forked from openshift/origin
/
etcd.go
161 lines (135 loc) · 5.4 KB
/
etcd.go
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package etcd
import (
"errors"
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
kmeta "github.com/GoogleCloudPlatform/kubernetes/pkg/api/meta"
klabels "github.com/GoogleCloudPlatform/kubernetes/pkg/labels"
kubeetcd "github.com/GoogleCloudPlatform/kubernetes/pkg/registry/etcd"
"github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic"
etcdgeneric "github.com/GoogleCloudPlatform/kubernetes/pkg/registry/generic/etcd"
"github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
"github.com/GoogleCloudPlatform/kubernetes/pkg/tools"
"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
authorizationapi "github.com/openshift/origin/pkg/authorization/api"
)
// Etcd implements the Policy, AuthorizeToken, and Client registries backed by etcd.
type Etcd struct {
policyRegistry *etcdgeneric.Etcd
policyBindingRegistry *etcdgeneric.Etcd
}
const (
PolicyPath = "/registry/authorization/policy"
PolicyBindingPath = "/registry/authorization/policyBinding"
)
// New returns a new Etcd.
func New(helper tools.EtcdHelper) *Etcd {
return &Etcd{
policyRegistry: &etcdgeneric.Etcd{
NewFunc: func() runtime.Object { return &authorizationapi.Policy{} },
NewListFunc: func() runtime.Object { return &authorizationapi.PolicyList{} },
EndpointName: "policy",
KeyRootFunc: func(ctx kapi.Context) string {
return etcdgeneric.NamespaceKeyRootFunc(ctx, PolicyPath)
},
KeyFunc: func(ctx kapi.Context, id string) (string, error) {
return etcdgeneric.NamespaceKeyFunc(ctx, PolicyPath, id)
},
Helper: helper,
},
policyBindingRegistry: &etcdgeneric.Etcd{
NewFunc: func() runtime.Object { return &authorizationapi.PolicyBinding{} },
NewListFunc: func() runtime.Object { return &authorizationapi.PolicyBindingList{} },
EndpointName: "policyBinding",
KeyRootFunc: func(ctx kapi.Context) string {
return etcdgeneric.NamespaceKeyRootFunc(ctx, PolicyBindingPath)
},
KeyFunc: func(ctx kapi.Context, id string) (string, error) {
return etcdgeneric.NamespaceKeyFunc(ctx, PolicyBindingPath, id)
},
Helper: helper,
},
}
}
func getAttrs(obj runtime.Object) (klabels.Set, klabels.Set, error) {
metaInterface, err := kmeta.Accessor(obj)
if err != nil {
return klabels.Set{}, klabels.Set{}, err
}
return metaInterface.Labels(), klabels.Set{}, nil
}
func (r *Etcd) GetPolicy(ctx kapi.Context, name string) (policy *authorizationapi.Policy, err error) {
result, err := r.policyRegistry.Get(ctx, name)
if err != nil {
return nil, err
}
ret, ok := result.(*authorizationapi.Policy)
if !ok {
return nil, errors.New("invalid object type")
}
return ret, nil
}
func (r *Etcd) ListPolicies(ctx kapi.Context, label, field klabels.Selector) (*authorizationapi.PolicyList, error) {
result, err := r.policyRegistry.List(ctx, &generic.SelectionPredicate{label, field, getAttrs})
if err != nil {
return nil, err
}
ret, ok := result.(*authorizationapi.PolicyList)
if !ok {
return nil, errors.New("invalid object type")
}
return ret, nil
}
func (r *Etcd) CreatePolicy(ctx kapi.Context, policy *authorizationapi.Policy) error {
return r.policyRegistry.CreateWithName(ctx, policy.Name, policy)
}
func (r *Etcd) UpdatePolicy(ctx kapi.Context, newPolicy *authorizationapi.Policy) error {
return r.policyRegistry.UpdateWithName(ctx, newPolicy.Name, newPolicy)
}
func (r *Etcd) DeletePolicy(ctx kapi.Context, name string) error {
_, err := r.policyRegistry.Delete(ctx, name)
return err
}
func (r *Etcd) WatchPolicies(ctx kapi.Context, label, field klabels.Selector, resourceVersion string) (watch.Interface, error) {
return r.policyRegistry.Watch(ctx, &generic.SelectionPredicate{label, field, getAttrs}, resourceVersion)
}
func makePolicyBindingListKey(ctx kapi.Context) string {
return kubeetcd.MakeEtcdListKey(ctx, PolicyBindingPath)
}
func makePolicyBindingKey(ctx kapi.Context, id string) (string, error) {
return kubeetcd.MakeEtcdItemKey(ctx, PolicyBindingPath, id)
}
func (r *Etcd) GetPolicyBinding(ctx kapi.Context, name string) (policyBinding *authorizationapi.PolicyBinding, err error) {
result, err := r.policyBindingRegistry.Get(ctx, name)
if err != nil {
return nil, err
}
ret, ok := result.(*authorizationapi.PolicyBinding)
if !ok {
return nil, errors.New("invalid object type")
}
return ret, nil
}
func (r *Etcd) ListPolicyBindings(ctx kapi.Context, label, field klabels.Selector) (*authorizationapi.PolicyBindingList, error) {
result, err := r.policyBindingRegistry.List(ctx, &generic.SelectionPredicate{label, field, getAttrs})
if err != nil {
return nil, err
}
ret, ok := result.(*authorizationapi.PolicyBindingList)
if !ok {
return nil, errors.New("invalid object type")
}
return ret, nil
}
func (r *Etcd) CreatePolicyBinding(ctx kapi.Context, binding *authorizationapi.PolicyBinding) error {
return r.policyBindingRegistry.CreateWithName(ctx, binding.Name, binding)
}
func (r *Etcd) UpdatePolicyBinding(ctx kapi.Context, newPolicyBinding *authorizationapi.PolicyBinding) error {
return r.policyBindingRegistry.UpdateWithName(ctx, newPolicyBinding.Name, newPolicyBinding)
}
func (r *Etcd) DeletePolicyBinding(ctx kapi.Context, name string) error {
_, err := r.policyBindingRegistry.Delete(ctx, name)
return err
}
func (r *Etcd) WatchPolicyBindings(ctx kapi.Context, label, field klabels.Selector, resourceVersion string) (watch.Interface, error) {
return r.policyBindingRegistry.Watch(ctx, &generic.SelectionPredicate{label, field, getAttrs}, resourceVersion)
}