/root/airflow/airflow.cfg
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[core] # The folder where your airflow pipelines live, most likely a # subfolder in a code repository. This path must be absolute. dags_folder = /root/airflow/dags # Hostname by providing a path to a callable, which will resolve the hostname. # The format is "package.function". # # For example, default value "airflow.utils.net.getfqdn" means that result from patched # version of socket.getfqdn() - see https://github.com/python/cpython/issues/49254. # # No argument should be required in the function specified. # If using IP address as hostname is preferred, use value ``airflow.utils.net.get_host_ip_address`` hostname_callable = airflow.utils.net.getfqdn # Default timezone in case supplied date times are naive # can be utc (default), system, or any IANA timezone string (e.g. Europe/Amsterdam) default_timezone = utc # The executor class that airflow should use. Choices include # ``SequentialExecutor``, ``LocalExecutor``, ``CeleryExecutor``, ``DaskExecutor``, # ``KubernetesExecutor``, ``CeleryKubernetesExecutor`` or the # full import path to the class when using a custom executor. executor = SequentialExecutor # This defines the maximum number of task instances that can run concurrently per scheduler in # Airflow, regardless of the worker count. Generally this value, multiplied by the number of # schedulers in your cluster, is the maximum number of task instances with the running # state in the metadata database. parallelism = 32 # The maximum number of task instances allowed to run concurrently in each DAG. To calculate # the number of tasks that is running concurrently for a DAG, add up the number of running # tasks for all DAG runs of the DAG. This is configurable at the DAG level with ``max_active_tasks``, # which is defaulted as ``max_active_tasks_per_dag``. # # An example scenario when this would be useful is when you want to stop a new dag with an early # start date from stealing all the executor slots in a cluster. max_active_tasks_per_dag = 16 # Are DAGs paused by default at creation dags_are_paused_at_creation = True # The maximum number of active DAG runs per DAG. The scheduler will not create more DAG runs # if it reaches the limit. This is configurable at the DAG level with ``max_active_runs``, # which is defaulted as ``max_active_runs_per_dag``. max_active_runs_per_dag = 16 # Whether to load the DAG examples that ship with Airflow. It's good to # get started, but you probably want to set this to ``False`` in a production # environment load_examples = True # Path to the folder containing Airflow plugins plugins_folder = /root/airflow/plugins # Should tasks be executed via forking of the parent process ("False", # the speedier option) or by spawning a new python process ("True" slow, # but means plugin changes picked up by tasks straight away) execute_tasks_new_python_interpreter = False # Secret key to save connection passwords in the db fernet_key = # Whether to disable pickling dags donot_pickle = True # How long before timing out a python file import dagbag_import_timeout = 30.0 # Should a traceback be shown in the UI for dagbag import errors, # instead of just the exception message dagbag_import_error_tracebacks = True # If tracebacks are shown, how many entries from the traceback should be shown dagbag_import_error_traceback_depth = 2 # How long before timing out a DagFileProcessor, which processes a dag file dag_file_processor_timeout = 50 # The class to use for running task instances in a subprocess. # Choices include StandardTaskRunner, CgroupTaskRunner or the full import path to the class # when using a custom task runner. task_runner = StandardTaskRunner # If set, tasks without a ``run_as_user`` argument will be run with this user # Can be used to de-elevate a sudo user running Airflow when executing tasks default_impersonation = # What security module to use (for example kerberos) security = # Turn unit test mode on (overwrites many configuration options with test # values at runtime) unit_test_mode = False # Whether to enable pickling for xcom (note that this is insecure and allows for # RCE exploits). enable_xcom_pickling = False # When a task is killed forcefully, this is the amount of time in seconds that # it has to cleanup after it is sent a SIGTERM, before it is SIGKILLED killed_task_cleanup_time = 60 # Whether to override params with dag_run.conf. If you pass some key-value pairs # through ``airflow dags backfill -c`` or # ``airflow dags trigger -c``, the key-value pairs will override the existing ones in params. dag_run_conf_overrides_params = True # When discovering DAGs, ignore any files that don't contain the strings ``DAG`` and ``airflow``. dag_discovery_safe_mode = True # The pattern syntax used in the ".airflowignore" files in the DAG directories. Valid values are # ``regexp`` or ``glob``. dag_ignore_file_syntax = regexp # The number of retries each task is going to have by default. Can be overridden at dag or task level. default_task_retries = 0 # The number of seconds each task is going to wait by default between retries. Can be overridden at # dag or task level. default_task_retry_delay = 300 # The weighting method used for the effective total priority weight of the task default_task_weight_rule = downstream # The default task execution_timeout value for the operators. Expected an integer value to # be passed into timedelta as seconds. If not specified, then the value is considered as None, # meaning that the operators are never timed out by default. default_task_execution_timeout = # Updating serialized DAG can not be faster than a minimum interval to reduce database write rate. min_serialized_dag_update_interval = 30 # If True, serialized DAGs are compressed before writing to DB. # Note: this will disable the DAG dependencies view compress_serialized_dags = False # Fetching serialized DAG can not be faster than a minimum interval to reduce database # read rate. This config controls when your DAGs are updated in the Webserver min_serialized_dag_fetch_interval = 10 # Maximum number of Rendered Task Instance Fields (Template Fields) per task to store # in the Database. # All the template_fields for each of Task Instance are stored in the Database. # Keeping this number small may cause an error when you try to view ``Rendered`` tab in # TaskInstance view for older tasks. max_num_rendered_ti_fields_per_task = 30 # On each dagrun check against defined SLAs check_slas = True # Path to custom XCom class that will be used to store and resolve operators results # Example: xcom_backend = path.to.CustomXCom xcom_backend = airflow.models.xcom.BaseXCom # By default Airflow plugins are lazily-loaded (only loaded when required). Set it to ``False``, # if you want to load plugins whenever 'airflow' is invoked via cli or loaded from module. lazy_load_plugins = True # By default Airflow providers are lazily-discovered (discovery and imports happen only when required). # Set it to False, if you want to discover providers whenever 'airflow' is invoked via cli or # loaded from module. lazy_discover_providers = True # Hide sensitive Variables or Connection extra json keys from UI and task logs when set to True # # (Connection passwords are always hidden in logs) hide_sensitive_var_conn_fields = True # A comma-separated list of extra sensitive keywords to look for in variables names or connection's # extra JSON. sensitive_var_conn_names = # Task Slot counts for ``default_pool``. This setting would not have any effect in an existing # deployment where the ``default_pool`` is already created. For existing deployments, users can # change the number of slots using Webserver, API or the CLI default_pool_task_slot_count = 128 # The maximum list/dict length an XCom can push to trigger task mapping. If the pushed list/dict has a # length exceeding this value, the task pushing the XCom will be failed automatically to prevent the # mapped tasks from clogging the scheduler. max_map_length = 1024 # The default umask to use for process when run in daemon mode (scheduler, worker, etc.) # # This controls the file-creation mode mask which determines the initial value of file permission bits # for newly created files. # # This value is treated as an octal-integer. daemon_umask = 0o077 # Class to use as dataset manager. # Example: dataset_manager_class = airflow.datasets.manager.DatasetManager # dataset_manager_class = # Kwargs to supply to dataset manager. # Example: dataset_manager_kwargs = {"some_param": "some_value"} # dataset_manager_kwargs = [database] # The SqlAlchemy connection string to the metadata database. # SqlAlchemy supports many different database engines. # More information here: # http://airflow.apache.org/docs/apache-airflow/stable/howto/set-up-database.html#database-uri sql_alchemy_conn = sqlite:////root/airflow/airflow.db # Extra engine specific keyword args passed to SQLAlchemy's create_engine, as a JSON-encoded value # Example: sql_alchemy_engine_args = {"arg1": True} # sql_alchemy_engine_args = # The encoding for the databases sql_engine_encoding = utf-8 # Collation for ``dag_id``, ``task_id``, ``key``, ``external_executor_id`` columns # in case they have different encoding. # By default this collation is the same as the database collation, however for ``mysql`` and ``mariadb`` # the default is ``utf8mb3_bin`` so that the index sizes of our index keys will not exceed # the maximum size of allowed index when collation is set to ``utf8mb4`` variant # (see https://github.com/apache/airflow/pull/17603#issuecomment-901121618). # sql_engine_collation_for_ids = # If SqlAlchemy should pool database connections. sql_alchemy_pool_enabled = True # The SqlAlchemy pool size is the maximum number of database connections # in the pool. 0 indicates no limit. sql_alchemy_pool_size = 5 # The maximum overflow size of the pool. # When the number of checked-out connections reaches the size set in pool_size, # additional connections will be returned up to this limit. # When those additional connections are returned to the pool, they are disconnected and discarded. # It follows then that the total number of simultaneous connections the pool will allow # is pool_size + max_overflow, # and the total number of "sleeping" connections the pool will allow is pool_size. # max_overflow can be set to ``-1`` to indicate no overflow limit; # no limit will be placed on the total number of concurrent connections. Defaults to ``10``. sql_alchemy_max_overflow = 10 # The SqlAlchemy pool recycle is the number of seconds a connection # can be idle in the pool before it is invalidated. This config does # not apply to sqlite. If the number of DB connections is ever exceeded, # a lower config value will allow the system to recover faster. sql_alchemy_pool_recycle = 1800 # Check connection at the start of each connection pool checkout. # Typically, this is a simple statement like "SELECT 1". # More information here: # https://docs.sqlalchemy.org/en/14/core/pooling.html#disconnect-handling-pessimistic sql_alchemy_pool_pre_ping = True # The schema to use for the metadata database. # SqlAlchemy supports databases with the concept of multiple schemas. sql_alchemy_schema = # Import path for connect args in SqlAlchemy. Defaults to an empty dict. # This is useful when you want to configure db engine args that SqlAlchemy won't parse # in connection string. # See https://docs.sqlalchemy.org/en/14/core/engines.html#sqlalchemy.create_engine.params.connect_args # sql_alchemy_connect_args = # Whether to load the default connections that ship with Airflow. It's good to # get started, but you probably want to set this to ``False`` in a production # environment load_default_connections = True # Number of times the code should be retried in case of DB Operational Errors. # Not all transactions will be retried as it can cause undesired state. # Currently it is only used in ``DagFileProcessor.process_file`` to retry ``dagbag.sync_to_db``. max_db_retries = 3 [logging] # The folder where airflow should store its log files. # This path must be absolute. # There are a few existing configurations that assume this is set to the default. # If you choose to override this you may need to update the dag_processor_manager_log_location and # dag_processor_manager_log_location settings as well. base_log_folder = /root/airflow/logs # Airflow can store logs remotely in AWS S3, Google Cloud Storage or Elastic Search. # Set this to True if you want to enable remote logging. remote_logging = False # Users must supply an Airflow connection id that provides access to the storage # location. Depending on your remote logging service, this may only be used for # reading logs, not writing them. remote_log_conn_id = # Path to Google Credential JSON file. If omitted, authorization based on `the Application Default # Credentials # <https://cloud.google.com/docs/authentication/production#finding_credentials_automatically>`__ will # be used. google_key_path = # 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 # Stackdriver logs should start with "stackdriver://" remote_base_log_folder = # Use server-side encryption for logs stored in S3 encrypt_s3_logs = False # Logging level. # # Supported values: ``CRITICAL``, ``ERROR``, ``WARNING``, ``INFO``, ``DEBUG``. logging_level = INFO # Logging level for celery. If not set, it uses the value of logging_level # # Supported values: ``CRITICAL``, ``ERROR``, ``WARNING``, ``INFO``, ``DEBUG``. celery_logging_level = # Logging level for Flask-appbuilder UI. # # Supported values: ``CRITICAL``, ``ERROR``, ``WARNING``, ``INFO``, ``DEBUG``. fab_logging_level = WARNING # Logging class # Specify the class that will specify the logging configuration # This class has to be on the python classpath # Example: logging_config_class = my.path.default_local_settings.LOGGING_CONFIG logging_config_class = # Flag to enable/disable Colored logs in Console # Colour the logs when the controlling terminal is a TTY. colored_console_log = True # Log format for when Colored logs is enabled colored_log_format = [%%(blue)s%%(asctime)s%%(reset)s] {%%(blue)s%%(filename)s:%%(reset)s%%(lineno)d} %%(log_color)s%%(levelname)s%%(reset)s - %%(log_color)s%%(message)s%%(reset)s colored_formatter_class = airflow.utils.log.colored_log.CustomTTYColoredFormatter # Format of Log line log_format = [%%(asctime)s] {%%(filename)s:%%(lineno)d} %%(levelname)s - %%(message)s simple_log_format = %%(asctime)s %%(levelname)s - %%(message)s # Where to send dag parser logs. If "file", logs are sent to log files defined by child_process_log_directory. dag_processor_log_target = file # Format of Dag Processor Log line dag_processor_log_format = [%%(asctime)s] [SOURCE:DAG_PROCESSOR] {%%(filename)s:%%(lineno)d} %%(levelname)s - %%(message)s log_formatter_class = airflow.utils.log.timezone_aware.TimezoneAware # Specify prefix pattern like mentioned below with stream handler TaskHandlerWithCustomFormatter # Example: task_log_prefix_template = {ti.dag_id}-{ti.task_id}-{execution_date}-{try_number} task_log_prefix_template = # Formatting for how airflow generates file names/paths for each task run. log_filename_template = dag_id={{ ti.dag_id }}/run_id={{ ti.run_id }}/task_id={{ ti.task_id }}/{%% if ti.map_index >= 0 %%}map_index={{ ti.map_index }}/{%% endif %%}attempt={{ try_number }}.log # Formatting for how airflow generates file names for log log_processor_filename_template = {{ filename }}.log # Full path of dag_processor_manager logfile. dag_processor_manager_log_location = /root/airflow/logs/dag_processor_manager/dag_processor_manager.log # Name of handler to read task instance logs. # Defaults to use ``task`` handler. task_log_reader = task # A comma\-separated list of third-party logger names that will be configured to print messages to # consoles\. # Example: extra_logger_names = connexion,sqlalchemy extra_logger_names = # When you start an airflow worker, airflow starts a tiny web server # subprocess to serve the workers local log files to the airflow main # web server, who then builds pages and sends them to users. This defines # the port on which the logs are served. It needs to be unused, and open # visible from the main web server to connect into the workers. worker_log_server_port = 8793 [metrics] # StatsD (https://github.com/etsy/statsd) integration settings. # Enables sending metrics to StatsD. statsd_on = False statsd_host = localhost statsd_port = 8125 statsd_prefix = airflow # If you want to avoid sending all the available metrics to StatsD, # you can configure an allow list of prefixes (comma separated) to send only the metrics that # start with the elements of the list (e.g: "scheduler,executor,dagrun") statsd_allow_list = # A function that validate the StatsD stat name, apply changes to the stat name if necessary and return # the transformed stat name. # # The function should have the following signature: # def func_name(stat_name: str) -> str: stat_name_handler = # To enable datadog integration to send airflow metrics. statsd_datadog_enabled = False # List of datadog tags attached to all metrics(e.g: key1:value1,key2:value2) statsd_datadog_tags = # If you want to utilise your own custom StatsD client set the relevant # module path below. # Note: The module path must exist on your PYTHONPATH for Airflow to pick it up # statsd_custom_client_path = [secrets] # Full class name of secrets backend to enable (will precede env vars and metastore in search path) # Example: backend = airflow.providers.amazon.aws.secrets.systems_manager.SystemsManagerParameterStoreBackend backend = # The backend_kwargs param is loaded into a dictionary and passed to __init__ of secrets backend class. # See documentation for the secrets backend you are using. JSON is expected. # Example for AWS Systems Manager ParameterStore: # ``{"connections_prefix": "/airflow/connections", "profile_name": "default"}`` backend_kwargs = [cli] # In what way should the cli access the API. The LocalClient will use the # database directly, while the json_client will use the api running on the # webserver api_client = airflow.api.client.local_client # If you set web_server_url_prefix, do NOT forget to append it here, ex: # ``endpoint_url = http://localhost:8080/myroot`` # So api will look like: ``http://localhost:8080/myroot/api/experimental/...`` endpoint_url = http://localhost:8080 [debug] # Used only with ``DebugExecutor``. If set to ``True`` DAG will fail with first # failed task. Helpful for debugging purposes. fail_fast = False [api] # Enables the deprecated experimental API. Please note that these APIs do not have access control. # The authenticated user has full access. # # .. warning:: # # This `Experimental REST API <https://airflow.readthedocs.io/en/latest/rest-api-ref.html>`__ is # deprecated since version 2.0. Please consider using # `the Stable REST API <https://airflow.readthedocs.io/en/latest/stable-rest-api-ref.html>`__. # For more information on migration, see # `RELEASE_NOTES.rst <https://github.com/apache/airflow/blob/main/RELEASE_NOTES.rst>`_ enable_experimental_api = False # Comma separated list of auth backends to authenticate users of the API. See # https://airflow.apache.org/docs/apache-airflow/stable/security/api.html for possible values. # ("airflow.api.auth.backend.default" allows all requests for historic reasons) auth_backends = airflow.api.auth.backend.session # Used to set the maximum page limit for API requests maximum_page_limit = 100 # Used to set the default page limit when limit is zero. A default limit # of 100 is set on OpenApi spec. However, this particular default limit # only work when limit is set equal to zero(0) from API requests. # If no limit is supplied, the OpenApi spec default is used. fallback_page_limit = 100 # The intended audience for JWT token credentials used for authorization. This value must match on the client and server sides. If empty, audience will not be tested. # Example: google_oauth2_audience = project-id-random-value.apps.googleusercontent.com google_oauth2_audience = # Path to Google Cloud Service Account key file (JSON). If omitted, authorization based on # `the Application Default Credentials # <https://cloud.google.com/docs/authentication/production#finding_credentials_automatically>`__ will # be used. # Example: google_key_path = /files/service-account-json google_key_path = # Used in response to a preflight request to indicate which HTTP # headers can be used when making the actual request. This header is # the server side response to the browser's # Access-Control-Request-Headers header. access_control_allow_headers = # Specifies the method or methods allowed when accessing the resource. access_control_allow_methods = # Indicates whether the response can be shared with requesting code from the given origins. # Separate URLs with space. access_control_allow_origins = [lineage] # what lineage backend to use backend = [atlas] sasl_enabled = False host = port = 21000 username = password = [operators] # The default owner assigned to each new operator, unless # provided explicitly or passed via ``default_args`` default_owner = airflow default_cpus = 1 default_ram = 512 default_disk = 512 default_gpus = 0 # Default queue that tasks get assigned to and that worker listen on. default_queue = default # Is allowed to pass additional/unused arguments (args, kwargs) to the BaseOperator operator. # If set to False, an exception will be thrown, otherwise only the console message will be displayed. allow_illegal_arguments = False [hive] # Default mapreduce queue for HiveOperator tasks default_hive_mapred_queue = # Template for mapred_job_name in HiveOperator, supports the following named parameters # hostname, dag_id, task_id, execution_date # mapred_job_name_template = [webserver] # The base url of your website as airflow cannot guess what domain or # cname you are using. This is used in automated emails that # airflow sends to point links to the right web server base_url = http://localhost:8080 # Default timezone to display all dates in the UI, can be UTC, system, or # any IANA timezone string (e.g. Europe/Amsterdam). If left empty the # default value of core/default_timezone will be used # Example: default_ui_timezone = America/New_York default_ui_timezone = UTC # The ip specified when starting the web server web_server_host = 0.0.0.0 # The port on which to run the web server web_server_port = 8080 # Paths to the SSL certificate and key for the web server. When both are # provided SSL will be enabled. This does not change the web server port. web_server_ssl_cert = # Paths to the SSL certificate and key for the web server. When both are # provided SSL will be enabled. This does not change the web server port. web_server_ssl_key = # The type of backend used to store web session data, can be 'database' or 'securecookie' # Example: session_backend = securecookie session_backend = database # Number of seconds the webserver waits before killing gunicorn master that doesn't respond web_server_master_timeout = 120 # Number of seconds the gunicorn webserver waits before timing out on a worker web_server_worker_timeout = 120 # Number of workers to refresh at a time. When set to 0, worker refresh is # disabled. When nonzero, airflow periodically refreshes webserver workers by # bringing up new ones and killing old ones. worker_refresh_batch_size = 1 # Number of seconds to wait before refreshing a batch of workers. worker_refresh_interval = 6000 # If set to True, Airflow will track files in plugins_folder directory. When it detects changes, # then reload the gunicorn. reload_on_plugin_change = False # Secret key used to run your flask app. It should be as random as possible. However, when running # more than 1 instances of webserver, make sure all of them use the same ``secret_key`` otherwise # one of them will error with "CSRF session token is missing". # The webserver key is also used to authorize requests to Celery workers when logs are retrieved. # The token generated using the secret key has a short expiry time though - make sure that time on # ALL the machines that you run airflow components on is synchronized (for example using ntpd) # otherwise you might get "forbidden" errors when the logs are accessed. secret_key = Qhv2Bx3KH2x/k6s7Z3yV0Q== # Number of workers to run the Gunicorn web server workers = 4 # The worker class gunicorn should use. Choices include # sync (default), eventlet, gevent worker_class = sync # Log files for the gunicorn webserver. '-' means log to stderr. access_logfile = - # Log files for the gunicorn webserver. '-' means log to stderr. error_logfile = - # Access log format for gunicorn webserver. # default format is %%(h)s %%(l)s %%(u)s %%(t)s "%%(r)s" %%(s)s %%(b)s "%%(f)s" "%%(a)s" # documentation - https://docs.gunicorn.org/en/stable/settings.html#access-log-format access_logformat = # Expose the configuration file in the web server. Set to "non-sensitive-only" to show all values # except those that have security implications. "True" shows all values. "False" hides the # configuration completely. expose_config = False # Expose hostname in the web server expose_hostname = True # Expose stacktrace in the web server expose_stacktrace = False # Default DAG view. Valid values are: ``grid``, ``graph``, ``duration``, ``gantt``, ``landing_times`` dag_default_view = grid # Default DAG orientation. Valid values are: # ``LR`` (Left->Right), ``TB`` (Top->Bottom), ``RL`` (Right->Left), ``BT`` (Bottom->Top) dag_orientation = LR # The amount of time (in secs) webserver will wait for initial handshake # while fetching logs from other worker machine log_fetch_timeout_sec = 5 # Time interval (in secs) to wait before next log fetching. log_fetch_delay_sec = 2 # Distance away from page bottom to enable auto tailing. log_auto_tailing_offset = 30 # Animation speed for auto tailing log display. log_animation_speed = 1000 # By default, the webserver shows paused DAGs. Flip this to hide paused # DAGs by default hide_paused_dags_by_default = False # Consistent page size across all listing views in the UI page_size = 100 # Define the color of navigation bar navbar_color = #fff # Default dagrun to show in UI default_dag_run_display_number = 25 # Enable werkzeug ``ProxyFix`` middleware for reverse proxy enable_proxy_fix = False # Number of values to trust for ``X-Forwarded-For``. # More info: https://werkzeug.palletsprojects.com/en/0.16.x/middleware/proxy_fix/ proxy_fix_x_for = 1 # Number of values to trust for ``X-Forwarded-Proto`` proxy_fix_x_proto = 1 # Number of values to trust for ``X-Forwarded-Host`` proxy_fix_x_host = 1 # Number of values to trust for ``X-Forwarded-Port`` proxy_fix_x_port = 1 # Number of values to trust for ``X-Forwarded-Prefix`` proxy_fix_x_prefix = 1 # Set secure flag on session cookie cookie_secure = False # Set samesite policy on session cookie cookie_samesite = Lax # Default setting for wrap toggle on DAG code and TI log views. default_wrap = False # Allow the UI to be rendered in a frame x_frame_enabled = True # Send anonymous user activity to your analytics tool # choose from google_analytics, segment, or metarouter # analytics_tool = # Unique ID of your account in the analytics tool # analytics_id = # 'Recent Tasks' stats will show for old DagRuns if set show_recent_stats_for_completed_runs = True # Update FAB permissions and sync security manager roles # on webserver startup update_fab_perms = True # The UI cookie lifetime in minutes. User will be logged out from UI after # ``session_lifetime_minutes`` of non-activity session_lifetime_minutes = 43200 # Sets a custom page title for the DAGs overview page and site title for all pages # instance_name = # Whether the custom page title for the DAGs overview page contains any Markup language instance_name_has_markup = False # How frequently, in seconds, the DAG data will auto-refresh in graph or grid view # when auto-refresh is turned on auto_refresh_interval = 3 # Boolean for displaying warning for publicly viewable deployment warn_deployment_exposure = True # Comma separated string of view events to exclude from dag audit view. # All other events will be added minus the ones passed here. # The audit logs in the db will not be affected by this parameter. audit_view_excluded_events = gantt,landing_times,tries,duration,calendar,graph,grid,tree,tree_data # Comma separated string of view events to include in dag audit view. # If passed, only these events will populate the dag audit view. # The audit logs in the db will not be affected by this parameter. # Example: audit_view_included_events = dagrun_cleared,failed # audit_view_included_events = [email] # Configuration email backend and whether to # send email alerts on retry or failure # Email backend to use email_backend = airflow.utils.email.send_email_smtp # Email connection to use email_conn_id = smtp_default # Whether email alerts should be sent when a task is retried default_email_on_retry = True # Whether email alerts should be sent when a task failed default_email_on_failure = True # File that will be used as the template for Email subject (which will be rendered using Jinja2). # If not set, Airflow uses a base template. # Example: subject_template = /path/to/my_subject_template_file # subject_template = # File that will be used as the template for Email content (which will be rendered using Jinja2). # If not set, Airflow uses a base template. # Example: html_content_template = /path/to/my_html_content_template_file # html_content_template = # Email address that will be used as sender address. # It can either be raw email or the complete address in a format ``Sender Name <[email protected]>`` # Example: from_email = Airflow <[email protected]> # from_email = [smtp] # If you want airflow to send emails on retries, failure, and you want to use # the airflow.utils.email.send_email_smtp function, you have to configure an # smtp server here smtp_host = localhost smtp_starttls = True smtp_ssl = False # Example: smtp_user = airflow # smtp_user = # Example: smtp_password = airflow # smtp_password = smtp_port = 25 smtp_mail_from = [email protected] smtp_timeout = 30 smtp_retry_limit = 5 [sentry] # Sentry (https://docs.sentry.io) integration. Here you can supply # additional configuration options based on the Python platform. See: # https://docs.sentry.io/error-reporting/configuration/?platform=python. # Unsupported options: ``integrations``, ``in_app_include``, ``in_app_exclude``, # ``ignore_errors``, ``before_breadcrumb``, ``transport``. # Enable error reporting to Sentry sentry_on = false sentry_dsn = # Dotted path to a before_send function that the sentry SDK should be configured to use. # before_send = [local_kubernetes_executor] # This section only applies if you are using the ``LocalKubernetesExecutor`` in # ``[core]`` section above # Define when to send a task to ``KubernetesExecutor`` when using ``LocalKubernetesExecutor``. # When the queue of a task is the value of ``kubernetes_queue`` (default ``kubernetes``), # the task is executed via ``KubernetesExecutor``, # otherwise via ``LocalExecutor`` kubernetes_queue = kubernetes [celery_kubernetes_executor] # This section only applies if you are using the ``CeleryKubernetesExecutor`` in # ``[core]`` section above # Define when to send a task to ``KubernetesExecutor`` when using ``CeleryKubernetesExecutor``. # When the queue of a task is the value of ``kubernetes_queue`` (default ``kubernetes``), # the task is executed via ``KubernetesExecutor``, # otherwise via ``CeleryExecutor`` kubernetes_queue = kubernetes [celery] # This section only applies if you are using the CeleryExecutor in # ``[core]`` section above # The app name that will be used by celery celery_app_name = airflow.executors.celery_executor # The concurrency that will be used when starting workers with the # ``airflow celery worker`` command. This defines the number of task instances that # a worker will take, so size up your workers based on the resources on # your worker box and the nature of your tasks worker_concurrency = 16 # The maximum and minimum concurrency that will be used when starting workers with the # ``airflow celery worker`` command (always keep minimum processes, but grow # to maximum if necessary). Note the value should be max_concurrency,min_concurrency # Pick these numbers based on resources on worker box and the nature of the task. # If autoscale option is available, worker_concurrency will be ignored. # http://docs.celeryproject.org/en/latest/reference/celery.bin.worker.html#cmdoption-celery-worker-autoscale # Example: worker_autoscale = 16,12 # worker_autoscale = # Used to increase the number of tasks that a worker prefetches which can improve performance. # The number of processes multiplied by worker_prefetch_multiplier is the number of tasks # that are prefetched by a worker. A value greater than 1 can result in tasks being unnecessarily # blocked if there are multiple workers and one worker prefetches tasks that sit behind long # running tasks while another worker has unutilized processes that are unable to process the already # claimed blocked tasks. # https://docs.celeryproject.org/en/stable/userguide/optimizing.html#prefetch-limits worker_prefetch_multiplier = 1 # Specify if remote control of the workers is enabled. # When using Amazon SQS as the broker, Celery creates lots of ``.*reply-celery-pidbox`` queues. You can # prevent this by setting this to false. However, with this disabled Flower won't work. worker_enable_remote_control = true # The Celery broker URL. Celery supports RabbitMQ, Redis and experimentally # a sqlalchemy database. Refer to the Celery documentation for more information. broker_url = redis://redis:6379/0 # The Celery result_backend. When a job finishes, it needs to update the # metadata of the job. Therefore it will post a message on a message bus, # or insert it into a database (depending of the backend) # This status is used by the scheduler to update the state of the task # The use of a database is highly recommended # When not specified, sql_alchemy_conn with a db+ scheme prefix will be used # http://docs.celeryproject.org/en/latest/userguide/configuration.html#task-result-backend-settings # Example: result_backend = db+postgresql://postgres:airflow@postgres/airflow # result_backend = # Celery Flower is a sweet UI for Celery. Airflow has a shortcut to start # it ``airflow celery flower``. This defines the IP that Celery Flower runs on flower_host = 0.0.0.0 # The root URL for Flower # Example: flower_url_prefix = /flower flower_url_prefix = # This defines the port that Celery Flower runs on flower_port = 5555 # Securing Flower with Basic Authentication # Accepts user:password pairs separated by a comma # Example: flower_basic_auth = user1:password1,user2:password2 flower_basic_auth = # How many processes CeleryExecutor uses to sync task state. # 0 means to use max(1, number of cores - 1) processes. sync_parallelism = 0 # Import path for celery configuration options celery_config_options = airflow.config_templates.default_celery.DEFAULT_CELERY_CONFIG ssl_active = False ssl_key = ssl_cert = ssl_cacert = # Celery Pool implementation. # Choices include: ``prefork`` (default), ``eventlet``, ``gevent`` or ``solo``. # See: # https://docs.celeryproject.org/en/latest/userguide/workers.html#concurrency # https://docs.celeryproject.org/en/latest/userguide/concurrency/eventlet.html pool = prefork # The number of seconds to wait before timing out ``send_task_to_executor`` or # ``fetch_celery_task_state`` operations. operation_timeout = 1.0 # Celery task will report its status as 'started' when the task is executed by a worker. # This is used in Airflow to keep track of the running tasks and if a Scheduler is restarted # or run in HA mode, it can adopt the orphan tasks launched by previous SchedulerJob. task_track_started = True # Time in seconds after which adopted tasks which are queued in celery are assumed to be stalled, # and are automatically rescheduled. This setting does the same thing as ``stalled_task_timeout`` but # applies specifically to adopted tasks only. When set to 0, the ``stalled_task_timeout`` setting # also applies to adopted tasks. task_adoption_timeout = 600 # Time in seconds after which tasks queued in celery are assumed to be stalled, and are automatically # rescheduled. Adopted tasks will instead use the ``task_adoption_timeout`` setting if specified. # When set to 0, automatic clearing of stalled tasks is disabled. stalled_task_timeout = 0 # The Maximum number of retries for publishing task messages to the broker when failing # due to ``AirflowTaskTimeout`` error before giving up and marking Task as failed. task_publish_max_retries = 3 # Worker initialisation check to validate Metadata Database connection worker_precheck = False [celery_broker_transport_options] # This section is for specifying options which can be passed to the # underlying celery broker transport. See: # http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-broker_transport_options # The visibility timeout defines the number of seconds to wait for the worker # to acknowledge the task before the message is redelivered to another worker. # Make sure to increase the visibility timeout to match the time of the longest # ETA you're planning to use. # visibility_timeout is only supported for Redis and SQS celery brokers. # See: # http://docs.celeryproject.org/en/master/userguide/configuration.html#std:setting-broker_transport_options # Example: visibility_timeout = 21600 # visibility_timeout = [dask] # This section only applies if you are using the DaskExecutor in # [core] section above # The IP address and port of the Dask cluster's scheduler. cluster_address = 127.0.0.1:8786 # TLS/ SSL settings to access a secured Dask scheduler. tls_ca = tls_cert = tls_key = [scheduler] # Task instances listen for external kill signal (when you clear tasks # from the CLI or the UI), this defines the frequency at which they should # listen (in seconds). job_heartbeat_sec = 5 # The scheduler constantly tries to trigger new tasks (look at the # scheduler section in the docs for more information). This defines # how often the scheduler should run (in seconds). scheduler_heartbeat_sec = 5 # The number of times to try to schedule each DAG file # -1 indicates unlimited number num_runs = -1 # Controls how long the scheduler will sleep between loops, but if there was nothing to do # in the loop. i.e. if it scheduled something then it will start the next loop # iteration straight away. scheduler_idle_sleep_time = 1 # Number of seconds after which a DAG file is parsed. The DAG file is parsed every # ``min_file_process_interval`` number of seconds. Updates to DAGs are reflected after # this interval. Keeping this number low will increase CPU usage. min_file_process_interval = 30 # How often (in seconds) to check for stale DAGs (DAGs which are no longer present in # the expected files) which should be deactivated. deactivate_stale_dags_interval = 60 # How often (in seconds) to scan the DAGs directory for new files. Default to 5 minutes. dag_dir_list_interval = 300 # How often should stats be printed to the logs. Setting to 0 will disable printing stats print_stats_interval = 30 # How often (in seconds) should pool usage stats be sent to StatsD (if statsd_on is enabled) pool_metrics_interval = 5.0 # If the last scheduler heartbeat happened more than scheduler_health_check_threshold # ago (in seconds), scheduler is considered unhealthy. # This is used by the health check in the "/health" endpoint scheduler_health_check_threshold = 30 # When you start a scheduler, airflow starts a tiny web server # subprocess to serve a health check if this is set to True enable_health_check = False # When you start a scheduler, airflow starts a tiny web server # subprocess to serve a health check on this port scheduler_health_check_server_port = 8974 # How often (in seconds) should the scheduler check for orphaned tasks and SchedulerJobs orphaned_tasks_check_interval = 300.0 child_process_log_directory = /root/airflow/logs/scheduler # Local task jobs periodically heartbeat to the DB. If the job has # not heartbeat in this many seconds, the scheduler will mark the # associated task instance as failed and will re-schedule the task. scheduler_zombie_task_threshold = 300 # How often (in seconds) should the scheduler check for zombie tasks. zombie_detection_interval = 10.0 # Turn off scheduler catchup by setting this to ``False``. # Default behavior is unchanged and # Command Line Backfills still work, but the scheduler # will not do scheduler catchup if this is ``False``, # however it can be set on a per DAG basis in the # DAG definition (catchup) catchup_by_default = True # Setting this to True will make first task instance of a task # ignore depends_on_past setting. A task instance will be considered # as the first task instance of a task when there is no task instance # in the DB with an execution_date earlier than it., i.e. no manual marking # success will be needed for a newly added task to be scheduled. ignore_first_depends_on_past_by_default = True # This changes the batch size of queries in the scheduling main loop. # If this is too high, SQL query performance may be impacted by # complexity of query predicate, and/or excessive locking. # Additionally, you may hit the maximum allowable query length for your db. # Set this to 0 for no limit (not advised) max_tis_per_query = 512 # Should the scheduler issue ``SELECT ... FOR UPDATE`` in relevant queries. # If this is set to False then you should not run more than a single # scheduler at once use_row_level_locking = True # Max number of DAGs to create DagRuns for per scheduler loop. max_dagruns_to_create_per_loop = 10 # How many DagRuns should a scheduler examine (and lock) when scheduling # and queuing tasks. max_dagruns_per_loop_to_schedule = 20 # Should the Task supervisor process perform a "mini scheduler" to attempt to schedule more tasks of the # same DAG. Leaving this on will mean tasks in the same DAG execute quicker, but might starve out other # dags in some circumstances schedule_after_task_execution = True # The scheduler can run multiple processes in parallel to parse dags. # This defines how many processes will run. parsing_processes = 2 # One of ``modified_time``, ``random_seeded_by_host`` and ``alphabetical``. # The scheduler will list and sort the dag files to decide the parsing order. # # * ``modified_time``: Sort by modified time of the files. This is useful on large scale to parse the # recently modified DAGs first. # * ``random_seeded_by_host``: Sort randomly across multiple Schedulers but with same order on the # same host. This is useful when running with Scheduler in HA mode where each scheduler can # parse different DAG files. # * ``alphabetical``: Sort by filename file_parsing_sort_mode = modified_time # Whether the dag processor is running as a standalone process or it is a subprocess of a scheduler # job. standalone_dag_processor = False # Only applicable if `[scheduler]standalone_dag_processor` is true and callbacks are stored # in database. Contains maximum number of callbacks that are fetched during a single loop. max_callbacks_per_loop = 20 # Only applicable if `[scheduler]standalone_dag_processor` is true. # Time in seconds after which dags, which were not updated by Dag Processor are deactivated. dag_stale_not_seen_duration = 600 # Turn off scheduler use of cron intervals by setting this to False. # DAGs submitted manually in the web UI or with trigger_dag will still run. use_job_schedule = True # Allow externally triggered DagRuns for Execution Dates in the future # Only has effect if schedule_interval is set to None in DAG allow_trigger_in_future = False # How often to check for expired trigger requests that have not run yet. trigger_timeout_check_interval = 15 [triggerer] # How many triggers a single Triggerer will run at once, by default. default_capacity = 1000 [kerberos] ccache = /tmp/airflow_krb5_ccache # gets augmented with fqdn principal = airflow reinit_frequency = 3600 kinit_path = kinit keytab = airflow.keytab # Allow to disable ticket forwardability. forwardable = True # Allow to remove source IP from token, useful when using token behind NATted Docker host. include_ip = True [elasticsearch] # Elasticsearch host host = # Format of the log_id, which is used to query for a given tasks logs log_id_template = {dag_id}-{task_id}-{run_id}-{map_index}-{try_number} # Used to mark the end of a log stream for a task end_of_log_mark = end_of_log # Qualified URL for an elasticsearch frontend (like Kibana) with a template argument for log_id # Code will construct log_id using the log_id template from the argument above. # NOTE: scheme will default to https if one is not provided # Example: frontend = http://localhost:5601/app/kibana#/discover?_a=(columns:!(message),query:(language:kuery,query:'log_id: "{log_id}"'),sort:!(log.offset,asc)) frontend = # Write the task logs to the stdout of the worker, rather than the default files write_stdout = False # Instead of the default log formatter, write the log lines as JSON json_format = False # Log fields to also attach to the json output, if enabled json_fields = asctime, filename, lineno, levelname, message # The field where host name is stored (normally either `host` or `host.name`) host_field = host # The field where offset is stored (normally either `offset` or `log.offset`) offset_field = offset [elasticsearch_configs] use_ssl = False verify_certs = True [kubernetes] # Path to the YAML pod file that forms the basis for KubernetesExecutor workers. pod_template_file = # The repository of the Kubernetes Image for the Worker to Run worker_container_repository = # The tag of the Kubernetes Image for the Worker to Run worker_container_tag = # The Kubernetes namespace where airflow workers should be created. Defaults to ``default`` namespace = default # If True, all worker pods will be deleted upon termination delete_worker_pods = True # If False (and delete_worker_pods is True), # failed worker pods will not be deleted so users can investigate them. # This only prevents removal of worker pods where the worker itself failed, # not when the task it ran failed. delete_worker_pods_on_failure = False # Number of Kubernetes Worker Pod creation calls per scheduler loop. # Note that the current default of "1" will only launch a single pod # per-heartbeat. It is HIGHLY recommended that users increase this # number to match the tolerance of their kubernetes cluster for # better performance. worker_pods_creation_batch_size = 1 # Allows users to launch pods in multiple namespaces. # Will require creating a cluster-role for the scheduler multi_namespace_mode = False # Use the service account kubernetes gives to pods to connect to kubernetes cluster. # It's intended for clients that expect to be running inside a pod running on kubernetes. # It will raise an exception if called from a process not running in a kubernetes environment. in_cluster = True # When running with in_cluster=False change the default cluster_context or config_file # options to Kubernetes client. Leave blank these to use default behaviour like ``kubectl`` has. # cluster_context = # Path to the kubernetes configfile to be used when ``in_cluster`` is set to False # config_file = # Keyword parameters to pass while calling a kubernetes client core_v1_api methods # from Kubernetes Executor provided as a single line formatted JSON dictionary string. # List of supported params are similar for all core_v1_apis, hence a single config # variable for all apis. See: # https://raw.githubusercontent.com/kubernetes-client/python/41f11a09995efcd0142e25946adc7591431bfb2f/kubernetes/client/api/core_v1_api.py kube_client_request_args = # Optional keyword arguments to pass to the ``delete_namespaced_pod`` kubernetes client # ``core_v1_api`` method when using the Kubernetes Executor. # This should be an object and can contain any of the options listed in the ``v1DeleteOptions`` # class defined here: # https://github.com/kubernetes-client/python/blob/41f11a09995efcd0142e25946adc7591431bfb2f/kubernetes/client/models/v1_delete_options.py#L19 # Example: delete_option_kwargs = {"grace_period_seconds": 10} delete_option_kwargs = # Enables TCP keepalive mechanism. This prevents Kubernetes API requests to hang indefinitely # when idle connection is time-outed on services like cloud load balancers or firewalls. enable_tcp_keepalive = True # When the `enable_tcp_keepalive` option is enabled, TCP probes a connection that has # been idle for `tcp_keep_idle` seconds. tcp_keep_idle = 120 # When the `enable_tcp_keepalive` option is enabled, if Kubernetes API does not respond # to a keepalive probe, TCP retransmits the probe after `tcp_keep_intvl` seconds. tcp_keep_intvl = 30 # When the `enable_tcp_keepalive` option is enabled, if Kubernetes API does not respond # to a keepalive probe, TCP retransmits the probe `tcp_keep_cnt number` of times before # a connection is considered to be broken. tcp_keep_cnt = 6 # Set this to false to skip verifying SSL certificate of Kubernetes python client. verify_ssl = True # How long in seconds a worker can be in Pending before it is considered a failure worker_pods_pending_timeout = 300 # How often in seconds to check if Pending workers have exceeded their timeouts worker_pods_pending_timeout_check_interval = 120 # How often in seconds to check for task instances stuck in "queued" status without a pod worker_pods_queued_check_interval = 60 # How many pending pods to check for timeout violations in each check interval. # You may want this higher if you have a very large cluster and/or use ``multi_namespace_mode``. worker_pods_pending_timeout_batch_size = 100 [sensors] # Sensor default timeout, 7 days by default (7 * 24 * 60 * 60).
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