nut (network ups tools) conf and scripts

nut/nut.conf

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+MODE=standalone

nut/ups.conf

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+# Refer to hardware compatibility list
+# http://www.networkupstools.org/stable-hcl.html
+
+[myups]
+driver=usbhid-ups
+port=auto
+desc="Some generic USB UPS"
+
+#[serial]
+#driver=genericups
+#upstype=7
+#port=/dev/ttyS0
+#desc="Some generic serial UPS"
+
+#[specific]
+#driver=megatec_usb
+#port=/dev/usb/hiddev0
+#desc="A specific model"

nut/upsd.conf

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+LISTEN 127.0.0.1
+LISTEN ::1

nut/upsd.users

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+[USER]
+password = PASS
+upsmon master

nut/upsmon.conf

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+# upsmon.conf(8) second arg is powervalue: 1 if it powers this system else 0
+# use 1 when this system needs shutdown, 0 when just monitoring
+MONITOR myups 1 USER PASS master
+
+SHUTDOWNCMD "/sbin/shutdown -h now"
+
+NOTIFYCMD /sbin/upssched
+
+NOTIFYFLAG ONLINE   SYSLOG+WALL+EXEC
+NOTIFYFLAG ONBATT   SYSLOG+WALL+EXEC
+NOTIFYFLAG LOWBATT  SYSLOG+WALL+EXEC
+NOTIFYFLAG FSD      SYSLOG+WALL+EXEC
+NOTIFYFLAG COMMOK   SYSLOG+EXEC
+NOTIFYFLAG COMMBAD  SYSLOG+EXEC
+NOTIFYFLAG SHUTDOWN SYSLOG+WALL+EXEC
+NOTIFYFLAG REPLBATT SYSLOG+EXEC
+NOTIFYFLAG NOCOMM   SYSLOG+EXEC
+NOTIFYFLAG NOPARENT SYSLOG+EXEC

nut/upssched-cmd.sh

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+#!/bin/bash
+# Dispatch actions on UPS events.
+
+main() {
+  local ups timer host to
+  ups=${1%%_*}
+  timer=${1#*_}
+  host=$(hostname)
+  to=root
+
+  case "$timer" in
+    "fsd")
+      date | mail -s "[$ups@$host] Forced shutdown" $to
+      shutdown ;;
+    "onbatt")
+      date | mail -s "[$ups@$host] Power lost, running on battery" $to
+      touch /var/run/nut/onbatt ;;
+    "onbatt-toolong")
+      date | mail -s "[$ups@$host] Too long on battery, forcing shutdown" $to
+      touch /var/run/nut/onbatt-toolong
+      shutdown ;;
+    "online")
+      date | mail -s "[$ups@$host] Power is back" $to
+      rm -f /var/run/nut/onbatt /var/run/nut/onbatt-toolong ;;
+    "lowbatt")
+      date | mail -s "[$ups@$host] Low battery" $to ;;
+    "commok")
+      date | mail -s "[$ups@$host] Communications OK" $to ;;
+    "commbad")
+      date  | mail -s "[$ups@$host] Communications lost" $to ;;
+    "shutdown")
+      date | mail -s "[$ups@$host] System being shutdown" $to ;;
+    "replbatt")
+      date | mail -s "[$ups@$host] Bad battery, replace it" $to ;;
+    "nocomm")
+      date | mail -s "[$ups@$host] UPS unavailable" $to ;;
+    "noparent")
+      date | mail -s "[$ups@$host] Shutdown impossible, parent died" $to ;;
+    *)
+      logger -t upssched-cmd "Unrecognized command: $timer ($1)" ;;
+  esac
+}
+
+shutdown() {
+  ssh -i /etc/nut/shutdown.key root@othermachine halt
+  /sbin/upsmon -c fsd
+}
+
+if [[ "${BASH_SOURCE[0]}" = "$0" ]]; then
+  main "$@"
+fi

nut/upssched.conf

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+CMDSCRIPT /etc/nut/upssched-cmd.sh
+
+PIPEFN /var/run/nut/upssched.pipe
+LOCKFN /var/run/nut/upssched.lock
+
+# Syntax: AT notifytype upsname command
+
+# We choose command format: <upsname>_<triggername>
+# so it can be parsed in CMDSCRIPT.
+
+# myups
+AT ONLINE   myups EXECUTE myups_online
+AT ONBATT   myups EXECUTE myups_onbatt
+AT LOWBATT  myups EXECUTE myups_lowbatt
+AT FSD      myups EXECUTE myups_fsd
+AT COMMOK   myups EXECUTE myups_commok
+AT COMMBAD  myups EXECUTE myups_commbad
+AT SHUTDOWN myups EXECUTE myups_shutdown
+AT REPLBATT myups EXECUTE myups_replbatt
+AT NOCOMM   myups EXECUTE myups_nocomm
+AT NOPARENT myups EXECUTE myups_noparent
+# Start a timer that will execute when UPS is on battery for 30 seconds.
+AT ONBATT   myups START-TIMER  myups_onbatt-toolong 30
+# Stop if power is back.
+AT ONLINE   myups CANCEL-TIMER myups_onbatt-toolong
+
+# repeat for other UPSes