Tag: Python

The Mossad Challenge 2018 – Entry Riddle

April 20, 2018 Cyber Security
For the Israeli independence day, the Mossad published a new challenge. When I have some free time I try to crack it and enjoy learning new stuff in the process 🙂 Let’s start? If we’ll go the the Mossad webpage, we’ll see the following picture: As you can see, there…

Serverless On-call duty notifier – Part 2

July 24, 2017 Development
In the previous blog post, I’ve described how to build a simple SMS notification system using DynamoDB, SNS and AWS Lambda. In this post, I’ll show how to change it in order to allow each user to choose whenever he wants to get SMS notification, Email notification or nothing at…

Serverless On-call duty notifier – Part 1

June 28, 2017 Development
As many engineers in the industry, we have on-call duty. The on-call duty is defined at the beginning of each month and the list of the on-call engineers for each date can be found in an excel sheet. Well, this is nice but I want to get notified when I’m…

Getting the right Jenkins build number using Python

June 27, 2017 Tips & Tricks
One of the jobs in our CI pipeline is responsible for compiling, building and packing the code. The artifacts of the job is a directory on our storage with the build number and all the artifacts that are related to this build number. For example: //storage/build_1000, //storage/build_1001 and etc. There…

Building simple url-redirection service using Flask and Python

May 15, 2017 Development
There are many technologies that can be used for building back-ends for web-sites, web-services and etc. In this post, I want to show how easily web-services can be created using Python and Flask. I don’t really like writing UI (or HTML) so I will avoid it by making the management…

Building simple testing framework in Python

May 10, 2017 Development
Every good product need to have a good testing coverage in order to insure that it works both in “happy scenarios” and in “bad scenarios” – inc. disruptions, limits and etc. Beside unit tests, every module should be tested “end-to-end” as well. In this blog post I’ll demonstrate how to…

Web Browser Automation using Selenium

May 7, 2017 Development
Recently, I was participating in an online challenge that included “hacking” to a website that was especially created for the challenge. After figuring out what to do at the beginning, I came to the conclusion that I need to send a particular html form multiple times (over 30) while changing…