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- #!/usr/bin/env python
- # -*- coding: utf-8 -*-
- #
- # flakey_server.py
- #
- # Created by Lars Yencken on 2011-10-12.
- #
- """
- A web server which fails randomly and occasionally.
- """
- import sys
- import random
- import flask
- app = flask.Flask(__name__)
- FAILURE_CHANCE = 0.0
- @app.route('/')
- def index():
- if random.random() < FAILURE_CHANCE:
- flask.abort(500)
- else:
- return 'OK'
- def main():
- global FAILURE_CHANCE
- args = sys.argv[1:]
- if len(args) != 2:
- print >> sys.stderr, \
- """Usage: sometimes_fail.py <rate> <port>
- Serve error responses with probability <rate> on port <port>."""
- sys.exit(1)
- rate, port = args
- port = int(port)
- rate = float(rate)
- FAILURE_CHANCE = rate
- app.run(host='0.0.0.0', port=port)
- rate = float(args[0])
- if __name__ == '__main__':
- main()
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