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let
passwordFile = builtins.toFile "password" "password";
in {
power.ups = {
enable = true;
ups."UPS-1" = {
driver = "usbhid-ups";
port = "auto";
directives = [
"offdelay = 360"
"ondelay = 370"
"lowbatt = 40"
"ignorelb"
];
};
upsd = {
listen = [
{
address = "127.0.0.1";
port = 3493;
}
{
address = "::1";
port = 3493;
}
];
};
users."nut-admin" = {
# A file that contains just the password.
inherit passwordFile;
upsmon = "primary";
};
upsmon.monitor."UPS-1" = {
inherit passwordFile;
system = "UPS-1@localhost";
powerValue = 1;
user = "nut-admin";
type = "primary";
};
upsmon.settings = {
# This configuration file declares how upsmon is to handle
# NOTIFY events.
# POWERDOWNFLAG and SHUTDOWNCMD is provided by NixOS default
# values
# values provided by ConfigExamples 3.0 book
NOTIFYMSG = [
[ "ONLINE" ''"UPS %s: On line power."'' ]
[ "ONBATT" ''"UPS %s: On battery."'' ]
[ "LOWBATT" ''"UPS %s: Battery is low."'' ]
[ "REPLBATT" ''"UPS %s: Battery needs to be replaced."'' ]
[ "FSD" ''"UPS %s: Forced shutdown in progress."'' ]
[ "SHUTDOWN" ''"Auto logout and shutdown proceeding."'' ]
[ "COMMOK" ''"UPS %s: Communications (re-)established."'' ]
[ "COMMBAD" ''"UPS %s: Communications lost."'' ]
[ "NOCOMM" ''"UPS %s: Not available."'' ]
[ "NOPARENT" ''"upsmon parent dead, shutdown impossible."'' ]
];
NOTIFYFLAG = [
[ "ONLINE" "SYSLOG+WALL" ]
[ "ONBATT" "SYSLOG+WALL" ]
[ "LOWBATT" "SYSLOG+WALL" ]
[ "REPLBATT" "SYSLOG+WALL" ]
[ "FSD" "SYSLOG+WALL" ]
[ "SHUTDOWN" "SYSLOG+WALL" ]
[ "COMMOK" "SYSLOG+WALL" ]
[ "COMMBAD" "SYSLOG+WALL" ]
[ "NOCOMM" "SYSLOG+WALL" ]
[ "NOPARENT" "SYSLOG+WALL" ]
];
# every RBWARNTIME seconds, upsmon will generate a replace
# battery NOTIFY event
RBWARNTIME = 216000;
# every NOCOMMWARNTIME seconds, upsmon will generate a UPS
# unreachable NOTIFY event
NOCOMMWARNTIME = 300;
# after sending SHUTDOWN NOTIFY event to warn users, upsmon
# waits FINALDELAY seconds long before executing SHUTDOWNCMD
# Some UPS's don't give much warning for low battery and will
# require a value of 0 here for aq safe shutdown.
FINALDELAY = 0;
};
};
}
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