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March 30, 2020 00:07
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# | |
# Licensed to the Apache Software Foundation (ASF) under one | |
# or more contributor license agreements. See the NOTICE file | |
# distributed with this work for additional information | |
# regarding copyright ownership. The ASF licenses this file | |
# to you under the Apache License, Version 2.0 (the | |
# "License"); you may not use this file except in compliance | |
# with the License. You may obtain a copy of the License at | |
# | |
# http://www.apache.org/licenses/LICENSE-2.0 | |
# | |
# Unless required by applicable law or agreed to in writing, | |
# software distributed under the License is distributed on an | |
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
# KIND, either express or implied. See the License for the | |
# specific language governing permissions and limitations | |
# under the License. | |
"""Airflow logging settings""" | |
import os | |
from typing import Any, Dict, Union | |
from urllib.parse import urlparse | |
from airflow.configuration import conf | |
from airflow.exceptions import AirflowException | |
from airflow.utils.file import mkdirs | |
# TODO: Logging format and level should be configured | |
# in this file instead of from airflow.cfg. Currently | |
# there are other log format and level configurations in | |
# settings.py and cli.py. Please see AIRFLOW-1455. | |
LOG_LEVEL: str = conf.get('logging', 'LOGGING_LEVEL').upper() | |
# Flask appbuilder's info level log is very verbose, | |
# so it's set to 'WARN' by default. | |
FAB_LOG_LEVEL: str = conf.get('logging', 'FAB_LOGGING_LEVEL').upper() | |
LOG_FORMAT: str = conf.get('logging', 'LOG_FORMAT') | |
COLORED_LOG_FORMAT: str = conf.get('logging', 'COLORED_LOG_FORMAT') | |
COLORED_LOG: bool = conf.getboolean('logging', 'COLORED_CONSOLE_LOG') | |
COLORED_FORMATTER_CLASS: str = conf.get('logging', 'COLORED_FORMATTER_CLASS') | |
BASE_LOG_FOLDER: str = conf.get('logging', 'BASE_LOG_FOLDER') | |
PROCESSOR_LOG_FOLDER: str = conf.get('scheduler', 'CHILD_PROCESS_LOG_DIRECTORY') | |
DAG_PROCESSOR_MANAGER_LOG_LOCATION: str = conf.get('logging', 'DAG_PROCESSOR_MANAGER_LOG_LOCATION') | |
FILENAME_TEMPLATE: str = conf.get('logging', 'LOG_FILENAME_TEMPLATE') | |
PROCESSOR_FILENAME_TEMPLATE: str = conf.get('logging', 'LOG_PROCESSOR_FILENAME_TEMPLATE') | |
DEFAULT_LOGGING_CONFIG: Dict[str, Any] = { | |
'version': 1, | |
'disable_existing_loggers': False, | |
'formatters': { | |
'airflow': { | |
'format': LOG_FORMAT | |
}, | |
'airflow_coloured': { | |
'format': COLORED_LOG_FORMAT if COLORED_LOG else LOG_FORMAT, | |
'class': COLORED_FORMATTER_CLASS if COLORED_LOG else 'logging.Formatter' | |
}, | |
}, | |
'handlers': { | |
'console': { | |
'class': 'airflow.utils.log.logging_mixin.RedirectStdHandler', | |
'formatter': 'airflow_coloured', | |
'stream': 'sys.stdout' | |
}, | |
+ 'task': { | |
+ 'class': 'airflow.utils.log.stackdriver_task_handler.StackdriverTaskHandler', | |
+ 'formatter': 'airflow', | |
+ 'name': "airflow-logs', | |
+ }, | |
- 'task': { | |
+ 'task-file': { | |
'class': 'airflow.utils.log.file_task_handler.FileTaskHandler', | |
'formatter': 'airflow', | |
'base_log_folder': os.path.expanduser(BASE_LOG_FOLDER), | |
'filename_template': FILENAME_TEMPLATE, | |
}, | |
'processor': { | |
'class': 'airflow.utils.log.file_processor_handler.FileProcessorHandler', | |
'formatter': 'airflow', | |
'base_log_folder': os.path.expanduser(PROCESSOR_LOG_FOLDER), | |
'filename_template': PROCESSOR_FILENAME_TEMPLATE, | |
} | |
}, | |
'loggers': { | |
'airflow.processor': { | |
'handlers': ['processor'], | |
'level': LOG_LEVEL, | |
'propagate': False, | |
}, | |
'airflow.task': { | |
- 'handlers': ['task'], | |
+ 'handlers': ['task', 'task-file'], | |
'level': LOG_LEVEL, | |
'propagate': False, | |
}, | |
'flask_appbuilder': { | |
'handler': ['console'], | |
'level': FAB_LOG_LEVEL, | |
'propagate': True, | |
} | |
}, | |
'root': { | |
'handlers': ['console'], | |
'level': LOG_LEVEL, | |
} | |
} | |
DEFAULT_DAG_PARSING_LOGGING_CONFIG: Dict[str, Dict[str, Dict[str, Any]]] = { | |
'handlers': { | |
'processor_manager': { | |
'class': 'logging.handlers.RotatingFileHandler', | |
'formatter': 'airflow', | |
'filename': DAG_PROCESSOR_MANAGER_LOG_LOCATION, | |
'mode': 'a', | |
'maxBytes': 104857600, # 100MB | |
'backupCount': 5 | |
} | |
}, | |
'loggers': { | |
'airflow.processor_manager': { | |
'handlers': ['processor_manager'], | |
'level': LOG_LEVEL, | |
'propagate': False, | |
} | |
} | |
} | |
# Only update the handlers and loggers when CONFIG_PROCESSOR_MANAGER_LOGGER is set. | |
# This is to avoid exceptions when initializing RotatingFileHandler multiple times | |
# in multiple processes. | |
if os.environ.get('CONFIG_PROCESSOR_MANAGER_LOGGER') == 'True': | |
DEFAULT_LOGGING_CONFIG['handlers'] \ | |
.update(DEFAULT_DAG_PARSING_LOGGING_CONFIG['handlers']) | |
DEFAULT_LOGGING_CONFIG['loggers'] \ | |
.update(DEFAULT_DAG_PARSING_LOGGING_CONFIG['loggers']) | |
# Manually create log directory for processor_manager handler as RotatingFileHandler | |
# will only create file but not the directory. | |
processor_manager_handler_config: Dict[str, Any] = \ | |
DEFAULT_DAG_PARSING_LOGGING_CONFIG['handlers']['processor_manager'] | |
directory: str = os.path.dirname(processor_manager_handler_config['filename']) | |
mkdirs(directory, 0o755) | |
################## | |
# Remote logging # | |
################## | |
REMOTE_LOGGING: bool = conf.getboolean('logging', 'remote_logging') | |
if REMOTE_LOGGING: | |
ELASTICSEARCH_HOST: str = conf.get('elasticsearch', 'HOST') | |
# Storage bucket URL for remote logging | |
# S3 buckets should start with "s3://" | |
# Cloudwatch log groups should start with "cloudwatch://" | |
# GCS buckets should start with "gs://" | |
# WASB buckets should start with "wasb" | |
# just to help Airflow select correct handler | |
REMOTE_BASE_LOG_FOLDER: str = conf.get('logging', 'REMOTE_BASE_LOG_FOLDER') | |
if REMOTE_BASE_LOG_FOLDER.startswith('s3://'): | |
S3_REMOTE_HANDLERS: Dict[str, Dict[str, str]] = { | |
'task': { | |
'class': 'airflow.utils.log.s3_task_handler.S3TaskHandler', | |
'formatter': 'airflow', | |
'base_log_folder': str(os.path.expanduser(BASE_LOG_FOLDER)), | |
's3_log_folder': REMOTE_BASE_LOG_FOLDER, | |
'filename_template': FILENAME_TEMPLATE, | |
}, | |
} | |
DEFAULT_LOGGING_CONFIG['handlers'].update(S3_REMOTE_HANDLERS) | |
elif REMOTE_BASE_LOG_FOLDER.startswith('cloudwatch://'): | |
CLOUDWATCH_REMOTE_HANDLERS: Dict[str, Dict[str, str]] = { | |
'task': { | |
'class': 'airflow.utils.log.cloudwatch_task_handler.CloudwatchTaskHandler', | |
'formatter': 'airflow', | |
'base_log_folder': str(os.path.expanduser(BASE_LOG_FOLDER)), | |
'log_group_arn': urlparse(REMOTE_BASE_LOG_FOLDER).netloc, | |
'filename_template': FILENAME_TEMPLATE, | |
}, | |
} | |
DEFAULT_LOGGING_CONFIG['handlers'].update(CLOUDWATCH_REMOTE_HANDLERS) | |
elif REMOTE_BASE_LOG_FOLDER.startswith('gs://'): | |
GCS_REMOTE_HANDLERS: Dict[str, Dict[str, str]] = { | |
'task': { | |
'class': 'airflow.utils.log.gcs_task_handler.GCSTaskHandler', | |
'formatter': 'airflow', | |
'base_log_folder': str(os.path.expanduser(BASE_LOG_FOLDER)), | |
'gcs_log_folder': REMOTE_BASE_LOG_FOLDER, | |
'filename_template': FILENAME_TEMPLATE, | |
}, | |
} | |
DEFAULT_LOGGING_CONFIG['handlers'].update(GCS_REMOTE_HANDLERS) | |
elif REMOTE_BASE_LOG_FOLDER.startswith('wasb'): | |
WASB_REMOTE_HANDLERS: Dict[str, Dict[str, Union[str, bool]]] = { | |
'task': { | |
'class': 'airflow.utils.log.wasb_task_handler.WasbTaskHandler', | |
'formatter': 'airflow', | |
'base_log_folder': str(os.path.expanduser(BASE_LOG_FOLDER)), | |
'wasb_log_folder': REMOTE_BASE_LOG_FOLDER, | |
'wasb_container': 'airflow-logs', | |
'filename_template': FILENAME_TEMPLATE, | |
'delete_local_copy': False, | |
}, | |
} | |
DEFAULT_LOGGING_CONFIG['handlers'].update(WASB_REMOTE_HANDLERS) | |
elif REMOTE_BASE_LOG_FOLDER.startswith('stackdriver://'): | |
gcp_conn_id = conf.get('core', 'REMOTE_LOG_CONN_ID', fallback=None) | |
# stackdriver:///airflow-tasks => airflow-tasks | |
log_name = urlparse(REMOTE_BASE_LOG_FOLDER).path[1:] | |
STACKDRIVER_REMOTE_HANDLERS = { | |
'task': { | |
'class': 'airflow.utils.log.stackdriver_task_handler.StackdriverTaskHandler', | |
'formatter': 'airflow', | |
'name': log_name, | |
'gcp_conn_id': gcp_conn_id | |
} | |
} | |
DEFAULT_LOGGING_CONFIG['handlers'].update(STACKDRIVER_REMOTE_HANDLERS) | |
elif ELASTICSEARCH_HOST: | |
ELASTICSEARCH_LOG_ID_TEMPLATE: str = conf.get('elasticsearch', 'LOG_ID_TEMPLATE') | |
ELASTICSEARCH_END_OF_LOG_MARK: str = conf.get('elasticsearch', 'END_OF_LOG_MARK') | |
ELASTICSEARCH_WRITE_STDOUT: bool = conf.getboolean('elasticsearch', 'WRITE_STDOUT') | |
ELASTICSEARCH_JSON_FORMAT: bool = conf.getboolean('elasticsearch', 'JSON_FORMAT') | |
ELASTICSEARCH_JSON_FIELDS: str = conf.get('elasticsearch', 'JSON_FIELDS') | |
ELASTIC_REMOTE_HANDLERS: Dict[str, Dict[str, Union[str, bool]]] = { | |
'task': { | |
'class': 'airflow.utils.log.es_task_handler.ElasticsearchTaskHandler', | |
'formatter': 'airflow', | |
'base_log_folder': str(os.path.expanduser(BASE_LOG_FOLDER)), | |
'log_id_template': ELASTICSEARCH_LOG_ID_TEMPLATE, | |
'filename_template': FILENAME_TEMPLATE, | |
'end_of_log_mark': ELASTICSEARCH_END_OF_LOG_MARK, | |
'host': ELASTICSEARCH_HOST, | |
'write_stdout': ELASTICSEARCH_WRITE_STDOUT, | |
'json_format': ELASTICSEARCH_JSON_FORMAT, | |
'json_fields': ELASTICSEARCH_JSON_FIELDS | |
}, | |
} | |
DEFAULT_LOGGING_CONFIG['handlers'].update(ELASTIC_REMOTE_HANDLERS) | |
else: | |
raise AirflowException( | |
"Incorrect remote log configuration. Please check the configuration of option 'host' in " | |
"section 'elasticsearch' if you are using Elasticsearch. In the other case, " | |
"'remote_base_log_folder' option in 'core' section.") |
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