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storm-platform (8) Versions 1.2.0

Install/Configure a Storm cluster

Berkshelf/Librarian
Policyfile
Knife
cookbook 'storm-platform', '= 1.2.0'
cookbook 'storm-platform', '= 1.2.0', :supermarket
knife cookbook site install storm-platform
knife cookbook site download storm-platform
README
Dependencies
Changelog
Quality 100%

Storm Cluster

Description

Apache Storm is a free and open source distributed realtime computation system. Storm makes it easy to reliably process unbounded streams of data, doing for realtime processing what Hadoop did for batch processing. Storm is simple, can be used with any programming language, and is a lot of fun to use!

Requirements

Cookbooks and gems

Declared in metadata.rb and in Gemfile.

Platforms

A systemd managed distribution: - RHEL Family 7, tested on Centos

Note: it should work fine on Debian 8 but the official docker image does not allow systemd to work easily, so it could not be tested.

Usage

Easy Setup

This cookbook creates the number of nodes specified by attribute node['storm-platform']['size'] (3 by default). The first node to be created will be setup with a Nimbus, a LogViewer and a UI. All other nodes will host a Supervisor and a LogViewer. To get this cookbook to setup the nth node to hold the Nimbus, Supervisor and LogViewer instead of the first one, change attribute node['storm-platform']['nimbus_id'].

By default, this cookbook installs openjdk from the official repositories (openjdk-headless 8 on centos 7) just before starting the service. You can change this behavior by setting node['storm-platform']['java'] to "", or choose your package by setting the package name in node['storm-platform']['java'][node[:platform]].

See roles for some examples and Cluster Search documentation for more information.

Test

This cookbook is fully tested through the installation of the full platform in docker hosts. This uses kitchen, docker and some monkey-patching.

If you run kitchen list, you will see 4 suites:

  • dnsdock-centos-7
  • zookeeper-centos-7
  • storm-nimbus-centos-7
  • storm-supervisor-centos-7

Each corresponds to a different node in the cluster.

For more information, see .kitchen.yml and test directory.

Local cluster

The cluster installed with kitchen converge is fully working and can thus be used as a local cluster for developments tests.

One can access the cluster by adding the dnsdock used in the cluster as main DNS resolver: add docker inspect --format '{{.NetworkSettings.IPAddress}}' dnsdock-storm in /etc/resolv.conf.

Attributes

Configuration is done by overriding default attributes. All configuration keys have a default defined in attributes/default.rb. Please read it to have a comprehensive view of what and how you can configure this cookbook behavior.

Recipes

default

Installs a three node cluster as follow :

  • Nimbus + LogViewer + UI
  • Supervisor + LogViewer
  • Supervisor + LogViewer

install

Extract a Storm tarball as per attributes.

create-user

Create system user for Storm binaries to run with.

config

Apply settings from attribute configuration to Storm configuration.

systemd-services

Create Systemd service files and set them up.

Resources/Providers

None.

Changelog

Available in CHANGELOG.

Contributing

Please read carefully CONTRIBUTING.md before making a merge request.

License and Author

Copyright:: 2015, Sam4Mobile

Licensed 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.

Dependent cookbooks

cluster-search >= 0.0.0
ark >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Changelog ========= 1.2.0 ----- Main: - Use storm 0.10.0 by default - Generate config in 2 steps: can use chef variables in erb style Fixes: - Fix dirty yaml of nested structure for storm.yaml - Fix topology launch: create a link from storm.home/logs to log_dir - Fix auto-restart and also monitor log4j2 files - Fix: apply STORM-945 in default log4j configuration Test: - Rationalize docker provision to limit images Packaging: - Reorganize README: + Move changelog from README to CHANGELOG + Move contribution guide to CONTRIBUTING.md + Reorder README, fix Gemfile missing - Add Apache 2 license file - Add missing chefignore 1.1.0 ----- - Strengthen tests reliability by sleeping after a Storm service is launch - Dependencies use supermarket, switch to zookeeper-platform 1.0.1 ----- - Cleaning, use java-1.8.0-openjdk-headless as default java package 1.0.0 ----- - Initial version with Centos 7 support

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