Measure API or Web Response Time Using Curl & Send It to Telegram/ntfy

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Lists Tools You Must Installed

1. curl

2. telegram

3. Simple telegram notification script

4. Setup ntfy push notification

Response Time using Curl

curl --write-out or w got a lot of usefull variable that can give you information about your app. You can get speed_download, response_code, time_total, etc.

But in this tutorial, we only use time_total (time_total, the total time, in seconds, that the full operation lasted)

Lets create simple script to measure response time

#!/bin/bash
SECONDS=0

#you can this script read variable from .env
#if not, just give it comment
#set -o allexport
#source .env
#set +o allexport

#if you have load balancer, you can test load balancer using curl
response_manager1=`(curl -s -w %{time_total}s -o /dev/null --http2 --resolve yourAPI.com:443:192.168.1.101 https://yourAPI.com)`
response_manager2=`(curl -s -w %{time_total}s -o /dev/null --http2 --resolve yourAPI.com:443:192.168.1.102 https://yourAPI.com)`
response_manager3=`(curl -s -w %{time_total}s -o /dev/null --http2 --resolve yourAPI.com:443:192.168.1.103 https://yourAPI.com)`

response_random_jokes=`(curl -s -w %{time_total}s -o /dev/null --http2 https://icanhazdadjoke.com/)`

ELAPSED="$(($SECONDS / 3600))hrs $((($SECONDS / 60) % 60))min $(($SECONDS % 60))sec"   

/usr/bin/telegram-notif "Server Response Time:
//Load balancer test

Manager1: $response_manager1
Manager2: $response_manager2
Manager3: $response_manager3

//RandomJokes
Random jokes: $response_random_jokes

It takes $ELAPSED to get all data from server

"

curl -d "
//Load balancer test

Manager1: $response_manager1
Manager2: $response_manager2
Manager3: $response_manager3

//RandomJokes
Random jokes: $response_random_jokes

It takes $ELAPSED to get all data from server
" ntfy.sh/your_ntfy_channel > /dev/null