def json_console_logger(init_context):
level = coerce_valid_log_level(init_context.logger_config['log_level'])
name = init_context.logger_config['name']
klass = logging.getLoggerClass()
logger_ = klass(name, level=level)
handler = coloredlogs.StandardErrorHandler()
class JsonFormatter(logging.Formatter):
def format(self, record):
return seven.json.dumps(record.__dict__)
handler.setFormatter(JsonFormatter())
logger_.addHandler(handler)
return logger_
def json_console_logger(init_context):
"""This logger provides support for sending Dagster logs to stdout in json format.
Example:
.. code-block:: python
from dagster import op, job
from dagster.loggers import json_console_logger
@op
def hello_op(context):
context.log.info('Hello, world!')
context.log.error('This is an error')
@job(logger_defs={'json_logger': json_console_logger})])
def json_logged_job():
hello_op()
"""
level = coerce_valid_log_level(init_context.logger_config["log_level"])
name = init_context.logger_config["name"]
klass = logging.getLoggerClass()
logger_ = klass(name, level=level)
handler = coloredlogs.StandardErrorHandler()
class JsonFormatter(logging.Formatter):
def format(self, record):
return seven.json.dumps(record.__dict__)
handler.setFormatter(JsonFormatter())
logger_.addHandler(handler)
return logger_