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@austinheap austinheap/bars.txt
Created Oct 25, 2016

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Rainbow Pi-hole with screensaver for LCD screens
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#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements + Rainbow mods/screensaver
# (c) 2015, 2016 by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
# http://pi-hole.net
# Calculates stats and displays to an LCD
#
# Pi-hole is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#Functions##############################################################################################################
piLog="/var/log/pihole.log"
gravity="/etc/pihole/gravity.list"
today=$(date "+%b %e")
function CalcBlockedDomains(){
CheckIPv6
if [ -e "$gravity" ]; then
#Are we IPV6 or IPV4?
if [[ -n ${piholeIPv6} ]];then
#We are IPV6
blockedDomainsTotal=$(wc -l /etc/pihole/gravity.list | awk '{print $1/2}')
else
#We are IPV4
blockedDomainsTotal=$(wc -l /etc/pihole/gravity.list | awk '{print $1}')
fi
else
blockedDomainsTotal="Err."
fi
}
function CalcQueriesToday(){
if [ -e "$piLog" ];then
queriesToday=$(cat "$piLog" | grep "$today" | awk '/query/ {print $6}' | wc -l)
else
queriesToday="Err."
fi
}
function CalcblockedToday(){
if [ -e "$piLog" ] && [ -e "$gravity" ];then
blockedToday=$(cat ${piLog} | awk '/\/etc\/pihole\/gravity.list/ && !/address/ {print $6}' | wc -l)
else
blockedToday="Err."
fi
}
function CalcPercentBlockedToday(){
if [ "$queriesToday" != "Err." ] && [ "$blockedToday" != "Err." ]; then
if [ "$queriesToday" != 0 ]; then #Fixes divide by zero error :)
#scale 2 rounds the number down, so we'll do scale 4 and then trim the last 2 zeros
percentBlockedToday=$(echo "scale=4; $blockedToday/$queriesToday*100" | bc)
percentBlockedToday=$(sed 's/.\{2\}$//' <<< "$percentBlockedToday")
else
percentBlockedToday=0
fi
fi
}
function CheckIPv6(){
piholeIPv6file="/etc/pihole/.useIPv6"
if [[ -f ${piholeIPv6file} ]];then
# If the file exists, then the user previously chose to use IPv6 in the automated installer
piholeIPv6=$(ip -6 route get 2001:4860:4860::8888 | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "src") print $(i+1) }')
fi
}
function outputJSON(){
CalcQueriesToday
CalcblockedToday
CalcPercentBlockedToday
CalcBlockedDomains
printf '{"domains_being_blocked":"%s","dns_queries_today":"%s","ads_blocked_today":"%s","ads_percentage_today":"%s"}\n' "$blockedDomainsTotal" "$queriesToday" "$blockedToday" "$percentBlockedToday"
}
function normalChrono(){
for (( ; ; ))
do
today=$(date "+%b %e")
clear
# Displays a colorful Pi-hole logo
echo " ___ _ _ _"
echo "| _ (_)___| |_ ___| |___"
echo "| _/ |___| ' \/ _ \ / -_)"
echo "|_| |_| |_||_\___/_\___|"
# echo ""
# echo " $(ifconfig eth0 | awk '/inet addr/ {print $2}' | cut -d':' -f2)"
echo ""
uptime | cut -d' ' -f11- > /tmp/lolstats.txt
#uptime -p #Doesn't work on all versions of uptime
uptime | awk -F'( |,|:)+' '{if ($7=="min") m=$6; else {if ($7~/^day/) {d=$6;h=$8;m=$9} else {h=$6;m=$7}}} {print d+0,"days,",h+0,"hours,",m+0,"minutes."}' >> /tmp/lolstats.txt
echo "-------------------------------" >> /tmp/lolstats.txt
# Uncomment to continually read the log file and display the current domain being blocked
#tail -f /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {if ($7 != "address" && $7 != "name" && $7 != "/etc/pihole/gravity.list") print $7; else;}'
#uncomment next 4 lines to use original query count calculation
#today=$(date "+%b %e")
#todaysQueryCount=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ {print $7}' | wc -l)
#todaysQueryCountV4=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[A\]/ {print $7}' | wc -l)
#todaysQueryCountV6=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[AAAA\]/ {print $7}' | wc -l)
CalcQueriesToday
CalcblockedToday
CalcPercentBlockedToday
CalcBlockedDomains
echo "Blocking: $blockedDomainsTotal" >> /tmp/lolstats.txt
#below commented line does not add up to todaysQueryCount
#echo "Queries: $todaysQueryCountV4 / $todaysQueryCountV6" >> /tmp/lolstats.txt
echo "Queries: $queriesToday" >> /tmp/lolstats.txt #same total calculation as dashboard
echo "Pi-holed: $blockedToday ($percentBlockedToday%)" >> /tmp/lolstats.txt
echo "-------------------------------" >> /tmp/lolstats.txt
tail -n 1000 /var/log/pihole.log | grep 192.168.0.10 | cut -d ' ' -f 6 | grep -v localhost.localdomain | uniq | tail -n 3 | /usr/games/lolcat -a >> /tmp/lolstats.txt
#tail -f /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {if ($7 != "address" && $7 != "name" && $7 != "/etc/pihole/gravity.list") print $7; else;}'
/usr/games/lolcat /tmp/lolstats.txt -a
sleep 48
/usr/games/lolcat /opt/pihole/bars.txt -a
sleep 60
done
}
function displayHelp(){
echo "::: Displays stats about your piHole!"
echo ":::"
echo "::: Usage: sudo pihole -c [optional:-j]"
echo "::: Note: If no option is passed, then stats are displayed on screen, updated every 5 seconds"
echo ":::"
echo "::: Options:"
echo "::: -j, --json output stats as JSON formatted string"
echo "::: -h, --help display this help text"
exit 1
}
if [[ $# = 0 ]]; then
normalChrono
fi
for var in "$@"
do
case "$var" in
"-j" | "--json" ) outputJSON;;
"-h" | "--help" ) displayHelp;;
* ) exit 1;;
esac
done
@austinheap

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Owner Author

commented Oct 25, 2016

apt-get install lolcat and have fun!

@p1r473

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commented Apr 9, 2017

Doesn't seem to print out blocked domains by default. What do I need to change?

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