// 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
}
// 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
}
func addDefaultingFuncs(scheme *runtime.Scheme) error {
return scheme.AddDefaultingFuncs(
func(obj *ListOptions) {
if obj.LabelSelector == nil {
obj.LabelSelector = labels.Everything()
}
if obj.FieldSelector == nil {
obj.FieldSelector = fields.Everything()
}
},
)
}
func init() {
Scheme.AddDefaultingFuncs(
func(obj *ListOptions) {
if obj.LabelSelector == nil {
obj.LabelSelector = labels.Everything()
}
if obj.FieldSelector == nil {
obj.FieldSelector = fields.Everything()
}
},
)
Scheme.AddConversionFuncs(
Convert_unversioned_TypeMeta_To_unversioned_TypeMeta,
Convert_unversioned_ListMeta_To_unversioned_ListMeta,
Convert_intstr_IntOrString_To_intstr_IntOrString,
Convert_unversioned_Time_To_unversioned_Time,
Convert_Slice_string_To_unversioned_Time,
Convert_resource_Quantity_To_resource_Quantity,
Convert_string_To_labels_Selector,
Convert_labels_Selector_To_string,
Convert_string_To_fields_Selector,
Convert_fields_Selector_To_string,
Convert_Pointer_bool_To_bool,
Convert_bool_To_Pointer_bool,
Convert_Pointer_string_To_string,
Convert_string_To_Pointer_string,
Convert_Pointer_int64_To_int,
Convert_int_To_Pointer_int64,
Convert_Pointer_int32_To_int32,
Convert_int32_To_Pointer_int32,
Convert_Pointer_float64_To_float64,
Convert_float64_To_Pointer_float64,
Convert_map_to_unversioned_LabelSelector,
Convert_unversioned_LabelSelector_to_map,
)
}
func NewRootListAction(resource unversioned.GroupVersionResource, opts api.ListOptions) ListActionImpl {
action := ListActionImpl{}
action.Verb = "list"
action.Resource = resource
labelSelector := opts.LabelSelector
if labelSelector == nil {
labelSelector = labels.Everything()
}
fieldSelector := opts.FieldSelector
if fieldSelector == nil {
fieldSelector = fields.Everything()
}
action.ListRestrictions = ListRestrictions{labelSelector, fieldSelector}
return action
}
func NewRootWatchAction(resource unversioned.GroupVersionResource, opts api.ListOptions) WatchActionImpl {
action := WatchActionImpl{}
action.Verb = "watch"
action.Resource = resource
labelSelector := opts.LabelSelector
if labelSelector == nil {
labelSelector = labels.Everything()
}
fieldSelector := opts.FieldSelector
if fieldSelector == nil {
fieldSelector = fields.Everything()
}
action.WatchRestrictions = WatchRestrictions{labelSelector, fieldSelector, opts.ResourceVersion}
return action
}
func NewDeleteCollectionAction(resource unversioned.GroupVersionResource, namespace string, opts api.ListOptions) DeleteCollectionActionImpl {
action := DeleteCollectionActionImpl{}
action.Verb = "delete-collection"
action.Resource = resource
action.Namespace = namespace
labelSelector := opts.LabelSelector
if labelSelector == nil {
labelSelector = labels.Everything()
}
fieldSelector := opts.FieldSelector
if fieldSelector == nil {
fieldSelector = fields.Everything()
}
action.ListRestrictions = ListRestrictions{labelSelector, fieldSelector}
return action
}
func (c *FakeThirdPartyResources) List(opts api.ListOptions) (result *v1beta1.ThirdPartyResourceList, err error) {
obj, err := c.Fake.
Invokes(testing.NewRootListAction(thirdpartyresourcesResource, opts), &v1beta1.ThirdPartyResourceList{})
if obj == nil {
return nil, err
}
label := opts.LabelSelector
if label == nil {
label = labels.Everything()
}
list := &v1beta1.ThirdPartyResourceList{}
for _, item := range obj.(*v1beta1.ThirdPartyResourceList).Items {
if label.Matches(labels.Set(item.Labels)) {
list.Items = append(list.Items, item)
}
}
return list, err
}
func (c *FakeCertificateSigningRequests) List(opts api.ListOptions) (result *v1alpha1.CertificateSigningRequestList, err error) {
obj, err := c.Fake.
Invokes(testing.NewRootListAction(certificatesigningrequestsResource, opts), &v1alpha1.CertificateSigningRequestList{})
if obj == nil {
return nil, err
}
label := opts.LabelSelector
if label == nil {
label = labels.Everything()
}
list := &v1alpha1.CertificateSigningRequestList{}
for _, item := range obj.(*v1alpha1.CertificateSigningRequestList).Items {
if label.Matches(labels.Set(item.Labels)) {
list.Items = append(list.Items, item)
}
}
return list, err
}
func (c *FakeHorizontalPodAutoscalers) List(opts api.ListOptions) (result *v1beta1.HorizontalPodAutoscalerList, err error) {
obj, err := c.Fake.
Invokes(testing.NewListAction(horizontalpodautoscalersResource, c.ns, opts), &v1beta1.HorizontalPodAutoscalerList{})
if obj == nil {
return nil, err
}
label := opts.LabelSelector
if label == nil {
label = labels.Everything()
}
list := &v1beta1.HorizontalPodAutoscalerList{}
for _, item := range obj.(*v1beta1.HorizontalPodAutoscalerList).Items {
if label.Matches(labels.Set(item.Labels)) {
list.Items = append(list.Items, item)
}
}
return list, err
}
func (c *FakeConfigMaps) List(opts api.ListOptions) (result *v1.ConfigMapList, err error) {
obj, err := c.Fake.
Invokes(testing.NewListAction(configmapsResource, c.ns, opts), &v1.ConfigMapList{})
if obj == nil {
return nil, err
}
label := opts.LabelSelector
if label == nil {
label = labels.Everything()
}
list := &v1.ConfigMapList{}
for _, item := range obj.(*v1.ConfigMapList).Items {
if label.Matches(labels.Set(item.Labels)) {
list.Items = append(list.Items, item)
}
}
return list, err
}
// LabelSelectorAsSelector converts the LabelSelector api type into a struct that implements
// labels.Selector
// Note: This function should be kept in sync with the selector methods in pkg/labels/selector.go
func LabelSelectorAsSelector(ps *LabelSelector) (labels.Selector, error) {
if ps == nil {
return labels.Nothing(), nil
}
if len(ps.MatchLabels)+len(ps.MatchExpressions) == 0 {
return labels.Everything(), nil
}
selector := labels.NewSelector()
for k, v := range ps.MatchLabels {
r, err := labels.NewRequirement(k, labels.EqualsOperator, sets.NewString(v))
if err != nil {
return nil, err
}
selector = selector.Add(*r)
}
for _, expr := range ps.MatchExpressions {
var op labels.Operator
switch expr.Operator {
case LabelSelectorOpIn:
op = labels.InOperator
case LabelSelectorOpNotIn:
op = labels.NotInOperator
case LabelSelectorOpExists:
op = labels.ExistsOperator
case LabelSelectorOpDoesNotExist:
op = labels.DoesNotExistOperator
default:
return nil, fmt.Errorf("%q is not a valid pod selector operator", expr.Operator)
}
r, err := labels.NewRequirement(expr.Key, op, sets.NewString(expr.Values...))
if err != nil {
return nil, err
}
selector = selector.Add(*r)
}
return selector, nil
}
