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etcd.go
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etcd.go
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package etcd
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
apirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/registry/generic/registry"
"k8s.io/apiserver/pkg/registry/rest"
kapi "k8s.io/kubernetes/pkg/api"
"github.com/openshift/origin/pkg/authorization/registry/subjectaccessreview"
imageadmission "github.com/openshift/origin/pkg/image/admission"
"github.com/openshift/origin/pkg/image/api"
"github.com/openshift/origin/pkg/image/registry/imagestream"
"github.com/openshift/origin/pkg/util/restoptions"
)
// REST implements a RESTStorage for image streams against etcd.
type REST struct {
*registry.Store
subjectAccessReviewRegistry subjectaccessreview.Registry
}
// NewREST returns a new REST.
func NewREST(optsGetter restoptions.Getter, defaultRegistry api.DefaultRegistry, subjectAccessReviewRegistry subjectaccessreview.Registry, limitVerifier imageadmission.LimitVerifier) (*REST, *StatusREST, *InternalREST, error) {
store := registry.Store{
Copier: kapi.Scheme,
NewFunc: func() runtime.Object { return &api.ImageStream{} },
NewListFunc: func() runtime.Object { return &api.ImageStreamList{} },
PredicateFunc: imagestream.Matcher,
QualifiedResource: api.Resource("imagestreams"),
}
rest := &REST{
Store: &store,
subjectAccessReviewRegistry: subjectAccessReviewRegistry,
}
// strategy must be able to load image streams across namespaces during tag verification
strategy := imagestream.NewStrategy(defaultRegistry, subjectAccessReviewRegistry, limitVerifier, rest)
store.CreateStrategy = strategy
store.UpdateStrategy = strategy
store.Decorator = strategy.Decorate
options := &generic.StoreOptions{RESTOptions: optsGetter, AttrFunc: imagestream.GetAttrs}
if err := store.CompleteWithOptions(options); err != nil {
return nil, nil, nil, err
}
statusStrategy := imagestream.NewStatusStrategy(strategy)
statusStore := store
statusStore.Decorator = nil
statusStore.CreateStrategy = nil
statusStore.UpdateStrategy = statusStrategy
statusREST := &StatusREST{store: &statusStore}
internalStore := store
internalStrategy := imagestream.NewInternalStrategy(strategy)
internalStore.Decorator = nil
internalStore.CreateStrategy = internalStrategy
internalStore.UpdateStrategy = internalStrategy
internalREST := &InternalREST{store: &internalStore}
return rest, statusREST, internalREST, nil
}
// StatusREST implements the REST endpoint for changing the status of an image stream.
type StatusREST struct {
store *registry.Store
}
// StatusREST implements Patcher
var _ = rest.Patcher(&StatusREST{})
func (r *StatusREST) New() runtime.Object {
return &api.ImageStream{}
}
// Get retrieves the object from the storage. It is required to support Patch.
func (r *StatusREST) Get(ctx apirequest.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
return r.store.Get(ctx, name, options)
}
// Update alters the status subset of an object.
func (r *StatusREST) Update(ctx apirequest.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
return r.store.Update(ctx, name, objInfo)
}
// InternalREST implements the REST endpoint for changing both the spec and status of an image stream.
type InternalREST struct {
store *registry.Store
}
func (r *InternalREST) New() runtime.Object {
return &api.ImageStream{}
}
// Create alters both the spec and status of the object.
func (r *InternalREST) Create(ctx apirequest.Context, obj runtime.Object) (runtime.Object, error) {
return r.store.Create(ctx, obj)
}
// Update alters both the spec and status of the object.
func (r *InternalREST) Update(ctx apirequest.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
return r.store.Update(ctx, name, objInfo)
}