zeppelin #12

Supports: xenial

Description

Apache Zeppelin is a web-based notebook that enables interactive data analytics. You can make beautiful data-driven, interactive, and collaborative documents with SQL, Scala and more.

Overview

Apache Zeppelin is a web-based notebook that enables interactive data analytics. It allows for beautiful data-driven, interactive, and collaborative documents with SQL, Scala and more.

As a Multi-purpose Notebook, Apache Zeppelin is the place for interactive:

  • Data Ingestion
  • Data Discovery
  • Data Analytics
  • Data Visualization & Collaboration

This charm deploys the Zeppelin component of the Apache Bigtop platform.

Deploying

A working Juju installation is assumed to be present. If Juju is not yet set up, please follow the getting-started instructions prior to deploying this charm.

This charm is intended to be deployed via one of the apache bigtop bundles. For example:

juju deploy hadoop-processing

Note: The above assumes Juju 2.0 or greater. If using an earlier version of Juju, use juju-quickstart with the following syntax: juju quickstart hadoop-processing.

This will deploy an Apache Bigtop Hadoop cluster. More information about this deployment can be found in the bundle readme.

Now add Zeppelin and relate it to the cluster via the hadoop-plugin:

juju deploy zeppelin
juju add-relation zeppelin plugin

To access the web console, find the PUBLIC-ADDRESS of the zeppelin application and expose it:

juju status zeppelin
juju expose zeppelin

The web interface will be available at the following URL:

http://ZEPPELIN_PUBLIC_IP:9080

Network-Restricted Environments

Charms can be deployed in environments with limited network access. To deploy in this environment, configure a Juju model with appropriate proxy and/or mirror options. See Configuring Models for more information.

Verifying

Status

Apache Bigtop charms provide extended status reporting to indicate when they are ready:

juju status

This is particularly useful when combined with watch to track the on-going progress of the deployment:

watch -n 2 juju status

The message column will provide information about a given unit's state. This charm is ready for use once the status message indicates that it is ready.

Smoke Test

This charm provides a smoke-test action that can be used to verify the application is functioning as expected. Run the action as follows:

juju run-action zeppelin/0 smoke-test

Note: The above assumes Juju 2.0 or greater. If using an earlier version of Juju, the syntax is juju action do zeppelin/0 smoke-test.

Watch the progress of the smoke test actions with:

watch -n 2 juju show-action-status

Note: The above assumes Juju 2.0 or greater. If using an earlier version of Juju, the syntax is juju action status.

Eventually, the action should settle to status: completed. If it reports status: failed, the application is not working as expected. Get more information about a specific smoke test with:

juju show-action-output <action-id>

Note: The above assumes Juju 2.0 or greater. If using an earlier version of Juju, the syntax is juju action fetch <action-id>.

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