Files
rpi-mqtt-monitor/install.sh
2022-03-17 01:38:32 +02:00

104 lines
2.3 KiB
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printm () {
line="------"
length=$(expr length "$1")
printf -- '-%.0s' $(seq $length); echo ""
echo "$1"
printf -- '-%.0s' $(seq $length); echo ""
}
printm "Raspberry Pi MQTT monitor installer"
check_and_install_pip () {
cwd=$(pwd)
python=$(which python)
pip=$(python -m pip --version 2>&1);
if [[ "$pip" == *"No"* ]]; then
echo "- Pip is not installed, installing it."
sudo apt install python-pip
else
tput setaf 2; echo "+ Found $pip"
tput sgr 0
fi
}
check_and_install_paho () {
pip=$(pip list | grep "paho-mqtt");
if [[ "$pip" == *"paho-mqtt"* ]]; then
echo "+ Found $pip"
else
echo "- Paho-mqtt is not installed, installing it."
pip install paho-mqtt
fi
}
update_config () {
printf "\nCopy config.py.example to config.py\n"
cp src/config.py.example src/config.py
printm "MQTT settings"
printf "Enter mqtt_host: "
read HOST
sed -i "s/ip address or host/${HOST}/" src/config.py
printf "Enter mqtt_user: "
read USER
sed -i "s/username/${USER}/" src/config.py
printf "Enter mqtt_password: "
read PASS
sed -i "s/\"password/\"${PASS}/" src/config.py
printf "Enter mqtt_port (default is 1883): "
read PORT
if [ -z "$PORT" ]; then
PORT=1883
fi
sed -i "s/1883/${PORT}/" src/config.py
printf "Enter mqtt_topic_prefix (default is rpi-MQTT-monitor): "
read TOPIC
if [ -z "$TOPIC" ]; then
TOPIC=rpi-MQTT-monitor
fi
sed -i "s/rpi-MQTT-monitor/${TOPIC}/" src/config.py
printf "\nconfig.py is updated with provided settings\n"
}
set_cron () {
printm "Setting Cronjob"
crontab -l > tempcron
if grep -q rpi-cpu2mqtt.py tempcron; then
cronfound=$(grep rpi-cpu2mqtt.py tempcron)
echo " There is already a cronjob running rpi-cpu2mqtt.py - skipping cronjob creation"
printf " If you want the cronjob to be automatically created remove the line below from your\n cronjobs list and run the installer again.\n"
echo "${cronfound}"
else
printf "How often do you want the script to run in minutes? "
read MIN
echo "Adding the line below to your crontab"
echo "*/${MIN} * * * * ${python} ${cwd}/src/rpi-cpu2mqtt.py"
echo "*/${MIN} * * * * ${python} ${cwd}/src/rpi-cpu2mqtt.py" >> tempcron
crontab tempcron
fi
rm tempcron
}
main () {
check_and_install_pip
check_and_install_paho
update_config
set_cron
printm "Done"
}
main