flask-gcp-log-groups 0.2.2

Configuration Parameters

• GCPHandler

• • app: Flask handler

• • parentLogName: parentLogger name for the ‘request (default: request”)

• • childLogName: childLogger name for the ‘application logs (default: “application”)

• • traceHeaderName: header name to parse as the trace header. (on GCP, its X-Cloud-Trace-Context)

• • labels: labels dictionary to apply to all logs (default = None),

• • resource: Cloud Logging resource to log against (default=’global’)

from flask import Flask
import logging, json

from flask_gcp_log_groups import GCPHandler

app = Flask(__name__)

g = GCPHandler(app, parentLogName="request",
    childLogName="application",
    traceHeaderName='X-Cloud-Trace-Context',
    labels= {'foo': 'bar', 'baz': 'qux'},
    resource= {
              "type": "gce_instance",
              "labels": { "instance_id": "5160310737730769780",
                          "zone": "us-central1-a"
                        }
    })
g.setLevel(logging.INFO)
app.logger.addHandler(g)

@app.route('/')
def default():
  app.logger.setLevel(logging.INFO)
  app.logger.info("I met a traveller from an antique land,")
  return 'ok'

if __name__ == '__main__':
  app.run(host='0.0.0.0', port=8080, debug=False)

• with trace only

  curl -v  -H "User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.89 Safari/537.36" \
  -H "X-Cloud-Trace-Context: `python -c "import uuid; print uuid.uuid4()"`" \
  http://localhost:8080/