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binding_service.go
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binding_service.go
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package servicecatalog
import (
"fmt"
api "github.com/kubernetes-incubator/service-catalog/pkg/apis/servicecatalog/v1beta1"
"github.com/kubernetes-incubator/service-catalog/pkg/client/clientset_generated/clientset/typed/servicecatalog/v1beta1"
"github.com/pkg/errors"
"k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/cache"
)
type serviceBindingService struct {
client v1beta1.ServicecatalogV1beta1Interface
informer cache.SharedIndexInformer
}
func newServiceBindingService(client v1beta1.ServicecatalogV1beta1Interface, informer cache.SharedIndexInformer) *serviceBindingService {
svc := &serviceBindingService{
client: client,
informer: informer,
}
informer.AddIndexers(cache.Indexers{
"relatedServiceInstanceName": func(obj interface{}) ([]string, error) {
serviceBinding, err := svc.toServiceBinding(obj)
if err != nil {
return nil, errors.Wrapf(err, "while indexing by `relatedServiceInstanceName`")
}
key := fmt.Sprintf("%s/%s", serviceBinding.Namespace, serviceBinding.Spec.ServiceInstanceRef.Name)
return []string{key}, nil
},
})
return svc
}
func (f *serviceBindingService) Create(env string, sb *api.ServiceBinding) (*api.ServiceBinding, error) {
return f.client.ServiceBindings(env).Create(sb)
}
func (f *serviceBindingService) Delete(env string, name string) error {
return f.client.ServiceBindings(env).Delete(name, &v1.DeleteOptions{})
}
func (f *serviceBindingService) Find(env string, name string) (*api.ServiceBinding, error) {
key := fmt.Sprintf("%s/%s", env, name)
item, exists, err := f.informer.GetStore().GetByKey(key)
if err != nil || !exists {
return nil, err
}
return f.toServiceBinding(item)
}
func (f *serviceBindingService) ListForServiceInstance(env string, instanceName string) ([]*api.ServiceBinding, error) {
key := fmt.Sprintf("%s/%s", env, instanceName)
items, err := f.informer.GetIndexer().ByIndex("relatedServiceInstanceName", key)
if err != nil {
return nil, err
}
return f.toServiceBindings(items)
}
func (f *serviceBindingService) toServiceBinding(item interface{}) (*api.ServiceBinding, error) {
serviceBinding, ok := item.(*api.ServiceBinding)
if !ok {
return nil, fmt.Errorf("incorrect item type: %T, should be: *ServiceBinding", item)
}
return serviceBinding, nil
}
func (f *serviceBindingService) toServiceBindings(items []interface{}) ([]*api.ServiceBinding, error) {
var serviceBindings []*api.ServiceBinding
for _, item := range items {
serviceBinding, err := f.toServiceBinding(item)
if err != nil {
return nil, err
}
serviceBindings = append(serviceBindings, serviceBinding)
}
return serviceBindings, nil
}