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multi_source_metadata_service.go
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multi_source_metadata_service.go
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package infrastructure
import (
boshsettings "github.com/cloudfoundry/bosh-agent/settings"
)
type MultiSourceMetadataService struct {
Services []MetadataService
selectedService MetadataService
}
func NewMultiSourceMetadataService(services ...MetadataService) MetadataService {
return &MultiSourceMetadataService{Services: services}
}
func (ms *MultiSourceMetadataService) GetPublicKey() (string, error) {
return ms.getSelectedService().GetPublicKey()
}
func (ms *MultiSourceMetadataService) GetInstanceID() (string, error) {
return ms.getSelectedService().GetInstanceID()
}
func (ms *MultiSourceMetadataService) GetServerName() (string, error) {
return ms.getSelectedService().GetServerName()
}
func (ms *MultiSourceMetadataService) GetRegistryEndpoint() (string, error) {
return ms.getSelectedService().GetRegistryEndpoint()
}
func (ms *MultiSourceMetadataService) GetNetworks() (boshsettings.Networks, error) {
return ms.getSelectedService().GetNetworks()
}
func (ms *MultiSourceMetadataService) GetSettings() (boshsettings.Settings, error) {
return ms.getSelectedService().GetSettings()
}
func (ms *MultiSourceMetadataService) IsAvailable() bool {
return true
}
func (ms *MultiSourceMetadataService) getSelectedService() MetadataService {
if ms.selectedService == nil {
for _, service := range ms.Services {
if service.IsAvailable() {
ms.selectedService = service
break
}
}
}
return ms.selectedService
}