Zabbix

//go:build !windows

// +build !windows

​

/*

** 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 Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

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

        }

​

        inodes, err := fsInodeCaller.run(*info.FsName)

        if err != nil {

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