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policybinding.go
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policybinding.go
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package test
import (
"errors"
"fmt"
kapierrors "k8s.io/apimachinery/pkg/api/errors"
metainternal "k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/watch"
apirequest "k8s.io/apiserver/pkg/endpoints/request"
authorizationapi "github.com/openshift/origin/pkg/authorization/apis/authorization"
authorizationlister "github.com/openshift/origin/pkg/authorization/generated/listers/authorization/internalversion"
policybindingregistry "github.com/openshift/origin/pkg/cmd/server/admin/legacyetcd/policybinding"
)
type PolicyBindingRegistry struct {
// policyBindings is a of namespace->name->PolicyBinding
policyBindings map[string]map[string]authorizationapi.PolicyBinding
Err error
}
func NewPolicyBindingRegistry(bindings []authorizationapi.PolicyBinding, err error) *PolicyBindingRegistry {
bindingMap := make(map[string]map[string]authorizationapi.PolicyBinding)
for _, binding := range bindings {
addPolicyBinding(bindingMap, binding)
}
return &PolicyBindingRegistry{bindingMap, err}
}
func (r *PolicyBindingRegistry) List(_ labels.Selector) ([]*authorizationapi.PolicyBinding, error) {
return nil, fmt.Errorf("unimplemented")
}
func (r *PolicyBindingRegistry) PolicyBindings(namespace string) authorizationlister.PolicyBindingNamespaceLister {
return policyBindingLister{registry: r, namespace: namespace}
}
type policyBindingLister struct {
registry policybindingregistry.Registry
namespace string
}
func (s policyBindingLister) List(label labels.Selector) ([]*authorizationapi.PolicyBinding, error) {
list, err := s.registry.ListPolicyBindings(apirequest.WithNamespace(apirequest.NewContext(), s.namespace), &metainternal.ListOptions{LabelSelector: label})
if err != nil {
return nil, err
}
var items []*authorizationapi.PolicyBinding
for i := range list.Items {
items = append(items, &list.Items[i])
}
return items, nil
}
func (s policyBindingLister) Get(name string) (*authorizationapi.PolicyBinding, error) {
return s.registry.GetPolicyBinding(apirequest.WithNamespace(apirequest.NewContext(), s.namespace), name, &metav1.GetOptions{})
}
// ListPolicyBindings obtains a list of policyBinding that match a selector.
func (r *PolicyBindingRegistry) ListPolicyBindings(ctx apirequest.Context, options *metainternal.ListOptions) (*authorizationapi.PolicyBindingList, error) {
if r.Err != nil {
return nil, r.Err
}
namespace := apirequest.NamespaceValue(ctx)
list := make([]authorizationapi.PolicyBinding, 0)
if namespace == metav1.NamespaceAll {
for _, curr := range r.policyBindings {
for _, binding := range curr {
list = append(list, binding)
}
}
} else {
if namespacedBindings, ok := r.policyBindings[namespace]; ok {
for _, curr := range namespacedBindings {
list = append(list, curr)
}
}
}
return &authorizationapi.PolicyBindingList{
Items: list,
},
nil
}
// GetPolicyBinding retrieves a specific policyBinding.
func (r *PolicyBindingRegistry) GetPolicyBinding(ctx apirequest.Context, id string, options *metav1.GetOptions) (*authorizationapi.PolicyBinding, error) {
if r.Err != nil {
return nil, r.Err
}
namespace := apirequest.NamespaceValue(ctx)
if len(namespace) == 0 {
return nil, errors.New("invalid request. Namespace parameter required.")
}
if namespacedBindings, ok := r.policyBindings[namespace]; ok {
if binding, ok := namespacedBindings[id]; ok {
return &binding, nil
}
}
return nil, kapierrors.NewNotFound(authorizationapi.Resource("policybinding"), id)
}
// CreatePolicyBinding creates a new policyBinding.
func (r *PolicyBindingRegistry) CreatePolicyBinding(ctx apirequest.Context, policyBinding *authorizationapi.PolicyBinding) error {
if r.Err != nil {
return r.Err
}
namespace := apirequest.NamespaceValue(ctx)
if len(namespace) == 0 {
return errors.New("invalid request. Namespace parameter required.")
}
if existing, _ := r.GetPolicyBinding(ctx, policyBinding.Name, &metav1.GetOptions{}); existing != nil {
return fmt.Errorf("PolicyBinding %v::%v already exists", namespace, policyBinding.Name)
}
addPolicyBinding(r.policyBindings, *policyBinding)
return nil
}
// UpdatePolicyBinding updates a policyBinding.
func (r *PolicyBindingRegistry) UpdatePolicyBinding(ctx apirequest.Context, policyBinding *authorizationapi.PolicyBinding) error {
if r.Err != nil {
return r.Err
}
namespace := apirequest.NamespaceValue(ctx)
if len(namespace) == 0 {
return errors.New("invalid request. Namespace parameter required.")
}
if existing, _ := r.GetPolicyBinding(ctx, policyBinding.Name, &metav1.GetOptions{}); existing == nil {
return kapierrors.NewNotFound(authorizationapi.Resource("policybinding"), policyBinding.Name)
}
addPolicyBinding(r.policyBindings, *policyBinding)
return nil
}
// DeletePolicyBinding deletes a policyBinding.
func (r *PolicyBindingRegistry) DeletePolicyBinding(ctx apirequest.Context, id string) error {
if r.Err != nil {
return r.Err
}
namespace := apirequest.NamespaceValue(ctx)
if len(namespace) == 0 {
return errors.New("invalid request. Namespace parameter required.")
}
namespacedBindings, ok := r.policyBindings[namespace]
if ok {
delete(namespacedBindings, id)
}
return nil
}
func (r *PolicyBindingRegistry) WatchPolicyBindings(ctx apirequest.Context, options *metainternal.ListOptions) (watch.Interface, error) {
return nil, errors.New("unsupported action for test registry")
}
func addPolicyBinding(bindings map[string]map[string]authorizationapi.PolicyBinding, binding authorizationapi.PolicyBinding) {
resourceVersion += 1
binding.ResourceVersion = fmt.Sprintf("%d", resourceVersion)
namespacedBindings, ok := bindings[binding.Namespace]
if !ok {
namespacedBindings = make(map[string]authorizationapi.PolicyBinding)
bindings[binding.Namespace] = namespacedBindings
}
namespacedBindings[binding.Name] = binding
}