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fix(metrics): use rule as path #150

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avara1986 merged 2 commits into from
Sep 19, 2020
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fix(metrics): use rule as path #150

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fix(metrics): use rule as path
alexppg Sep 10, 2020
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alexppg Sep 10, 2020
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8 changes: 6 additions & 2 deletions pyms/flask/services/metrics.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,9 +30,13 @@ def before_request(self): # pylint: disable=R0201
request.start_time = time.time()

def after_request(self, response):
if hasattr(request.url_rule, "rule"):

@alexppg alexppg Sep 10, 2020

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@avara1986 Do you know if there's a real possibility that a request wouldn't have this attribute? I've tested locally and even without using dynamic values for the endpoints works. But the test doesn't, without the conditional. I'm not sure if it really should be like this and have a fallback or is the test_client that's not really complete.

@avara1986 avara1986 Sep 10, 2020

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I figure out this weekend :)

@avara1986 avara1986 Sep 19, 2020

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@alexppg the problem is not in tests. request.url_rule is None when you get 404 response. It makes sense if you visit a non-exists page therefore, you haven't a url_rule.

PR approved

PD: sorry, one week late... 🙈

path = request.url_rule.rule
else:
path = request.path
request_latency = time.time() - request.start_time
FLASK_REQUEST_LATENCY.labels(self.app_name, request.method, request.path, response.status_code).observe(request_latency)
FLASK_REQUEST_COUNT.labels(self.app_name, request.method, request.path, response.status_code).inc()
FLASK_REQUEST_LATENCY.labels(self.app_name, request.method, path, response.status_code).observe(request_latency)
FLASK_REQUEST_COUNT.labels(self.app_name, request.method, path, response.status_code).inc()

return response

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