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pihole/update_pihole.sh
2024-04-06 08:52:36 +02:00

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#!/usr/bin/env bash
# Verify pihole version (run pihole -v) and send a notfication to Gotify
italic="\033[3m"
underline="\033[4m"
ita_under="\033[3;4m"
bgd="\033[1;4;31m"
red="\033[1;31m"
green="\033[1;32m"
bold="\033[1m"
box="\033[1;41m"
reset="\033[0m"
command -v pihole >/dev/null 2>&1 || { echo -e "${bold}pihole${reset} is not installed. Aborting..." >&2; exit 1; }
curl -Is https://www.apple.com | head -1 | grep 200 1>/dev/null
if [[ $? -eq 1 ]]; then
echo -e "\n${red}No Internet connection !${reset}"
echo -e "Exit !"
exit 1
fi
dotenv () {
set -a
# shellcheck disable=SC1091
[ -f ".env" ] && . ".env" || echo -e "${red}\nNo .env file found ! No token for gotify.${reset}"
set +a
}
dotenv
gotify_server="https://gotify.photos-nas.ovh"
host=$(hostname)
available=false
msg=
infos=
echo -e "${box}Find Pi-hole update on $host${reset}\n"
upd=$(pihole -v)
#upd=$(cat 'update_pihole.txt')
printf " \e[1m%-10s \e[1m%-10s \e[1m%-10s \n" "Pi-hole" "Current" "Last"
while IFS= read -r line; do
app=$(echo "${line}" | awk '{print $1}')
current=$(echo "${line}" | awk '{print $4}')
last=$(echo "${line}" | awk '{print $6}' | sed 's/.$//')
if [ "$current" != "$last" ]; then
printf " \e[1;31m%-10s\e[0m \e[1;31m%-10s\e[0m \e[1;31m%-10s\e[0m \n" "${app}" "${current}" "${last}"
msg+="**${app}: current:${current} last:${last}**\n"
available=true
infos+="https://github.com/pi-hole/${app}/releases/tag/${last}\n"
else
printf " \e[1;32m%-10s\e[0m \e[1;32m%-10s\e[0m \e[1;32m%-10s\e[0m \n" "${app}" "${current}" "${last}"
msg+="${app}: current:${current} last:${last}\n"
fi
done <<< "$upd"
echo -e "\n$infos"
if [ "$available" = true ];then
if [ ! -t 0 ]; then
# "I'm on a TTY, this is interactive."
a=$(echo -e "\nPlease run ${italic}pihole -up${reset} to update ! (y/n)")
read -p "$a" choice
if [ "$choice" == "y" ] || [ "$choice" == "Y" ]; then
pihole -up
fi
else
echo -e "Sending notification to $gotify_server ..."
TITLE="Pi-hole on $host update"
MESSAGE="**A new version of Pi-hole is available:**\n\n $msg\n\n $infos\n\n Please run *pihole -up* on $host to update !"
PRIORITY=8
URL="$gotify_server/message?token=$token&?format=markdown"
curl -s -S --output /dev/null --data '{"message": "'"${MESSAGE}"'", "title": "'"${TITLE}"'", "priority":'"${PRIORITY}"', "extras": {"client::display": {"contentType": "text/markdown"}}}' -H 'Content-Type: application/json' "$URL"
fi
else
echo -e "\nNo available update !"
fi