Skip to content

dennishuo/dataproc-initialization-actions

 
 

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Repository files navigation

Cloud Dataproc Initialization Actions

When creating a Google Cloud Dataproc cluster, you can specify initialization actions in executables and/or scripts that Cloud Dataproc will run on all nodes in your Cloud Dataproc cluster immediately after the cluster is set up. Initialization actions often set up job dependencies, such as installing Python packages, so that jobs can be submitted to the cluster without having to install dependencies when the jobs are run.

How initialization actions are used

Initialization actions are stored in a Google Cloud Storage bucket and can be passed as a parameter to the gcloud command or the clusters.create API when creating a Cloud Dataproc cluster. For example, to specify an initialization action when creating a cluster with the gcloud command, you can run:

gcloud dataproc clusters create <CLUSTER_NAME> \
  [--initialization-actions [GCS_URI,...]] \
  [--initialization-action-timeout TIMEOUT]

Before creating clusters, you need to copy initialization actions to your own GCS bucket. For example:

MY_BUCKET=<gcs-bucket>
gsutil cp presto/presto.sh gs://$MY_BUCKET/
gcloud dataproc clusters create my-presto-cluster \
  --initialization-actions gs://$MY_BUCKET/presto.sh

You can decide when to sync your copy of the initialization action with any changes to the initialization action that occur in the GitHub repository. This is also useful if you want to modify initialization actions to fit your needs.

Why these samples are provided

These samples are provided to show how various packages and components can be installed on Cloud Dataproc clusters. You should understand how these samples work before running them on your clusters. The initialization actions provided in this repository are provided without support and you use them at your own risk.

Actions provided

This repository presently offers the following actions for use with Cloud Dataproc clusters.

Initialization actions on single node clusters

Single Node clusters have dataproc-role set to Master and dataproc-worker-count set to 0. Most of the initialization actions in this repository should work out of the box, as they run only on the master. Examples include notebooks (such as Apache Zeppelin) and libraries (such as Apache Tez). Actions that run on all nodes of the cluster (such as cloud-sql-proxy) similarly work out of the box.

Some initialization actions are known not to work on Single Node clusters. All of these expect to have daemons on multiple nodes.

  • Apache Drill
  • Apache Flink
  • Apache Kafka
  • Apache Zookeeper

Feel free to send pull requests or file issues if you have a good use case for running one of these actions on a Single Node cluster.

Using cluster metadata

Cloud Dataproc sets special metadata values for the instances that run in your cluster. You can use these values to customize the behavior of initialization actions, for example:

ROLE=$(/usr/share/google/get_metadata_value attributes/dataproc-role)
if [[ "${ROLE}" == 'Master' ]]; then
  ... master specific actions ...
else
  ... worker specific actions ...
fi

You can also use the ‑‑metadata flag of the gcloud dataproc clusters create command to provide your own custom metadata:

gcloud dataproc clusters create cluster-name \
  --initialization-actions ... \
  --metadata name1=value1,name2=value2... \
  ... other flags ...

For more information

For more information, review the Cloud Dataproc documentation. You can also pose questions to the Stack Overflow community with the tag google-cloud-dataproc. See our other Google Cloud Platform github repos for sample applications and scaffolding for other frameworks and use cases.

Mailing list

Subscribe to [email protected] for announcements and discussion.

Contributing changes

Licensing

About

Run in all nodes of your cluster before the cluster starts - let's you customize your cluster

Resources

License

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published

Languages

  • Shell 71.1%
  • Python 28.8%
  • Dockerfile 0.1%