Zabbix

//go:build !windows

// +build !windows

​

/*

** Zabbix

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package vfsfs

​

import (

    "bufio"

    "io"

    "os"

    "strings"

​

    "golang.org/x/sys/unix"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/plugin"

)

​

func init() {

    err := plugin.RegisterMetrics(

        &impl, "VfsFs",

        "vfs.fs.discovery", "List of mounted filesystems. Used for low-level discovery.",

        "vfs.fs.get", "List of mounted filesystems with statistics.",

        "vfs.fs.size", "Disk space in bytes or in percentage from total.",

        "vfs.fs.inode", "Disk space in bytes or in percentage from total.",

    )

    if err != nil {

        panic(errs.Wrap(err, "failed to register metrics"))

    }

}

​

func (p *Plugin) getFsInfoStats() (data []*FsInfoNew, err error) {

    allData, err := p.getFsInfo()

    if err != nil {

        return nil, err

    }

​

    fsmap := make(map[string]*FsInfoNew)

    fsStatCaller := p.newFSCaller(getFsStats, len(allData))

    fsInodeCaller := p.newFSCaller(getFsInode, len(allData))

​

    for _, info := range allData {

        bytes, err := fsStatCaller.run(*info.FsName)

        if err != nil {

            p.Debugf(`cannot discern stats for the mount %s: %s`, *info.FsName, err.Error())

            continue