ceph-csi/vendor/k8s.io/kubernetes/pkg/volume/metrics_nil.go
Humble Chirammal aa698bc3e1 rebase: update kubernetes and libraries to v1.22.0 version
Kubernetes v1.22 version has been released and this update
ceph csi dependencies to use the same version.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
2021-08-12 09:55:50 +00:00

36 lines
1.1 KiB
Go

/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package volume
var _ MetricsProvider = &MetricsNil{}
// MetricsNil represents a MetricsProvider that does not support returning
// Metrics. It serves as a placeholder for Volumes that do not yet support
// metrics.
type MetricsNil struct{}
// SupportsMetrics returns false for the MetricsNil type.
func (*MetricsNil) SupportsMetrics() bool {
return false
}
// GetMetrics returns an empty Metrics and an error.
// See MetricsProvider.GetMetrics
func (*MetricsNil) GetMetrics() (*Metrics, error) {
return &Metrics{}, NewNotSupportedError()
}