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Adding metric collection as part of instrumentations - Django #1230
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.../opentelemetry-instrumentation-django/src/opentelemetry/instrumentation/django/middleware.py
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LGTM
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Please take a look at the comments, if you consider the current state of the code to be ok, let me know and I'll approve. 👍
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def _get_metric_labels_from_attributes(attributes): | ||
labels = {} | ||
labels["http.method"] = attributes.get("http.method", "") | ||
for attrs in _ATTRIBUTES_BY_PREFERENCE: |
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Maybe just declare the _ATTRIBUTES_BY_PREFERENCE
here since it is only used once?
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Defined once on module level so it doesn't have to be defined everytime a request is called.
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if all(labels_from_attributes.values()): | ||
labels.update(labels_from_attributes) | ||
break | ||
if attributes.get("http.flavor"): |
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This may have the same problem.
if attributes.get("http.flavor"): | |
if attributes.get("http.flavor") is not None: |
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I don't believe we want to set the label if value is an empty string.
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Nevertheless, we may end up setting the label when the value is an empty string here?
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I think http.method
should always be populated. That was just for sanity.
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Approved since most of my comments have been marked as resolved, only leaving a question for @lzchen just in case.
if all(labels_from_attributes.values()): | ||
labels.update(labels_from_attributes) | ||
break | ||
if attributes.get("http.flavor"): |
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Nevertheless, we may end up setting the label when the value is an empty string here?
…#1230) Co-authored-by: Mayur Kale <mayurkale@google.com>
Similar to #1116.
Adding the ability to collect duration metrics from
Django
instrumentation.Semantic conventions for metrics can be found here
Currently
django
only supports SERVER type (since we don't have database tracking yet). TheHTTPMetricRecorder
is also being passed viasettings
from theDjangoInstrumentor
to themiddleware
.Also included in this PR:
MetricMixin
in the instrumentation package: Support bothSERVER
andCLIENT
types, add a function to calculate duration without the use of context manager