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registry.go
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registry.go
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package clusterpolicybinding
import (
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/rest"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/watch"
authorizationapi "github.com/openshift/origin/pkg/authorization/api"
"github.com/openshift/origin/pkg/authorization/registry/policybinding"
)
// Registry is an interface for things that know how to store ClusterPolicyBindings.
type Registry interface {
// ListClusterPolicyBindings obtains list of policyBindings that match a selector.
ListClusterPolicyBindings(ctx kapi.Context, label labels.Selector, field fields.Selector) (*authorizationapi.ClusterPolicyBindingList, error)
// GetClusterPolicyBinding retrieves a specific policyBinding.
GetClusterPolicyBinding(ctx kapi.Context, name string) (*authorizationapi.ClusterPolicyBinding, error)
// CreateClusterPolicyBinding creates a new policyBinding.
CreateClusterPolicyBinding(ctx kapi.Context, policyBinding *authorizationapi.ClusterPolicyBinding) error
// UpdateClusterPolicyBinding updates a policyBinding.
UpdateClusterPolicyBinding(ctx kapi.Context, policyBinding *authorizationapi.ClusterPolicyBinding) error
// DeleteClusterPolicyBinding deletes a policyBinding.
DeleteClusterPolicyBinding(ctx kapi.Context, name string) error
}
type WatchingRegistry interface {
Registry
// WatchClusterPolicyBindings watches policyBindings.
WatchClusterPolicyBindings(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error)
}
// Storage is an interface for a standard REST Storage backend
type Storage interface {
rest.StandardStorage
}
// storage puts strong typing around storage calls
type storage struct {
Storage
}
// NewRegistry returns a new Registry interface for the given Storage. Any mismatched
// types will panic.
func NewRegistry(s Storage) WatchingRegistry {
return &storage{s}
}
func (s *storage) ListClusterPolicyBindings(ctx kapi.Context, label labels.Selector, field fields.Selector) (*authorizationapi.ClusterPolicyBindingList, error) {
obj, err := s.List(ctx, label, field)
if err != nil {
return nil, err
}
return obj.(*authorizationapi.ClusterPolicyBindingList), nil
}
func (s *storage) CreateClusterPolicyBinding(ctx kapi.Context, policyBinding *authorizationapi.ClusterPolicyBinding) error {
_, err := s.Create(ctx, policyBinding)
return err
}
func (s *storage) UpdateClusterPolicyBinding(ctx kapi.Context, policyBinding *authorizationapi.ClusterPolicyBinding) error {
_, _, err := s.Update(ctx, policyBinding)
return err
}
func (s *storage) WatchClusterPolicyBindings(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
return s.Watch(ctx, label, field, resourceVersion)
}
func (s *storage) GetClusterPolicyBinding(ctx kapi.Context, name string) (*authorizationapi.ClusterPolicyBinding, error) {
obj, err := s.Get(ctx, name)
if err != nil {
return nil, err
}
return obj.(*authorizationapi.ClusterPolicyBinding), nil
}
func (s *storage) DeleteClusterPolicyBinding(ctx kapi.Context, name string) error {
_, err := s.Delete(ctx, name, nil)
return err
}
type simulatedStorage struct {
clusterRegistry Registry
}
func NewSimulatedRegistry(clusterRegistry Registry) policybinding.Registry {
return &simulatedStorage{clusterRegistry}
}
func (s *simulatedStorage) ListPolicyBindings(ctx kapi.Context, label labels.Selector, field fields.Selector) (*authorizationapi.PolicyBindingList, error) {
ret, err := s.clusterRegistry.ListClusterPolicyBindings(ctx, label, field)
return authorizationapi.ToPolicyBindingList(ret), err
}
func (s *simulatedStorage) CreatePolicyBinding(ctx kapi.Context, policyBinding *authorizationapi.PolicyBinding) error {
return s.clusterRegistry.CreateClusterPolicyBinding(ctx, authorizationapi.ToClusterPolicyBinding(policyBinding))
}
func (s *simulatedStorage) UpdatePolicyBinding(ctx kapi.Context, policyBinding *authorizationapi.PolicyBinding) error {
return s.clusterRegistry.UpdateClusterPolicyBinding(ctx, authorizationapi.ToClusterPolicyBinding(policyBinding))
}
func (s *simulatedStorage) GetPolicyBinding(ctx kapi.Context, name string) (*authorizationapi.PolicyBinding, error) {
ret, err := s.clusterRegistry.GetClusterPolicyBinding(ctx, name)
return authorizationapi.ToPolicyBinding(ret), err
}
func (s *simulatedStorage) DeletePolicyBinding(ctx kapi.Context, name string) error {
return s.clusterRegistry.DeleteClusterPolicyBinding(ctx, name)
}