install.sh

#!/bin/bash

if [ "$EUID" -ne 0 ]
then
    echo "Please run as root"
    exit
fi

if [ "$#" -eq 0 ]
then
    echo "No arguments supplied"
    exit
fi

omd_site=$1
api_token=$2
bot_password=$3

telegram_plus_dir=/omd/sites/$omd_site/local/share/checkmk-telegram-plus
telegram_plus_service_name=checkmk-telegram-plus-$omd_site.service

runuser_path=$(which runuser)

programs=(git runuser pip3 sed)

for program in "${programs[@]}"; do
    if ! command -v "$program" > /dev/null 2>&1; then
        echo "The installation was stopped by missing programmes. Please install: $program"
        exit
    fi
done

mkdir $telegram_plus_dir

pip3 install --target=$telegram_plus_dir python-telegram-bot==20.1 --upgrade
pip3 install --target=$telegram_plus_dir python-telegram-bot[job-queue]==20.1 --upgrade
pip3 install --target=$telegram_plus_dir python-telegram-bot[callback-data]==20.1 --upgrade
pip3 install --target=$telegram_plus_dir watchdog --upgrade
pip3 install --target=$telegram_plus_dir translate --upgrade

rm -Rf checkmk-telegram-plus
git clone https://github.com/deexno/checkmk-telegram-plus.git
cd checkmk-telegram-plus

sed -i "s|<omd_site>|$omd_site|g" resources/*
sed -i "s|<api_token>|$api_token|g" resources/*
sed -i "s|<password_for_authentication>|$bot_password|g" resources/*
sed -i "s|<telegram_plus_dir>|$telegram_plus_dir|g" resources/*
sed -i "s|<runuser_path>|$runuser_path|g" resources/*

# Add a default version to the bot config if it does not exist in order to be compatible with the downstream versions
bot_version=$(curl --silent "https://api.github.com/repos/deexno/checkmk-telegram-plus/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
cp -n resources/config.ini $telegram_plus_dir
grep -qF -- "version" $telegram_plus_dir/config.ini || sed -i "s|\[telegram_bot\]|\[telegram_bot\]\nversion = v0.0.0|g" $telegram_plus_dir/config.ini
sed -i "s|.*version.*|version = $bot_version|g" $telegram_plus_dir/config.ini

cp resources/telegram_bot.py $telegram_plus_dir
cp resources/fqueue.py $telegram_plus_dir
cp resources/checkmk-telegram-plus.service /etc/systemd/system/$telegram_plus_service_name

chown -R $omd_site:$omd_site $telegram_plus_dir
chmod -R 755 $telegram_plus_dir

systemctl daemon-reload
systemctl enable $telegram_plus_service_name
systemctl restart $telegram_plus_service_name

rm /omd/sites/$omd_site/tmp/telegram_plus/notifications.queue
cp resources/telegram_plus_notify_listener /omd/sites/$omd_site/local/share/check_mk/notifications/
chown $omd_site:$omd_site /omd/sites/$omd_site/local/share/check_mk/notifications/telegram_plus_notify_listener
chmod 755 /omd/sites/$omd_site/local/share/check_mk/notifications/telegram_plus_notify_listener

echo "THE INSTALLATION HAS BEEN COMPLETED. NOW CREATE A NOTIFICATION RULE AS EXPLAINED IN THE GIT REPOSITORY."