python-app 0.1

air connection app

REST API using Flask and Python [Air connections search]

Project consist of:

• images - folder with images sources
• tests - folder with UnitTests, Pytest
• app.py - main application resource
• db.py - resource for creation and for fill the database
• requirements.txt - file for install packages
• list.csv - list of flights for database
• pytest.ini - pytest file
• config.cfg - file with config, flake8

For using application you need to do:

1. Install Python 3.6 or higher
2. Install requirements
   • pip install -r requirements.txt
3. Create database for application
   • python db.py

$ python db.py

20 Record Transferred

4. There are 3 environments to choose from with different databases, choose one:

• testing - for local testing,
• dev - need to be configured manually
• prod - need to be configured manually

5. Run application

• python app.py testing

$ python app.py
 * Serving Flask app "app" (lazy loading)
 * Environment: production
 * Debug mode: on
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 231-078-686
 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

5. Follow the link http://127.0.0.1:5000/

Endpoints

Endpoint	Request	Description
/flight	GET	Get All Flights
/flight/id	GET	Get Single Flight
/flight	POST	Create a Flight
/flight/id	PUT	Update a Flight
/flight/id	DELETE	Delete Flight
/flight/search	GET	Flight search between 2 cities

Start Using:

1. Get All Flights

curl -X GET http://127.0.0.1:5000/flight

2. Get Single Flight

curl -X GET http://127.0.0.1:5000/flight/10

3. Create a Flight

curl -X POST -H "Content-Type: application/json" -d '{"source": "Barcelona", "destination": "Palma de Mallorca", "flight_company": "Vueling", "flight_number": "FR3745", "flight_time": "55m", "free_seats": "5", "price": "50$"}' http://127.0.0.1:5000/flight

4. Update a Flight

curl -X PUT -H "Content-Type: application/json" -d '{"source": "Barcelona", "destination": "Palma de Mallorca", "flight_company": "Ryanair", "flight_number": "FR3785", "flight_time": "50m", "free_seats": "8", "price": "150$"}' http://127.0.0.1:5000/flight/11

5. Delete Flight

curl -X DELETE http://127.0.0.1:5000/flight/11

6. Flight search between 2 cities

http://127.0.0.1:5000/flight/search?c1=Milan&c2=Barcelona

UnitTests:

Download the project:

• Follow the link
• Choose branche (feature/jdobc-255)

- Using Linter

1. Install packages

pip install flake8

2. Run flake8

flake8

$ flake8
0

- Using PyTest

1. Install pytest from pip

pip install pytest

2. Run pytest

pytest -v

- Coverage by PyTest:

1. Install packages

pip install pytest-cov

2. Run command

pytest --cov=. --cov-config='.coveragerc' -c='pytest.ini'

GitLab CI Multi-project:

• Flake8
• Pytest
• Coverage
• Build artifact
• Upload artifact to s3
• Deploy terraform code

Logging for AWS CloudWatch

1. How to run the application locally in the test environment ?
   • run applicatin:

   python app.py testing
   

   • Log output file "air-connection-app.log" will be created automatically
2. То see the streaming of application logs in AWS you need to deploy the application in AWS using terraform template and go to CloudWatch logs