Esempio n. 1
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// 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
}
Esempio n. 2
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// 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
}
Esempio n. 3
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// 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
}
Esempio n. 4
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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
}
Esempio n. 5
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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
}
Esempio n. 6
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// GetPodControllers returns a list of replication controllers managing a pod. Returns an error only if no matching controllers are found.
func (s *StoreToReplicationControllerLister) GetPodControllers(pod *api.Pod) (controllers []api.ReplicationController, err error) {
	var selector labels.Selector
	var rc api.ReplicationController

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

	key := &api.ReplicationController{ObjectMeta: api.ObjectMeta{Namespace: pod.Namespace}}
	items, err := s.Indexer.Index(NamespaceIndex, key)
	if err != nil {
		return
	}

	for _, m := range items {
		rc = *m.(*api.ReplicationController)
		selector = labels.Set(rc.Spec.Selector).AsSelectorPreValidated()

		// If an rc with a nil or empty selector creeps in, it should match nothing, not everything.
		if selector.Empty() || !selector.Matches(labels.Set(pod.Labels)) {
			continue
		}
		controllers = append(controllers, rc)
	}
	if len(controllers) == 0 {
		err = fmt.Errorf("could not find controller for pod %s in namespace %s with labels: %v", pod.Name, pod.Namespace, pod.Labels)
	}
	return
}
Esempio n. 7
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// List returns a list of namespaces
func (i *IndexerToNamespaceLister) List(selector labels.Selector) (namespaces []*api.Namespace, err error) {
	for _, m := range i.Indexer.List() {
		namespace := m.(*api.Namespace)
		if selector.Matches(labels.Set(namespace.Labels)) {
			namespaces = append(namespaces, namespace)
		}
	}

	return namespaces, nil
}
Esempio n. 8
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func (s storeReplicaSetsNamespacer) List(selector labels.Selector) (rss []extensions.ReplicaSet, err error) {
	for _, c := range s.store.List() {
		rs := *(c.(*extensions.ReplicaSet))
		if s.namespace == api.NamespaceAll || s.namespace == rs.Namespace {
			if selector.Matches(labels.Set(rs.Labels)) {
				rss = append(rss, rs)
			}
		}
	}
	return
}
Esempio n. 9
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func ListAll(store Store, selector labels.Selector, appendFn AppendFunc) error {
	for _, m := range store.List() {
		metadata, err := meta.Accessor(m)
		if err != nil {
			return err
		}
		if selector.Matches(labels.Set(metadata.GetLabels())) {
			appendFn(m)
		}
	}
	return nil
}
Esempio n. 10
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// storeToDeploymentNamespacer lists deployments under its namespace in the store.
func (s storeToDeploymentNamespacer) List(selector labels.Selector) (deployments []extensions.Deployment, err error) {
	if s.namespace == api.NamespaceAll {
		for _, m := range s.indexer.List() {
			d := *(m.(*extensions.Deployment))
			if selector.Matches(labels.Set(d.Labels)) {
				deployments = append(deployments, d)
			}
		}
		return
	}

	key := &extensions.Deployment{ObjectMeta: api.ObjectMeta{Namespace: s.namespace}}
	items, err := s.indexer.Index(NamespaceIndex, key)
	if err != nil {
		// Ignore error; do slow search without index.
		glog.Warningf("can not retrieve list of objects using index : %v", err)
		for _, m := range s.indexer.List() {
			d := *(m.(*extensions.Deployment))
			if s.namespace == d.Namespace && selector.Matches(labels.Set(d.Labels)) {
				deployments = append(deployments, d)
			}
		}
		return deployments, nil
	}
	for _, m := range items {
		d := *(m.(*extensions.Deployment))
		if selector.Matches(labels.Set(d.Labels)) {
			deployments = append(deployments, d)
		}
	}
	return
}
Esempio n. 11
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func (s storeReplicationControllersNamespacer) List(selector labels.Selector) ([]api.ReplicationController, error) {
	controllers := []api.ReplicationController{}

	if s.namespace == api.NamespaceAll {
		for _, m := range s.indexer.List() {
			rc := *(m.(*api.ReplicationController))
			if selector.Matches(labels.Set(rc.Labels)) {
				controllers = append(controllers, rc)
			}
		}
		return controllers, nil
	}

	key := &api.ReplicationController{ObjectMeta: api.ObjectMeta{Namespace: s.namespace}}
	items, err := s.indexer.Index(NamespaceIndex, key)
	if err != nil {
		// Ignore error; do slow search without index.
		glog.Warningf("can not retrieve list of objects using index : %v", err)
		for _, m := range s.indexer.List() {
			rc := *(m.(*api.ReplicationController))
			if s.namespace == rc.Namespace && selector.Matches(labels.Set(rc.Labels)) {
				controllers = append(controllers, rc)
			}
		}
		return controllers, nil
	}
	for _, m := range items {
		rc := *(m.(*api.ReplicationController))
		if selector.Matches(labels.Set(rc.Labels)) {
			controllers = append(controllers, rc)
		}
	}
	return controllers, nil
}
Esempio n. 12
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func ListAllByNamespace(indexer Indexer, namespace string, selector labels.Selector, appendFn AppendFunc) error {
	if namespace == api.NamespaceAll {
		for _, m := range indexer.List() {
			metadata, err := meta.Accessor(m)
			if err != nil {
				return err
			}
			if selector.Matches(labels.Set(metadata.GetLabels())) {
				appendFn(m)
			}
		}
		return nil
	}

	items, err := indexer.Index(NamespaceIndex, api.ObjectMeta{Namespace: namespace})
	if err != nil {
		// Ignore error; do slow search without index.
		glog.Warningf("can not retrieve list of objects using index : %v", err)
		for _, m := range indexer.List() {
			metadata, err := meta.Accessor(m)
			if err != nil {
				return err
			}
			if metadata.GetNamespace() == namespace && selector.Matches(labels.Set(metadata.GetLabels())) {
				appendFn(m)
			}

		}
		return nil
	}
	for _, m := range items {
		metadata, err := meta.Accessor(m)
		if err != nil {
			return err
		}
		if selector.Matches(labels.Set(metadata.GetLabels())) {
			appendFn(m)
		}
	}

	return nil
}