45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
import json
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import datetime
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import requests
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from nameko.web.handlers import http
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from nameko.timer import timer
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from statsd import StatsClient
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from circuitbreaker import circuit
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class DemoChassisService:
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name = "demo_chassis_service"
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statsd = StatsClient('localhost', 8125, prefix='simplebank-nameko_demo')
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@http('GET', '/health')
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@statsd.timer('health')
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def health(self, _request):
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return json.dumps({'ok': datetime.datetime.utcnow().__str__()})
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@http('GET', '/external')
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@circuit(failure_threshold=5, expected_exception=ConnectionError)
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@statsd.timer('external')
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def external_request(self, _request):
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response = requests.get('https://jsonplaceholder.typicode.com/posts/1')
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return json.dumps({'code': response.status_code, 'body': response.text})
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@http('GET', '/error')
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@circuit(failure_threshold=5, expected_exception=ZeroDivisionError)
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@statsd.timer('http_error')
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def error_http_request(self):
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return json.dumps({1 / 0})
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class HealthCheckService:
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name = "health_check_service"
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statsd = StatsClient('localhost', 8125, prefix='simplebank-nameko_demo')
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@timer(interval=10)
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@statsd.timer('check_demo_service')
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def check_demo_service(self):
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response = requests.get('http://0.0.0.0:8000/health')
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print("DemoChassisService HEALTH CHECK: status_code {}, response: {}".format(
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response.status_code, response.text))
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