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apiserver.go
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apiserver.go
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package apiserver
import (
"k8s.io/apimachinery/pkg/apimachinery/registered"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/serializer"
"k8s.io/apiserver/pkg/registry/rest"
genericapiserver "k8s.io/apiserver/pkg/server"
authorizationinternalversion "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/authorization/internalversion"
"sync"
templateapiv1 "github.com/openshift/origin/pkg/template/apis/template/v1"
brokertemplateinstanceetcd "github.com/openshift/origin/pkg/template/registry/brokertemplateinstance/etcd"
templateregistry "github.com/openshift/origin/pkg/template/registry/template"
templateetcd "github.com/openshift/origin/pkg/template/registry/template/etcd"
templateinstanceetcd "github.com/openshift/origin/pkg/template/registry/templateinstance/etcd"
)
type TemplateConfig struct {
GenericConfig *genericapiserver.Config
// AuthorizationClient is used to run SAR checks. It should point to the master.
AuthorizationClient authorizationinternalversion.AuthorizationInterface
// TODO these should all become local eventually
Scheme *runtime.Scheme
Registry *registered.APIRegistrationManager
Codecs serializer.CodecFactory
makeV1Storage sync.Once
v1Storage map[string]rest.Storage
v1StorageErr error
}
// TemplateServer contains state for a Kubernetes cluster master/api server.
type TemplateServer struct {
GenericAPIServer *genericapiserver.GenericAPIServer
}
type completedConfig struct {
*TemplateConfig
}
// Complete fills in any fields not set that are required to have valid data. It's mutating the receiver.
func (c *TemplateConfig) Complete() completedConfig {
c.GenericConfig.Complete()
return completedConfig{c}
}
// SkipComplete provides a way to construct a server instance without config completion.
func (c *TemplateConfig) SkipComplete() completedConfig {
return completedConfig{c}
}
// New returns a new instance of TemplateServer from the given config.
func (c completedConfig) New(delegationTarget genericapiserver.DelegationTarget) (*TemplateServer, error) {
genericServer, err := c.TemplateConfig.GenericConfig.SkipComplete().New("template.openshift.io-apiserver", delegationTarget) // completion is done in Complete, no need for a second time
if err != nil {
return nil, err
}
s := &TemplateServer{
GenericAPIServer: genericServer,
}
v1Storage, err := c.V1RESTStorage()
if err != nil {
return nil, err
}
apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(templateapiv1.GroupName, c.Registry, c.Scheme, metav1.ParameterCodec, c.Codecs)
apiGroupInfo.GroupMeta.GroupVersion = templateapiv1.SchemeGroupVersion
apiGroupInfo.VersionedResourcesStorageMap[templateapiv1.SchemeGroupVersion.Version] = v1Storage
if err := s.GenericAPIServer.InstallAPIGroup(&apiGroupInfo); err != nil {
return nil, err
}
return s, nil
}
func (c *TemplateConfig) V1RESTStorage() (map[string]rest.Storage, error) {
c.makeV1Storage.Do(func() {
c.v1Storage, c.v1StorageErr = c.newV1RESTStorage()
})
return c.v1Storage, c.v1StorageErr
}
func (c *TemplateConfig) newV1RESTStorage() (map[string]rest.Storage, error) {
templateStorage, err := templateetcd.NewREST(c.GenericConfig.RESTOptionsGetter)
if err != nil {
return nil, err
}
templateInstanceStorage, templateInstanceStatusStorage, err := templateinstanceetcd.NewREST(c.GenericConfig.RESTOptionsGetter, c.AuthorizationClient)
if err != nil {
return nil, err
}
brokerTemplateInstanceStorage, err := brokertemplateinstanceetcd.NewREST(c.GenericConfig.RESTOptionsGetter)
if err != nil {
return nil, err
}
v1Storage := map[string]rest.Storage{}
v1Storage["processedTemplates"] = templateregistry.NewREST()
v1Storage["templates"] = templateStorage
v1Storage["templateinstances"] = templateInstanceStorage
v1Storage["templateinstances/status"] = templateInstanceStatusStorage
v1Storage["brokertemplateinstances"] = brokerTemplateInstanceStorage
return v1Storage, nil
}