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import logging
from opentelemetry import trace
from opentelemetry._logs import set_logger_provider
from opentelemetry.exporter.otlp.proto.grpc._log_exporter import (
OTLPLogExporter,
)
from opentelemetry.sdk._logs import LoggerProvider, LoggingHandler
from opentelemetry.sdk._logs.export import BatchLogRecordProcessor
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import (
BatchSpanProcessor,
ConsoleSpanExporter,
)
trace.set_tracer_provider(TracerProvider())
trace.get_tracer_provider().add_span_processor(
BatchSpanProcessor(ConsoleSpanExporter())
)
logger_provider = LoggerProvider(
resource=Resource.create(
{
"service.name": "shoppingcart",
"service.instance.id": "instance-12",
}
),
)
set_logger_provider(logger_provider)
exporter = OTLPLogExporter(insecure=True)
logger_provider.add_log_record_processor(BatchLogRecordProcessor(exporter))
handler = LoggingHandler(level=logging.NOTSET, logger_provider=logger_provider)
# Set the root logger level to NOTSET to ensure all messages are captured
logging.getLogger().setLevel(logging.NOTSET)
# Attach OTLP handler to root logger
logging.getLogger().addHandler(handler)
# Create different namespaced loggers
# It is recommended to not use the root logger with OTLP handler
# so telemetry is collected only for the application
logger1 = logging.getLogger("myapp.area1")
logger2 = logging.getLogger("myapp.area2")
logger1.debug("Quick zephyrs blow, vexing daft Jim.")
logger1.info("How quickly daft jumping zebras vex.")
logger2.warning("Jail zesty vixen who grabbed pay from quack.")
logger2.error("The five boxing wizards jump quickly.")
# Log custom attributes
# Custom attributes are added on a per event basis
user_id = "user-123"
logger1.error("I have custom attributes.", extra={"user_id": user_id})
# Trace context correlation
tracer = trace.get_tracer(__name__)
with tracer.start_as_current_span("foo"):
# Do something
logger2.error("Hyderabad, we have a major problem.")
logger_provider.shutdown()
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