| #!/usr/bin/python |
| # |
| # Copyright Istio Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import math |
| from flask import Flask, request |
| app = Flask(__name__) |
| |
| |
| @app.route('/hello') |
| def hello(): |
| version = os.environ.get('SERVICE_VERSION') |
| |
| # do some cpu intensive computation |
| x = 0.0001 |
| for i in range(0, 1000000): |
| x = x + math.sqrt(x) |
| |
| return 'Hello version: %s, instance: %s\n' % (version, os.environ.get('HOSTNAME')) |
| |
| |
| @app.route('/health') |
| def health(): |
| return 'Helloworld is healthy', 200 |
| |
| |
| if __name__ == "__main__": |
| app.run(host='::', threaded=True) |