分布式调度框架。
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README.md

What is DolphinScheduler?

DolphinScheduler is a distributed and easy-to-expand visual DAG workflow scheduling system, dedicated to solving the complex dependencies in data processing, making the scheduling system out of the box for data processing.

GitHub URL: https://github.com/apache/dolphinscheduler

Official Website: https://dolphinscheduler.apache.org

DolphinScheduler

EN doc CN doc

Prerequisites

How to use this docker image

$ docker-compose -f ./docker/docker-swarm/docker-compose.yml up -d

The default postgres user root, postgres password root and database dolphinscheduler are created in the docker-compose.yml.

The default zookeeper is created in the docker-compose.yml.

Access the Web UI: http://192.168.xx.xx:12345/dolphinscheduler

The default username is admin and the default password is dolphinscheduler123

Tip: For quick start in docker, you can create a tenant named ds and associate the user admin with the tenant ds

Or via Environment Variables DATABASE_HOST DATABASE_PORT DATABASE_DATABASE ZOOKEEPER_QUORUM

You can specify existing postgres and zookeeper service. Example:

$ docker run -d --name dolphinscheduler \
-e ZOOKEEPER_QUORUM="192.168.x.x:2181" \
-e DATABASE_HOST="192.168.x.x" -e DATABASE_PORT="5432" -e DATABASE_DATABASE="dolphinscheduler" \
-e DATABASE_USERNAME="test" -e DATABASE_PASSWORD="test" \
-p 12345:12345 \
apache/dolphinscheduler:latest all

Access the Web UI:http://192.168.xx.xx:12345/dolphinscheduler

Or start a standalone dolphinscheduler server

You can start a standalone dolphinscheduler server.

  • Create a local volume for resource storage, For example:
docker volume create dolphinscheduler-resource-local
  • Start a master server, For example:
$ docker run -d --name dolphinscheduler-master \
-e ZOOKEEPER_QUORUM="192.168.x.x:2181" \
-e DATABASE_HOST="192.168.x.x" -e DATABASE_PORT="5432" -e DATABASE_DATABASE="dolphinscheduler" \
-e DATABASE_USERNAME="test" -e DATABASE_PASSWORD="test" \
apache/dolphinscheduler:latest master-server
  • Start a worker server (including logger server), For example:
$ docker run -d --name dolphinscheduler-worker \
-e ZOOKEEPER_QUORUM="192.168.x.x:2181" \
-e DATABASE_HOST="192.168.x.x" -e DATABASE_PORT="5432" -e DATABASE_DATABASE="dolphinscheduler" \
-e DATABASE_USERNAME="test" -e DATABASE_PASSWORD="test" \
-e ALERT_LISTEN_HOST="dolphinscheduler-alert" \
-v dolphinscheduler-resource-local:/dolphinscheduler \
apache/dolphinscheduler:latest worker-server
  • Start a api server, For example:
$ docker run -d --name dolphinscheduler-api \
-e ZOOKEEPER_QUORUM="192.168.x.x:2181" \
-e DATABASE_HOST="192.168.x.x" -e DATABASE_PORT="5432" -e DATABASE_DATABASE="dolphinscheduler" \
-e DATABASE_USERNAME="test" -e DATABASE_PASSWORD="test" \
-v dolphinscheduler-resource-local:/dolphinscheduler \
-p 12345:12345 \
apache/dolphinscheduler:latest api-server
  • Start a alert server, For example:
$ docker run -d --name dolphinscheduler-alert \
-e DATABASE_HOST="192.168.x.x" -e DATABASE_PORT="5432" -e DATABASE_DATABASE="dolphinscheduler" \
-e DATABASE_USERNAME="test" -e DATABASE_PASSWORD="test" \
apache/dolphinscheduler:latest alert-server

Note: You must be specify DATABASE_HOST DATABASE_PORT DATABASE_DATABASE DATABASE_USERNAME DATABASE_PASSWORD ZOOKEEPER_QUORUM when start a standalone dolphinscheduler server.

How to build a docker image

You can build a docker image in A Unix-like operating system, You can also build it in Windows operating system.

In Unix-Like, Example:

$ cd path/dolphinscheduler
$ sh ./docker/build/hooks/build

In Windows, Example:

C:\dolphinscheduler>.\docker\build\hooks\build.bat

Please read ./docker/build/hooks/build ./docker/build/hooks/build.bat script files if you don't understand

Environment Variables

The DolphinScheduler Docker container is configured through environment variables, and the default value will be used if an environment variable is not set.

DATABASE_TYPE

This environment variable sets the type for database. The default value is postgresql.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_DRIVER

This environment variable sets the type for database. The default value is org.postgresql.Driver.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_HOST

This environment variable sets the host for database. The default value is 127.0.0.1.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_PORT

This environment variable sets the port for database. The default value is 5432.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_USERNAME

This environment variable sets the username for database. The default value is root.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_PASSWORD

This environment variable sets the password for database. The default value is root.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_DATABASE

This environment variable sets the database for database. The default value is dolphinscheduler.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

DATABASE_PARAMS

This environment variable sets the database for database. The default value is characterEncoding=utf8.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server, api-server, alert-server.

HADOOP_HOME

This environment variable sets HADOOP_HOME. The default value is /opt/soft/hadoop.

HADOOP_CONF_DIR

This environment variable sets HADOOP_CONF_DIR. The default value is /opt/soft/hadoop/etc/hadoop.

SPARK_HOME1

This environment variable sets SPARK_HOME1. The default value is /opt/soft/spark1.

SPARK_HOME2

This environment variable sets SPARK_HOME2. The default value is /opt/soft/spark2.

PYTHON_HOME

This environment variable sets PYTHON_HOME. The default value is /usr.

JAVA_HOME

This environment variable sets JAVA_HOME. The default value is /usr/lib/jvm/java-1.8-openjdk.

HIVE_HOME

This environment variable sets HIVE_HOME. The default value is /opt/soft/hive.

FLINK_HOME

This environment variable sets FLINK_HOME. The default value is /opt/soft/flink.

DATAX_HOME

This environment variable sets DATAX_HOME. The default value is /opt/soft/datax.

DOLPHINSCHEDULER_DATA_BASEDIR_PATH

User data directory path, self configuration, please make sure the directory exists and have read write permissions. The default value is /tmp/dolphinscheduler

DOLPHINSCHEDULER_OPTS

This environment variable sets java options. The default value is empty.

RESOURCE_STORAGE_TYPE

This environment variable sets resource storage type for dolphinscheduler like HDFS, S3, NONE. The default value is HDFS.

RESOURCE_UPLOAD_PATH

This environment variable sets resource store path on HDFS/S3 for resource storage. The default value is /dolphinscheduler.

FS_DEFAULT_FS

This environment variable sets fs.defaultFS for resource storage like file:///, hdfs://mycluster:8020 or s3a://dolphinscheduler. The default value is file:///.

FS_S3A_ENDPOINT

This environment variable sets s3 endpoint for resource storage. The default value is s3.xxx.amazonaws.com.

FS_S3A_ACCESS_KEY

This environment variable sets s3 access key for resource storage. The default value is xxxxxxx.

FS_S3A_SECRET_KEY

This environment variable sets s3 secret key for resource storage. The default value is xxxxxxx.

ZOOKEEPER_QUORUM

This environment variable sets zookeeper quorum for master-server and worker-serverr. The default value is 127.0.0.1:2181.

Note: You must be specify it when start a standalone dolphinscheduler server. Like master-server, worker-server.

ZOOKEEPER_ROOT

This environment variable sets zookeeper root directory for dolphinscheduler. The default value is /dolphinscheduler.

MASTER_EXEC_THREADS

This environment variable sets exec thread num for master-server. The default value is 100.

MASTER_EXEC_TASK_NUM

This environment variable sets exec task num for master-server. The default value is 20.

MASTER_HEARTBEAT_INTERVAL

This environment variable sets heartbeat interval for master-server. The default value is 10.

MASTER_TASK_COMMIT_RETRYTIMES

This environment variable sets task commit retry times for master-server. The default value is 5.

MASTER_TASK_COMMIT_INTERVAL

This environment variable sets task commit interval for master-server. The default value is 1000.

MASTER_MAX_CPULOAD_AVG

This environment variable sets max cpu load avg for master-server. The default value is 100.

MASTER_RESERVED_MEMORY

This environment variable sets reserved memory for master-server. The default value is 0.1.

MASTER_LISTEN_PORT

This environment variable sets port for master-server. The default value is 5678.

WORKER_EXEC_THREADS

This environment variable sets exec thread num for worker-server. The default value is 100.

WORKER_HEARTBEAT_INTERVAL

This environment variable sets heartbeat interval for worker-server. The default value is 10.

WORKER_MAX_CPULOAD_AVG

This environment variable sets max cpu load avg for worker-server. The default value is 100.

WORKER_RESERVED_MEMORY

This environment variable sets reserved memory for worker-server. The default value is 0.1.

WORKER_LISTEN_PORT

This environment variable sets port for worker-server. The default value is 1234.

WORKER_GROUPS

This environment variable sets groups for worker-server. The default value is default.

WORKER_HOST_WEIGHT

This environment variable sets weight for worker-server. The default value is 100.

ALERT_LISTEN_HOST

This environment variable sets the host of alert-server for worker-server. The default value is 127.0.0.1.

ALERT_PLUGIN_DIR

This environment variable sets the alert plugin directory for alert-server. The default value is lib/plugin/alert.

Initialization scripts

If you would like to do additional initialization in an image derived from this one, add one or more environment variable under /root/start-init-conf.sh, and modify template files in /opt/dolphinscheduler/conf/*.tpl.

For example, to add an environment variable API_SERVER_PORT in /root/start-init-conf.sh:

export API_SERVER_PORT=5555

and to modify /opt/dolphinscheduler/conf/application-api.properties.tpl template file, add server port:

server.port=${API_SERVER_PORT}

/root/start-init-conf.sh will dynamically generate config file:

echo "generate dolphinscheduler config"
ls ${DOLPHINSCHEDULER_HOME}/conf/ | grep ".tpl" | while read line; do
eval "cat << EOF
$(cat ${DOLPHINSCHEDULER_HOME}/conf/${line})
EOF
" > ${DOLPHINSCHEDULER_HOME}/conf/${line%.*}
done

FAQ

How to stop dolphinscheduler by docker-compose?

Stop containers:

docker-compose stop

Stop containers and remove containers, networks and volumes:

docker-compose down -v

How to deploy dolphinscheduler on Docker Swarm?

Assuming that the Docker Swarm cluster has been created (If there is no Docker Swarm cluster, please refer to create-swarm)

Start a stack named dolphinscheduler

docker stack deploy -c docker-stack.yml dolphinscheduler

Stop and remove the stack named dolphinscheduler

docker stack rm dolphinscheduler

How to use MySQL as the DolphinScheduler's database instead of PostgreSQL?

Because of the commercial license, we cannot directly use the driver and client of MySQL.

If you want to use MySQL, you can build a new image based on the apache/dolphinscheduler image as follows.

  1. Download the MySQL driver mysql-connector-java-5.1.49.jar (require >=5.1.47)

  2. Create a new Dockerfile to add MySQL driver and client:

FROM apache/dolphinscheduler:latest
COPY mysql-connector-java-5.1.49.jar /opt/dolphinscheduler/lib
RUN apk add --update --no-cache mysql-client
  1. Build a new docker image including MySQL driver and client:
docker build -t apache/dolphinscheduler:mysql .
  1. Modify all image fields to apache/dolphinscheduler:mysql in docker-compose.yml

If you want to deploy dolphinscheduler on Docker Swarm, you need modify docker-stack.yml

  1. Comment the dolphinscheduler-postgresql block in docker-compose.yml

  2. Add dolphinscheduler-mysql service in docker-compose.yml (Optional, you can directly use a external MySQL database)

  3. Modify all DATABASE environments in docker-compose.yml

DATABASE_TYPE: mysql
DATABASE_DRIVER: com.mysql.jdbc.Driver
DATABASE_HOST: dolphinscheduler-mysql
DATABASE_PORT: 3306
DATABASE_USERNAME: root
DATABASE_PASSWORD: root
DATABASE_DATABASE: dolphinscheduler
DATABASE_PARAMS: useUnicode=true&characterEncoding=UTF-8

If you have added dolphinscheduler-mysql service in docker-compose.yml, just set DATABASE_HOST to dolphinscheduler-mysql

  1. Run a dolphinscheduler (See How to use this docker image)

How to support MySQL datasource in Datasource manage?

Because of the commercial license, we cannot directly use the driver of MySQL.

If you want to add MySQL datasource, you can build a new image based on the apache/dolphinscheduler image as follows.

  1. Download the MySQL driver mysql-connector-java-5.1.49.jar (require >=5.1.47)

  2. Create a new Dockerfile to add MySQL driver:

FROM apache/dolphinscheduler:latest
COPY mysql-connector-java-5.1.49.jar /opt/dolphinscheduler/lib
  1. Build a new docker image including MySQL driver:
docker build -t apache/dolphinscheduler:mysql-driver .
  1. Modify all image fields to apache/dolphinscheduler:mysql-driver in docker-compose.yml

If you want to deploy dolphinscheduler on Docker Swarm, you need modify docker-stack.yml

  1. Run a dolphinscheduler (See How to use this docker image)

  2. Add a MySQL datasource in Datasource manage

How to support Oracle datasource in Datasource manage?

Because of the commercial license, we cannot directly use the driver of Oracle.

If you want to add Oracle datasource, you can build a new image based on the apache/dolphinscheduler image as follows.

  1. Download the Oracle driver ojdbc8.jar (such as ojdbc8-19.9.0.0.jar)

  2. Create a new Dockerfile to add Oracle driver:

FROM apache/dolphinscheduler:latest
COPY ojdbc8-19.9.0.0.jar /opt/dolphinscheduler/lib
  1. Build a new docker image including Oracle driver:
docker build -t apache/dolphinscheduler:oracle-driver .
  1. Modify all image fields to apache/dolphinscheduler:oracle-driver in docker-compose.yml

If you want to deploy dolphinscheduler on Docker Swarm, you need modify docker-stack.yml

  1. Run a dolphinscheduler (See How to use this docker image)

  2. Add a Oracle datasource in Datasource manage

For more information please refer to the dolphinscheduler documentation.