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airflow-stack-docker-compose.yml
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airflow-stack-docker-compose.yml
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# Adapted from: https://airflow.apache.org/docs/apache-airflow/stable/docker-compose.yaml
version: '3'
services:
redis:
image: redis:latest
ports:
- 6379:6379
logging:
driver: awslogs
options:
awslogs-group: ec2-airflow-stack
awslogs-region: ap-southeast-1
awslogs-stream-prefix: redis
postgres:
image: postgres:13.4-alpine
environment:
POSTGRES_HOST_AUTH_METHOD: trust
ports:
- 5432:5432
volumes:
- /home/ec2-user/efs/webscraper-data-stack-ecs/postgres/airflow-volume/entrypoint/:/docker-entrypoint-initdb.d/:ro
- /home/ec2-user/efs/webscraper-data-stack-ecs/out/airflow:/out
- /home/ec2-user/efs/webscraper-data-stack-ecs/postgres/airflow-volume/db:/var/lib/postgresql/data # persist data & not conflict
logging:
driver: awslogs
options:
awslogs-group: ec2-airflow-stack
awslogs-region: ap-southeast-1
awslogs-stream-prefix: postgres
links:
- redis:redis
selenium:
image: selenium/standalone-chrome
ports:
- 4444:4444
restart: always
logging:
driver: awslogs
options:
awslogs-group: ec2-airflow-stack
awslogs-region: ap-southeast-1
awslogs-stream-prefix: selenium
airflow-init:
image: ngonam24/airflow-stack
environment:
AIRFLOW__CORE__EXECUTOR: LocalExecutor
# AIRFLOW__CORE__EXECUTOR: CeleryExecutor
AIRFLOW__CORE__SQL_ALCHEMY_CONN: postgresql+psycopg2://airflow:airflow@postgres/airflow
AIRFLOW__CORE__FERNET_KEY: ''
AIRFLOW__CORE__DAGS_ARE_PAUSED_AT_CREATION: 'true'
AIRFLOW__CORE__LOAD_EXAMPLES: 'false'
AIRFLOW__API__AUTH_BACKEND: 'airflow.api.auth.backend.basic_auth'
_PIP_ADDITIONAL_REQUIREMENTS: ${_PIP_ADDITIONAL_REQUIREMENTS:-}
_AIRFLOW_DB_UPGRADE: 'true'
_AIRFLOW_WWW_USER_CREATE: 'true'
_AIRFLOW_WWW_USER_USERNAME: ${_AIRFLOW_WWW_USER_USERNAME:-airflow}
_AIRFLOW_WWW_USER_PASSWORD: ${_AIRFLOW_WWW_USER_PASSWORD:-airflow}
entrypoint: /bin/bash
# yamllint disable rule:line-length
command:
- -c
- |
function ver() {
printf "%04d%04d%04d%04d" $${1//./ }
}
airflow_version=$$(gosu airflow airflow version)
airflow_version_comparable=$$(ver $${airflow_version})
min_airflow_version=2.2.0
min_airflow_version_comparable=$$(ver $${min_airflow_version})
if (( airflow_version_comparable < min_airflow_version_comparable )); then
echo
echo -e "\033[1;31mERROR!!!: Too old Airflow version $${airflow_version}!\e[0m"
echo "The minimum Airflow version supported: $${min_airflow_version}. Only use this or higher!"
echo
exit 1
fi
if [[ -z "${AIRFLOW_UID}" ]]; then
echo
echo -e "\033[1;33mWARNING!!!: AIRFLOW_UID not set!\e[0m"
echo "If you are on Linux, you SHOULD follow the instructions below to set "
echo "AIRFLOW_UID environment variable, otherwise files will be owned by root."
echo "For other operating systems you can get rid of the warning with manually created .env file:"
echo " See: https://airflow.apache.org/docs/apache-airflow/stable/start/docker.html#setting-the-right-airflow-user"
echo
fi
one_meg=1048576
mem_available=$$(($$(getconf _PHYS_PAGES) * $$(getconf PAGE_SIZE) / one_meg))
cpus_available=$$(grep -cE 'cpu[0-9]+' /proc/stat)
disk_available=$$(df / | tail -1 | awk '{print $$4}')
warning_resources="false"
if (( mem_available < 4000 )) ; then
echo
echo -e "\033[1;33mWARNING!!!: Not enough memory available for Docker.\e[0m"
echo "At least 4GB of memory required. You have $$(numfmt --to iec $$((mem_available * one_meg)))"
echo
warning_resources="true"
fi
if (( cpus_available < 2 )); then
echo
echo -e "\033[1;33mWARNING!!!: Not enough CPUS available for Docker.\e[0m"
echo "At least 2 CPUs recommended. You have $${cpus_available}"
echo
warning_resources="true"
fi
if (( disk_available < one_meg * 10 )); then
echo
echo -e "\033[1;33mWARNING!!!: Not enough Disk space available for Docker.\e[0m"
echo "At least 10 GBs recommended. You have $$(numfmt --to iec $$((disk_available * 1024 )))"
echo
warning_resources="true"
fi
if [[ $${warning_resources} == "true" ]]; then
echo
echo -e "\033[1;33mWARNING!!!: You have not enough resources to run Airflow (see above)!\e[0m"
echo "Please follow the instructions to increase amount of resources available:"
echo " https://airflow.apache.org/docs/apache-airflow/stable/start/docker.html#before-you-begin"
echo
fi
mkdir -p /sources/logs /sources/dags /sources/plugins
chown -R "${AIRFLOW_UID}:0" /sources/{logs,dags,plugins}
chown -R "${AIRFLOW_UID}:0" /data
exec /entrypoint airflow version
# yamllint enable rule:line-length
user: "0:0"
volumes:
- /home/ec2-user/efs/webscraper-data-stack-ecs:/sources
- /home/ec2-user/efs/webscraper-data-stack-ecs/data:/data
logging:
driver: awslogs
options:
awslogs-group: ec2-airflow-stack
awslogs-region: ap-southeast-1
awslogs-stream-prefix: airflow-init
# hostname: airflow-init
ports:
- 8081:8081
links:
- redis:redis
- postgres:postgres
airflow-webserver:
image: ngonam24/airflow-stack
environment:
AIRFLOW__CORE__EXECUTOR: LocalExecutor
AIRFLOW__CORE__SQL_ALCHEMY_CONN: postgresql+psycopg2://airflow:airflow@postgres/airflow
AIRFLOW__CORE__FERNET_KEY: ''
AIRFLOW__CORE__DAGS_ARE_PAUSED_AT_CREATION: 'true'
AIRFLOW__CORE__LOAD_EXAMPLES: 'false'
AIRFLOW__API__AUTH_BACKEND: 'airflow.api.auth.backend.basic_auth'
_PIP_ADDITIONAL_REQUIREMENTS: ${_PIP_ADDITIONAL_REQUIREMENTS:-}
volumes:
- /home/ec2-user/efs/webscraper-data-stack-ecs/out:/opt/airflow/out
- /home/ec2-user/efs/webscraper-data-stack-ecs/dags:/opt/airflow/dags
- /home/ec2-user/efs/webscraper-data-stack-ecs/logs:/opt/airflow/logs
- /home/ec2-user/efs/webscraper-data-stack-ecs/plugins:/opt/airflow/plugins
- /home/ec2-user/efs/webscraper-data-stack-ecs/data:/data
user: "${AIRFLOW_UID:-50000}:0"
command: webserver
ports:
- 8080:8080
logging:
driver: awslogs
options:
awslogs-group: ec2-airflow-stack
awslogs-region: ap-southeast-1
awslogs-stream-prefix: airflow-webserver
# hostname: airflow-webserver
links:
- redis:redis
- postgres:postgres
- airflow-scheduler:airflow-scheduler
- selenium:selenium
airflow-scheduler:
image: ngonam24/airflow-stack
environment:
AIRFLOW__CORE__EXECUTOR: LocalExecutor
AIRFLOW__CORE__SQL_ALCHEMY_CONN: postgresql+psycopg2://airflow:airflow@postgres/airflow
AIRFLOW__CORE__FERNET_KEY: ''
AIRFLOW__CORE__DAGS_ARE_PAUSED_AT_CREATION: 'true'
AIRFLOW__CORE__LOAD_EXAMPLES: 'false'
AIRFLOW__API__AUTH_BACKEND: 'airflow.api.auth.backend.basic_auth'
_PIP_ADDITIONAL_REQUIREMENTS: ${_PIP_ADDITIONAL_REQUIREMENTS:-}
volumes:
- /home/ec2-user/efs/webscraper-data-stack-ecs:/sources
- /home/ec2-user/efs/webscraper-data-stack-ecs/out:/opt/airflow/out
- /home/ec2-user/efs/webscraper-data-stack-ecs/dags:/opt/airflow/dags
- /home/ec2-user/efs/webscraper-data-stack-ecs/logs:/opt/airflow/logs
- /home/ec2-user/efs/webscraper-data-stack-ecs/plugins:/opt/airflow/plugins
- /home/ec2-user/efs/webscraper-data-stack-ecs/data:/data
user: "${AIRFLOW_UID:-50000}:0"
command: scheduler
restart: always
logging:
driver: awslogs
options:
awslogs-group: ec2-airflow-stack
awslogs-region: ap-southeast-1
awslogs-stream-prefix: airflow-scheduler
hostname: airflow-scheduler
links:
- redis:redis
- postgres:postgres
- selenium:selenium