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zookeeper-platform (8) Versions 1.0.0

Installs/Configures a Zookeeper cluster using systemd

cookbook 'zookeeper-platform', '= 1.0.0', :supermarket
cookbook 'zookeeper-platform', '= 1.0.0'
knife supermarket install zookeeper-platform
knife supermarket download zookeeper-platform
Quality 100%

Zookeeper Platform


Apache ZooKeeper is an effort to develop and maintain an open-source server
which enables highly reliable distributed coordination. Learn more about
ZooKeeper on

This cookbook focuses on deploying a Zookeeper cluster via Chef on systemd
managed distributions.


Easy Setup

Create a role zookeeper-platform having recipe['zookeeper-platform'] in its
runlist and setting node['zookeeper-platform']['role'] to itself. Add this
role in the runlists of the nodes you want to use for your cluster. By default,
you need exactly 3 nodes.

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

By default, the config recipe use a search to find the members of a cluster.
The search is parametrized by a role name, defined in attribute
node['zookeeper-platform']['role'] which default to zookeeper-platform.
Node having this role in their expanded runlist will be considered in the same
zookeeper cluster. For safety reason, if search is used, you need to define
node['zookeeper-platform']['size'] (3 by default). The cookbook will return
(with success) until the search return size nodes. This ensures the
stability of the configuration during the initial startup of a cluster.

If you do not want to use search, it is possible to define
node['zookeeper-platform']['hosts'] with an array containing the hostnames of
the nodes of a zookeeper cluster. In this case, size attribute is ignored
and search deactivated.


This cookbook is fully tested through the installation of a working 3-nodes
cluster in docker hosts. This uses kitchen, docker and some monkey-patching.

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

Local cluster

You can also use this cookbook to install a zookeeper cluster locally. By
running kitchen converge, you will have a 3-nodes cluster available on your
workstation, each in its own docker host. You can then access it with: -server $(docker inspect \
  --format '{{.NetworkSettings.IPAddress}}' zookeeper-kitchen-01)



  • 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.



Run install, create-user, config and systemd-service recipes, in that


Install zookeeper with ark cookbook.


Create zookeeper system user and group.


Generate nodes list by search or by using hosts attribute. Merge it with base
configuration, then install myid and zoo.cfg files. Create work
directories: for data and logs.


Install zookeeper service for systemd, enable and start it. Install java
package by default.




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
ark >= 0.0.0

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

Foodcritic Metric

1.0.0 passed this metric