prometheus node_exporter and NUT setup raspi-os

fix_usbmount.sh

#!/bin/bash
set -euo pipefail
# first elevate to root
if [[ $EUID != 0 ]]; then
    sudo "$0" "$@"
    exit $?
fi

mkdir -p /etc/systemd/system/systemd-udevd.service.d
tee /etc/systemd/system/systemd-udevd.service.d/mountflags.conf <<EOF
[Service]
PrivateMounts=no
EOF

mkdir -p /var/run/usbmount
ln -s /media/usb0 /var/run/usbmount/WD_easystore_25FB_1

install_docker.sh

#!/bin/bash
set -euo pipefail
# first elevate to root
if [[ $EUID != 0 ]]; then
    sudo "$0" "$@"
    exit $?
fi

mkdir -p /etc/apt/keyrings
 curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg

echo \
  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
  $(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null

apt update
apt -y install docker-ce docker-ce-cli containerd.io docker-compose-plugin

install_node_exporter.sh

#!/bin/bash
# first elevate to root
if [[ $EUID != 0 ]]; then
    sudo "$0" "$@"
    exit $?
fi
arch=$(uname -m)
version=$(curl -I https://github.com/prometheus/node_exporter/releases/latest -s | egrep ^location | awk -F'v' '{ print $NF}' | tr -d "\r\n")
target=$(
case $arch in
  ("aarch64") echo "arm64" ;;
  ("armv8")   echo "armv7" ;;
  ("armv7l")  echo "armv7" ;;
  ("armv6l")  echo "armv6" ;;
  (*) echo $arch ;;
esac)

wget https://github.com/prometheus/node_exporter/releases/download/v${version}/node_exporter-${version}.linux-${target}.tar.gz
tar xzvf node_exporter-${version}.linux-${target}.tar.gz
useradd -rs /bin/false node_exporter
mv node_exporter-${version}.linux-${target}/node_exporter /usr/local/bin/
rm -rf node_exporter-${version}.linux-${target}/

tee /etc/systemd/system/node_exporter.service <<EOF
[Unit]
Description=Node Exporter
After=network.target

[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl start node_exporter
systemctl enable node_exporter

install_nut.sh

#!/bin/bash
set -euo pipefail
# first elevate to root
if [[ $EUID != 0 ]]; then
    sudo "$0" "$@"
    exit $?
fi

apt -y install nut nut-cgi fcgiwrap msmtp

tee /etc/nut/hosts.conf <<EOF
# Network UPS Tools: example hosts.conf
#
# This file is used to control the CGI programs.  If you have not
# installed them, you may safely ignore or delete this file.
#
# -----------------------------------------------------------------------
#
# upsstats will use the list of MONITOR entries when displaying the
# default template (upsstats.html).  The "FOREACHUPS" directive in the
# template will use this file to find systems running upsd.
#
# upsstats and upsimage also use this file to determine if a host may be
# monitored.  This keeps evil people from using your system to annoy
# others with unintended queries.
#
# upsset presents a list of systems that may be viewed and controlled
# using this file.
#
# -----------------------------------------------------------------------
#
# Usage: list systems running upsd that you want to monitor
#
# MONITOR <system> "<host description>"
MONITOR cyberpower@closetpi.lan "Closetpi - CyberPower SL750U LV Cabinet"
MONITOR CP685AVR@mediapi.lan "Mediapi - CP685AVR"
EOF

tee /etc/nut/notifycmd.sh <<'EOF'
#!/bin/bash
EMAIL='greg.cochard@gmail.com'
printf "Subject: NUT ALERT\nFrom: nut@cochard.io\nTo: $EMAIL\n\nUPS: $UPSNAME\r\nAlert Type: $NOTIFYTYPE" | msmtp $EMAIL
EOF
chmod +x /etc/nut/notifycmd.sh

tee /etc/nut/nut.conf <<EOF
MODE=standalone
EOF

tee /etc/nut/ups.conf <<EOF
# Set maxretry to 3 by default, this should mitigate race with slow devices:
maxretry = 3

[CP685AVR]
	driver = usbhid-ups
	port = auto
	vendorid = 0764
	pollinterval = 15
EOF

tee /etc/nut/upsd.conf <<EOF
MAXAGE 25
LISTEN 0.0.0.0 3493
EOF

tee /etc/nut/upsd.users <<EOF
[admin]
	password = admin
	action = SET
	instcmds = ALL
	upsmon master
EOF

tee /etc/nut/upsmon.conf <<EOF
MINSUPPLIES 1
SHUTDOWNCMD "/sbin/shutdown -h +0"
POLLFREQ 5
POLLFREQALERT 5
HOSTSYNC 15
DEADTIME 15
POWERDOWNFLAG /etc/killpower
RBWARNTIME 43200
NOCOMMWARNTIME 300
FINALDELAY 5

MONITOR CP685AVR@localhost 1 admin admin master
NOTIFYCMD /etc/nut/notifycmd.sh
NOTIFYFLAG ONLINE	SYSLOG+WALL+EXEC
NOTIFYFLAG ONBATT	SYSLOG+WALL+EXEC
NOTIFYFLAG LOWBATT	SYSLOG+WALL+EXEC
NOTIFYFLAG FSD		SYSLOG+WALL+EXEC
NOTIFYFLAG COMMOK	SYSLOG+WALL+EXEC
NOTIFYFLAG COMMBAD	SYSLOG+WALL+EXEC
NOTIFYFLAG SHUTDOWN	SYSLOG+WALL+EXEC
NOTIFYFLAG REPLBATT	SYSLOG+WALL+EXEC
NOTIFYFLAG NOCOMM	SYSLOG+WALL+EXEC
NOTIFYFLAG NOPARENT	SYSLOG+WALL+EXEC
DEADTIME 25
EOF

tee /etc/nut/upssched.conf <<EOF
CMDSCRIPT /bin/upssched-cmd
EOF

tee /etc/nut/upsset.conf <<EOF
I_HAVE_SECURED_MY_CGI_DIRECTORY
EOF

tee /etc/nut/upsstats-single.html <<'EOF'
<!-- upsstats template file -->

<!--
	This is upsstats-single.html, a template for monitoring a single
	host.  This mode is selected by adding "host=<host>" to the
	upsstats.cgi URL.

	Such URLs are generated automatically when using the HOSTLINK
	command.

	See upsstats.html(5) for more information on template files.
-->

<!-- change this to TEMPF if you don't like Celsius. -->

@TEMPC@
@UPSSTATSPATH upsstats.cgi@
@UPSIMAGEPATH upsimage.cgi@

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
	"http://www.w3.org/TR/REC-html40/loose.dtd">
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
@REFRESH@
<title>@HOSTDESC@ : @VAR ups.model@ on @HOST@</title>
<!-- LINK REL="stylesheet" TYPE="text/css" HREF="http://localhost/nut/nut.css" / -->
</head>
<body BGCOLOR="#808080" TEXT="#00FC00" LINK="#0000EE" VLINK="#551A8B">

<table BORDER="1" ALIGN="CENTER" CELLSPACING="0" CELLPADDING="10" BGCOLOR="#000000">

<tr>
<th COLSPAN="20">Network UPS Tools upsstats @VERSION@ - @HOSTDESC@ - @VAR ups.model@ on @HOST@</th>
</tr>

<tr>
<th>@DATE %a %b %d %X %Z %Y@</th>
@IFSUPP ambient.temperature@
<th>Ambient</th>
@ELSE@
@IFSUPP ambient.humidity@
<th>Ambient</th>
@ENDIF@
<th>Battery</th>
<th>Input</th>
<th>Output</th>
<th>Load</th>
</tr>

<tr>

<td BGCOLOR="#000000" VALIGN="TOP">

<table BORDER="0">	<!-- table 2 -->

<tr>
<th ALIGN="RIGHT">UPS Model:</th>
<td>@VAR ups.model@</td>
</tr>

<tr>
<th ALIGN="RIGHT">Status:</th>
<td>@STATUS@</td>
</tr>

@IFSUPP battery.runtime@
<tr>
<th ALIGN="RIGHT">Runtime:</th>
<td>@RUNTIME@</td>
</tr>
@ENDIF@

@IFSUPP ups.temperature@
<tr>
<th ALIGN="RIGHT">UPS temp:</th>
<td>@UPSTEMP@ @DEGREES@</td>
</tr>
@ENDIF@

@IFSUPP battery.voltage@
<tr>
<th ALIGN="RIGHT">Battery: </th>
<td>@VAR battery.voltage@ V@IFSUPP battery.current@, @VAR battery.current@ A</td>
@ENDIF@

<tr>
<th VALIGN="TOP" ALIGN="RIGHT">Input: </th>

<td>

@IFSUPP input.L2-L3.voltage@
@VAR input.L1-L2.voltage@ V<br>
@VAR input.L2-L3.voltage@ V<br>
@VAR input.L3-L1.voltage@ V<br>
</td>
</tr>
@ELSE@
@IFSUPP input.L2-N.voltage@
@VAR input.L1-N.voltage@ V<br>
@VAR input.L2-N.voltage@ V<br>
@VAR input.L3-N.voltage@ V<br>
</td>
</tr>
@ELSE@
@IFSUPP input.voltage@
@VAR input.voltage@ V<br>
</td>
</tr>
@ENDIF@

@IFSUPP input.L2.current@
<tr>
<th>
<td>
@VAR input.L1.current@ A<br>
@VAR input.L2.current@ A<br>
@VAR input.L3.current@ A<br>
</td>
</tr>
@ELSE@
@IFSUPP input.current@
<tr>
<th>
<td>
@VAR input.current@ A
</td>
</tr>
@ENDIF@

@IFSUPP input.frequency@
<tr>
<th>
<td>
@VAR input.frequency@ Hz
</td>
</tr>
@ENDIF@

<tr>
<th VALIGN="TOP" ALIGN="RIGHT">Output: </th>
<td>

@IFSUPP output.L2-L3.voltage@
@VAR output.L1-L2.voltage@ V<br>
@VAR output.L2-L3.voltage@ V<br>
@VAR output.L3-L1.voltage@ V<br>
</td>
</tr>
@ELSE@
@IFSUPP output.L2-N.voltage@
@VAR output.L1-N.voltage@ V<br>
@VAR output.L2-N.voltage@ V<br>
@VAR output.L3-N.voltage@ V<br>
</td>
</tr>
@ELSE@
@IFSUPP output.voltage@
@VAR output.voltage@  V
</td>
</tr>
@ENDIF@

@IFSUPP output.L2.current@
<tr>
<th>
<td>
@VAR output.L1.current@ A<br>
@VAR output.L2.current@ A<br>
@VAR output.L3.current@ A<br>
</td>
</tr>
@ELSE@
@IFSUPP output.current@
<tr>
<th>
<td>
@VAR output.current@ A
</td>
</tr>
@ENDIF@

@IFSUPP output.frequency@
<tr>
<th>
<td>
@VAR output.frequency@ Hz
</td>
</tr>
@ENDIF@

</table>		<!-- table 2 -->
</td>

@IFSUPP ambient.temperature@
@IFSUPP ambient.humidity@
<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
<td ALIGN="CENTER">Temperature<br>@IMG ambient.temperature tempmin=0 tempmax=50 width=90@</td>
<td ALIGN="CENTER">Humidity<br>@IMG ambient.humidity width=90@</td>
</tr></table>
</td>
@ELSE@
@IFSUPP ambient.temperature@
<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
<td ALIGN="CENTER">Temperature<br>@IMG ambient.temperature tempmin=0 tempmax=50@</td>
</tr></table>
</td>
@ELSE@
@IFSUPP ambient.humidity@
<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
<td ALIGN="CENTER">Humidity<br>@IMG ambient.humidity@</td>
</tr></table>
</td>
@ENDIF@

<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
@IFSUPP battery.charge@
@IFSUPP battery.voltage@
<td ALIGN="CENTER">Charge<br>@IMG battery.charge width=90@</td>
<td ALIGN="CENTER">Voltage<br>@IMG battery.voltage width=90@</td>
@ELSE@
@IFSUPP battery.charge@
<td ALIGN="CENTER">Charge<br>@IMG battery.charge@</td>
@ELSE@
<td ALIGN="CENTER">Voltage<br>@IMG battery.voltage@</td>
@ENDIF@
</tr></table>
</td>

<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
@IFSUPP input.L2-L3.voltage@
<td ALIGN="CENTER">L1-L2<br>@IMG input.L1-L2.voltage width=68@</td>
<td ALIGN="CENTER">L2-L3<br>@IMG input.L2-L3.voltage width=68@</td>
<td ALIGN="CENTER">L3-L1<br>@IMG input.L3-L1.voltage width=68@</td>
@ELSE@
@IFSUPP input.L2-N.voltage@
<td ALIGN="CENTER">L1-N<br>@IMG input.L1-N.voltage width=68@</td>
<td ALIGN="CENTER">L2-N<br>@IMG input.L2-N.voltage width=68@</td>
<td ALIGN="CENTER">L3-N<br>@IMG input.L3-N.voltage width=68@</td>
@ELSE@
<td ALIGN="CENTER"><br>@IMG input.voltage@</td>
@ENDIF@
</tr></table>
</td>

<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
@IFSUPP output.L2-L3.voltage@
<td ALIGN="CENTER">L1-L2<br>@IMG output.L1-L2.voltage width=68@</td>
<td ALIGN="CENTER">L2-L3<br>@IMG output.L2-L3.voltage width=68@</td>
<td ALIGN="CENTER">L3-L1<br>@IMG output.L3-L1.voltage width=68@</td>
@ELSE@
@IFSUPP output.L2-N.voltage@
<td ALIGN="CENTER">L1-N<br>@IMG output.L1-N.voltage width=68@</td>
<td ALIGN="CENTER">L2-N<br>@IMG output.L2-N.voltage width=68@</td>
<td ALIGN="CENTER">L3-N<br>@IMG output.L3-N.voltage width=68@</td>
@ELSE@
<td ALIGN="CENTER"><br>@IMG output.voltage@</td>
@ENDIF@
</tr></table>
</td>

<td ALIGN="CENTER" VALIGN="TOP" BGCOLOR="#000000">
<table BORDER="0"><tr>
@IFSUPP output.L2.power.percent@
<td ALIGN="CENTER">L1<br>@IMG output.L1.power.percent width=68@</td>
<td ALIGN="CENTER">L2<br>@IMG output.L2.power.percent width=68@</td>
<td ALIGN="CENTER">L3<br>@IMG output.L3.power.percent width=68@</td>
@ELSE@
@IFSUPP output.L2.realpower.percent@
<td ALIGN="CENTER">L1<br>@IMG output.L1.realpower.percent width=68@</td>
<td ALIGN="CENTER">L2<br>@IMG output.L2.realpower.percent width=68@</td>
<td ALIGN="CENTER">L3<br>@IMG output.L3.realpower.percent width=68@</td>
@ELSE@
<td ALIGN="CENTER"><br>@IMG ups.load@</td>
@ENDIF@
</tr></table>
</td>

</tr>

</table>

</body>
</html>
EOF

tee /etc/nut/upsstats.html <<'EOF'
<!-- upsstats template file -->

<!--
	This (upsstats.html) is the default template file which is used
	when upsstats.cgi is loaded with no arguments.

	It usually contains a FOREACHUPS block to iterate through every
	UPS in the hosts.conf.

	See upsstats.html(5) for more information on template files.
-->

<!-- change this to TEMPF if you don't like Celsius. -->

@TEMPC@
@UPSSTATSPATH upsstats.cgi@
@UPSIMAGEPATH upsimage.cgi@

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"
	"http://www.w3.org/TR/REC-html40/loose.dtd">
<html>

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
@REFRESH@
<title>
Network UPS Tools upsstats
@VERSION@
: UPS Status
</title>
<!-- link rel="stylesheet" type="text/css" href="nut.css" / -->
@REFRESH@
</head>
<body BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000EE" VLINK="#551A8B">

<table BGCOLOR="#50A0A0" ALIGN="CENTER">
<tr><td>

<table CELLPADDING="5">
<tr>
<th COLSPAN="10" BGCOLOR="#60B0B0">

<font SIZE="+2">Network UPS Tools upsstats
@VERSION@
</font>

<br>
@DATE %a %b %d %X %Z %Y@
</th>

</tr>

<tr BGCOLOR="#60B0B0">
<th COLSPAN="1">System</th>
<th COLSPAN="1">Model</th>
<th COLSPAN="1">Status</th>
<th COLSPAN="1">Battery</th>
<th COLSPAN="1">Input (VAC)</th>
<th COLSPAN="1">Output (VAC)</th>
<th COLSPAN="1">Load (%)</th>
<th COLSPAN="1">UPS<br>Temp</th>
<th COLSPAN="1">Battery<br>Runtime</th>
<th COLSPAN="1">Data<br>Tree</th>
</tr>

@FOREACHUPS@

<tr ALIGN=CENTER>
<td BGCOLOR="#00FFFF">
@HOSTLINK@
</td>

<td BGCOLOR="#00FFFF">
@VAR ups.model@
</td>

<td BGCOLOR="@STATUSCOLOR@">
@STATUS@
</td>

<td BGCOLOR="#00FF00">
@IFSUPP battery.charge@
@VAR battery.charge@
%
@ENDIF@
</td>

@IFSUPP input.L2-L3.voltage@
@IFBETWEEN input.transfer.low input.transfer.high input.L1-L2.voltage@
@IFBETWEEN input.transfer.low input.transfer.high input.L2-L3.voltage@
@IFBETWEEN input.transfer.low input.transfer.high input.L3-L1.voltage@
<td BGCOLOR="#00FF00">
@ELSE@
@IFSUPP input.L2-N.voltage@
@IFBETWEEN input.transfer.low input.transfer.high input.L1-N.voltage@
@IFBETWEEN input.transfer.low input.transfer.high input.L2-N.voltage@
@IFBETWEEN input.transfer.low input.transfer.high input.L3-N.voltage@
<td BGCOLOR="#00FF00">
@ELSE@
@IFBETWEEN input.transfer.low input.transfer.high input.voltage@
<td BGCOLOR="#00FF00">
@ELSE@
<td BGCOLOR="#FF0000">
@ENDIF@

@IFSUPP input.L2-L3.voltage@
@VAR input.L1-L2.voltage@
@VAR input.L2-L3.voltage@
@VAR input.L3-L1.voltage@
@ELSE@
@IFSUPP input.L2-N.voltage@
@VAR input.L1-N.voltage@
@VAR input.L2-N.voltage@
@VAR input.L3-N.voltage@
@ELSE@
@IFSUPP input.voltage@
@VAR input.voltage@
@ENDIF@
</td>

<td BGCOLOR="#00FF00">
@IFSUPP output.L2-L3.voltage@
@VAR output.L1-L2.voltage@
@VAR output.L2-L3.voltage@
@VAR output.L3-L1.voltage@
@ELSE@
@IFSUPP output.L2-N.voltage@
@VAR output.L1-N.voltage@
@VAR output.L2-N.voltage@
@VAR output.L3-N.voltage@
@ELSE@
@IFSUPP output.voltage@
@VAR output.voltage@
@ENDIF@
</td>

<td BGCOLOR="#00FF00">
@IFSUPP output.L2.power.percent@
@VAR output.L1.power.percent@
@VAR output.L2.power.percent@
@VAR output.L3.power.percent@
@ELSE@
@IFSUPP output.L2.realpower.percent@
@VAR output.L1.realpower.percent@
@VAR output.L2.realpower.percent@
@VAR output.L3.realpower.percent@
@ELSE@
@IFSUPP ups.load@
@VAR ups.load@
%
@ENDIF@
</td>

<td BGCOLOR="#00FF00">
@IFSUPP ups.temperature@
@UPSTEMP@
@DEGREES@
@ELSE@
@IFSUPP battery.temperature@
@BATTTEMP@
@DEGREES@
@ENDIF@
</td>

<td BGCOLOR="#00FF00">
@IFSUPP battery.runtime@
@RUNTIME@
@ENDIF@
</td>

<td BGCOLOR="#00FF00">
@TREELINK@
</td>
</tr>

@ENDFOR@

</table>

</td></tr>
</table>

</body></html>
EOF

tee /etc/nginx/sites-available/nut <<'EOF'
server {
	location /nut {
		alias /usr/share/nut/www/;
		try_files $uri $uri/ /index.html;
	}
	location /cgi-bin/ {
		gzip off;
		root /usr/lib;

		include fastcgi_params;
		fastcgi_pass unix:/var/run/fcgiwrap.socket;
		fastcgi_param SCRIPT_FILENAME  $document_root$fastcgi_script_name;
	}
}
EOF

tee /etc/msmtprc <<EOF

defaults
auth		on
tls		on
tls_certcheck	on
tls_trust_file /etc/ssl/certs/ca-certificates.crt

acount		default
host		smtp.gmail.com
protocol	smtp
port		587
from		nut@cochard.io
user		greg@cochard.io
password	********
EOF

chmod 644 /etc/nut/hosts.conf
chmod 644 /etc/nut/*.html
chown www-data:www-data /usr/lib/cgi-bin/nut/*.cgi
systemctl restart fcgiwrap.service
systemctl restart fcgiwrap.socket
systemctl restart nginx

install_plex.sh

#!/bin/bash
set -euo pipefail
# first elevate to root
if [[ $EUID != 0 ]]; then
    sudo "$0" "$@"
    exit $?
fi

echo deb https://downloads.plex.tv/repo/deb public main > /etc/apt/sources.list.d/plexmediaserver.list
curl https://downloads.plex.tv/plex-keys/PlexSign.key | apt-key add -

apt update
apt -y install plexmediaserver