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 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 smart

​

import (

    "context"

    "errors"

    "os/exec"

    "runtime"

    "strings"

    "time"

​

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/log"

)

​

var _ SmartController = (*SmartCtl)(nil)

​

// SmartController describes the signature for a smartctl runner.

type SmartController interface {

    Execute(args ...string) ([]byte, error)

}

​

// SmartCtl is a smartctl command runner for nix systems.

// Implements the SmartController interface.

type SmartCtl struct {

    commandPath string

    logr        log.Logger

    timeout     time.Duration

}

​

// NewSmartCtl creates a new SmartCtl instance.

func NewSmartCtl(logr log.Logger, path string, timeoutSecs int) *SmartCtl {

    if path == "" {

        path = "smartctl"

    }

​

    return &SmartCtl{

        commandPath: path,

        logr:        logr,

        timeout:     time.Second * time.Duration(timeoutSecs),

    }

}

​

// Execute executes the smartctl command with the specified arguments as root.

// Does not return error on non-zero exit code. This is done because smartctl

// returns non-zero exit codes even when command executed successfully, in cases

// like when a disc is failing.

// https://linux.die.net/man/8/smartctl

func (s *SmartCtl) Execute(args ...string) ([]byte, error) {

    _, err := exec.LookPath(s.commandPath)