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confluent-platform (18) Versions 1.0.1

Install and configure Confluent platform (Kafka)

cookbook 'confluent-platform', '= 1.0.1', :supermarket
cookbook 'confluent-platform', '= 1.0.1'
knife supermarket install confluent-platform
knife supermarket download confluent-platform
Quality 100%

Confluent Platform


Apache Kafka, an open source technology created and maintained by the founders
of Confluent, acts as a real-time, fault tolerant, highly scalable messaging
system. It is widely adopted for use cases ranging from collecting user
activity data, logs, application metrics, stock ticker data, and device
instrumentation. Its key strength is its ability to make high volume data
available as a real-time stream for consumption in systems with very different
requirements—from batch systems like Hadoop, to real-time systems that require
low-latency access, to stream processing engines that transform the data
streams as they arrive.

This infrastructure lets you build around a single central nervous system
transmitting messages to all the different systems and applications within your
company. Learn more on

This cookbook focuses on deploying Confluent Platform elements on your clusters
via Chef on systemd managed distributions. At the moment, this includes
Kafka, Schema Registry and Kafka Rest.


Easy Setup

Default recipe does nothing. Each service Kafka, Schema Registry or
Kafka Rest will be installed by calling respectively recipe
[install-registry](recipes/install-registry.rb) and

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

The recommended way to use this cookbook is through the creation of a different
role per cluster, that is a role for Kafka, Schema Registry and
Kafka Rest. This enables the search by role feature, allowing a simple
service discovery.

See [roles](test/integration/roles) for some examples and Cluster Search
documentation for more information.


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 7 suites:
- dnsdock-centos-7
- zookeeper-centos-7
- kafka-01-centos-7
- kafka-02-centos-7
- kafka-03-centos-7
- registry-01-centos-7
- rest-01-centos-7

Each corresponds to a different node in the cluster.

For more information, see [.kitchen.yml](.kitchen.yml) and [test](test)

Local cluster

Of course, the cluster you install by running kitchen converge is fully
working so you can use it as a local cluster to test your development (like a
new Kafka client). Moreover, compared to a single node cluster usually
installed on workstations, you can detected partition/timing/fault-tolerance
issues you could not because of the simplicity of a single-node system.

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

Then to produce some messages: \
  --broker-list \
  --topic my_topic

And to read them: \
  --zookeeper \
  --topic my_topic \

Or you can use Rest API with and full
Schema Registry support, located at



  • Initial version with Centos 7 support



Declared in [metadata.rb](metadata.rb).


Declared in [Gemfile](Gemfile).


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.


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



Does nothing.


Configure confluent repository.


Install and fully configure a given service by running repository and its
4 dedicated recipes: package, user, config and service, in that order.


Install given service from confluent repository.


Create given service system user and group.


Generate service configuration. May search for dependencies (like Zookeeper
or other nodes of the same cluster) with the help of cluster-search cookbook.


Install systemd unit for the given service, then enable and start it.

Note: install java package (OpenJDK 8 on centos 7) by default, can be
disabled by setting node['confluent-platform']['java'] to "". A platform
specific configuration for the package to install is also possible.




You are more than welcome to submit issues and merge requests to this project.
Note however that this cookbook will probably not support another supervisor
than systemd.


Your commits must pass git log --check and messages should be formated
like this (based on this excellent

Summarize change in 50 characters or less

Provide more detail after the first line. Leave one blank line below the
summary and wrap all lines at 72 characters or less.

If the change fixes an issue, leave another blank line after the final
paragraph and indicate which issue is fixed in the specific format

Fix #42

Also do your best to factor commits appropriately, ie not too large with
unrelated things in the same commit, and not too small with the same small
change applied N times in N different commits. If there was some accidental
reformatting or whitespace changes during the course of your commits, please
rebase them away before submitting the PR.


All files must be 80 columns width formatted (actually 79), exception when it
is not possible.

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

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.

Dependent cookbooks

cluster-search >= 0.0.0
yum >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Foodcritic Metric

1.0.1 passed this metric