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Commita04996c

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aravinsivatswast
andauthored
feat: add opentelemetry tracing (#215)
* testing first trace export* instrumention client.py* instrumenting job.py and adding documentation* reconfiguring imports* quick cleanup of unused variable* adding more attributes in module and limiting complexity of instrumentation* adding tests, nox and correct attribute additions in client & job* adding tests, nox and correct attribute additions in client & job (left out of last commit)* linting* reformatting noxfile.[y* addressing suggested changes* adding suggested changes* removing print statements* setting same version across all OT [ackages and other reccommended changes* suggested changes* fixing packages issue in nox and updating documentation* fixing module install issue* restructuring design for testing adding first layer of tests (some still failing)* adding reamining client tests and all job tests* fixing linting issues* fixing trace not defined issue* fixing lint issues* fixing documentation issues and python2 testing issue* linting and fixing coverage issues* adding suggested changes* linting* adding Shawn's suggested changes* fixing _default_span_attribute_bug* reverting uneccesxsary changes* adding more tests for all job_ref parameters* removing dependecny, ordering imports and other changes* addressing Shawn concerns* adding test and suggested changes* adding opentelemetry to setup.py and other suggested changes* adding reasoning for not adding to [all]* linting* adding Tim suggested changesCo-authored-by: Tim Swast <swast@google.com>
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‎README.rst‎

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@@ -102,3 +102,41 @@ Perform a query
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for rowin rows:
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print(row.name)
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Instrumenting With OpenTelemetry
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--------------------------------
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This application uses `OpenTelemetry`_ to output tracing data from
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API calls to BigQuery. To enable OpenTelemetry tracing in
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the BigQuery client the following PyPI packages need to be installed:
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.. _OpenTelemetry:https://opentelemetry.io
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..code-block::console
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pip install google-cloud-bigquery[opentelemetry] opentelemetry-exporter-google-cloud
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After installation, OpenTelemetry can be used in the BigQuery
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client and in BigQuery jobs. First, however, an exporter must be
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specified for where the trace data will be outputted to. An
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example of this can be found here:
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..code-block::python
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from opentelemetryimport trace
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from opentelemetry.sdk.traceimport TracerProvider
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from opentelemetry.sdk.trace.exportimport BatchExportSpanProcessor
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from opentelemetry.exporter.cloud_traceimport CloudTraceSpanExporter
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trace.set_tracer_provider(TracerProvider())
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trace.get_tracer_provider().add_span_processor(
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BatchExportSpanProcessor(CloudTraceSpanExporter())
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)
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In this example all tracing data will be published to the Google
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`Cloud Trace`_ console. For more information on OpenTelemetry, please consult the `OpenTelemetry documentation`_.
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.. _OpenTelemetry documentation:https://opentelemetry-python.readthedocs.io
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.. _Cloud Trace:https://cloud.google.com/trace
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