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226c80c83c
Add support for allow lists of filesystem mount points and filesystem types. This allows for less messy regexps when you want to target only specific lists of mount points or filesystem types. Signed-off-by: Ben Kochie <superq@gmail.com>
66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// Copyright 2024 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 !nofilesystem
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// +build !nofilesystem
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package collector
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import (
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"github.com/power-devops/perfstat"
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)
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const (
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defMountPointsExcluded = "^/(dev|aha)($|/)"
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defFSTypesExcluded = "^procfs$"
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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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fsStat, err := perfstat.FileSystemStat()
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if err != nil {
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return nil, err
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}
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for _, stat := range fsStat {
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if c.mountPointFilter.ignored(stat.MountPoint) {
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c.logger.Debug("Ignoring mount point", "mountpoint", stat.MountPoint)
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continue
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}
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fstype := stat.TypeString()
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if c.fsTypeFilter.ignored(fstype) {
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c.logger.Debug("Ignoring fs type", "type", fstype)
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continue
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}
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ro := 0.0
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if stat.Flags&perfstat.VFS_READONLY != 0 {
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ro = 1.0
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}
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stats = append(stats, filesystemStats{
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labels: filesystemLabels{
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device: stat.Device,
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mountPoint: stat.MountPoint,
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fsType: fstype,
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},
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size: float64(stat.TotalBlocks / 512.0),
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free: float64(stat.FreeBlocks / 512.0),
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avail: float64(stat.FreeBlocks / 512.0), // AIX doesn't distinguish between free and available blocks.
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files: float64(stat.TotalInodes),
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filesFree: float64(stat.FreeInodes),
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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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