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https://github.com/prometheus/node_exporter
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184a4e0893
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>
78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
// Copyright 2020 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build openbsd && !nofilesystem
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// +build openbsd,!nofilesystem
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package collector
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import (
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"github.com/go-kit/log/level"
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"golang.org/x/sys/unix"
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)
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const (
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defMountPointsExcluded = "^/(dev)($|/)"
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defFSTypesExcluded = "^devfs$"
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)
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// Expose filesystem fullness.
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func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
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var mnt []unix.Statfs_t
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size, err := unix.Getfsstat(mnt, unix.MNT_NOWAIT)
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if err != nil {
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return nil, err
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}
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mnt = make([]unix.Statfs_t, size)
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_, err = unix.Getfsstat(mnt, unix.MNT_NOWAIT)
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if err != nil {
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return nil, err
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}
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stats = []filesystemStats{}
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for _, v := range mnt {
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mountpoint := unix.ByteSliceToString(v.F_mntonname[:])
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if c.excludedMountPointsPattern.MatchString(mountpoint) {
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level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", mountpoint)
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continue
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}
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device := unix.ByteSliceToString(v.F_mntfromname[:])
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fstype := unix.ByteSliceToString(v.F_fstypename[:])
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if c.excludedFSTypesPattern.MatchString(fstype) {
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level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
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continue
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}
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var ro float64
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if (v.F_flags & unix.MNT_RDONLY) != 0 {
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ro = 1
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}
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stats = append(stats, filesystemStats{
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labels: filesystemLabels{
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device: device,
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mountPoint: mountpoint,
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fsType: fstype,
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},
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size: float64(v.F_blocks) * float64(v.F_bsize),
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free: float64(v.F_bfree) * float64(v.F_bsize),
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avail: float64(v.F_bavail) * float64(v.F_bsize),
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files: float64(v.F_files),
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filesFree: float64(v.F_ffree),
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ro: ro,
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})
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}
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return stats, nil
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}
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