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etcd.go
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etcd.go
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package etcd
import (
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
etcdgeneric "k8s.io/kubernetes/pkg/registry/generic/etcd"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/storage"
"k8s.io/kubernetes/pkg/watch"
"github.com/openshift/origin/pkg/template/api"
"github.com/openshift/origin/pkg/template/registry"
)
const prefix = "/templates"
// REST implements a RESTStorage for templates against etcd
type REST struct {
*etcdgeneric.Etcd
}
// NewREST returns a RESTStorage object that will work against templates.
func NewREST(s storage.Interface) *REST {
store := &etcdgeneric.Etcd{
NewFunc: func() runtime.Object { return &api.Template{} },
NewListFunc: func() runtime.Object { return &api.TemplateList{} },
KeyRootFunc: func(ctx kapi.Context) string {
return etcdgeneric.NamespaceKeyRootFunc(ctx, prefix)
},
KeyFunc: func(ctx kapi.Context, name string) (string, error) {
return etcdgeneric.NamespaceKeyFunc(ctx, prefix, name)
},
ObjectNameFunc: func(obj runtime.Object) (string, error) {
return obj.(*api.Template).Name, nil
},
EndpointName: "templates",
CreateStrategy: registry.Strategy,
UpdateStrategy: registry.Strategy,
ReturnDeletedObject: true,
Storage: s,
}
return &REST{store}
}
// New returns a new object
func (r *REST) New() runtime.Object {
return r.NewFunc()
}
// NewList returns a new list object
func (r *REST) NewList() runtime.Object {
return r.NewListFunc()
}
// List obtains a list of templates with labels that match selector.
func (r *REST) List(ctx kapi.Context, label labels.Selector, field fields.Selector) (runtime.Object, error) {
return r.Etcd.ListPredicate(ctx, registry.MatchTemplate(label, field))
}
// Watch begins watching for new, changed, or deleted templates.
func (r *REST) Watch(ctx kapi.Context, label labels.Selector, field fields.Selector, resourceVersion string) (watch.Interface, error) {
return r.WatchPredicate(ctx, registry.MatchTemplate(label, field), resourceVersion)
}