dockerfiles/airflow/data/airflow.cfg

# -*- coding: utf-8 -*-
#
# 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.


# This is the template for Airflow's default configuration. When Airflow is
# imported, it looks for a configuration file at $AIRFLOW_HOME/airflow.cfg. If
# it doesn't exist, Airflow uses this template to generate it by replacing
# variables in curly braces with their global values from configuration.py.

# Users should not modify this file; they should customize the generated
# airflow.cfg instead.


# ----------------------- TEMPLATE BEGINS HERE -----------------------

[core]
# The folder where your airflow pipelines live, most likely a
# subfolder in a code repository. This path must be absolute.
dags_folder = /opt/airflow/dags

# The folder where airflow should store its log files
# This path must be absolute
base_log_folder = /opt/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.
remote_log_conn_id =
remote_base_log_folder =
encrypt_s3_logs = False

# Logging level
logging_level = INFO

# Logging level for Flask-appbuilder UI
fab_logging_level = WARN

# 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

# Log filename format
log_filename_template = {{ ti.dag_id }}/{{ ti.task_id }}/{{ ts }}/{{ try_number }}.log
log_processor_filename_template = {{ filename }}.log
dag_processor_manager_log_location = /opt/airflow/logs/dag_processor_manager/dag_processor_manager.log

# Name of handler to read task instance logs.
# Default to use task handler.
task_log_reader = task

# Hostname by providing a path to a callable, which will resolve the hostname.
# The format is "package:function".
#
# For example, default value "socket:getfqdn" means that result from getfqdn() of "socket"
# package will be used as hostname.
#
# 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 = socket: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
executor = CeleryExecutor

# The SqlAlchemy connection string to the metadata database.
# SqlAlchemy supports many different database engine, more information
# their website
sql_alchemy_conn = postgresql+psycopg2://airflow:airflow@postges:5432/airflow

# The encoding for the databases
sql_engine_encoding = utf-8

# 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/13/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. Default 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/13/core/engines.html#sqlalchemy.create_engine.params.connect_args
# sql_alchemy_connect_args =

# The amount of parallelism as a setting to the executor. This defines
# the max number of task instances that should run simultaneously
# on this airflow installation
parallelism = 32

# The number of task instances allowed to run concurrently by the scheduler
dag_concurrency = 16

# Are DAGs paused by default at creation
dags_are_paused_at_creation = True

# The maximum number of active DAG 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 = False

# 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

# Where your Airflow plugins are stored
plugins_folder = /opt/airflow/plugins

# Secret key to save connection passwords in the db
fernet_key = CD2wL7G0zt1SLuO4JQpLJuHtBaBEcXWKbQyvkvf2cZ8=

# Whether to disable pickling dags
donot_pickle = False

# How long before timing out a python file import
dagbag_import_timeout = 30

# 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
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 =

# If set to False enables some unsecure features like Charts and Ad Hoc Queries.
# In 2.0 will default to True.
secure_mode = False

# 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). This will be deprecated in Airflow 2.0 (be forced to False).
enable_xcom_pickling = True

# 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 = False

# Worker initialisation check to validate Metadata Database connection
worker_precheck = False

# When discovering DAGs, ignore any files that don't contain the strings `DAG` and `airflow`.
dag_discovery_safe_mode = True

# The number of retries each task is going to have by default. Can be overridden at dag or task level.
default_task_retries = 0

# Whether to serialise DAGs and persist them in DB.
# If set to True, Webserver reads from DB instead of parsing DAG files
# More details: https://airflow.apache.org/docs/stable/dag-serialization.html
store_serialized_dags = False

# Updating serialized DAG can not be faster than a minimum interval to reduce database write rate.
min_serialized_dag_update_interval = 30

# Whether to persist DAG files code in DB.
# If set to True, Webserver reads file contents from DB instead of
# trying to access files in a DAG folder. Defaults to same as the
# `store_serialized_dags` setting.
# Example: store_dag_code = False
# store_dag_code =

# Maximum number of Rendered Task Instance Fields (Template Fields) per task to store
# in the Database.
# When Dag Serialization is enabled (`store_serialized_dags=True`), 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

[secrets]
# Full class name of secrets backend to enable (will precede env vars and metastore in search path)
# Example: backend = airflow.contrib.secrets.aws_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]
# How to authenticate users of the API. See
# https://airflow.apache.org/docs/stable/security.html for possible values.
# ("airflow.api.auth.backend.default" allows all requests for historic reasons)
auth_backend = airflow.api.auth.backend.default

[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

[hive]
# Default mapreduce queue for HiveOperator tasks
default_hive_mapred_queue =

[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 RBAC 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 =

# 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 = 30

# 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
secret_key = temporary_key

# 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 = -

# Expose the configuration file in the web server
expose_config = False

# Expose hostname in the web server
expose_hostname = True

# Expose stacktrace in the web server
expose_stacktrace = True

# Set to true to turn on authentication:
# https://airflow.apache.org/security.html#web-authentication
authenticate = False

# Filter the list of dags by owner name (requires authentication to be enabled)
filter_by_owner = False

# Filtering mode. Choices include user (default) and ldapgroup.
# Ldap group filtering requires using the ldap backend
#
# Note that the ldap server needs the "memberOf" overlay to be set up
# in order to user the ldapgroup mode.
owner_mode = user

# Default DAG view. Valid values are:
# tree, graph, duration, gantt, landing_times
dag_default_view = tree

# "Default DAG orientation. Valid values are:"
# LR (Left->Right), TB (Top->Bottom), RL (Right->Left), BT (Bottom->Top)
dag_orientation = LR

# Puts the webserver in demonstration mode; blurs the names of Operators for
# privacy.
demo_mode = False

# 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

# Use FAB-based webserver with RBAC feature
rbac = False

# Define the color of navigation bar
navbar_color = #007A87

# 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 =

# 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 =

# Update FAB permissions and sync security manager roles
# on webserver startup
update_fab_perms = True

# Minutes of non-activity before logged out from UI
# 0 means never get forcibly logged out
force_log_out_after = 0

# The UI cookie lifetime in days
session_lifetime_days = 30

[email]
email_backend = airflow.utils.email.send_email_smtp

[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 = airflow@example.com

[sentry]

# Sentry (https://docs.sentry.io) integration
sentry_dsn =

[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 =

# 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

# The Celery broker URL. Celery supports RabbitMQ, Redis and experimentally
# a sqlalchemy database. Refer to the Celery documentation for more
# information.
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#broker-settings
broker_url = redis://redis:6379/1

# 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
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#task-result-backend-settings
result_backend = db+postgresql://airflow:airflow@postges/airflow

# Celery Flower is a sweet UI for Celery. Airflow has a shortcut to start
# it `airflow 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 =

# Default queue that tasks get assigned to and that worker listen on.
default_queue = default

# 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

# In case of using SSL
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 = 2

[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

# After how much time should the scheduler terminate in seconds
# -1 indicates to run continuously (see also num_runs)
run_duration = -1

# The number of times to try to schedule each DAG file
# -1 indicates unlimited number
num_runs = -1

# The number of seconds to wait between consecutive DAG file processing
processor_poll_interval = 1

# after how much time (seconds) a new DAGs should be picked up from the filesystem
min_file_process_interval = 0

# 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

# 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
child_process_log_directory = /opt/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

# 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

# This changes the batch size of queries in the scheduling main loop.
# If this is too high, SQL query performance may be impacted by one
# or more of the following:
# - reversion to full table scan
# - complexity of query predicate
# - 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

# Statsd (https://github.com/etsy/statsd) integration settings
statsd_on = False
statsd_host = localhost
statsd_port = 8125
statsd_prefix = airflow

# If you want to avoid send all the available metrics to StatsD,
# you can configure an allow list of prefixes to send only the metrics that
# start with the elements of the list (e.g: scheduler,executor,dagrun)
statsd_allow_list =

# The scheduler can run multiple threads in parallel to schedule dags.
# This defines how many threads will run.
max_threads = 2
authenticate = False

# 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

[ldap]
# set this to ldaps://<your.ldap.server>:<port>
uri =
user_filter = objectClass=*
user_name_attr = uid
group_member_attr = memberOf
superuser_filter =
data_profiler_filter =
bind_user = cn=Manager,dc=example,dc=com
bind_password = insecure
basedn = dc=example,dc=com
cacert = /etc/ca/ldap_ca.crt
search_scope = LEVEL

# This setting allows the use of LDAP servers that either return a
# broken schema, or do not return a schema.
ignore_malformed_schema = False

[mesos]
# Mesos master address which MesosExecutor will connect to.
master = localhost:5050

# The framework name which Airflow scheduler will register itself as on mesos
framework_name = Airflow

# Number of cpu cores required for running one task instance using
# 'airflow run <dag_id> <task_id> <execution_date> --local -p <pickle_id>'
# command on a mesos slave
task_cpu = 1

# Memory in MB required for running one task instance using
# 'airflow run <dag_id> <task_id> <execution_date> --local -p <pickle_id>'
# command on a mesos slave
task_memory = 256

# Enable framework checkpointing for mesos
# See http://mesos.apache.org/documentation/latest/slave-recovery/
checkpoint = False

# Failover timeout in milliseconds.
# When checkpointing is enabled and this option is set, Mesos waits
# until the configured timeout for
# the MesosExecutor framework to re-register after a failover. Mesos
# shuts down running tasks if the
# MesosExecutor framework fails to re-register within this timeframe.
# Example: failover_timeout = 604800
# failover_timeout =

# Enable framework authentication for mesos
# See http://mesos.apache.org/documentation/latest/configuration/
authenticate = False

# Mesos credentials, if authentication is enabled
# Example: default_principal = admin
# default_principal =
# Example: default_secret = admin
# default_secret =

# Optional Docker Image to run on slave before running the command
# This image should be accessible from mesos slave i.e mesos slave
# should be able to pull this docker image before executing the command.
# Example: docker_image_slave = puckel/docker-airflow
# docker_image_slave =

[kerberos]
ccache = /tmp/airflow_krb5_ccache

# gets augmented with fqdn
principal = airflow
reinit_frequency = 3600
kinit_path = kinit
keytab = airflow.keytab

[github_enterprise]
api_rev = v3

[admin]
# UI to hide sensitive variable fields when set to True
hide_sensitive_variable_fields = 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}-{execution_date}-{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: The code will prefix the https:// automatically, don't include that here.
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

[elasticsearch_configs]
use_ssl = False
verify_certs = True

[kubernetes]
# The repository, tag and imagePullPolicy of the Kubernetes Image for the Worker to Run
worker_container_repository =

# Path to the YAML pod file. If set, all other kubernetes-related fields are ignored.
pod_template_file =
worker_container_tag =
worker_container_image_pull_policy = IfNotPresent

# 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.
delete_worker_pods_on_failure = False

# Number of Kubernetes Worker Pod creation calls per scheduler loop
worker_pods_creation_batch_size = 1

# The Kubernetes namespace where airflow workers should be created. Defaults to `default`
namespace = default

# The name of the Kubernetes ConfigMap containing the Airflow Configuration (this file)
# Example: airflow_configmap = airflow-configmap
airflow_configmap =

# The name of the Kubernetes ConfigMap containing `airflow_local_settings.py` file.
#
# For example:
#
# `airflow_local_settings_configmap = "airflow-configmap"` if you have the following ConfigMap.
#
# `airflow-configmap.yaml`:
#
# .. code-block:: yaml
#
#   ---
#   apiVersion: v1
#   kind: ConfigMap
#   metadata:
#     name: airflow-configmap
#   data:
#     airflow_local_settings.py: |
#         def pod_mutation_hook(pod):
#             ...
#     airflow.cfg: |
#         ...
# Example: airflow_local_settings_configmap = airflow-configmap
airflow_local_settings_configmap =

# For docker image already contains DAGs, this is set to `True`, and the worker will
# search for dags in dags_folder,
# otherwise use git sync or dags volume claim to mount DAGs
dags_in_image = False

# For either git sync or volume mounted DAGs, the worker will look in this subpath for DAGs
dags_volume_subpath =

# For either git sync or volume mounted DAGs, the worker will mount the volume in this path
dags_volume_mount_point =

# For DAGs mounted via a volume claim (mutually exclusive with git-sync and host path)
dags_volume_claim =

# For volume mounted logs, the worker will look in this subpath for logs
logs_volume_subpath =

# A shared volume claim for the logs
logs_volume_claim =

# For DAGs mounted via a hostPath volume (mutually exclusive with volume claim and git-sync)
# Useful in local environment, discouraged in production
dags_volume_host =

# A hostPath volume for the logs
# Useful in local environment, discouraged in production
logs_volume_host =

# A list of configMapsRefs to envFrom. If more than one configMap is
# specified, provide a comma separated list: configmap_a,configmap_b
env_from_configmap_ref =

# A list of secretRefs to envFrom. If more than one secret is
# specified, provide a comma separated list: secret_a,secret_b
env_from_secret_ref =

# Git credentials and repository for DAGs mounted via Git (mutually exclusive with volume claim)
git_repo =
git_branch =

# Use a shallow clone with a history truncated to the specified number of commits.
# 0 - do not use shallow clone.
git_sync_depth = 1
git_subpath =

# The specific rev or hash the git_sync init container will checkout
# This becomes GIT_SYNC_REV environment variable in the git_sync init container for worker pods
git_sync_rev =

# Use git_user and git_password for user authentication or git_ssh_key_secret_name
# and git_ssh_key_secret_key for SSH authentication
git_user =
git_password =
git_sync_root = /git
git_sync_dest = repo

# Mount point of the volume if git-sync is being used.
# i.e. /opt/airflow/dags
git_dags_folder_mount_point =

# To get Git-sync SSH authentication set up follow this format
#
# `airflow-secrets.yaml`:
#
# .. code-block:: yaml
#
#   ---
#   apiVersion: v1
#   kind: Secret
#   metadata:
#     name: airflow-secrets
#   data:
#     # key needs to be gitSshKey
#     gitSshKey: <base64_encoded_data>
# Example: git_ssh_key_secret_name = airflow-secrets
git_ssh_key_secret_name =

# To get Git-sync SSH authentication set up follow this format
#
# `airflow-configmap.yaml`:
#
# .. code-block:: yaml
#
#   ---
#   apiVersion: v1
#   kind: ConfigMap
#   metadata:
#     name: airflow-configmap
#   data:
#     known_hosts: |
#         github.com ssh-rsa <...>
#     airflow.cfg: |
#         ...
# Example: git_ssh_known_hosts_configmap_name = airflow-configmap
git_ssh_known_hosts_configmap_name =

# To give the git_sync init container credentials via a secret, create a secret
# with two fields: GIT_SYNC_USERNAME and GIT_SYNC_PASSWORD (example below) and
# add `git_sync_credentials_secret = <secret_name>` to your airflow config under the
# `kubernetes` section
#
# Secret Example:
#
# .. code-block:: yaml
#
#   ---
#   apiVersion: v1
#   kind: Secret
#   metadata:
#     name: git-credentials
#   data:
#     GIT_SYNC_USERNAME: <base64_encoded_git_username>
#     GIT_SYNC_PASSWORD: <base64_encoded_git_password>
git_sync_credentials_secret =

# For cloning DAGs from git repositories into volumes: https://github.com/kubernetes/git-sync
git_sync_container_repository = k8s.gcr.io/git-sync
git_sync_container_tag = v3.1.1
git_sync_init_container_name = git-sync-clone
git_sync_run_as_user = 65533

# The name of the Kubernetes service account to be associated with airflow workers, if any.
# Service accounts are required for workers that require access to secrets or cluster resources.
# See the Kubernetes RBAC documentation for more:
# https://kubernetes.io/docs/admin/authorization/rbac/
worker_service_account_name =

# Any image pull secrets to be given to worker pods, If more than one secret is
# required, provide a comma separated list: secret_a,secret_b
image_pull_secrets =

# GCP Service Account Keys to be provided to tasks run on Kubernetes Executors
# Should be supplied in the format: key-name-1:key-path-1,key-name-2:key-path-2
gcp_service_account_keys =

# 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 =
# config_file =

# Affinity configuration as a single line formatted JSON object.
# See the affinity model for top-level key names (e.g. `nodeAffinity`, etc.):
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#affinity-v1-core
affinity =

# A list of toleration objects as a single line formatted JSON array
# See:
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#toleration-v1-core
tolerations =

# 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/master/kubernetes/client/apis/core_v1_api.py
# Note that if no _request_timeout is specified, the kubernetes client will wait indefinitely
# for kubernetes api responses, which will cause the scheduler to hang.
# The timeout is specified as [connect timeout, read timeout]
kube_client_request_args =

# Specifies the uid to run the first process of the worker pods containers as
run_as_user = 50000

# Specifies a gid to associate with all containers in the worker pods
# if using a git_ssh_key_secret_name use an fs_group
# that allows for the key to be read, e.g. 65533
fs_group =

[kubernetes_node_selectors]

# The Key-value pairs to be given to worker pods.
# The worker pods will be scheduled to the nodes of the specified key-value pairs.
# Should be supplied in the format: key = value

[kubernetes_annotations]

# The Key-value annotations pairs to be given to worker pods.
# Should be supplied in the format: key = value

[kubernetes_environment_variables]

# The scheduler sets the following environment variables into your workers. You may define as
# many environment variables as needed and the kubernetes launcher will set them in the launched workers.
# Environment variables in this section are defined as follows
# `<environment_variable_key> = <environment_variable_value>`
#
# For example if you wanted to set an environment variable with value `prod` and key
# `ENVIRONMENT` you would follow the following format:
# ENVIRONMENT = prod
#
# Additionally you may override worker airflow settings with the `AIRFLOW__<SECTION>__<KEY>`
# formatting as supported by airflow normally.

[kubernetes_secrets]

# The scheduler mounts the following secrets into your workers as they are launched by the
# scheduler. You may define as many secrets as needed and the kubernetes launcher will parse the
# defined secrets and mount them as secret environment variables in the launched workers.
# Secrets in this section are defined as follows
# `<environment_variable_mount> = <kubernetes_secret_object>=<kubernetes_secret_key>`
#
# For example if you wanted to mount a kubernetes secret key named `postgres_password` from the
# kubernetes secret object `airflow-secret` as the environment variable `POSTGRES_PASSWORD` into
# your workers you would follow the following format:
# `POSTGRES_PASSWORD = airflow-secret=postgres_credentials`
#
# Additionally you may override worker airflow settings with the `AIRFLOW__<SECTION>__<KEY>`
# formatting as supported by airflow normally.

[kubernetes_labels]

# The Key-value pairs to be given to worker pods.
# The worker pods will be given these static labels, as well as some additional dynamic labels
# to identify the task.
# Should be supplied in the format: `key = value`