steffenba/proxmox-nut-shutdown.md

## proxmox-nut-shutdown.md

      
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              proxmox-nut-shutdown.md
            
          
    Scenario

Using a QNAP NAS connected to an EATON 3S UPS via USB, I wanted to do the following
In case of power loss:

Go to UPS Power
Start Timer
Abort Timer if Power restored
After 10 Minutes, shut down Proxmox (using ISCSI Storage provided by QNAP)
After 15 Minutes, shut down QNAP

For this, I found a solution in the Proxmox forums, that I just want to keep here as well, to ensure redundancy. Original Thread
Solution QNAP Primary, Proxmox Secondary


install nut-client package on Proxmox Host
confgure as follows:

/etc/nut/nut.conf
MODE=netclient

/etc/nut/upsmon.conf
RUN_AS_USER root

MONITOR qnapups@xxx.xxx.xxx.xxx 1 admin 123456 secondary

MINSUPPLIES 1
SHUTDOWNCMD "/sbin/shutdown -h"
NOTIFYCMD /usr/sbin/upssched
POLLFREQ 2
POLLFREQALERT 1
HOSTSYNC 15
DEADTIME 15
POWERDOWNFLAG /etc/killpower

NOTIFYMSG ONLINE    "UPS %s is back online"
NOTIFYMSG ONBATT    "UPS %s on battery"
NOTIFYMSG LOWBATT   "UPS %s battery low"
NOTIFYMSG FSD       "UPS %s: forced shutdown in progress"
NOTIFYMSG COMMOK    "Communcation to UPS %s reestablished"
NOTIFYMSG COMMBAD   "Communication to UPS %s lost"
NOTIFYMSG SHUTDOWN  "Auto logout and shutdown proceeding"
NOTIFYMSG REPLBATT  "UPS %s battery needs to be replaced"
NOTIFYMSG NOCOMM    "UPS %s unreachable"
NOTIFYMSG NOPARENT  "upsmon parent process died - shutdown impossible"

NOTIFYFLAG ONLINE   SYSLOG+WALL+EXEC
NOTIFYFLAG ONBATT   SYSLOG+WALL+EXEC
NOTIFYFLAG LOWBATT  SYSLOG+WALL
NOTIFYFLAG FSD      SYSLOG+WALL+EXEC
NOTIFYFLAG COMMOK   SYSLOG+WALL+EXEC
NOTIFYFLAG COMMBAD  SYSLOG+WALL+EXEC
NOTIFYFLAG SHUTDOWN SYSLOG+WALL+EXEC
NOTIFYFLAG REPLBATT SYSLOG+WALL
NOTIFYFLAG NOCOMM   SYSLOG+WALL+EXEC
NOTIFYFLAG NOPARENT SYSLOG+WALL

The admin account is static and provided by QNAP. The password can't be changed apparently.
On QNAP: Remember to add your Proxmox Host(s) to the whitelist!
/etc/nut/upssched.conf
CMDSCRIPT /etc/nut/upssched-cmd
PIPEFN /etc/nut/upssched.pipe
LOCKFN /etc/nut/upssched.lock

AT ONBATT * START-TIMER onbatt 600
AT ONLINE * CANCEL-TIMER onbatt online
AT LOWBATT * EXECUTE onbatt
AT COMMBAD * EXECUTE commbad_message
AT COMMOK * EXECUTE commok_message
AT NOCOMM * EXECUTE nocomm_message
AT SHUTDOWN * EXECUTE shutdown_message
AT SHUTDOWN * EXECUTE powerdown

/etc/nut/upssched-cmd (chmod +x)
#!/bin/sh

case $1 in
       onbatt)
          logger -t upssched-cmd "UPS on battery"
          /usr/sbin/upsmon -c fsd
          ;;
        commbad_message)
          echo "UPS disconnected" | mailx -s "Proxmox: UPS Warning" email@example.com
          ;;
        online)
          logger -t upssched-cmd "UPS back online"
          ;;
        commok_message)
          echo "UPS reconnected" | mailx -s "Proxmox: UPS Warning" email@example.com
          ;;
        nocomm_message)
          echo "UPS unreachable" | mailx -s "Proxmox: UPS Warning" email@example.com
          ;;
        shutdowncritical)
          logger -t upssched-cmd "UPS on battery critical, forced shutdown"
          ;;
        upsgone)
          logger -t upssched-cmd "UPS has been gone too long, can't reach"
          ;;
        shutdown_message)
          echo "Proxmox is being shut down" | mailx -s "Promox: UPS Warning" email@example.com
          ;;
       *)
          logger -t upssched-cmd "Unrecognized command: $1"
          ;;
esac


Restart NUT Service nut-monitor
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