grafana/pkg/registry/apis/service/register.go

106 lines
3.4 KiB
Go

package service
import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apiserver/pkg/authorization/authorizer"
"k8s.io/apiserver/pkg/registry/generic"
"k8s.io/apiserver/pkg/registry/rest"
genericapiserver "k8s.io/apiserver/pkg/server"
"k8s.io/kube-openapi/pkg/common"
service "github.com/grafana/grafana/pkg/apis/service/v0alpha1"
grafanarest "github.com/grafana/grafana/pkg/apiserver/rest"
"github.com/grafana/grafana/pkg/services/apiserver/builder"
"github.com/grafana/grafana/pkg/services/featuremgmt"
"github.com/prometheus/client_golang/prometheus"
)
var _ builder.APIGroupBuilder = (*ServiceAPIBuilder)(nil)
// This is used just so wire has something unique to return
type ServiceAPIBuilder struct{}
func NewServiceAPIBuilder() *ServiceAPIBuilder {
return &ServiceAPIBuilder{}
}
func RegisterAPIService(features featuremgmt.FeatureToggles, apiregistration builder.APIRegistrar, registerer prometheus.Registerer) *ServiceAPIBuilder {
if !features.IsEnabledGlobally(featuremgmt.FlagKubernetesAggregator) {
return nil // skip registration unless opting into aggregator mode
}
builder := NewServiceAPIBuilder()
apiregistration.RegisterAPI(NewServiceAPIBuilder())
return builder
}
func (b *ServiceAPIBuilder) GetAuthorizer() authorizer.Authorizer {
return nil // default authorizer is fine
}
func (b *ServiceAPIBuilder) GetGroupVersion() schema.GroupVersion {
return service.SchemeGroupVersion
}
func (b *ServiceAPIBuilder) GetDesiredDualWriterMode(dualWrite bool, modeMap map[string]grafanarest.DualWriterMode) grafanarest.DualWriterMode {
// Add required configuration support in order to enable other modes. For an example, see pkg/registry/apis/playlist/register.go
return grafanarest.Mode0
}
func addKnownTypes(scheme *runtime.Scheme, gv schema.GroupVersion) {
scheme.AddKnownTypes(gv,
&service.ExternalName{},
&service.ExternalNameList{},
)
}
func (b *ServiceAPIBuilder) InstallSchema(scheme *runtime.Scheme) error {
gv := service.SchemeGroupVersion
err := service.AddToScheme(scheme)
if err != nil {
return err
}
// Link this version to the internal representation.
// This is used for server-side-apply (PATCH), and avoids the error:
// "no kind is registered for the type"
addKnownTypes(scheme, schema.GroupVersion{
Group: service.GROUP,
Version: runtime.APIVersionInternal,
})
metav1.AddToGroupVersion(scheme, gv)
return scheme.SetVersionPriority(gv)
}
func (b *ServiceAPIBuilder) GetAPIGroupInfo(
scheme *runtime.Scheme,
codecs serializer.CodecFactory,
optsGetter generic.RESTOptionsGetter,
_ grafanarest.DualWriterMode,
_ prometheus.Registerer,
) (*genericapiserver.APIGroupInfo, error) {
apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(service.GROUP, scheme, metav1.ParameterCodec, codecs)
resourceInfo := service.ExternalNameResourceInfo
storage := map[string]rest.Storage{}
serviceStorage, err := newStorage(scheme, optsGetter)
if err != nil {
return nil, err
}
storage[resourceInfo.StoragePath()] = serviceStorage
apiGroupInfo.VersionedResourcesStorageMap[service.VERSION] = storage
return &apiGroupInfo, nil
}
func (b *ServiceAPIBuilder) GetOpenAPIDefinitions() common.GetOpenAPIDefinitions {
return service.GetOpenAPIDefinitions
}
// Register additional routes with the server
func (b *ServiceAPIBuilder) GetAPIRoutes() *builder.APIRoutes {
return nil
}