opencensus-ext-logging

OpenCensus logging Integration

The logging integration enriches the log records with trace ID, span ID and sampling flag. The following attributes will be added to LogRecord:

• traceId
• spanId
• traceSampled

Note that this only takes effect for loggers created after the integration.

Installation

pip install opencensus-ext-logging

Usage

import logging

from opencensus.trace import config_integration
from opencensus.trace.samplers import AlwaysOnSampler
from opencensus.trace.tracer import Tracer

config_integration.trace_integrations(['logging'])
logging.basicConfig(format='%(asctime)s traceId=%(traceId)s spanId=%(spanId)s %(message)s')
tracer = Tracer(sampler=AlwaysOnSampler())

logger = logging.getLogger(__name__)
logger.warning('Before the span')
with tracer.span(name='hello'):
    logger.warning('In the span')
logger.warning('After the span')

References

• OpenCensus Project