monitor-redis-for-mastodon-streaming.sh

gistfile1.txt

#!/bin/bash

LOGFILES="/var/log/redis/redis-server.log"
# LOGFILES="/home/highemerly/dummy-redis-server.log"
declare -A last_restart

restart_streaming() {
    ssh highemerly@$1 -o StrictHostKeyChecking=no -i /home/highemerly/.ssh/id_rsa "cd mastodon && docker compose restart streaming"
}

ip_check() {
    ping $1 -c 1 -W 2 >> /dev/null
    if [ $? = "0" ]; then
        echo "yes"
    else
        echo "no"
    fi
}

action() {
    while read i
    do
        echo $i | grep "unauth mbulk count" >> /dev/null

        if [ $? = "0" ];then
            ipaddr=`echo $i | grep "unauth mbulk count" | awk '{print $15}' | sed -e "s/addr=\([0-9]*.[0-9]*.[0-9]*.[0-9]*\)\:[0-9]*/\1/"`
            echo "streaming-reboot-required: "$ipaddr

            is_alive_ipaddress=`ip_check ${ipaddr}`
            if [ $is_alive_ipaddress = "yes" ]; then

                now=`date +%s`
                last=${last_restart[$ipaddr]}

                if [ ${#last} = "0" ]; then
                    last=0
                fi
                if [ $(( $now - $last )) -lt 3 ]; then
                    sleep $(( 3 - $now + $last ))
                fi

                restart_streaming $ipaddr
                sudo -u highemerly /usr/bin/python3 toot.py $ipaddr
                last_restart[$ipaddr]=`date +%s`
            fi
            
        fi
    done
}