airflow airflow_local_settings 源码
airflow airflow_local_settings 代码
文件路径：/airflow/config_templates/airflow_local_settings.py
#
# 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"""
from __future__ import annotations
import os
from pathlib import Path
from typing import Any
from urllib.parse import urlparse
from airflow.configuration import conf
from airflow.exceptions import AirflowException
# 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_mandatory_value('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_mandatory_value('logging', 'FAB_LOGGING_LEVEL').upper()
LOG_FORMAT: str = conf.get_mandatory_value('logging', 'LOG_FORMAT')
DAG_PROCESSOR_LOG_FORMAT: str = conf.get_mandatory_value('logging', 'DAG_PROCESSOR_LOG_FORMAT')
LOG_FORMATTER_CLASS: str = conf.get_mandatory_value(
'logging', 'LOG_FORMATTER_CLASS', fallback='airflow.utils.log.timezone_aware.TimezoneAware'
)
COLORED_LOG_FORMAT: str = conf.get_mandatory_value('logging', 'COLORED_LOG_FORMAT')
COLORED_LOG: bool = conf.getboolean('logging', 'COLORED_CONSOLE_LOG')
COLORED_FORMATTER_CLASS: str = conf.get_mandatory_value('logging', 'COLORED_FORMATTER_CLASS')
DAG_PROCESSOR_LOG_TARGET: str = conf.get_mandatory_value('logging', 'DAG_PROCESSOR_LOG_TARGET')
BASE_LOG_FOLDER: str = conf.get_mandatory_value('logging', 'BASE_LOG_FOLDER')
PROCESSOR_LOG_FOLDER: str = conf.get_mandatory_value('scheduler', 'CHILD_PROCESS_LOG_DIRECTORY')
DAG_PROCESSOR_MANAGER_LOG_LOCATION: str = conf.get_mandatory_value(
'logging', 'DAG_PROCESSOR_MANAGER_LOG_LOCATION'
)
# FILENAME_TEMPLATE only uses in Remote Logging Handlers since Airflow 2.3.3
# All of these handlers inherited from FileTaskHandler and providing any value rather than None
# would raise deprecation warning.
FILENAME_TEMPLATE: str | None = None
PROCESSOR_FILENAME_TEMPLATE: str = conf.get_mandatory_value('logging', 'LOG_PROCESSOR_FILENAME_TEMPLATE')
DEFAULT_LOGGING_CONFIG: dict[str, Any] = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'airflow': {
'format': LOG_FORMAT,
'class': LOG_FORMATTER_CLASS,
},
'airflow_coloured': {
'format': COLORED_LOG_FORMAT if COLORED_LOG else LOG_FORMAT,
'class': COLORED_FORMATTER_CLASS if COLORED_LOG else LOG_FORMATTER_CLASS,
},
'source_processor': {
'format': DAG_PROCESSOR_LOG_FORMAT,
'class': LOG_FORMATTER_CLASS,
},
},
'filters': {
'mask_secrets': {
'()': 'airflow.utils.log.secrets_masker.SecretsMasker',
},
},
'handlers': {
'console': {
'class': 'airflow.utils.log.logging_mixin.RedirectStdHandler',
'formatter': 'airflow_coloured',
'stream': 'sys.stdout',
'filters': ['mask_secrets'],
},
'task': {
'class': 'airflow.utils.log.file_task_handler.FileTaskHandler',
'formatter': 'airflow',
'base_log_folder': os.path.expanduser(BASE_LOG_FOLDER),
'filters': ['mask_secrets'],
},
'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,
'filters': ['mask_secrets'],
},
'processor_to_stdout': {
'class': 'airflow.utils.log.logging_mixin.RedirectStdHandler',
'formatter': 'source_processor',
'stream': 'sys.stdout',
'filters': ['mask_secrets'],
},
},
'loggers': {
'airflow.processor': {
'handlers': ['processor_to_stdout' if DAG_PROCESSOR_LOG_TARGET == "stdout" else 'processor'],
'level': LOG_LEVEL,
# Set to true here (and reset via set_context) so that if no file is configured we still get logs!
'propagate': True,
},
'airflow.task': {
'handlers': ['task'],
'level': LOG_LEVEL,
# Set to true here (and reset via set_context) so that if no file is configured we still get logs!
'propagate': True,
'filters': ['mask_secrets'],
},
'flask_appbuilder': {
'handlers': ['console'],
'level': FAB_LOG_LEVEL,
'propagate': True,
},
},
'root': {
'handlers': ['console'],
'level': LOG_LEVEL,
'filters': ['mask_secrets'],
},
}
EXTRA_LOGGER_NAMES: str | None = conf.get('logging', 'EXTRA_LOGGER_NAMES', fallback=None)
if EXTRA_LOGGER_NAMES:
new_loggers = {
logger_name.strip(): {
'handlers': ['console'],
'level': LOG_LEVEL,
'propagate': True,
}
for logger_name in EXTRA_LOGGER_NAMES.split(",")
}
DEFAULT_LOGGING_CONFIG['loggers'].update(new_loggers)
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'])
Path(directory).mkdir(parents=True, exist_ok=True, mode=0o755)
##################
# Remote logging #
##################
REMOTE_LOGGING: bool = conf.getboolean('logging', 'remote_logging')
if REMOTE_LOGGING:
ELASTICSEARCH_HOST: str | None = 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_mandatory_value('logging', 'REMOTE_BASE_LOG_FOLDER')
if REMOTE_BASE_LOG_FOLDER.startswith('s3://'):
S3_REMOTE_HANDLERS: dict[str, dict[str, str | None]] = {
'task': {
'class': 'airflow.providers.amazon.aws.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://'):
url_parts = urlparse(REMOTE_BASE_LOG_FOLDER)
CLOUDWATCH_REMOTE_HANDLERS: dict[str, dict[str, str | None]] = {
'task': {
'class': 'airflow.providers.amazon.aws.log.cloudwatch_task_handler.CloudwatchTaskHandler',
'formatter': 'airflow',
'base_log_folder': str(os.path.expanduser(BASE_LOG_FOLDER)),
'log_group_arn': url_parts.netloc + url_parts.path,
'filename_template': FILENAME_TEMPLATE,
},
}
DEFAULT_LOGGING_CONFIG['handlers'].update(CLOUDWATCH_REMOTE_HANDLERS)
elif REMOTE_BASE_LOG_FOLDER.startswith('gs://'):
key_path = conf.get_mandatory_value('logging', 'GOOGLE_KEY_PATH', fallback=None)
GCS_REMOTE_HANDLERS: dict[str, dict[str, str | None]] = {
'task': {
'class': 'airflow.providers.google.cloud.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,
'gcp_key_path': key_path,
},
}
DEFAULT_LOGGING_CONFIG['handlers'].update(GCS_REMOTE_HANDLERS)
elif REMOTE_BASE_LOG_FOLDER.startswith('wasb'):
WASB_REMOTE_HANDLERS: dict[str, dict[str, str | bool | None]] = {
'task': {
'class': 'airflow.providers.microsoft.azure.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://'):
key_path = conf.get_mandatory_value('logging', 'GOOGLE_KEY_PATH', fallback=None)
# stackdriver:///airflow-tasks => airflow-tasks
log_name = urlparse(REMOTE_BASE_LOG_FOLDER).path[1:]
STACKDRIVER_REMOTE_HANDLERS = {
'task': {
'class': 'airflow.providers.google.cloud.log.stackdriver_task_handler.StackdriverTaskHandler',
'formatter': 'airflow',
'name': log_name,
'gcp_key_path': key_path,
}
}
DEFAULT_LOGGING_CONFIG['handlers'].update(STACKDRIVER_REMOTE_HANDLERS)
elif REMOTE_BASE_LOG_FOLDER.startswith('oss://'):
OSS_REMOTE_HANDLERS = {
'task': {
'class': 'airflow.providers.alibaba.cloud.log.oss_task_handler.OSSTaskHandler',
'formatter': 'airflow',
'base_log_folder': os.path.expanduser(BASE_LOG_FOLDER),
'oss_log_folder': REMOTE_BASE_LOG_FOLDER,
'filename_template': FILENAME_TEMPLATE,
},
}
DEFAULT_LOGGING_CONFIG['handlers'].update(OSS_REMOTE_HANDLERS)
elif ELASTICSEARCH_HOST:
ELASTICSEARCH_LOG_ID_TEMPLATE: str = conf.get_mandatory_value('elasticsearch', 'LOG_ID_TEMPLATE')
ELASTICSEARCH_END_OF_LOG_MARK: str = conf.get_mandatory_value('elasticsearch', 'END_OF_LOG_MARK')
ELASTICSEARCH_FRONTEND: str = conf.get_mandatory_value('elasticsearch', 'frontend')
ELASTICSEARCH_WRITE_STDOUT: bool = conf.getboolean('elasticsearch', 'WRITE_STDOUT')
ELASTICSEARCH_JSON_FORMAT: bool = conf.getboolean('elasticsearch', 'JSON_FORMAT')
ELASTICSEARCH_JSON_FIELDS: str = conf.get_mandatory_value('elasticsearch', 'JSON_FIELDS')
ELASTICSEARCH_HOST_FIELD: str = conf.get_mandatory_value('elasticsearch', 'HOST_FIELD')
ELASTICSEARCH_OFFSET_FIELD: str = conf.get_mandatory_value('elasticsearch', 'OFFSET_FIELD')
ELASTIC_REMOTE_HANDLERS: dict[str, dict[str, str | bool | None]] = {
'task': {
'class': 'airflow.providers.elasticsearch.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,
'frontend': ELASTICSEARCH_FRONTEND,
'write_stdout': ELASTICSEARCH_WRITE_STDOUT,
'json_format': ELASTICSEARCH_JSON_FORMAT,
'json_fields': ELASTICSEARCH_JSON_FIELDS,
'host_field': ELASTICSEARCH_HOST_FIELD,
'offset_field': ELASTICSEARCH_OFFSET_FIELD,
},
}
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 the 'logging' section."
)
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