mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-23 14:50:24 +00:00
aa698bc3e1
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>
86 lines
2.5 KiB
Go
86 lines
2.5 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
|
|
|
|
import (
|
|
"k8s.io/apimachinery/pkg/api/resource"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/kubernetes/pkg/volume/util/fs"
|
|
)
|
|
|
|
var _ MetricsProvider = &metricsDu{}
|
|
|
|
// metricsDu represents a MetricsProvider that calculates the used and
|
|
// available Volume space by calling fs.DiskUsage() and gathering
|
|
// filesystem info for the Volume path.
|
|
type metricsDu struct {
|
|
// the directory path the volume is mounted to.
|
|
path string
|
|
}
|
|
|
|
// NewMetricsDu creates a new metricsDu with the Volume path.
|
|
func NewMetricsDu(path string) MetricsProvider {
|
|
return &metricsDu{path}
|
|
}
|
|
|
|
// GetMetrics calculates the volume usage and device free space by executing "du"
|
|
// and gathering filesystem info for the Volume path.
|
|
// See MetricsProvider.GetMetrics
|
|
func (md *metricsDu) GetMetrics() (*Metrics, error) {
|
|
metrics := &Metrics{Time: metav1.Now()}
|
|
if md.path == "" {
|
|
return metrics, NewNoPathDefinedError()
|
|
}
|
|
|
|
err := md.getDiskUsage(metrics)
|
|
if err != nil {
|
|
return metrics, err
|
|
}
|
|
|
|
err = md.getFsInfo(metrics)
|
|
if err != nil {
|
|
return metrics, err
|
|
}
|
|
|
|
return metrics, nil
|
|
}
|
|
|
|
// getDiskUsage writes metrics.Used and metric.InodesUsed from fs.DiskUsage
|
|
func (md *metricsDu) getDiskUsage(metrics *Metrics) error {
|
|
usage, err := fs.DiskUsage(md.path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
metrics.Used = resource.NewQuantity(usage.Bytes, resource.BinarySI)
|
|
metrics.InodesUsed = resource.NewQuantity(usage.Inodes, resource.BinarySI)
|
|
return nil
|
|
}
|
|
|
|
// getFsInfo writes metrics.Capacity and metrics.Available from the filesystem
|
|
// info
|
|
func (md *metricsDu) getFsInfo(metrics *Metrics) error {
|
|
available, capacity, _, inodes, inodesFree, _, err := fs.Info(md.path)
|
|
if err != nil {
|
|
return NewFsInfoFailedError(err)
|
|
}
|
|
metrics.Available = resource.NewQuantity(available, resource.BinarySI)
|
|
metrics.Capacity = resource.NewQuantity(capacity, resource.BinarySI)
|
|
metrics.Inodes = resource.NewQuantity(inodes, resource.BinarySI)
|
|
metrics.InodesFree = resource.NewQuantity(inodesFree, resource.BinarySI)
|
|
return nil
|
|
}
|