Gurl-shortener: demo URL shortening service in python

A demo application for a very simple URL shortening service

The app relies on:

• flask: A python micro web framework
• bootstrap: A CSS & JS framework

Installing

Pip:

pip install url_shortener

Pypi:

https://pypi.python.org/pypi/url_shortener

Manual:

python setup.py install

Configuration

You can either modify the config.py file or provide environment variables to configure url_shortener. The following environment variables can be tweaked:

• REDIS_HOST: Address at which the redis server lives, defaults to 127.0.0.1.
• REDIS_PORT: Port on which to contact redis, defaults to 6379.
• URL_PREFIX: URL scheme for your short url host
• LISTEN_HOST: Address to bind to for the short url service
• LISTEN_PORT: Port to bind to
• RIEMANN_HOST: Address to use to contact riemann, defaults to 127.0.0.1
• RIEMANN_PORT: Port to use to contact riemann, defaults to 5555
• RIEMANN_PROTOCOL: Riemann protocol to use, defaults to UDP
• LOG_FILE_PATH: Where to log, no defaults
• LOG_LEVEL: level at which to log, defaults to DEBUG

Logging

When not run in debug mode, the application will output logs for consumption by logstash, using logstash_formatter

Usage

The service can simply be started by invoking: url-shortener, alternately deployments can be done with gunicorn. To start the service with gunicorn with 8 worker processes for instance, the following can be used:

gunicorn  -w 8 --log-file=/var/log/url-shortener/gunicorn.log --log-level=info url_shortener:app