// WatchControllers begins watching for new, changed, or deleted controllers.
func (r *Registry) WatchControllers(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
if !field.Empty() {
return nil, fmt.Errorf("field selectors are not supported on replication controllers")
}
version, err := tools.ParseWatchResourceVersion(resourceVersion, "replicationControllers")
if err != nil {
return nil, err
}
key := makeControllerListKey(ctx)
return r.WatchList(key, version, func(obj runtime.Object) bool {
controller, ok := obj.(*api.ReplicationController)
if !ok {
// Must be an error: return true to propagate to upper level.
return true
}
match := label.Matches(labels.Set(controller.Labels))
if match {
pods, err := r.pods.ListPods(ctx, labels.Set(controller.Spec.Selector).AsSelector())
if err != nil {
glog.Warningf("Error listing pods: %v", err)
// No object that's useable so drop it on the floor
return false
}
if pods == nil {
glog.Warningf("Pods list is nil. This should never happen...")
// No object that's useable so drop it on the floor
return false
}
controller.Status.Replicas = len(pods.Items)
}
return match
})
}
// Matchtoken returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
clientObj, ok := obj.(*api.OAuthClientAuthorization)
if !ok {
return false, fmt.Errorf("not a client authorization")
}
fields := SelectableFields(clientObj)
return label.Matches(labels.Set(clientObj.Labels)) && field.Matches(fields), nil
})
}
// Matchtoken returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
tokenObj, ok := obj.(*api.OAuthAccessToken)
if !ok {
return false, fmt.Errorf("not a token")
}
fields := SelectableFields(tokenObj)
return label.Matches(labels.Set(tokenObj.Labels)) && field.Matches(fields), nil
})
}
// MatchIdentity returns a generic matcher for a given label and field selector.
func MatchIdentity(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
identityObj, ok := obj.(*api.Identity)
if !ok {
return false, fmt.Errorf("not an identity")
}
fields := IdentityToSelectableFields(identityObj)
return label.Matches(labels.Set(identityObj.Labels)) && field.Matches(fields), nil
})
}
// MatchPersistentVolumeClaim returns a generic matcher for a given label and field selector.
func MatchPersistentVolumeClaim(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
persistentvolumeclaimObj, ok := obj.(*api.PersistentVolumeClaim)
if !ok {
return false, fmt.Errorf("not a persistentvolumeclaim")
}
fields := PersistentVolumeClaimToSelectableFields(persistentvolumeclaimObj)
return label.Matches(labels.Set(persistentvolumeclaimObj.Labels)) && field.Matches(fields), nil
})
}
// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
sa, ok := obj.(*api.ServiceAccount)
if !ok {
return false, fmt.Errorf("not a serviceaccount")
}
fields := SelectableFields(sa)
return label.Matches(labels.Set(sa.Labels)) && field.Matches(fields), nil
})
}
// MatchImageStream returns a generic matcher for a given label and field selector.
func MatchImageStream(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
ir, ok := obj.(*api.ImageStream)
if !ok {
return false, fmt.Errorf("not an ImageStream")
}
fields := ImageStreamToSelectableFields(ir)
return label.Matches(labels.Set(ir.Labels)) && field.Matches(fields), nil
})
}
// MatchResourceQuota returns a generic matcher for a given label and field selector.
func MatchResourceQuota(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
resourcequotaObj, ok := obj.(*api.ResourceQuota)
if !ok {
return false, fmt.Errorf("not a resourcequota")
}
fields := ResourceQuotaToSelectableFields(resourcequotaObj)
return label.Matches(labels.Set(resourcequotaObj.Labels)) && field.Matches(fields), nil
})
}
// MatchNamespace returns a generic matcher for a given label and field selector.
func MatchNamespace(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
namespaceObj, ok := obj.(*api.Namespace)
if !ok {
return false, fmt.Errorf("not a namespace")
}
fields := NamespaceToSelectableFields(namespaceObj)
return label.Matches(labels.Set(namespaceObj.Labels)) && field.Matches(fields), nil
})
}
// MatchPod returns a generic matcher for a given label and field selector.
func MatchPod(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
podObj, ok := obj.(*api.Pod)
if !ok {
return false, fmt.Errorf("not a pod")
}
fields := PodToSelectableFields(podObj)
return label.Matches(labels.Set(podObj.Labels)) && field.Matches(fields), nil
})
}
// List obtains a list of ReplicationControllers that match selector.
func (s *storage) ListControllers(ctx api.Context, label labels.Selector, field fields.Selector) (*api.ReplicationControllerList, error) {
if !field.Empty() {
return nil, fmt.Errorf("field selector not supported yet")
}
obj, err := s.List(ctx, label, field)
if err != nil {
return nil, err
}
return obj.(*api.ReplicationControllerList), err
}
// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
scc, ok := obj.(*api.SecurityContextConstraints)
if !ok {
return false, fmt.Errorf("not a securitycontextconstraint")
}
fields := SelectableFields(scc)
return label.Matches(labels.Set(scc.Labels)) && field.Matches(fields), nil
})
}
// MatchUser returns a generic matcher for a given label and field selector.
func MatchUser(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
userObj, ok := obj.(*api.User)
if !ok {
return false, fmt.Errorf("not a user")
}
fields := UserToSelectableFields(userObj)
return label.Matches(labels.Set(userObj.Labels)) && field.Matches(fields), nil
})
}
// MatchGroup returns a generic matcher for a given label and field selector.
func MatchGroup(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
groupObj, ok := obj.(*api.Group)
if !ok {
return false, fmt.Errorf("not a group")
}
fields := GroupToSelectableFields(groupObj)
return label.Matches(labels.Set(groupObj.Labels)) && field.Matches(fields), nil
})
}
func (c *readOnlyClusterPolicyCache) List(label labels.Selector, field fields.Selector) (*authorizationapi.ClusterPolicyList, error) {
clusterPolicyList := &authorizationapi.ClusterPolicyList{}
returnedList := c.indexer.List()
for i := range returnedList {
clusterPolicy, castOK := returnedList[i].(*authorizationapi.ClusterPolicy)
if !castOK {
return clusterPolicyList, errors.NewInvalid("ClusterPolicy", "clusterPolicy", []error{})
}
if label.Matches(labels.Set(clusterPolicy.Labels)) && field.Matches(ClusterPolicyToSelectableFields(clusterPolicy)) {
clusterPolicyList.Items = append(clusterPolicyList.Items, *clusterPolicy)
}
}
return clusterPolicyList, nil
}
// FieldsSelectorParam adds the given selector as a query parameter with the name paramName.
func (r *Request) FieldsSelectorParam(s fields.Selector) *Request {
if r.err != nil {
return r
}
if s.Empty() {
return r
}
s2, err := s.Transform(func(field, value string) (newField, newValue string, err error) {
return fieldMappings.filterField(r.apiVersion, r.resource, field, value)
})
if err != nil {
r.err = err
return r
}
return r.setParam(api.FieldSelectorQueryParam(r.apiVersion), s2.String())
}
// List obtains a list of ReplicationControllers that match selector.
func (rs *REST) List(ctx api.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
if !field.Empty() {
return nil, fmt.Errorf("field selector not supported yet")
}
controllers, err := rs.registry.ListControllers(ctx)
if err != nil {
return nil, err
}
filtered := []api.ReplicationController{}
for _, controller := range controllers.Items {
if label.Matches(labels.Set(controller.Labels)) {
filtered = append(filtered, controller)
}
}
controllers.Items = filtered
return controllers, err
}
// WatchBuildConfigs begins watching for new, changed, or deleted BuildConfigs.
func (r *Etcd) WatchBuildConfigs(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
version, err := tools.ParseWatchResourceVersion(resourceVersion, "buildConfig")
if err != nil {
return nil, err
}
return r.WatchList(makeBuildConfigListKey(ctx), version, func(obj runtime.Object) bool {
buildConfig, ok := obj.(*api.BuildConfig)
if !ok {
glog.Errorf("Unexpected object during %s/%s BuildConfig watch: %#v", buildConfig.Namespace, buildConfig.Name, obj)
return false
}
fields := labels.Set{
"metadata.name": buildConfig.Name,
}
return label.Matches(labels.Set(buildConfig.Labels)) && field.Matches(fields)
})
}
// WatchEndpoints begins watching for new, changed, or deleted endpoint configurations.
func (r *Registry) WatchEndpoints(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
version, err := tools.ParseWatchResourceVersion(resourceVersion, "endpoints")
if err != nil {
return nil, err
}
if !label.Empty() {
return nil, fmt.Errorf("label selectors are not supported on endpoints")
}
if value, found := field.RequiresExactMatch("name"); found {
key, err := makeServiceEndpointsKey(ctx, value)
if err != nil {
return nil, err
}
return r.Watch(key, version), nil
}
if field.Empty() {
return r.WatchList(makeServiceEndpointsListKey(ctx), version, tools.Everything)
}
return nil, fmt.Errorf("only the 'ID' and default (everything) field selectors are supported")
}
// WatchBuilds begins watching for new, changed, or deleted Builds.
func (r *Etcd) WatchBuilds(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
version, err := tools.ParseWatchResourceVersion(resourceVersion, "build")
if err != nil {
return nil, err
}
return r.WatchList(makeBuildListKey(ctx), version, func(obj runtime.Object) bool {
build, ok := obj.(*api.Build)
setDuration(build)
if !ok {
glog.Errorf("Unexpected object during build watch: %#v", obj)
return false
}
fields := labels.Set{
"metadata.name": build.Name,
"status": string(build.Status),
"podName": buildutil.GetBuildPodName(build),
}
return label.Matches(labels.Set(build.Labels)) && field.Matches(fields)
})
}
// WatchServices begins watching for new, changed, or deleted service configurations.
func (r *Registry) WatchServices(ctx api.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
version, err := storage.ParseWatchResourceVersion(resourceVersion, "service")
if err != nil {
return nil, err
}
if !label.Empty() {
return nil, fmt.Errorf("label selectors are not supported on services")
}
if value, found := field.RequiresExactMatch("name"); found {
key, err := makeServiceKey(ctx, value)
if err != nil {
return nil, err
}
// TODO: use generic.SelectionPredicate
return r.Watch(key, version, storage.Everything)
}
if field.Empty() {
return r.WatchList(makeServiceListKey(ctx), version, storage.Everything)
}
return nil, fmt.Errorf("only the 'name' and default (everything) field selectors are supported")
}
func (c *readOnlyPolicyBindingCache) List(label labels.Selector, field fields.Selector, namespace string) (*authorizationapi.PolicyBindingList, error) {
var returnedList []interface{}
if namespace == kapi.NamespaceAll {
returnedList = c.indexer.List()
} else {
items, err := c.indexer.Index("namespace", &authorizationapi.PolicyBinding{ObjectMeta: kapi.ObjectMeta{Namespace: namespace}})
returnedList = items
if err != nil {
return &authorizationapi.PolicyBindingList{}, errors.NewInvalid("PolicyBindingList", "policyBindingList", []error{err})
}
}
policyBindingList := &authorizationapi.PolicyBindingList{}
for i := range returnedList {
policyBinding, castOK := returnedList[i].(*authorizationapi.PolicyBinding)
if !castOK {
return policyBindingList, errors.NewInvalid("PolicyBindingList", "policyBindingList", []error{})
}
if label.Matches(labels.Set(policyBinding.Labels)) && field.Matches(PolicyBindingToSelectableFields(policyBinding)) {
policyBindingList.Items = append(policyBindingList.Items, *policyBinding)
}
}
return policyBindingList, nil
}
// WatchRoutes begins watching for new, changed, or deleted route configurations.
func (registry *Etcd) WatchRoutes(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
if !label.Empty() {
return nil, fmt.Errorf("label selectors are not supported on routes yet")
}
version, err := storage.ParseWatchResourceVersion(resourceVersion, "pod")
if err != nil {
return nil, err
}
if value, found := field.RequiresExactMatch("ID"); found {
key, err := makeRouteKey(ctx, value)
if err != nil {
return nil, err
}
return registry.Watch(key, version, storage.Everything)
}
if field.Empty() {
key := kubeetcd.MakeEtcdListKey(ctx, RoutePath)
return registry.WatchList(key, version, storage.Everything)
}
return nil, fmt.Errorf("only the 'ID' and default (everything) field selectors are supported")
}
// Watch begins watching for new, changed, or deleted images.
func (r *REST) Watch(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
if !field.Empty() {
return nil, errors.New("field selectors are not supported on images")
}
return r.store.WatchPredicate(ctx, image.MatchImage(label, field), resourceVersion)
}
// List satisfies the RESTStorage interface.
func (rs *REST) List(ctx api.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
if !label.Empty() || !field.Empty() {
return nil, errors.NewBadRequest("label/field selectors are not supported on endpoints")
}
return rs.registry.ListEndpoints(ctx)
}