPodPodDisruptionBudgets returns a list of PodDisruptionBudgets matching a pod.  Returns an error only if no matching PodDisruptionBudgets are found.
func (s *StoreToPodDisruptionBudgetLister) GetPodPodDisruptionBudgets(pod *api.Pod) (pdbList []policy.PodDisruptionBudget, err error) {
	var selector labels.Selector

	if len(pod.Labels) == 0 {
		err = fmt.Errorf("no PodDisruptionBudgets found for pod %v because it has no labels", pod.Name)
		return
	}

	for _, m := range s.Store.List() {
		pdb, ok := m.(*policy.PodDisruptionBudget)
		if !ok {
			glog.Errorf("Unexpected: %v is not a PodDisruptionBudget", m)
			continue
		}
		if pdb.Namespace != pod.Namespace {
			continue
		}
		selector, err = unversioned.LabelSelectorAsSelector(pdb.Spec.Selector)
		if err != nil {
			glog.Warningf("invalid selector: %v", err)
			// TODO(mml): add an event to the PDB
			continue
		}

		// If a PDB with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		pdbList = append(pdbList, *pdb)
	}
	if len(pdbList) == 0 {
		err = fmt.Errorf("could not find PodDisruptionBudget for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Ejemplo n.º 3
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// GetPodJobs returns a list of jobs managing a pod. Returns an error only if no matching jobs are found.
func (s *StoreToJobLister) GetPodJobs(pod *api.Pod) (jobs []batch.Job, err error) {
	var selector labels.Selector
	var job batch.Job

	if len(pod.Labels) == 0 {
		err = fmt.Errorf("no jobs found for pod %v because it has no labels", pod.Name)
		return
	}

	for _, m := range s.Store.List() {
		job = *m.(*batch.Job)
		if job.Namespace != pod.Namespace {
			continue
		}

		selector, _ = unversioned.LabelSelectorAsSelector(job.Spec.Selector)
		if !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		jobs = append(jobs, job)
	}
	if len(jobs) == 0 {
		err = fmt.Errorf("could not find jobs for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Ejemplo n.º 4
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// GetPodDaemonSets returns a list of daemon sets managing a pod.
// Returns an error if and only if no matching daemon sets are found.
func (s *StoreToDaemonSetLister) GetPodDaemonSets(pod *api.Pod) (daemonSets []extensions.DaemonSet, err error) {
	var selector labels.Selector
	var daemonSet extensions.DaemonSet

	if len(pod.Labels) == 0 {
		err = fmt.Errorf("no daemon sets found for pod %v because it has no labels", pod.Name)
		return
	}

	for _, m := range s.Store.List() {
		daemonSet = *m.(*extensions.DaemonSet)
		if daemonSet.Namespace != pod.Namespace {
			continue
		}
		selector, err = unversioned.LabelSelectorAsSelector(daemonSet.Spec.Selector)
		if err != nil {
			// this should not happen if the DaemonSet passed validation
			return nil, err
		}

		// If a daemonSet with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		daemonSets = append(daemonSets, daemonSet)
	}
	if len(daemonSets) == 0 {
		err = fmt.Errorf("could not find daemon set for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Ejemplo n.º 5
0
// GetPodReplicaSets returns a list of ReplicaSets managing a pod. Returns an error only if no matching ReplicaSets are found.
func (s *StoreToReplicaSetLister) GetPodReplicaSets(pod *api.Pod) (rss []extensions.ReplicaSet, err error) {
	var selector labels.Selector
	var rs extensions.ReplicaSet

	if len(pod.Labels) == 0 {
		err = fmt.Errorf("no ReplicaSets found for pod %v because it has no labels", pod.Name)
		return
	}

	for _, m := range s.Store.List() {
		rs = *m.(*extensions.ReplicaSet)
		if rs.Namespace != pod.Namespace {
			continue
		}
		selector, err = unversioned.LabelSelectorAsSelector(rs.Spec.Selector)
		if err != nil {
			err = fmt.Errorf("invalid selector: %v", err)
			return
		}

		// If a ReplicaSet with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		rss = append(rss, rs)
	}
	if len(rss) == 0 {
		err = fmt.Errorf("could not find ReplicaSet for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Ejemplo n.º 6
0
// GetDeploymentsForPods returns a list of deployments managing a pod. Returns an error only if no matching deployments are found.
func (s *StoreToDeploymentLister) GetDeploymentsForPod(pod *api.Pod) (deployments []extensions.Deployment, err error) {
	if len(pod.Labels) == 0 {
		err = fmt.Errorf("no deployments found for Pod %v because it has no labels", pod.Name)
		return
	}

	if len(pod.Labels[extensions.DefaultDeploymentUniqueLabelKey]) == 0 {
		return
	}

	dList, err := s.Deployments(pod.Namespace).List(labels.Everything())
	if err != nil {
		return
	}
	for _, d := range dList {
		selector, err := unversioned.LabelSelectorAsSelector(d.Spec.Selector)
		if err != nil {
			return nil, fmt.Errorf("invalid label selector: %v", err)
		}
		// If a deployment with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		deployments = append(deployments, d)
	}
	if len(deployments) == 0 {
		err = fmt.Errorf("could not find deployments set for Pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Ejemplo n.º 7
0
// GetDeploymentsForReplicaSet returns a list of deployments managing a replica set. Returns an error only if no matching deployments are found.
func (s *StoreToDeploymentLister) GetDeploymentsForReplicaSet(rs *extensions.ReplicaSet) (deployments []extensions.Deployment, err error) {
	if len(rs.Labels) == 0 {
		err = fmt.Errorf("no deployments found for ReplicaSet %v because it has no labels", rs.Name)
		return
	}

	// TODO: MODIFY THIS METHOD so that it checks for the podTemplateSpecHash label
	dList, err := s.Deployments(rs.Namespace).List(labels.Everything())
	if err != nil {
		return
	}
	for _, d := range dList {
		selector, err := unversioned.LabelSelectorAsSelector(d.Spec.Selector)
		if err != nil {
			return nil, fmt.Errorf("invalid label selector: %v", err)
		}
		// If a deployment with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(rs.Labels)) {
			continue
		}
		deployments = append(deployments, d)
	}
	if len(deployments) == 0 {
		err = fmt.Errorf("could not find deployments set for ReplicaSet %s in namespace %s with labels: %v", rs.Name, rs.Namespace, rs.Labels)
	}
	return
}
Ejemplo n.º 8
0
func Convert_extensions_ScaleStatus_To_v1beta1_ScaleStatus(in *extensions.ScaleStatus, out *ScaleStatus, s conversion.Scope) error {
	out.Replicas = int32(in.Replicas)

	out.Selector = nil
	out.TargetSelector = ""
	if in.Selector != nil {
		if in.Selector.MatchExpressions == nil || len(in.Selector.MatchExpressions) == 0 {
			out.Selector = in.Selector.MatchLabels
		}

		selector, err := unversioned.LabelSelectorAsSelector(in.Selector)
		if err != nil {
			return fmt.Errorf("invalid label selector: %v", err)
		}
		out.TargetSelector = selector.String()
	}
	return nil
}