Description

This is a temporary repository to showcase the solution for the programming tasks explained below:

Main Tasks

1. Create the Django polls app with Django version 2.2 or later, Python 3.7 or later and PostgreSQL version 11.0 or later as database system

   • Completed! -> open localhost:8000/polls in browser after running the docker image as instructions given below.

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2. Implement a Django command for importing thousands of polls at a time from a source of your choice (e.g. CSV)

   • 2.1 Validate the functionality of your command by implementing unit and/or integration tests

   • Completed! -> Please see tests/test_commands.py for details. You can run tests inside docker container. See details in docker section below.

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3. Add an IP address field to the author model and implement a custom lookup field for IsContainedByOrEqual using PostgreSQL inet operators

   • Completed! -> I've implemented django-netfields and I've written a test to show how it can be used. Please see tests/test_lookups.py for details

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4. Implement a password protected healthcheck endpoint covering:

   • 1. Django app is up and running and not in dev mode
   • 2. Database is accessible and can be queried
   • 3. App server has disk space left

   • Completed! -> I've implemented watchman for monitoring the health of databases, caches and default file storage.

You have to be a logged-in staff user to display the page for system status at:

{website}/watchman/dashboard/

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5. Adjust the Django admin panel for the Author model that IP addresses are displayed but the last 8 bits are masked with asterisk

   • Completed! -> last 8 bits of IP addresses are encrypted with using regex in a custom method for django admin list display field.

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Optional Tasks

1. Provide a brief concept of how you would provide a redundant setup of the above Django app. (at least one App/DB server at a time can fail) in any form you prefer (e.g. Text, Diagram, Presentation, Dockerfiles etc.)

   • Completed! -> I've used containerization with Docker. Please see build instructions below to test the functionality of the app.

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2. Describe briefly how you would build and distribute this app for a Debian based server infrastructure

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Build instructions with Docker Compose

1. Clone the repo

git clone https://github.com/talented/Django-Polls-App-Extended.git

2. Run

cd django-polls-app-extended

docker-compose build

docker-compose up

3. Without stopping the running server open a new tab in your terminal, get into the same directory and run command below to run tests

docker-compose run app sh -c "python manage.py test"

4. In order to populate the database for testing purposes with a few poll questions with author information, run commands below to get into the running container and run command to import data from given csv file

docker exec -it django-polls-app-extended_app_1 sh

python manage.py import_from_csv /pgdata/polls.csv

5. You have to create a superuser to see the admin backend functionality. Run command below inside the docker container to create an admin user

python manage.py createsuperuser