Created
September 7, 2019 13:09
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index_redis.py
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| import time | |
| import redis | |
| from flask import Flask | |
| app = Flask(__name__) | |
| cache = redis.Redis(host='redis', port=6379) | |
| def get_hit_count(): | |
| retries = 5 | |
| while True: | |
| try: | |
| return cache.incr('hits') | |
| except redis.exceptions.ConnectionError as exc: | |
| if retries == 0: | |
| raise exc | |
| retries -= 1 | |
| time.sleep(0.5) | |
| @app.route('/') | |
| def hello(): | |
| count = get_hit_count() | |
| return 'Hello World! I have been seen {} times.\n'.format(count) | |
| if __name__ == "__main__": | |
| app.run(host="0.0.0.0", port=5000, debug=True) |
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