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OpenCensus Flask Integration

Project description

pypi

Installation

pip install opencensus-ext-flask

Usage

from flask import Flask
from opencensus.ext.flask.flask_middleware import FlaskMiddleware

app = Flask(__name__)
middleware = FlaskMiddleware(app, excludelist_paths=['_ah/health'])

@app.route('/')
def hello():
    return 'Hello World!'

if __name__ == '__main__':
    import logging
    logger = logging.getLogger('werkzeug')
    logger.setLevel(logging.ERROR)
    app.run(host='localhost', port=8080, threaded=True)

Additional configuration can be provided, please read Customization for a complete reference.

app.config['OPENCENSUS'] = {
    'TRACE': {
        'SAMPLER': 'opencensus.trace.samplers.ProbabilitySampler(rate=1)',
        'EXPORTER': '''opencensus.ext.ocagent.trace_exporter.TraceExporter(
            service_name='foobar',
        )''',
    }
}

References

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