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 main

​

import (

    "errors"

    "flag"

    "fmt"

    "io"

    "os"

    "os/signal"

    "path/filepath"

    "strings"

    "syscall"

    "time"

​

    "golang.zabbix.com/agent2/internal/agent"

    "golang.zabbix.com/agent2/internal/agent/keyaccess"

    "golang.zabbix.com/agent2/internal/agent/resultcache"

    "golang.zabbix.com/agent2/internal/agent/runtimecontrol"

    "golang.zabbix.com/agent2/internal/agent/scheduler"

    "golang.zabbix.com/agent2/internal/agent/serverconnector"

    "golang.zabbix.com/agent2/internal/agent/serverlistener"

    "golang.zabbix.com/agent2/internal/agent/statuslistener"

    "golang.zabbix.com/agent2/internal/monitor"

    "golang.zabbix.com/agent2/pkg/pidfile"

    "golang.zabbix.com/agent2/pkg/tls"

    "golang.zabbix.com/agent2/pkg/version"

    "golang.zabbix.com/agent2/pkg/zbxlib"

    _ "golang.zabbix.com/agent2/plugins"

    "golang.zabbix.com/sdk/conf"

    "golang.zabbix.com/sdk/errs"

    "golang.zabbix.com/sdk/log"

    "golang.zabbix.com/sdk/plugin/comms"

    "golang.zabbix.com/sdk/zbxerr"

    "golang.zabbix.com/sdk/zbxflag"

)

​

const runtimeCommandSendingTimeout = time.Second

​

const usageMessageFormatRuntimeControlFormat = //

`Perform administrative functions (%s timeout)

​

    Remote control interface, available commands:

      log_level_increase     Increase log level

      log_level_decrease     Decrease log level

      userparameter_reload   Reload user parameters

      metrics                List available metrics

      version                Display Agent version

`

​

const usageMessageFormat = //

`Usage of Zabbix agent 2:

  %[1]s [-c config-file]

  %[1]s [-c config-file] [-v] -p

  %[1]s [-c config-file] [-v] -t item-key

  %[1]s [-c config-file] -T

  %[1]s [-c config-file] -R runtime-option

  %[1]s -h

  %[1]s -V

`

​

const helpMessageFormat = //

`A Zabbix daemon for monitoring of various server parameters.

​

Options:

%[1]s

​

Example: zabbix_agent2 -c %[2]s

​

Report bugs to: <https://support.zabbix.com>

Zabbix home page: <https://www.zabbix.com>

Documentation: <https://www.zabbix.com/documentation>

`

​

// variables set at build

var (

    confDefault     string

    applicationName string