Chaos

Chaos is the web service which can feed Navitia with real-time disruptions. It can work together with Kirin which can feed Navitia with real-time delays.

Installation

Clone the repository Chaos

git clone git@github.com:CanalTP/Chaos.git
cd Chaos

Python requirements

• Install Python sudo apt-get install python2.7 python2.7-dev
• Install pip
• Install virtualenv

virtualenv venv
source venv/bin/activate
pip install -r requirements.txt

Build protobufs

Install protobuf v2.6.1

git submodule init
git submodule update
./setup.py build_pbf

Create the database

sudo apt-get install postgresql libpq-dev
sudo -i -u postgres
# Create a user
createuser -P navitia (password "navitia")

# Create database
createdb -O navitia chaos

# Create database for tests
createdb -O navitia chaos_testing
ctrl + d

Run Chaos with honcho (optional)

Install honcho

You can use honcho for managing Procfile-based applications.

pip install honcho

create a .env file

Write this line inside

CHAOS_CONFIG_FILE=default_settings.py

Upgrade database

honcho run ./manage.py db upgrade

RabbitMQ (optional)

RabbitMQ is optional and you can deactivate it if you don't want to send disruptions to a queue.

# chaos/default_settings.py
ENABLE_RABBITMQ = False

Run Chaos

honcho start

Tests

Create an .env file in tests/ with:

CHAOS_CONFIG_FILE=../tests/testing_settings.py
PYTHONPATH=..

Unit tests

honcho run nosetests

Functional tests

cd tests
honcho run lettuce

Provisioning

Provisioning instructions can be followed from provisioning/PROVISIONING.md