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load-info-telegram.sh

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+#!/bin/bash
+#This script monitors server load and memory usage for every 10 seconds and sends notification to telegram in case of high usage.
+
+#Include telegram chat id and bot token ID here
+chat_id=""
+token=""
+host=$HOSTNAME
+ip=($(hostname -I))
+#Temporary files to store data
+resource_usage_info=/tmp/resource_usage_${host}.txt
+msg_caption=/tmp/telegram_msg_caption.txt
+
+#Set threshold levels for memory usage and load here. If the usage exceeds these values, the notification will be sent.
+mem_threshold=80 #Should be interger. This is in percentage
+load_threshold=$(nproc) #Should be integer. Usually total number of cores.
+
+#Telegram API to send notificaiton.
+function telegram_send
+{
+curl -s -F chat_id=$chat_id -F parse_mode=markdown -F document=@$resource_usage_info -F caption="$caption" https://api.telegram.org/bot$token/sendDocument > /dev/null 2&>1
+}
+
+#Monitoring Load on the server
+while :
+do
+    min_load=$(cat /proc/loadavg | cut -d . -f1)
+    if [ $min_load -ge $load_threshold ]
+        then
+        echo -e "⚠️High CPU usage detected⚠️\n🖥$(hostname)\n🌎$ip\n⏱$(uptime)\n#CPU" > $msg_caption
+        echo -e "CPU usage report from $(hostname)\nServer Time : $(date +"%d%b%Y %T")\n\n\$uptime\n$(uptime)\n\n%CPU %MEM USER\tCMD" >         $resource_usage_info
+        ps -eo pcpu,pmem,user,cmd | sed '1d' | sort -nr >> $resource_usage_info
+        caption=$(<$msg_caption)
+        telegram_send
+        rm -f $resource_usage_info
+        rm -f $msg_caption
+        sleep 60 #stop executing script for 15 minutes
+    fi
+    sleep 10
+
+#Monitoring Memory usage on the server
+    mem=$(free -m)
+    mem_usage=$(echo "$mem" | awk 'NR==2{printf "%i\n", ($3*100/$2)}')
+    if [ $mem_usage -gt $mem_threshold ]
+    then
+        echo -e "⚠️High Memory usage detected⚠️\n🖥$(hostname)\n🌎$ip\n🔸$(echo $mem_usage% memory usage)\n#RAM" > $msg_caption
+        echo -e "Memory consumption Report from $(hostname)\nServer Time : $(date +"%d%b%Y %T")\n\n\$free -m output\n$mem\n\n%MEM %CPU USER\tCMD" > $resource_usage_info
+        ps -eo pmem,pcpu,user,cmd | sed '1d' | sort -nr >> $resource_usage_info
+        caption=$(<$msg_caption)
+        telegram_send
+        rm -f $resource_usage_info
+        rm -f $msg_caption
+        sleep 60 #stop executing script for 15 minutes
+    fi
+    sleep 10
+done
+

tload.service

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+[Unit]
+Description=Telegram Load notification
+After=network.target
+
+[Service]
+ExecStart=/bin/bash '/usr/bin/load-info-telegram.sh'
+Type=simple
+TimeoutStartSec=0
+
+[Install]
+WantedBy=multi-user.target