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当 UPS 切换到电池电源时，NUT 关闭脚本不运行（“返回 1”）

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当 UPS 切换到电池电源时，NUT 关闭脚本不运行（“返回 1”）

我第一次在 ubuntu 上设置 UPS。我完全按照这里的说明进行操作：https://www.sobyte.net/post/2023-03/ups-nut-configuration-tutorial/

我的 UPS 是 PowerShield Defender 650。
正确的驱动程序是“blazer_usb”。
我已命名该设备屏蔽和命令如

upsc pshield

工作正常。

系统日志还显示系统确实可以识别电池电源何时被激活。例如：

01/12/2024 9:43:20 PM
Jan 12 21:43:19 barbelith upsmon[2624]: UPS pshield@localhost on battery
01/12/2024 9:43:20 PM
Jan 12 21:43:19 barbelith upssched[154701]: Timer daemon started
01/12/2024 9:43:20 PM
Jan 12 21:43:19 barbelith upssched[154701]: New timer: onbattwarn (10 seconds)
01/12/2024 9:43:20 PM
Jan 12 21:43:19 barbelith upssched[154700]: Executing command: onbattnoti
01/12/2024 9:43:20 PM
Jan 12 21:43:19 barbelith upssched[154700]: exec_cmd(/opt/scripts/upssched-cmd.sh onbattnoti) returned 1
01/12/2024 9:43:30 PM
Jan 12 21:43:29 barbelith upssched[154701]: Event: onbattwarn 
01/12/2024 9:43:30 PM
Jan 12 21:43:29 barbelith upssched[154701]: exec_cmd(/opt/scripts/upssched-cmd.sh onbattwarn) returned 1
01/12/2024 9:43:45 PM
Jan 12 21:43:44 barbelith upssched[154701]: Timer queue empty, exiting

但实际的脚本（/opt/scripts/upssched-cmd.sh）似乎没有运行。即，系统没有关闭。 我怎样才能解决这个问题？

相关文件：

/opt/scripts/upssched-cmd.sh

#!/usr/bin/env bash
# from https://www.sobyte.net/post/2023-03/ups-nut-configuration-tutorial/
set -ex

exec >> /var/log/upssched-cmd.log 2>&1

# Functions mainly responsible for shutting down the system
function xpoweroff(){
    logger -t upssched-cmd 'Preparing to shut down barbelith...'
    logger -t upssched-cmd 'All necessary systems have been successfully shut down....'
}

# Determine the event triggered by upssched
case $1 in
    onbattwarn)
        logger -t upssched-cmd 'The UPS has switched to battery power, ready to safely shut down the system...'
        xpoweroff
        ;;
    ups-back-on-line)
        logger -t upssched-cmd 'Municipal power has been restored...'
        ;;
    lowbatt)
        logger -t upssched-cmd 'UPS power is low, shut down the system immediately...'
        xpoweroff
        ;;
    *)
        logger -t upssched-cmd "Unrecognized command: $1"
        ;;
esac

/etc/nut/ups.conf

[pshield]
        driver = "blazer_usb"
        port = "auto"
        vendorid = "0665"
        productid = "5161"
        bus = "001"

/etc/nut/upsd.conf

LISTEN 0.0.0.0 3493

/etc/nut/upsmon.conf

SHUTDOWNCMD "/usr/sbin/poweroff"
MONITOR pshield@localhost 1 monuser PASSWORD master
NOTIFYCMD /usr/sbin/upssched
NOTIFYFLAG ONLINE SYSLOG+EXEC+WALL
NOTIFYFLAG ONBATT SYSLOG+EXEC+WALL
NOTIFYFLAG LOWBATT SYSLOG+EXEC

/etc/nut/upssched.conf

CMDSCRIPT /opt/scripts/upssched-cmd.sh
PIPEFN /run/nut/upssched.pipe
LOCKFN /run/nut/upssched.lock
AT ONBATT * START-TIMER onbattwarn 30
AT ONLINE * CANCEL-TIMER onbattwarn
AT ONBATT * EXECUTE onbattnoti

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