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update airflow

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kev 2020-08-17 15:45:42 +08:00
parent 9ef01fb803
commit 7845014d1c
5 changed files with 766 additions and 290 deletions
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7
airflow/Dockerfile
View File

@ -2,10 +2,10 @@
# Dockerfile for airflow # Dockerfile for airflow
# #
FROM python:3.7-alpine FROM python:3.8-alpine
ENV AIRFLOW_VERSION=1.10.5 ENV AIRFLOW_VERSION=1.10.11
ENV AIRFLOW_EXTRAS=async,all_dbs,celery,crypto,devel_hadoop,jdbc,ldap,password,redis,s3,samba,slack,ssh,statsd ENV AIRFLOW_EXTRAS=async,all_dbs,celery,crypto,devel_hadoop,jdbc,ldap,password,redis,s3,samba,ssh,statsd
ENV AIRFLOW_HOME=/opt/airflow ENV AIRFLOW_HOME=/opt/airflow
ENV AIRFLOW_CONFIG=/opt/airflow/airflow.cfg ENV AIRFLOW_CONFIG=/opt/airflow/airflow.cfg
@ -22,7 +22,6 @@ RUN set -xe \
python3-dev \ python3-dev \
&& pip install cython numpy psycopg2-binary \ && pip install cython numpy psycopg2-binary \
&& pip install apache-airflow[${AIRFLOW_EXTRAS}]==${AIRFLOW_VERSION} \ && pip install apache-airflow[${AIRFLOW_EXTRAS}]==${AIRFLOW_VERSION} \
&& pip install "websocket-client>=0.35,<0.55.0" \
&& apk del \ && apk del \
build-base \ build-base \
cyrus-sasl-dev \ cyrus-sasl-dev \

5
airflow/README.md
View File

@ -23,9 +23,6 @@ airflow
```bash ```bash
$ docker stack deploy -c docker-stack.yaml airflow $ docker stack deploy -c docker-stack.yaml airflow
$ docker service update --replicas-max-per-node=1 airflow_worker
$ docker service update --replicas 3 airflow_worker
$ docker stack services airflow $ docker stack services airflow
$ docker service ps airflow_webserver $ docker service ps airflow_webserver
$ docker exec -it airflow_webserver.1.xxxxxx sh $ docker exec -it airflow_webserver.1.xxxxxx sh
@ -44,7 +41,7 @@ $ curl http://localhost:5555/
> :warning: You need to prepare nfs server with `airflow.cfg`. > :warning: You need to prepare nfs server with `airflow.cfg`.
``` ```bash
$ python -c 'from cryptography.fernet import Fernet; print(Fernet.generate_key().decode())' $ python -c 'from cryptography.fernet import Fernet; print(Fernet.generate_key().decode())'
CD2wL7G0zt1SLuO4JQpLJuHtBaBEcXWKbQyvkvf2cZ8= CD2wL7G0zt1SLuO4JQpLJuHtBaBEcXWKbQyvkvf2cZ8=
``` ```

525
airflow/data/airflow.cfg
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@ -1,7 +1,37 @@
# -*- 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] [core]
# The folder where your airflow pipelines live, most likely a # The folder where your airflow pipelines live, most likely a
# subfolder in a code repository # subfolder in a code repository. This path must be absolute.
# This path must be absolute
dags_folder = /opt/airflow/dags dags_folder = /opt/airflow/dags
# The folder where airflow should store its log files # The folder where airflow should store its log files
@ -9,30 +39,36 @@ dags_folder = /opt/airflow/dags
base_log_folder = /opt/airflow/logs base_log_folder = /opt/airflow/logs
# Airflow can store logs remotely in AWS S3, Google Cloud Storage or Elastic Search. # Airflow can store logs remotely in AWS S3, Google Cloud Storage or Elastic Search.
# Users must supply an Airflow connection id that provides access to the storage # Set this to True if you want to enable remote logging.
# location. If remote_logging is set to true, see UPDATING.md for additional
# configuration requirements.
remote_logging = False remote_logging = False
# Users must supply an Airflow connection id that provides access to the storage
# location.
remote_log_conn_id = remote_log_conn_id =
remote_base_log_folder = remote_base_log_folder =
encrypt_s3_logs = False encrypt_s3_logs = False
# Logging level # Logging level
logging_level = INFO logging_level = INFO
# Logging level for Flask-appbuilder UI
fab_logging_level = WARN fab_logging_level = WARN
# Logging class # Logging class
# Specify the class that will specify the logging configuration # Specify the class that will specify the logging configuration
# This class has to be on the python classpath # This class has to be on the python classpath
# logging_config_class = my.path.default_local_settings.LOGGING_CONFIG # Example: logging_config_class = my.path.default_local_settings.LOGGING_CONFIG
logging_config_class = logging_config_class =
# Log format # Flag to enable/disable Colored logs in Console
# Colour the logs when the controlling terminal is a TTY. # Colour the logs when the controlling terminal is a TTY.
colored_console_log = True 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_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 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 log_format = [%%(asctime)s] {%%(filename)s:%%(lineno)d} %%(levelname)s - %%(message)s
simple_log_format = %%(asctime)s %%(levelname)s - %%(message)s simple_log_format = %%(asctime)s %%(levelname)s - %%(message)s
@ -41,11 +77,18 @@ log_filename_template = {{ ti.dag_id }}/{{ ti.task_id }}/{{ ts }}/{{ try_number
log_processor_filename_template = {{ filename }}.log log_processor_filename_template = {{ filename }}.log
dag_processor_manager_log_location = /opt/airflow/logs/dag_processor_manager/dag_processor_manager.log dag_processor_manager_log_location = /opt/airflow/logs/dag_processor_manager/dag_processor_manager.log
# Hostname by providing a path to a callable, which will resolve the hostname # Name of handler to read task instance logs.
# The format is "package:function". For example, # Default to use task handler.
# default value "socket:getfqdn" means that result from getfqdn() of "socket" package will be used as hostname 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. # 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" # If using IP address as hostname is preferred, use value `airflow.utils.net:get_host_ip_address`
hostname_callable = socket:getfqdn hostname_callable = socket:getfqdn
# Default timezone in case supplied date times are naive # Default timezone in case supplied date times are naive
@ -75,7 +118,8 @@ sql_alchemy_pool_size = 5
# When the number of checked-out connections reaches the size set in pool_size, # When the number of checked-out connections reaches the size set in pool_size,
# additional connections will be returned up to this limit. # additional connections will be returned up to this limit.
# When those additional connections are returned to the pool, they are disconnected and discarded. # 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, # 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. # 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; # 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. # no limit will be placed on the total number of concurrent connections. Defaults to 10.
@ -87,14 +131,22 @@ sql_alchemy_max_overflow = 10
# a lower config value will allow the system to recover faster. # a lower config value will allow the system to recover faster.
sql_alchemy_pool_recycle = 1800 sql_alchemy_pool_recycle = 1800
# How many seconds to retry re-establishing a DB connection after # Check connection at the start of each connection pool checkout.
# disconnects. Setting this to 0 disables retries. # Typically, this is a simple statement like "SELECT 1".
sql_alchemy_reconnect_timeout = 300 # 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 # The schema to use for the metadata database.
# SqlAlchemy supports databases with the concept of multiple schemas. # SqlAlchemy supports databases with the concept of multiple schemas.
sql_alchemy_schema = 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 amount of parallelism as a setting to the executor. This defines
# the max number of task instances that should run simultaneously # the max number of task instances that should run simultaneously
# on this airflow installation # on this airflow installation
@ -109,11 +161,16 @@ dags_are_paused_at_creation = True
# The maximum number of active DAG runs per DAG # The maximum number of active DAG runs per DAG
max_active_runs_per_dag = 16 max_active_runs_per_dag = 16
# Whether to load the examples that ship with Airflow. It's good to # 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 # get started, but you probably want to set this to False in a production
# environment # environment
load_examples = False 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 # Where your Airflow plugins are stored
plugins_folder = /opt/airflow/plugins plugins_folder = /opt/airflow/plugins
@ -123,9 +180,12 @@ fernet_key = CD2wL7G0zt1SLuO4JQpLJuHtBaBEcXWKbQyvkvf2cZ8=
# Whether to disable pickling dags # Whether to disable pickling dags
donot_pickle = False donot_pickle = False
# How long before timing out a python file import while filling the DagBag # How long before timing out a python file import
dagbag_import_timeout = 30 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 # The class to use for running task instances in a subprocess
task_runner = StandardTaskRunner task_runner = StandardTaskRunner
@ -133,7 +193,7 @@ task_runner = StandardTaskRunner
# Can be used to de-elevate a sudo user running Airflow when executing tasks # Can be used to de-elevate a sudo user running Airflow when executing tasks
default_impersonation = default_impersonation =
# What security module to use (for example kerberos): # What security module to use (for example kerberos)
security = security =
# If set to False enables some unsecure features like Charts and Ad Hoc Queries. # If set to False enables some unsecure features like Charts and Ad Hoc Queries.
@ -144,10 +204,6 @@ secure_mode = False
# values at runtime) # values at runtime)
unit_test_mode = False unit_test_mode = False
# Name of handler to read task instance logs.
# Default to use task handler.
task_log_reader = task
# Whether to enable pickling for xcom (note that this is insecure and allows for # 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). # RCE exploits). This will be deprecated in Airflow 2.0 (be forced to False).
enable_xcom_pickling = True enable_xcom_pickling = True
@ -156,8 +212,9 @@ enable_xcom_pickling = True
# it has to cleanup after it is sent a SIGTERM, before it is SIGKILLED # it has to cleanup after it is sent a SIGTERM, before it is SIGKILLED
killed_task_cleanup_time = 60 killed_task_cleanup_time = 60
# Whether to override params with dag_run.conf. If you pass some key-value pairs through `airflow backfill -c` or # Whether to override params with dag_run.conf. If you pass some key-value pairs
# `airflow trigger_dag -c`, the key-value pairs will override the existing ones in params. # 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 dag_run_conf_overrides_params = False
# Worker initialisation check to validate Metadata Database connection # Worker initialisation check to validate Metadata Database connection
@ -166,6 +223,45 @@ worker_precheck = False
# When discovering DAGs, ignore any files that don't contain the strings `DAG` and `airflow`. # When discovering DAGs, ignore any files that don't contain the strings `DAG` and `airflow`.
dag_discovery_safe_mode = True 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] [cli]
# In what way should the cli access the API. The LocalClient will use the # In what way should the cli access the API. The LocalClient will use the
@ -174,12 +270,19 @@ dag_discovery_safe_mode = True
api_client = airflow.api.client.local_client api_client = airflow.api.client.local_client
# If you set web_server_url_prefix, do NOT forget to append it here, ex: # If you set web_server_url_prefix, do NOT forget to append it here, ex:
# endpoint_url = http://localhost:8080/myroot # `endpoint_url = http://localhost:8080/myroot`
# So api will look like: http://localhost:8080/myroot/api/experimental/... # So api will look like: `http://localhost:8080/myroot/api/experimental/...`
endpoint_url = http://localhost:8080 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] [api]
# How to authenticate users of the 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 auth_backend = airflow.api.auth.backend.default
[lineage] [lineage]
@ -212,6 +315,12 @@ default_hive_mapred_queue =
# airflow sends to point links to the right web server # airflow sends to point links to the right web server
base_url = http://localhost:8080 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 # The ip specified when starting the web server
web_server_host = 0.0.0.0 web_server_host = 0.0.0.0
@ -221,6 +330,9 @@ web_server_port = 8080
# Paths to the SSL certificate and key for the web server. When both are # 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. # provided SSL will be enabled. This does not change the web server port.
web_server_ssl_cert = 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 = web_server_ssl_key =
# Number of seconds the webserver waits before killing gunicorn master that doesn't respond # Number of seconds the webserver waits before killing gunicorn master that doesn't respond
@ -237,7 +349,12 @@ worker_refresh_batch_size = 1
# Number of seconds to wait before refreshing a batch of workers. # Number of seconds to wait before refreshing a batch of workers.
worker_refresh_interval = 30 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 # Secret key used to run your flask app
# It should be as random as possible
secret_key = temporary_key secret_key = temporary_key
# Number of workers to run the Gunicorn web server # Number of workers to run the Gunicorn web server
@ -249,14 +366,19 @@ worker_class = sync
# Log files for the gunicorn webserver. '-' means log to stderr. # Log files for the gunicorn webserver. '-' means log to stderr.
access_logfile = - access_logfile = -
# Log files for the gunicorn webserver. '-' means log to stderr.
error_logfile = - error_logfile = -
# Expose the configuration file in the web server # Expose the configuration file in the web server
# This is only applicable for the flask-admin based web UI (non FAB-based).
# In the FAB-based web UI with RBAC feature,
# access to configuration is controlled by role permissions.
expose_config = False 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: # Set to true to turn on authentication:
# https://airflow.apache.org/security.html#web-authentication # https://airflow.apache.org/security.html#web-authentication
authenticate = False authenticate = False
@ -271,11 +393,11 @@ filter_by_owner = False
# in order to user the ldapgroup mode. # in order to user the ldapgroup mode.
owner_mode = user owner_mode = user
# Default DAG view. Valid values are: # Default DAG view. Valid values are:
# tree, graph, duration, gantt, landing_times # tree, graph, duration, gantt, landing_times
dag_default_view = tree dag_default_view = tree
# Default DAG orientation. Valid values are: # "Default DAG orientation. Valid values are:"
# LR (Left->Right), TB (Top->Bottom), RL (Right->Left), BT (Bottom->Top) # LR (Left->Right), TB (Top->Bottom), RL (Right->Left), BT (Bottom->Top)
dag_orientation = LR dag_orientation = LR
@ -287,6 +409,15 @@ demo_mode = False
# while fetching logs from other worker machine # while fetching logs from other worker machine
log_fetch_timeout_sec = 5 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 # By default, the webserver shows paused DAGs. Flip this to hide paused
# DAGs by default # DAGs by default
hide_paused_dags_by_default = False hide_paused_dags_by_default = False
@ -295,7 +426,7 @@ hide_paused_dags_by_default = False
page_size = 100 page_size = 100
# Use FAB-based webserver with RBAC feature # Use FAB-based webserver with RBAC feature
rbac = True rbac = False
# Define the color of navigation bar # Define the color of navigation bar
navbar_color = #007A87 navbar_color = #007A87
@ -303,9 +434,25 @@ navbar_color = #007A87
# Default dagrun to show in UI # Default dagrun to show in UI
default_dag_run_display_number = 25 default_dag_run_display_number = 25
# Enable werkzeug `ProxyFix` middleware # Enable werkzeug `ProxyFix` middleware for reverse proxy
enable_proxy_fix = False 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 # Set secure flag on session cookie
cookie_secure = False cookie_secure = False
@ -315,48 +462,71 @@ cookie_samesite =
# Default setting for wrap toggle on DAG code and TI log views. # Default setting for wrap toggle on DAG code and TI log views.
default_wrap = False default_wrap = False
# Allow the UI to be rendered in a frame
x_frame_enabled = True
# Send anonymous user activity to your analytics tool # Send anonymous user activity to your analytics tool
# analytics_tool = # choose from google_analytics, segment, or metarouter # choose from google_analytics, segment, or metarouter
# analytics_id = XXXXXXXXXXX # 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]
email_backend = airflow.utils.email.send_email_smtp email_backend = airflow.utils.email.send_email_smtp
[smtp] [smtp]
# If you want airflow to send emails on retries, failure, and you want to use # 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 # the airflow.utils.email.send_email_smtp function, you have to configure an
# smtp server here # smtp server here
smtp_host = localhost smtp_host = localhost
smtp_starttls = True smtp_starttls = True
smtp_ssl = False smtp_ssl = False
# Uncomment and set the user/pass settings if you want to use SMTP AUTH # Example: smtp_user = airflow
# smtp_user = airflow # smtp_user =
# smtp_password = airflow # Example: smtp_password = airflow
# smtp_password =
smtp_port = 25 smtp_port = 25
smtp_mail_from = airflow@example.com smtp_mail_from = airflow@example.com
[sentry]
# Sentry (https://docs.sentry.io) integration
sentry_dsn =
[celery] [celery]
# This section only applies if you are using the CeleryExecutor in
# [core] section above
# This section only applies if you are using the CeleryExecutor in
# `[core]` section above
# The app name that will be used by celery # The app name that will be used by celery
celery_app_name = airflow.executors.celery_executor celery_app_name = airflow.executors.celery_executor
# The concurrency that will be used when starting workers with the # The concurrency that will be used when starting workers with the
# "airflow worker" command. This defines the number of task instances that # `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 # a worker will take, so size up your workers based on the resources on
# your worker box and the nature of your tasks # your worker box and the nature of your tasks
worker_concurrency = 16 worker_concurrency = 16
# The maximum and minimum concurrency that will be used when starting workers with the # The maximum and minimum concurrency that will be used when starting workers with the
# "airflow worker" command (always keep minimum processes, but grow to maximum if necessary). # `airflow celery worker` command (always keep minimum processes, but grow
# Note the value should be "max_concurrency,min_concurrency" # 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. # 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. # 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 # http://docs.celeryproject.org/en/latest/reference/celery.bin.worker.html#cmdoption-celery-worker-autoscale
# worker_autoscale = 16,12 # Example: worker_autoscale = 16,12
# worker_autoscale =
# When you start an airflow worker, airflow starts a tiny web server # When you start an airflow worker, airflow starts a tiny web server
# subprocess to serve the workers local log files to the airflow main # subprocess to serve the workers local log files to the airflow main
@ -384,7 +554,7 @@ result_backend = db+postgresql://airflow:airflow@postges/airflow
flower_host = 0.0.0.0 flower_host = 0.0.0.0
# The root URL for Flower # The root URL for Flower
# Ex: flower_url_prefix = /flower # Example: flower_url_prefix = /flower
flower_url_prefix = flower_url_prefix =
# This defines the port that Celery Flower runs on # This defines the port that Celery Flower runs on
@ -414,38 +584,41 @@ ssl_cacert =
# Celery Pool implementation. # Celery Pool implementation.
# Choices include: prefork (default), eventlet, gevent or solo. # Choices include: prefork (default), eventlet, gevent or solo.
# See: # See:
# https://docs.celeryproject.org/en/latest/userguide/workers.html#concurrency # https://docs.celeryproject.org/en/latest/userguide/workers.html#concurrency
# https://docs.celeryproject.org/en/latest/userguide/concurrency/eventlet.html # https://docs.celeryproject.org/en/latest/userguide/concurrency/eventlet.html
pool = prefork pool = prefork
[celery_broker_transport_options] # The number of seconds to wait before timing out `send_task_to_executor` or
# This section is for specifying options which can be passed to the # `fetch_celery_task_state` operations.
# underlying celery broker transport. See: operation_timeout = 2
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-broker_transport_options
[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 # 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. # 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 # Make sure to increase the visibility timeout to match the time of the longest
# ETA you're planning to use. # ETA you're planning to use.
#
# visibility_timeout is only supported for Redis and SQS celery brokers. # visibility_timeout is only supported for Redis and SQS celery brokers.
# See: # See:
# http://docs.celeryproject.org/en/master/userguide/configuration.html#std:setting-broker_transport_options # http://docs.celeryproject.org/en/master/userguide/configuration.html#std:setting-broker_transport_options
# # Example: visibility_timeout = 21600
#visibility_timeout = 21600 # visibility_timeout =
[dask] [dask]
# This section only applies if you are using the DaskExecutor in # This section only applies if you are using the DaskExecutor in
# [core] section above # [core] section above
# The IP address and port of the Dask cluster's scheduler. # The IP address and port of the Dask cluster's scheduler.
cluster_address = 127.0.0.1:8786 cluster_address = 127.0.0.1:8786
# TLS/ SSL settings to access a secured Dask scheduler. # TLS/ SSL settings to access a secured Dask scheduler.
tls_ca = tls_ca =
tls_cert = tls_cert =
tls_key = tls_key =
[scheduler] [scheduler]
# Task instances listen for external kill signal (when you clear tasks # 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 # from the CLI or the UI), this defines the frequency at which they should
@ -457,24 +630,30 @@ job_heartbeat_sec = 5
# how often the scheduler should run (in seconds). # how often the scheduler should run (in seconds).
scheduler_heartbeat_sec = 5 scheduler_heartbeat_sec = 5
# after how much time should the scheduler terminate in seconds # After how much time should the scheduler terminate in seconds
# -1 indicates to run continuously (see also num_runs) # -1 indicates to run continuously (see also num_runs)
run_duration = -1 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 # after how much time (seconds) a new DAGs should be picked up from the filesystem
min_file_process_interval = 0 min_file_process_interval = 0
# How often (in seconds) to scan the DAGs directory for new files. Default to 5 minutes. # How often (in seconds) to scan the DAGs directory for new files. Default to 5 minutes.
dag_dir_list_interval = 300 dag_dir_list_interval = 300
# How often should stats be printed to the logs # How often should stats be printed to the logs. Setting to 0 will disable printing stats
print_stats_interval = 30 print_stats_interval = 30
# If the last scheduler heartbeat happened more than scheduler_health_check_threshold ago (in seconds), # If the last scheduler heartbeat happened more than scheduler_health_check_threshold
# scheduler is considered unhealthy. # ago (in seconds), scheduler is considered unhealthy.
# This is used by the health check in the "/health" endpoint # This is used by the health check in the "/health" endpoint
scheduler_health_check_threshold = 30 scheduler_health_check_threshold = 30
child_process_log_directory = /opt/airflow/logs/scheduler child_process_log_directory = /opt/airflow/logs/scheduler
# Local task jobs periodically heartbeat to the DB. If the job has # Local task jobs periodically heartbeat to the DB. If the job has
@ -493,12 +672,10 @@ catchup_by_default = True
# This changes the batch size of queries in the scheduling main loop. # 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 # If this is too high, SQL query performance may be impacted by one
# or more of the following: # or more of the following:
# - reversion to full table scan # - reversion to full table scan
# - complexity of query predicate # - complexity of query predicate
# - excessive locking # - excessive locking
#
# Additionally, you may hit the maximum allowable query length for your db. # Additionally, you may hit the maximum allowable query length for your db.
#
# Set this to 0 for no limit (not advised) # Set this to 0 for no limit (not advised)
max_tis_per_query = 512 max_tis_per_query = 512
@ -508,16 +685,24 @@ statsd_host = localhost
statsd_port = 8125 statsd_port = 8125
statsd_prefix = airflow 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. # The scheduler can run multiple threads in parallel to schedule dags.
# This defines how many threads will run. # This defines how many threads will run.
max_threads = 2 max_threads = 2
authenticate = False authenticate = False
# Turn off scheduler use of cron intervals by setting this to 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. # DAGs submitted manually in the web UI or with trigger_dag will still run.
use_job_schedule = True 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] [ldap]
# set this to ldaps://<your.ldap.server>:<port> # set this to ldaps://<your.ldap.server>:<port>
uri = uri =
@ -563,30 +748,34 @@ checkpoint = False
# the MesosExecutor framework to re-register after a failover. Mesos # the MesosExecutor framework to re-register after a failover. Mesos
# shuts down running tasks if the # shuts down running tasks if the
# MesosExecutor framework fails to re-register within this timeframe. # MesosExecutor framework fails to re-register within this timeframe.
# failover_timeout = 604800 # Example: failover_timeout = 604800
# failover_timeout =
# Enable framework authentication for mesos # Enable framework authentication for mesos
# See http://mesos.apache.org/documentation/latest/configuration/ # See http://mesos.apache.org/documentation/latest/configuration/
authenticate = False authenticate = False
# Mesos credentials, if authentication is enabled # Mesos credentials, if authentication is enabled
# default_principal = admin # Example: default_principal = admin
# default_secret = admin # default_principal =
# Example: default_secret = admin
# default_secret =
# Optional Docker Image to run on slave before running the command # Optional Docker Image to run on slave before running the command
# This image should be accessible from mesos slave i.e mesos slave # This image should be accessible from mesos slave i.e mesos slave
# should be able to pull this docker image before executing the command. # should be able to pull this docker image before executing the command.
# docker_image_slave = puckel/docker-airflow # Example: docker_image_slave = puckel/docker-airflow
# docker_image_slave =
[kerberos] [kerberos]
ccache = /tmp/airflow_krb5_ccache ccache = /tmp/airflow_krb5_ccache
# gets augmented with fqdn # gets augmented with fqdn
principal = airflow principal = airflow
reinit_frequency = 3600 reinit_frequency = 3600
kinit_path = kinit kinit_path = kinit
keytab = airflow.keytab keytab = airflow.keytab
[github_enterprise] [github_enterprise]
api_rev = v3 api_rev = v3
@ -597,51 +786,92 @@ hide_sensitive_variable_fields = True
[elasticsearch] [elasticsearch]
# Elasticsearch host # Elasticsearch host
host = host =
# Format of the log_id, which is used to query for a given tasks logs # 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} log_id_template = {dag_id}-{task_id}-{execution_date}-{try_number}
# Used to mark the end of a log stream for a task # Used to mark the end of a log stream for a task
end_of_log_mark = end_of_log end_of_log_mark = end_of_log
# Qualified URL for an elasticsearch frontend (like Kibana) with a template argument for log_id # 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. # 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. # NOTE: The code will prefix the https:// automatically, don't include that here.
frontend = frontend =
# Write the task logs to the stdout of the worker, rather than the default files # Write the task logs to the stdout of the worker, rather than the default files
write_stdout = False write_stdout = False
# Instead of the default log formatter, write the log lines as JSON # Instead of the default log formatter, write the log lines as JSON
json_format = False json_format = False
# Log fields to also attach to the json output, if enabled # Log fields to also attach to the json output, if enabled
json_fields = asctime, filename, lineno, levelname, message json_fields = asctime, filename, lineno, levelname, message
[elasticsearch_configs] [elasticsearch_configs]
use_ssl = False use_ssl = False
verify_certs = True verify_certs = True
[kubernetes] [kubernetes]
# The repository, tag and imagePullPolicy of the Kubernetes Image for the Worker to Run # The repository, tag and imagePullPolicy of the Kubernetes Image for the Worker to Run
worker_container_repository = 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_tag =
worker_container_image_pull_policy = IfNotPresent worker_container_image_pull_policy = IfNotPresent
# If True (default), worker pods will be deleted upon termination # If True, all worker pods will be deleted upon termination
delete_worker_pods = True 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 # Number of Kubernetes Worker Pod creation calls per scheduler loop
worker_pods_creation_batch_size = 1 worker_pods_creation_batch_size = 1
# The Kubernetes namespace where airflow workers should be created. Defaults to `default` # The Kubernetes namespace where airflow workers should be created. Defaults to `default`
namespace = default namespace = default
# The name of the Kubernetes ConfigMap Containing the Airflow Configuration (this file) # The name of the Kubernetes ConfigMap containing the Airflow Configuration (this file)
# Example: airflow_configmap = airflow-configmap
airflow_configmap = airflow_configmap =
# For docker image already contains DAGs, this is set to `True`, and the worker will search for dags in dags_folder, # 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 # otherwise use git sync or dags volume claim to mount DAGs
dags_in_image = False dags_in_image = False
# For either git sync or volume mounted DAGs, the worker will look in this subpath for DAGs # For either git sync or volume mounted DAGs, the worker will look in this subpath for DAGs
dags_volume_subpath = 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) # For DAGs mounted via a volume claim (mutually exclusive with git-sync and host path)
dags_volume_claim = dags_volume_claim =
@ -670,57 +900,80 @@ env_from_secret_ref =
# Git credentials and repository for DAGs mounted via Git (mutually exclusive with volume claim) # Git credentials and repository for DAGs mounted via Git (mutually exclusive with volume claim)
git_repo = git_repo =
git_branch = 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 = git_subpath =
# Use git_user and git_password for user authentication or git_ssh_key_secret_name and git_ssh_key_secret_key
# for SSH authentication # 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_user =
git_password = git_password =
git_sync_root = /git git_sync_root = /git
git_sync_dest = repo git_sync_dest = repo
# Mount point of the volume if git-sync is being used. # Mount point of the volume if git-sync is being used.
# i.e. /opt/airflow/dags # i.e. /opt/airflow/dags
git_dags_folder_mount_point = git_dags_folder_mount_point =
# To get Git-sync SSH authentication set up follow this format # To get Git-sync SSH authentication set up follow this format
# #
# airflow-secrets.yaml: # `airflow-secrets.yaml`:
# ---
# apiVersion: v1
# kind: Secret
# metadata:
# name: airflow-secrets
# data:
# # key needs to be gitSshKey
# gitSshKey: <base64_encoded_data>
# ---
# airflow-configmap.yaml:
# apiVersion: v1
# kind: ConfigMap
# metadata:
# name: airflow-configmap
# data:
# known_hosts: |
# github.com ssh-rsa <...>
# airflow.cfg: |
# ...
# #
# git_ssh_key_secret_name = airflow-secrets # .. code-block:: yaml
# git_ssh_known_hosts_configmap_name = airflow-configmap #
# ---
# 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 = 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 = git_ssh_known_hosts_configmap_name =
# To give the git_sync init container credentials via a secret, create a secret # 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 # 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 # add `git_sync_credentials_secret = <secret_name>` to your airflow config under the
# `kubernetes` section
# #
# Secret Example: # Secret Example:
# apiVersion: v1 #
# kind: Secret # .. code-block:: yaml
# metadata: #
# name: git-credentials # ---
# data: # apiVersion: v1
# GIT_SYNC_USERNAME: <base64_encoded_git_username> # kind: Secret
# GIT_SYNC_PASSWORD: <base64_encoded_git_password> # metadata:
# name: git-credentials
# data:
# GIT_SYNC_USERNAME: <base64_encoded_git_username>
# GIT_SYNC_PASSWORD: <base64_encoded_git_password>
git_sync_credentials_secret = git_sync_credentials_secret =
# For cloning DAGs from git repositories into volumes: https://github.com/kubernetes/git-sync # For cloning DAGs from git repositories into volumes: https://github.com/kubernetes/git-sync
@ -732,7 +985,7 @@ git_sync_run_as_user = 65533
# The name of the Kubernetes service account to be associated with airflow workers, if any. # 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. # Service accounts are required for workers that require access to secrets or cluster resources.
# See the Kubernetes RBAC documentation for more: # See the Kubernetes RBAC documentation for more:
# https://kubernetes.io/docs/admin/authorization/rbac/ # https://kubernetes.io/docs/admin/authorization/rbac/
worker_service_account_name = worker_service_account_name =
# Any image pull secrets to be given to worker pods, If more than one secret is # Any image pull secrets to be given to worker pods, If more than one secret is
@ -753,32 +1006,29 @@ in_cluster = True
# cluster_context = # cluster_context =
# config_file = # config_file =
# Affinity configuration as a single line formatted JSON object. # Affinity configuration as a single line formatted JSON object.
# See the affinity model for top-level key names (e.g. `nodeAffinity`, etc.): # 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 # https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#affinity-v1-core
affinity = affinity =
# A list of toleration objects as a single line formatted JSON array # A list of toleration objects as a single line formatted JSON array
# See: # See:
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#toleration-v1-core # https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#toleration-v1-core
tolerations = tolerations =
# **kwargs parameters to pass while calling a kubernetes client core_v1_api methods from Kubernetes Executor # Keyword parameters to pass while calling a kubernetes client core_v1_api methods
# provided as a single line formatted JSON dictionary string. # from Kubernetes Executor provided as a single line formatted JSON dictionary string.
# List of supported params in **kwargs are similar for all core_v1_apis, hence a single config variable for all apis # List of supported params are similar for all core_v1_apis, hence a single config
# variable for all apis.
# See: # See:
# https://raw.githubusercontent.com/kubernetes-client/python/master/kubernetes/client/apis/core_v1_api.py # 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 # Note that if no _request_timeout is specified, the kubernetes client will wait indefinitely
# api responses, which will cause the scheduler to hang. The timeout is specified as [connect timeout, read timeout] # for kubernetes api responses, which will cause the scheduler to hang.
kube_client_request_args = {"_request_timeout" : [60,60] } # The timeout is specified as [connect timeout, read timeout]
kube_client_request_args =
# Worker pods security context options
# See:
# https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
# Specifies the uid to run the first process of the worker pods containers as # Specifies the uid to run the first process of the worker pods containers as
run_as_user = run_as_user = 50000
# Specifies a gid to associate with all containers in the worker pods # Specifies a gid to associate with all containers in the worker pods
# if using a git_ssh_key_secret_name use an fs_group # if using a git_ssh_key_secret_name use an fs_group
@ -786,44 +1036,49 @@ run_as_user =
fs_group = fs_group =
[kubernetes_node_selectors] [kubernetes_node_selectors]
# The Key-value pairs to be given to worker pods. # 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. # The worker pods will be scheduled to the nodes of the specified key-value pairs.
# Should be supplied in the format: key = value # Should be supplied in the format: key = value
[kubernetes_annotations] [kubernetes_annotations]
# The Key-value annotations pairs to be given to worker pods. # The Key-value annotations pairs to be given to worker pods.
# Should be supplied in the format: key = value # Should be supplied in the format: key = value
[kubernetes_environment_variables] [kubernetes_environment_variables]
# The scheduler sets the following environment variables into your workers. You may define as # 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. # 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 variables in this section are defined as follows
# <environment_variable_key> = <environment_variable_value> # `<environment_variable_key> = <environment_variable_value>`
# #
# For example if you wanted to set an environment variable with value `prod` and key # For example if you wanted to set an environment variable with value `prod` and key
# `ENVIRONMENT` you would follow the following format: # `ENVIRONMENT` you would follow the following format:
# ENVIRONMENT = prod # ENVIRONMENT = prod
# #
# Additionally you may override worker airflow settings with the AIRFLOW__<SECTION>__<KEY> # Additionally you may override worker airflow settings with the `AIRFLOW__<SECTION>__<KEY>`
# formatting as supported by airflow normally. # formatting as supported by airflow normally.
[kubernetes_secrets] [kubernetes_secrets]
# The scheduler mounts the following secrets into your workers as they are launched by the # 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 # 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. # defined secrets and mount them as secret environment variables in the launched workers.
# Secrets in this section are defined as follows # Secrets in this section are defined as follows
# <environment_variable_mount> = <kubernetes_secret_object>=<kubernetes_secret_key> # `<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 # 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 # kubernetes secret object `airflow-secret` as the environment variable `POSTGRES_PASSWORD` into
# your workers you would follow the following format: # your workers you would follow the following format:
# POSTGRES_PASSWORD = airflow-secret=postgres_credentials # `POSTGRES_PASSWORD = airflow-secret=postgres_credentials`
# #
# Additionally you may override worker airflow settings with the AIRFLOW__<SECTION>__<KEY> # Additionally you may override worker airflow settings with the `AIRFLOW__<SECTION>__<KEY>`
# formatting as supported by airflow normally. # formatting as supported by airflow normally.
[kubernetes_labels] [kubernetes_labels]
# The Key-value pairs to be given to worker pods. # 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 # The worker pods will be given these static labels, as well as some additional dynamic labels
# to identify the task. # to identify the task.
# Should be supplied in the format: key = value # Should be supplied in the format: `key = value`

514
airflow/data/default_airflow.cfg
View File

@ -31,8 +31,7 @@
[core] [core]
# The folder where your airflow pipelines live, most likely a # The folder where your airflow pipelines live, most likely a
# subfolder in a code repository # subfolder in a code repository. This path must be absolute.
# This path must be absolute
dags_folder = {AIRFLOW_HOME}/dags dags_folder = {AIRFLOW_HOME}/dags
# The folder where airflow should store its log files # The folder where airflow should store its log files
@ -40,30 +39,36 @@ dags_folder = {AIRFLOW_HOME}/dags
base_log_folder = {AIRFLOW_HOME}/logs base_log_folder = {AIRFLOW_HOME}/logs
# Airflow can store logs remotely in AWS S3, Google Cloud Storage or Elastic Search. # Airflow can store logs remotely in AWS S3, Google Cloud Storage or Elastic Search.
# Users must supply an Airflow connection id that provides access to the storage # Set this to True if you want to enable remote logging.
# location. If remote_logging is set to true, see UPDATING.md for additional
# configuration requirements.
remote_logging = False remote_logging = False
# Users must supply an Airflow connection id that provides access to the storage
# location.
remote_log_conn_id = remote_log_conn_id =
remote_base_log_folder = remote_base_log_folder =
encrypt_s3_logs = False encrypt_s3_logs = False
# Logging level # Logging level
logging_level = INFO logging_level = INFO
# Logging level for Flask-appbuilder UI
fab_logging_level = WARN fab_logging_level = WARN
# Logging class # Logging class
# Specify the class that will specify the logging configuration # Specify the class that will specify the logging configuration
# This class has to be on the python classpath # This class has to be on the python classpath
# logging_config_class = my.path.default_local_settings.LOGGING_CONFIG # Example: logging_config_class = my.path.default_local_settings.LOGGING_CONFIG
logging_config_class = logging_config_class =
# Log format # Flag to enable/disable Colored logs in Console
# Colour the logs when the controlling terminal is a TTY. # Colour the logs when the controlling terminal is a TTY.
colored_console_log = True 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_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 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 log_format = [%%(asctime)s] {{%%(filename)s:%%(lineno)d}} %%(levelname)s - %%(message)s
simple_log_format = %%(asctime)s %%(levelname)s - %%(message)s simple_log_format = %%(asctime)s %%(levelname)s - %%(message)s
@ -72,11 +77,18 @@ log_filename_template = {{{{ ti.dag_id }}}}/{{{{ ti.task_id }}}}/{{{{ ts }}}}/{{
log_processor_filename_template = {{{{ filename }}}}.log log_processor_filename_template = {{{{ filename }}}}.log
dag_processor_manager_log_location = {AIRFLOW_HOME}/logs/dag_processor_manager/dag_processor_manager.log dag_processor_manager_log_location = {AIRFLOW_HOME}/logs/dag_processor_manager/dag_processor_manager.log
# Hostname by providing a path to a callable, which will resolve the hostname # Name of handler to read task instance logs.
# The format is "package:function". For example, # Default to use task handler.
# default value "socket:getfqdn" means that result from getfqdn() of "socket" package will be used as hostname 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. # 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" # If using IP address as hostname is preferred, use value ``airflow.utils.net:get_host_ip_address``
hostname_callable = socket:getfqdn hostname_callable = socket:getfqdn
# Default timezone in case supplied date times are naive # Default timezone in case supplied date times are naive
@ -106,7 +118,8 @@ sql_alchemy_pool_size = 5
# When the number of checked-out connections reaches the size set in pool_size, # When the number of checked-out connections reaches the size set in pool_size,
# additional connections will be returned up to this limit. # additional connections will be returned up to this limit.
# When those additional connections are returned to the pool, they are disconnected and discarded. # 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, # 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. # 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; # 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. # no limit will be placed on the total number of concurrent connections. Defaults to 10.
@ -118,14 +131,22 @@ sql_alchemy_max_overflow = 10
# a lower config value will allow the system to recover faster. # a lower config value will allow the system to recover faster.
sql_alchemy_pool_recycle = 1800 sql_alchemy_pool_recycle = 1800
# How many seconds to retry re-establishing a DB connection after # Check connection at the start of each connection pool checkout.
# disconnects. Setting this to 0 disables retries. # Typically, this is a simple statement like "SELECT 1".
sql_alchemy_reconnect_timeout = 300 # 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 # The schema to use for the metadata database.
# SqlAlchemy supports databases with the concept of multiple schemas. # SqlAlchemy supports databases with the concept of multiple schemas.
sql_alchemy_schema = 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 amount of parallelism as a setting to the executor. This defines
# the max number of task instances that should run simultaneously # the max number of task instances that should run simultaneously
# on this airflow installation # on this airflow installation
@ -140,11 +161,16 @@ dags_are_paused_at_creation = True
# The maximum number of active DAG runs per DAG # The maximum number of active DAG runs per DAG
max_active_runs_per_dag = 16 max_active_runs_per_dag = 16
# Whether to load the examples that ship with Airflow. It's good to # 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 # get started, but you probably want to set this to False in a production
# environment # environment
load_examples = True load_examples = True
# 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 # Where your Airflow plugins are stored
plugins_folder = {AIRFLOW_HOME}/plugins plugins_folder = {AIRFLOW_HOME}/plugins
@ -154,17 +180,20 @@ fernet_key = {FERNET_KEY}
# Whether to disable pickling dags # Whether to disable pickling dags
donot_pickle = False donot_pickle = False
# How long before timing out a python file import while filling the DagBag # How long before timing out a python file import
dagbag_import_timeout = 30 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 # The class to use for running task instances in a subprocess
task_runner = StandardTaskRunner task_runner = StandardTaskRunner
# If set, tasks without a `run_as_user` argument will be run with this user # 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 # Can be used to de-elevate a sudo user running Airflow when executing tasks
default_impersonation = default_impersonation =
# What security module to use (for example kerberos): # What security module to use (for example kerberos)
security = security =
# If set to False enables some unsecure features like Charts and Ad Hoc Queries. # If set to False enables some unsecure features like Charts and Ad Hoc Queries.
@ -175,10 +204,6 @@ secure_mode = False
# values at runtime) # values at runtime)
unit_test_mode = False unit_test_mode = False
# Name of handler to read task instance logs.
# Default to use task handler.
task_log_reader = task
# Whether to enable pickling for xcom (note that this is insecure and allows for # 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). # RCE exploits). This will be deprecated in Airflow 2.0 (be forced to False).
enable_xcom_pickling = True enable_xcom_pickling = True
@ -187,16 +212,56 @@ enable_xcom_pickling = True
# it has to cleanup after it is sent a SIGTERM, before it is SIGKILLED # it has to cleanup after it is sent a SIGTERM, before it is SIGKILLED
killed_task_cleanup_time = 60 killed_task_cleanup_time = 60
# Whether to override params with dag_run.conf. If you pass some key-value pairs through `airflow backfill -c` or # Whether to override params with dag_run.conf. If you pass some key-value pairs
# `airflow trigger_dag -c`, the key-value pairs will override the existing ones in params. # 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 dag_run_conf_overrides_params = False
# Worker initialisation check to validate Metadata Database connection # Worker initialisation check to validate Metadata Database connection
worker_precheck = False worker_precheck = False
# When discovering DAGs, ignore any files that don't contain the strings `DAG` and `airflow`. # When discovering DAGs, ignore any files that don't contain the strings ``DAG`` and ``airflow``.
dag_discovery_safe_mode = True 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] [cli]
# In what way should the cli access the API. The LocalClient will use the # In what way should the cli access the API. The LocalClient will use the
@ -205,13 +270,20 @@ dag_discovery_safe_mode = True
api_client = airflow.api.client.local_client api_client = airflow.api.client.local_client
# If you set web_server_url_prefix, do NOT forget to append it here, ex: # If you set web_server_url_prefix, do NOT forget to append it here, ex:
# endpoint_url = http://localhost:8080/myroot # ``endpoint_url = http://localhost:8080/myroot``
# So api will look like: http://localhost:8080/myroot/api/experimental/... # So api will look like: ``http://localhost:8080/myroot/api/experimental/...``
endpoint_url = http://localhost:8080 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] [api]
# How to authenticate users of the API # How to authenticate users of the API. See
auth_backend = airflow.api.auth.backend.default # 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.deny_all
[lineage] [lineage]
# what lineage backend to use # what lineage backend to use
@ -226,7 +298,7 @@ password =
[operators] [operators]
# The default owner assigned to each new operator, unless # The default owner assigned to each new operator, unless
# provided explicitly or passed via `default_args` # provided explicitly or passed via ``default_args``
default_owner = airflow default_owner = airflow
default_cpus = 1 default_cpus = 1
default_ram = 512 default_ram = 512
@ -243,6 +315,12 @@ default_hive_mapred_queue =
# airflow sends to point links to the right web server # airflow sends to point links to the right web server
base_url = http://localhost:8080 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 # The ip specified when starting the web server
web_server_host = 0.0.0.0 web_server_host = 0.0.0.0
@ -252,6 +330,9 @@ web_server_port = 8080
# Paths to the SSL certificate and key for the web server. When both are # 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. # provided SSL will be enabled. This does not change the web server port.
web_server_ssl_cert = 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 = web_server_ssl_key =
# Number of seconds the webserver waits before killing gunicorn master that doesn't respond # Number of seconds the webserver waits before killing gunicorn master that doesn't respond
@ -268,7 +349,12 @@ worker_refresh_batch_size = 1
# Number of seconds to wait before refreshing a batch of workers. # Number of seconds to wait before refreshing a batch of workers.
worker_refresh_interval = 30 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 # Secret key used to run your flask app
# It should be as random as possible
secret_key = temporary_key secret_key = temporary_key
# Number of workers to run the Gunicorn web server # Number of workers to run the Gunicorn web server
@ -280,14 +366,19 @@ worker_class = sync
# Log files for the gunicorn webserver. '-' means log to stderr. # Log files for the gunicorn webserver. '-' means log to stderr.
access_logfile = - access_logfile = -
# Log files for the gunicorn webserver. '-' means log to stderr.
error_logfile = - error_logfile = -
# Expose the configuration file in the web server # Expose the configuration file in the web server
# This is only applicable for the flask-admin based web UI (non FAB-based).
# In the FAB-based web UI with RBAC feature,
# access to configuration is controlled by role permissions.
expose_config = False 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: # Set to true to turn on authentication:
# https://airflow.apache.org/security.html#web-authentication # https://airflow.apache.org/security.html#web-authentication
authenticate = False authenticate = False
@ -302,11 +393,11 @@ filter_by_owner = False
# in order to user the ldapgroup mode. # in order to user the ldapgroup mode.
owner_mode = user owner_mode = user
# Default DAG view. Valid values are: # Default DAG view. Valid values are:
# tree, graph, duration, gantt, landing_times # tree, graph, duration, gantt, landing_times
dag_default_view = tree dag_default_view = tree
# Default DAG orientation. Valid values are: # "Default DAG orientation. Valid values are:"
# LR (Left->Right), TB (Top->Bottom), RL (Right->Left), BT (Bottom->Top) # LR (Left->Right), TB (Top->Bottom), RL (Right->Left), BT (Bottom->Top)
dag_orientation = LR dag_orientation = LR
@ -318,6 +409,15 @@ demo_mode = False
# while fetching logs from other worker machine # while fetching logs from other worker machine
log_fetch_timeout_sec = 5 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 # By default, the webserver shows paused DAGs. Flip this to hide paused
# DAGs by default # DAGs by default
hide_paused_dags_by_default = False hide_paused_dags_by_default = False
@ -334,9 +434,25 @@ navbar_color = #007A87
# Default dagrun to show in UI # Default dagrun to show in UI
default_dag_run_display_number = 25 default_dag_run_display_number = 25
# Enable werkzeug `ProxyFix` middleware # Enable werkzeug ``ProxyFix`` middleware for reverse proxy
enable_proxy_fix = False 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 # Set secure flag on session cookie
cookie_secure = False cookie_secure = False
@ -346,48 +462,71 @@ cookie_samesite =
# Default setting for wrap toggle on DAG code and TI log views. # Default setting for wrap toggle on DAG code and TI log views.
default_wrap = False default_wrap = False
# Allow the UI to be rendered in a frame
x_frame_enabled = True
# Send anonymous user activity to your analytics tool # Send anonymous user activity to your analytics tool
# analytics_tool = # choose from google_analytics, segment, or metarouter # choose from google_analytics, segment, or metarouter
# analytics_id = XXXXXXXXXXX # 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]
email_backend = airflow.utils.email.send_email_smtp email_backend = airflow.utils.email.send_email_smtp
[smtp] [smtp]
# If you want airflow to send emails on retries, failure, and you want to use # 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 # the airflow.utils.email.send_email_smtp function, you have to configure an
# smtp server here # smtp server here
smtp_host = localhost smtp_host = localhost
smtp_starttls = True smtp_starttls = True
smtp_ssl = False smtp_ssl = False
# Uncomment and set the user/pass settings if you want to use SMTP AUTH # Example: smtp_user = airflow
# smtp_user = airflow # smtp_user =
# smtp_password = airflow # Example: smtp_password = airflow
# smtp_password =
smtp_port = 25 smtp_port = 25
smtp_mail_from = airflow@example.com smtp_mail_from = airflow@example.com
[sentry]
# Sentry (https://docs.sentry.io) integration
sentry_dsn =
[celery] [celery]
# This section only applies if you are using the CeleryExecutor in
# [core] section above
# This section only applies if you are using the CeleryExecutor in
# ``[core]`` section above
# The app name that will be used by celery # The app name that will be used by celery
celery_app_name = airflow.executors.celery_executor celery_app_name = airflow.executors.celery_executor
# The concurrency that will be used when starting workers with the # The concurrency that will be used when starting workers with the
# "airflow worker" command. This defines the number of task instances that # ``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 # a worker will take, so size up your workers based on the resources on
# your worker box and the nature of your tasks # your worker box and the nature of your tasks
worker_concurrency = 16 worker_concurrency = 16
# The maximum and minimum concurrency that will be used when starting workers with the # The maximum and minimum concurrency that will be used when starting workers with the
# "airflow worker" command (always keep minimum processes, but grow to maximum if necessary). # ``airflow celery worker`` command (always keep minimum processes, but grow
# Note the value should be "max_concurrency,min_concurrency" # 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. # 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. # 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 # http://docs.celeryproject.org/en/latest/reference/celery.bin.worker.html#cmdoption-celery-worker-autoscale
# worker_autoscale = 16,12 # Example: worker_autoscale = 16,12
# worker_autoscale =
# When you start an airflow worker, airflow starts a tiny web server # When you start an airflow worker, airflow starts a tiny web server
# subprocess to serve the workers local log files to the airflow main # subprocess to serve the workers local log files to the airflow main
@ -411,11 +550,11 @@ broker_url = sqla+mysql://airflow:airflow@localhost:3306/airflow
result_backend = db+mysql://airflow:airflow@localhost:3306/airflow result_backend = db+mysql://airflow:airflow@localhost:3306/airflow
# Celery Flower is a sweet UI for Celery. Airflow has a shortcut to start # 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 # it ``airflow flower``. This defines the IP that Celery Flower runs on
flower_host = 0.0.0.0 flower_host = 0.0.0.0
# The root URL for Flower # The root URL for Flower
# Ex: flower_url_prefix = /flower # Example: flower_url_prefix = /flower
flower_url_prefix = flower_url_prefix =
# This defines the port that Celery Flower runs on # This defines the port that Celery Flower runs on
@ -445,38 +584,41 @@ ssl_cacert =
# Celery Pool implementation. # Celery Pool implementation.
# Choices include: prefork (default), eventlet, gevent or solo. # Choices include: prefork (default), eventlet, gevent or solo.
# See: # See:
# https://docs.celeryproject.org/en/latest/userguide/workers.html#concurrency # https://docs.celeryproject.org/en/latest/userguide/workers.html#concurrency
# https://docs.celeryproject.org/en/latest/userguide/concurrency/eventlet.html # https://docs.celeryproject.org/en/latest/userguide/concurrency/eventlet.html
pool = prefork pool = prefork
[celery_broker_transport_options] # The number of seconds to wait before timing out ``send_task_to_executor`` or
# This section is for specifying options which can be passed to the # ``fetch_celery_task_state`` operations.
# underlying celery broker transport. See: operation_timeout = 2
# http://docs.celeryproject.org/en/latest/userguide/configuration.html#std:setting-broker_transport_options
[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 # 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. # 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 # Make sure to increase the visibility timeout to match the time of the longest
# ETA you're planning to use. # ETA you're planning to use.
#
# visibility_timeout is only supported for Redis and SQS celery brokers. # visibility_timeout is only supported for Redis and SQS celery brokers.
# See: # See:
# http://docs.celeryproject.org/en/master/userguide/configuration.html#std:setting-broker_transport_options # http://docs.celeryproject.org/en/master/userguide/configuration.html#std:setting-broker_transport_options
# # Example: visibility_timeout = 21600
#visibility_timeout = 21600 # visibility_timeout =
[dask] [dask]
# This section only applies if you are using the DaskExecutor in # This section only applies if you are using the DaskExecutor in
# [core] section above # [core] section above
# The IP address and port of the Dask cluster's scheduler. # The IP address and port of the Dask cluster's scheduler.
cluster_address = 127.0.0.1:8786 cluster_address = 127.0.0.1:8786
# TLS/ SSL settings to access a secured Dask scheduler. # TLS/ SSL settings to access a secured Dask scheduler.
tls_ca = tls_ca =
tls_cert = tls_cert =
tls_key = tls_key =
[scheduler] [scheduler]
# Task instances listen for external kill signal (when you clear tasks # 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 # from the CLI or the UI), this defines the frequency at which they should
@ -488,24 +630,30 @@ job_heartbeat_sec = 5
# how often the scheduler should run (in seconds). # how often the scheduler should run (in seconds).
scheduler_heartbeat_sec = 5 scheduler_heartbeat_sec = 5
# after how much time should the scheduler terminate in seconds # After how much time should the scheduler terminate in seconds
# -1 indicates to run continuously (see also num_runs) # -1 indicates to run continuously (see also num_runs)
run_duration = -1 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 # after how much time (seconds) a new DAGs should be picked up from the filesystem
min_file_process_interval = 0 min_file_process_interval = 0
# How often (in seconds) to scan the DAGs directory for new files. Default to 5 minutes. # How often (in seconds) to scan the DAGs directory for new files. Default to 5 minutes.
dag_dir_list_interval = 300 dag_dir_list_interval = 300
# How often should stats be printed to the logs # How often should stats be printed to the logs. Setting to 0 will disable printing stats
print_stats_interval = 30 print_stats_interval = 30
# If the last scheduler heartbeat happened more than scheduler_health_check_threshold ago (in seconds), # If the last scheduler heartbeat happened more than scheduler_health_check_threshold
# scheduler is considered unhealthy. # ago (in seconds), scheduler is considered unhealthy.
# This is used by the health check in the "/health" endpoint # This is used by the health check in the "/health" endpoint
scheduler_health_check_threshold = 30 scheduler_health_check_threshold = 30
child_process_log_directory = {AIRFLOW_HOME}/logs/scheduler child_process_log_directory = {AIRFLOW_HOME}/logs/scheduler
# Local task jobs periodically heartbeat to the DB. If the job has # Local task jobs periodically heartbeat to the DB. If the job has
@ -524,12 +672,10 @@ catchup_by_default = True
# This changes the batch size of queries in the scheduling main loop. # 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 # If this is too high, SQL query performance may be impacted by one
# or more of the following: # or more of the following:
# - reversion to full table scan # - reversion to full table scan
# - complexity of query predicate # - complexity of query predicate
# - excessive locking # - excessive locking
#
# Additionally, you may hit the maximum allowable query length for your db. # Additionally, you may hit the maximum allowable query length for your db.
#
# Set this to 0 for no limit (not advised) # Set this to 0 for no limit (not advised)
max_tis_per_query = 512 max_tis_per_query = 512
@ -539,16 +685,24 @@ statsd_host = localhost
statsd_port = 8125 statsd_port = 8125
statsd_prefix = airflow 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. # The scheduler can run multiple threads in parallel to schedule dags.
# This defines how many threads will run. # This defines how many threads will run.
max_threads = 2 max_threads = 2
authenticate = False authenticate = False
# Turn off scheduler use of cron intervals by setting this to 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. # DAGs submitted manually in the web UI or with trigger_dag will still run.
use_job_schedule = True 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] [ldap]
# set this to ldaps://<your.ldap.server>:<port> # set this to ldaps://<your.ldap.server>:<port>
uri = uri =
@ -594,30 +748,34 @@ checkpoint = False
# the MesosExecutor framework to re-register after a failover. Mesos # the MesosExecutor framework to re-register after a failover. Mesos
# shuts down running tasks if the # shuts down running tasks if the
# MesosExecutor framework fails to re-register within this timeframe. # MesosExecutor framework fails to re-register within this timeframe.
# failover_timeout = 604800 # Example: failover_timeout = 604800
# failover_timeout =
# Enable framework authentication for mesos # Enable framework authentication for mesos
# See http://mesos.apache.org/documentation/latest/configuration/ # See http://mesos.apache.org/documentation/latest/configuration/
authenticate = False authenticate = False
# Mesos credentials, if authentication is enabled # Mesos credentials, if authentication is enabled
# default_principal = admin # Example: default_principal = admin
# default_secret = admin # default_principal =
# Example: default_secret = admin
# default_secret =
# Optional Docker Image to run on slave before running the command # Optional Docker Image to run on slave before running the command
# This image should be accessible from mesos slave i.e mesos slave # This image should be accessible from mesos slave i.e mesos slave
# should be able to pull this docker image before executing the command. # should be able to pull this docker image before executing the command.
# docker_image_slave = puckel/docker-airflow # Example: docker_image_slave = puckel/docker-airflow
# docker_image_slave =
[kerberos] [kerberos]
ccache = /tmp/airflow_krb5_ccache ccache = /tmp/airflow_krb5_ccache
# gets augmented with fqdn # gets augmented with fqdn
principal = airflow principal = airflow
reinit_frequency = 3600 reinit_frequency = 3600
kinit_path = kinit kinit_path = kinit
keytab = airflow.keytab keytab = airflow.keytab
[github_enterprise] [github_enterprise]
api_rev = v3 api_rev = v3
@ -628,51 +786,92 @@ hide_sensitive_variable_fields = True
[elasticsearch] [elasticsearch]
# Elasticsearch host # Elasticsearch host
host = host =
# Format of the log_id, which is used to query for a given tasks logs # 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}} log_id_template = {{dag_id}}-{{task_id}}-{{execution_date}}-{{try_number}}
# Used to mark the end of a log stream for a task # Used to mark the end of a log stream for a task
end_of_log_mark = end_of_log end_of_log_mark = end_of_log
# Qualified URL for an elasticsearch frontend (like Kibana) with a template argument for log_id # 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. # 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. # NOTE: The code will prefix the https:// automatically, don't include that here.
frontend = frontend =
# Write the task logs to the stdout of the worker, rather than the default files # Write the task logs to the stdout of the worker, rather than the default files
write_stdout = False write_stdout = False
# Instead of the default log formatter, write the log lines as JSON # Instead of the default log formatter, write the log lines as JSON
json_format = False json_format = False
# Log fields to also attach to the json output, if enabled # Log fields to also attach to the json output, if enabled
json_fields = asctime, filename, lineno, levelname, message json_fields = asctime, filename, lineno, levelname, message
[elasticsearch_configs] [elasticsearch_configs]
use_ssl = False use_ssl = False
verify_certs = True verify_certs = True
[kubernetes] [kubernetes]
# The repository, tag and imagePullPolicy of the Kubernetes Image for the Worker to Run # The repository, tag and imagePullPolicy of the Kubernetes Image for the Worker to Run
worker_container_repository = 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_tag =
worker_container_image_pull_policy = IfNotPresent worker_container_image_pull_policy = IfNotPresent
# If True (default), worker pods will be deleted upon termination # If True, all worker pods will be deleted upon termination
delete_worker_pods = True 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 # Number of Kubernetes Worker Pod creation calls per scheduler loop
worker_pods_creation_batch_size = 1 worker_pods_creation_batch_size = 1
# The Kubernetes namespace where airflow workers should be created. Defaults to `default` # The Kubernetes namespace where airflow workers should be created. Defaults to ``default``
namespace = default namespace = default
# The name of the Kubernetes ConfigMap Containing the Airflow Configuration (this file) # The name of the Kubernetes ConfigMap containing the Airflow Configuration (this file)
# Example: airflow_configmap = airflow-configmap
airflow_configmap = airflow_configmap =
# For docker image already contains DAGs, this is set to `True`, and the worker will search for dags in dags_folder, # 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 # otherwise use git sync or dags volume claim to mount DAGs
dags_in_image = False dags_in_image = False
# For either git sync or volume mounted DAGs, the worker will look in this subpath for DAGs # For either git sync or volume mounted DAGs, the worker will look in this subpath for DAGs
dags_volume_subpath = 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) # For DAGs mounted via a volume claim (mutually exclusive with git-sync and host path)
dags_volume_claim = dags_volume_claim =
@ -701,57 +900,80 @@ env_from_secret_ref =
# Git credentials and repository for DAGs mounted via Git (mutually exclusive with volume claim) # Git credentials and repository for DAGs mounted via Git (mutually exclusive with volume claim)
git_repo = git_repo =
git_branch = 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 = git_subpath =
# Use git_user and git_password for user authentication or git_ssh_key_secret_name and git_ssh_key_secret_key
# for SSH authentication # 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_user =
git_password = git_password =
git_sync_root = /git git_sync_root = /git
git_sync_dest = repo git_sync_dest = repo
# Mount point of the volume if git-sync is being used. # Mount point of the volume if git-sync is being used.
# i.e. {AIRFLOW_HOME}/dags # i.e. {AIRFLOW_HOME}/dags
git_dags_folder_mount_point = git_dags_folder_mount_point =
# To get Git-sync SSH authentication set up follow this format # To get Git-sync SSH authentication set up follow this format
# #
# airflow-secrets.yaml: # ``airflow-secrets.yaml``:
# ---
# apiVersion: v1
# kind: Secret
# metadata:
# name: airflow-secrets
# data:
# # key needs to be gitSshKey
# gitSshKey: <base64_encoded_data>
# ---
# airflow-configmap.yaml:
# apiVersion: v1
# kind: ConfigMap
# metadata:
# name: airflow-configmap
# data:
# known_hosts: |
# github.com ssh-rsa <...>
# airflow.cfg: |
# ...
# #
# git_ssh_key_secret_name = airflow-secrets # .. code-block:: yaml
# git_ssh_known_hosts_configmap_name = airflow-configmap #
# ---
# 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 = 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 = git_ssh_known_hosts_configmap_name =
# To give the git_sync init container credentials via a secret, create a secret # 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 # 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 # add ``git_sync_credentials_secret = <secret_name>`` to your airflow config under the
# ``kubernetes`` section
# #
# Secret Example: # Secret Example:
# apiVersion: v1 #
# kind: Secret # .. code-block:: yaml
# metadata: #
# name: git-credentials # ---
# data: # apiVersion: v1
# GIT_SYNC_USERNAME: <base64_encoded_git_username> # kind: Secret
# GIT_SYNC_PASSWORD: <base64_encoded_git_password> # metadata:
# name: git-credentials
# data:
# GIT_SYNC_USERNAME: <base64_encoded_git_username>
# GIT_SYNC_PASSWORD: <base64_encoded_git_password>
git_sync_credentials_secret = git_sync_credentials_secret =
# For cloning DAGs from git repositories into volumes: https://github.com/kubernetes/git-sync # For cloning DAGs from git repositories into volumes: https://github.com/kubernetes/git-sync
@ -763,7 +985,7 @@ git_sync_run_as_user = 65533
# The name of the Kubernetes service account to be associated with airflow workers, if any. # 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. # Service accounts are required for workers that require access to secrets or cluster resources.
# See the Kubernetes RBAC documentation for more: # See the Kubernetes RBAC documentation for more:
# https://kubernetes.io/docs/admin/authorization/rbac/ # https://kubernetes.io/docs/admin/authorization/rbac/
worker_service_account_name = worker_service_account_name =
# Any image pull secrets to be given to worker pods, If more than one secret is # Any image pull secrets to be given to worker pods, If more than one secret is
@ -780,36 +1002,33 @@ gcp_service_account_keys =
in_cluster = True in_cluster = True
# When running with in_cluster=False change the default cluster_context or config_file # 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. # options to Kubernetes client. Leave blank these to use default behaviour like ``kubectl`` has.
# cluster_context = # cluster_context =
# config_file = # config_file =
# Affinity configuration as a single line formatted JSON object. # Affinity configuration as a single line formatted JSON object.
# See the affinity model for top-level key names (e.g. `nodeAffinity`, etc.): # 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 # https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#affinity-v1-core
affinity = affinity =
# A list of toleration objects as a single line formatted JSON array # A list of toleration objects as a single line formatted JSON array
# See: # See:
# https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#toleration-v1-core # https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.12/#toleration-v1-core
tolerations = tolerations =
# **kwargs parameters to pass while calling a kubernetes client core_v1_api methods from Kubernetes Executor # Keyword parameters to pass while calling a kubernetes client core_v1_api methods
# provided as a single line formatted JSON dictionary string. # from Kubernetes Executor provided as a single line formatted JSON dictionary string.
# List of supported params in **kwargs are similar for all core_v1_apis, hence a single config variable for all apis # List of supported params are similar for all core_v1_apis, hence a single config
# variable for all apis.
# See: # See:
# https://raw.githubusercontent.com/kubernetes-client/python/master/kubernetes/client/apis/core_v1_api.py # 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 # Note that if no _request_timeout is specified, the kubernetes client will wait indefinitely
# api responses, which will cause the scheduler to hang. The timeout is specified as [connect timeout, read timeout] # for kubernetes api responses, which will cause the scheduler to hang.
kube_client_request_args = {{"_request_timeout" : [60,60] }} # The timeout is specified as [connect timeout, read timeout]
kube_client_request_args =
# Worker pods security context options
# See:
# https://kubernetes.io/docs/tasks/configure-pod-container/security-context/
# Specifies the uid to run the first process of the worker pods containers as # Specifies the uid to run the first process of the worker pods containers as
run_as_user = run_as_user = 50000
# Specifies a gid to associate with all containers in the worker pods # Specifies a gid to associate with all containers in the worker pods
# if using a git_ssh_key_secret_name use an fs_group # if using a git_ssh_key_secret_name use an fs_group
@ -817,44 +1036,49 @@ run_as_user =
fs_group = fs_group =
[kubernetes_node_selectors] [kubernetes_node_selectors]
# The Key-value pairs to be given to worker pods. # 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. # The worker pods will be scheduled to the nodes of the specified key-value pairs.
# Should be supplied in the format: key = value # Should be supplied in the format: key = value
[kubernetes_annotations] [kubernetes_annotations]
# The Key-value annotations pairs to be given to worker pods. # The Key-value annotations pairs to be given to worker pods.
# Should be supplied in the format: key = value # Should be supplied in the format: key = value
[kubernetes_environment_variables] [kubernetes_environment_variables]
# The scheduler sets the following environment variables into your workers. You may define as # 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. # 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 variables in this section are defined as follows
# <environment_variable_key> = <environment_variable_value> # ``<environment_variable_key> = <environment_variable_value>``
# #
# For example if you wanted to set an environment variable with value `prod` and key # For example if you wanted to set an environment variable with value `prod` and key
# `ENVIRONMENT` you would follow the following format: # ``ENVIRONMENT`` you would follow the following format:
# ENVIRONMENT = prod # ENVIRONMENT = prod
# #
# Additionally you may override worker airflow settings with the AIRFLOW__<SECTION>__<KEY> # Additionally you may override worker airflow settings with the ``AIRFLOW__<SECTION>__<KEY>``
# formatting as supported by airflow normally. # formatting as supported by airflow normally.
[kubernetes_secrets] [kubernetes_secrets]
# The scheduler mounts the following secrets into your workers as they are launched by the # 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 # 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. # defined secrets and mount them as secret environment variables in the launched workers.
# Secrets in this section are defined as follows # Secrets in this section are defined as follows
# <environment_variable_mount> = <kubernetes_secret_object>=<kubernetes_secret_key> # ``<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 # 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 # kubernetes secret object ``airflow-secret`` as the environment variable ``POSTGRES_PASSWORD`` into
# your workers you would follow the following format: # your workers you would follow the following format:
# POSTGRES_PASSWORD = airflow-secret=postgres_credentials # ``POSTGRES_PASSWORD = airflow-secret=postgres_credentials``
# #
# Additionally you may override worker airflow settings with the AIRFLOW__<SECTION>__<KEY> # Additionally you may override worker airflow settings with the ``AIRFLOW__<SECTION>__<KEY>``
# formatting as supported by airflow normally. # formatting as supported by airflow normally.
[kubernetes_labels] [kubernetes_labels]
# The Key-value pairs to be given to worker pods. # 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 # The worker pods will be given these static labels, as well as some additional dynamic labels
# to identify the task. # to identify the task.
# Should be supplied in the format: key = value # Should be supplied in the format: ``key = value``

5
airflow/docker-stack.yaml
View File

@ -1,4 +1,4 @@
version: "3.7" version: "3.8"
services: services:
@ -91,10 +91,11 @@ services:
volumes: volumes:
- airflow_data:/opt/airflow - airflow_data:/opt/airflow
deploy: deploy:
replicas: 0 replicas: 3
placement: placement:
constraints: constraints:
- node.role == worker - node.role == worker
max_replicas_per_node: 1
restart_policy: restart_policy:
condition: on-failure condition: on-failure
depends_on: depends_on: