node_exporter/collector/filesystem_openbsd.go
Claudio Jeker 184a4e0893
Fix filesystem collector for OpenBSD to not print loads of zero bytes in name (#2637)
Use the filesystem collector for all OpenBSD archs, there is no reason to
only use it on amd64 systems.

Signed-off-by: Claudio Jeker <claudio@openbsd.org>
2023-05-11 10:40:38 +02:00

78 lines
2.2 KiB
Go

// Copyright 2020 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 openbsd && !nofilesystem
// +build openbsd,!nofilesystem
package collector
import (
"github.com/go-kit/log/level"
"golang.org/x/sys/unix"
)
const (
defMountPointsExcluded = "^/(dev)($|/)"
defFSTypesExcluded = "^devfs$"
)
// Expose filesystem fullness.
func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
var mnt []unix.Statfs_t
size, err := unix.Getfsstat(mnt, unix.MNT_NOWAIT)
if err != nil {
return nil, err
}
mnt = make([]unix.Statfs_t, size)
_, err = unix.Getfsstat(mnt, unix.MNT_NOWAIT)
if err != nil {
return nil, err
}
stats = []filesystemStats{}
for _, v := range mnt {
mountpoint := unix.ByteSliceToString(v.F_mntonname[:])
if c.excludedMountPointsPattern.MatchString(mountpoint) {
level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", mountpoint)
continue
}
device := unix.ByteSliceToString(v.F_mntfromname[:])
fstype := unix.ByteSliceToString(v.F_fstypename[:])
if c.excludedFSTypesPattern.MatchString(fstype) {
level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
continue
}
var ro float64
if (v.F_flags & unix.MNT_RDONLY) != 0 {
ro = 1
}
stats = append(stats, filesystemStats{
labels: filesystemLabels{
device: device,
mountPoint: mountpoint,
fsType: fstype,
},
size: float64(v.F_blocks) * float64(v.F_bsize),
free: float64(v.F_bfree) * float64(v.F_bsize),
avail: float64(v.F_bavail) * float64(v.F_bsize),
files: float64(v.F_files),
filesFree: float64(v.F_ffree),
ro: ro,
})
}
return stats, nil
}