pip install opencensus-ext-flask
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',
)''',
}
}