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// Copyright 2024 The Prometheus 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.
//go:build !nofilesystem
// +build !nofilesystem
package collector
import (
"github.com/power-devops/perfstat"
)
const (
defMountPointsExcluded = "^/(dev|aha)($|/)"
defFSTypesExcluded = "^procfs$"
)
// Expose filesystem fullness.
func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
fsStat, err := perfstat.FileSystemStat()
if err != nil {
return nil, err
}
for _, stat := range fsStat {
if c.mountPointFilter.ignored(stat.MountPoint) {
c.logger.Debug("Ignoring mount point", "mountpoint", stat.MountPoint)
continue
}
fstype := stat.TypeString()
if c.fsTypeFilter.ignored(fstype) {
c.logger.Debug("Ignoring fs type", "type", fstype)
continue
}
ro := 0.0
if stat.Flags&perfstat.VFS_READONLY != 0 {
ro = 1.0
}
stats = append(stats, filesystemStats{
labels: filesystemLabels{
device: stat.Device,
mountPoint: stat.MountPoint,
fsType: fstype,
},
size: float64(stat.TotalBlocks / 512.0),
free: float64(stat.FreeBlocks / 512.0),
avail: float64(stat.FreeBlocks / 512.0), // AIX doesn't distinguish between free and available blocks.
files: float64(stat.TotalInodes),
filesFree: float64(stat.FreeInodes),
ro: ro,
})
}
return stats, nil
}
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