func (g *configRESTOptionsGetter) GetRESTOptions(resource unversioned.GroupResource) (genericrest.RESTOptions, error) {
g.restOptionsLock.Lock()
defer g.restOptionsLock.Unlock()
if resourceOptions, ok := g.restOptionsMap[resource]; ok {
return resourceOptions, nil
}
if g.etcdHelper == nil {
// TODO: choose destination etcd based on input resource
etcdClient, err := etcd.MakeNewEtcdClient(g.masterOptions.EtcdClientInfo)
if err != nil {
return genericrest.RESTOptions{}, err
}
// TODO: choose destination group/version based on input group/resource
// TODO: Tune the cache size
groupVersion := unversioned.GroupVersion{Group: "", Version: g.masterOptions.EtcdStorageConfig.OpenShiftStorageVersion}
g.etcdHelper = etcdstorage.NewEtcdStorage(etcdClient, kapi.Codecs.LegacyCodec(groupVersion), g.masterOptions.EtcdStorageConfig.OpenShiftStoragePrefix, false, genericapiserver.DefaultDeserializationCacheSize)
}
configuredCacheSize, specified := g.cacheSizes[resource]
if !specified || configuredCacheSize < 0 {
configuredCacheSize = g.defaultCacheSize
}
decorator := func(s storage.Interface, requestedSize int, objectType runtime.Object, resourcePrefix string, scopeStrategy rest.NamespaceScopedStrategy, newListFunc func() runtime.Object) storage.Interface {
capacity := requestedSize
if capacity == UseConfiguredCacheSize {
capacity = configuredCacheSize
}
if capacity == 0 || !g.cacheEnabled {
glog.V(5).Infof("using uncached watch storage for %s", resource.String())
return genericrest.UndecoratedStorage(s, capacity, objectType, resourcePrefix, scopeStrategy, newListFunc)
} else {
glog.V(5).Infof("using watch cache storage (capacity=%d) for %s", capacity, resource.String())
return registry.StorageWithCacher(s, capacity, objectType, resourcePrefix, scopeStrategy, newListFunc)
}
}
resourceOptions := genericrest.RESTOptions{
Storage: g.etcdHelper,
Decorator: decorator,
DeleteCollectionWorkers: 1,
}
g.restOptionsMap[resource] = resourceOptions
return resourceOptions, nil
}
func (g *configRESTOptionsGetter) GetRESTOptions(resource unversioned.GroupResource) (genericrest.RESTOptions, error) {
g.restOptionsLock.Lock()
defer g.restOptionsLock.Unlock()
if resourceOptions, ok := g.restOptionsMap[resource]; ok {
return resourceOptions, nil
}
config, err := g.storageFactory.NewConfig(resource)
if err != nil {
return genericrest.RESTOptions{}, err
}
if _, ok := g.quorumResources[resource]; ok {
config.Quorum = true
}
configuredCacheSize, specified := g.cacheSizes[resource]
if !specified || configuredCacheSize < 0 {
configuredCacheSize = g.defaultCacheSize
}
decorator := func(s *storagebackend.Config, requestedSize int, objectType runtime.Object, resourcePrefix string, scopeStrategy rest.NamespaceScopedStrategy, newListFn func() runtime.Object, triggerFn storage.TriggerPublisherFunc) (storage.Interface, factory.DestroyFunc) {
capacity := requestedSize
if capacity == UseConfiguredCacheSize {
capacity = configuredCacheSize
}
if capacity == 0 || !g.cacheEnabled {
glog.V(5).Infof("using uncached watch storage for %s", resource.String())
return genericrest.UndecoratedStorage(s, capacity, objectType, resourcePrefix, scopeStrategy, newListFn, triggerFn)
}
glog.V(5).Infof("using watch cache storage (capacity=%d) for %s %#v", capacity, resource.String(), s)
return registry.StorageWithCacher(s, capacity, objectType, resourcePrefix, scopeStrategy, newListFn, triggerFn)
}
resourceOptions := genericrest.RESTOptions{
StorageConfig: config,
Decorator: decorator,
DeleteCollectionWorkers: 1,
ResourcePrefix: g.storageFactory.ResourcePrefix(resource),
}
g.restOptionsMap[resource] = resourceOptions
return resourceOptions, nil
}
