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zookeeper (68) Versions 8.1.2

Installs/Configures zookeeper

Berkshelf/Librarian
Policyfile
Knife
cookbook 'zookeeper', '= 8.1.2'
cookbook 'zookeeper', '= 8.1.2', :supermarket
knife cookbook site install zookeeper
knife cookbook site download zookeeper
README
Dependencies
Changelog
Quality

zookeeper cookbook

Build Status Cookbook Version

Table of Contents

Apache ZooKeeper

Apache ZooKeeper is a coordination and discovery service maintained by the Apache Software Foundation.

This cookbook focuses on deploying ZooKeeper via Chef.

Usage

This cookbook is primarily a library cookbook. It implements a zookeeper and zookeeper_config resource to handle the installation and configuration of ZooKeeper. It ships with a default recipe for backwards compatibility pre-LWRP which will work fine, but is really just an example.

Testing is handled using Test Kitchen, with the expectation that you have it installed as part of the Chef DK.

Recipes

  • zookeeper::default : Installs and configures ZooKeeper. This does not start or manage the service.
  • zookeeper::install : Installs the ZooKeeper but does not configure it.
  • zookeeper::config_render : Configures ZooKeeper but does not install it.
  • zookeeper::service : Starts and manages the ZooKeeper service. Requires ZooKeeper to be installed/configured.

Resources

This cookbook ships with two resources, with future plans for one more covering service management.

zookeeper

The zookeeper resource is responsible for installing and (eventually) uninstalling Zookeeper from a node.

Actions: :install, :uninstall

Parameters:

  • version: Version of ZooKeeper to install (name attribute)
  • username: The user who will eventually run Zookeeper (default: 'zookeeper')
  • user_home: Path to the home folder for the Zookeeper user (default: /home/zookeeper)
  • mirror: The mirror to obtain ZooKeeper from (required)
  • checksum: Checksum for the ZooKeeper download file
  • install_dir: Which directory to install Zookeeper to (default: '/opt/zookeeper')

Example:

zookeeper '3.4.8' do
  username 'zookeeper'
  mirror   'http://www.poolsaboveground.com/apache/zookeeper'
  checksum 'f10a0b51f45c4f64c1fe69ef713abf9eb9571bc7385a82da892e83bb6c965e90'
  action   :install
end

zookeeper_config

This resource renders a ZooKeeper configuration file.

Actions: :render, :delete

Parameters:

  • conf_file (name attribute): Base name of the config file
  • conf_dir: Path to write the configuration file to (defaults to /opt/zookeeper/conf)
  • config: Hash of configuration parameters to add to the file
    • Defaults to: ruby { 'clientPort' => 2181, 'dataDir' => '/var/lib/zookeeper', 'tickTime' => 2000, 'initLimit' => 5, 'syncLimit' => 2 }
  • env_vars: Hash of startup environment variables (defaults to {})
  • log_dir: Log directory (defaults to /var/log/zookeeper)
  • user: The user to give ownership of the file to (default: zookeeper)

Example:

config_hash = {
  clientPort: 2181, 
  dataDir: '/mnt/zk', 
  tickTime: 2000,
  'autopurge.snapRetainCount' => 1,
  'autopurge.purgeInterval' => 1
  }
}

zookeeper_config 'zoo.cfg' do
  config config_hash
  user   'zookeeper'
  action :render
end

zookeeper_node

This resource can create nodes in a running instance of ZooKeeper.

Actions: :create, :create_if_missing, :delete

Parameters:

  • path: The ZooKeeper node path (default: The name of the resource)
  • connect_str: The ZooKeeper connection string (required)
  • data: The data to write to the node
  • auth_scheme: The authentication scheme (default: digest)
  • auth_cert: The authentication password or data
  • acl_digest: Hash of acl permissions per 'digest' id
  • acl_ip: Hash of acl permissions per 'ip'
  • acl_sasl: Hash of acl permissions per 'sasl' id (SASLAuthentication provider must be enabled)
  • acl_world: Acl permissions for anyone (default: Zk::PERM_ALL)

Example:

zookeeper_node '/data/myNode' do
  action       :create
  connect_str  "localhost:2181"
  data         "my data"
  auth_scheme  "digest"
  auth_cert    "user1:pwd1"
  acl_digest   "user1:a9l5yfb9zl8WCXjVmi5/XOC0Ep4=" => Zk::PERM_ALL
  acl_ip       "127.0.0.1" => Zk::PERM_READ | Zk::PERM_WRITE
  acl_sasl     "user@CHEF.IO" => Zk::PERM_ADMIN
  acl_world    Zk::PERM_NONE
end

Errata

  • Version 1.4.7 on the community site is in fact version 1.4.8.

Author and License

EverTrue devops@evertrue.com
Simple Finance ops@simple.com
Apache License, Version 2.0

CHANGELOG for zookeeper

This file is used to list changes made in each version of zookeeper.

v8.1.1

Fixes

  • Update checksum to match that of version 3.4.9 (fixes #194)
  • Actually test sending checksum in attributes to zookeeper resource when setting up test instance (Relates to #194)
  • In zookeeper resource, if property_is_set? new_resource.checksum always returns false. Use if new_resource.checksum instead.

v8.1.0

Changes

  • NOTICE Install zookeeper 3.4.9

Fixes

  • Make sure java_opts is actually rendered in the ZK env config

v8.0.1

Fixes

  • Correct missed change of user to username in SysV script template (#189 h/t @d601)

v8.0.0

Potentially Breaking

  • Loosen dependencies’ pins to all be >=, (#187 #188 h/t @Stromweld)

v7.1.1

Fixes

  • Fix order of operations re: link[/opt/zookeeper] (a sub-unit of the ark[zookeeper] resource) (#183, @Stromweld)

v7.1.0

Changes

  • Add SystemD support

v7.0.0

Potentially Breaking

  • Completely refactor existing LWRPs into Chef 12.5 Custom Resources
  • Refactor zookeeper::service into a Custom Resource (#86)
  • Drop apt cookbook in favor of built-in resources in Chef >= 12.11
  • Migrate all logic inside resources
  • Use ark to download & install ZooKeeper, rather than handling every resource directly
    • This is almost certainly a breaking change, as it moves where ZooKeeper is installed by default
    • Advantage: a symlink is created at /#{install_dir}/zookeeper, pointing to /#{install_dir}/zookeeper-#{version}, so handling paths to the current install is far easier
    • Caution: /#{install_dir}/zookeeper has been, until now, a container directory for any installations of ZooKeeper (e.g., /#{install_dir}/zookeeper/zookeeper-#{version})
  • Refactor recipes to wrap resources
    • An attempt at backwards compatibility has been made, using the previous attribute-driven style
    • These attributes & recipes will be dropped in future, as per a deprecation notice added to zookeeper::default

Changes

  • Add more tests in an attempt at being comprehensive of various ways this cookbook can be used

v6.0.0

Potentially Breaking

  • Drop separate environment-defaults file for Upstart/SysV in favor of using same env vars as Runit
    • Consistency is key
  • Use zkServer.sh for all service scripts
  • Drop pinning for build-essential
  • Rewire how env vars are used to correctly set the config & log locations
    • Default values added to set the config & log paths properly

Fixes

  • Set Upstart & SysV services to action: [:enable, :start] to match the Runit service

Changes

  • Pass values into Upstart & SysV init scripts, rather than directly using attributes
  • Drop any Minitest unit tests in favor of ChefSpec

v5.0.2

Fixes

  • Update to working Apache mirror (#170 #178)

v5.0.1

Fixes

  • Drop pinning of apt cookbook to avoid transitive depsolving pain

v5.0.0

Breaking

  • Use java-cookbook-installed version of Java by way of the $JAVA_HOME env var

Fixes

  • Ensure zookeeper-env.sh gets the correct values:
    • Properly set node[zookeeper][config_dir] with lazy interpolation of the node[zookeeper][version] attribute
    • Use lazy evaluation for exports_config
  • Export some env vars for subshelled SysV-run services

Other changes

  • Add proper testing suite using RuboCop, Foodcritic, ChefSpec, and Test Kitchen, automated w/ Travis CI
  • Pin dependency versions to avoid breaking changes being introduced from upstream

v4.1.0

  • Add ability to configure JMX port & local only settings via attributes (#172 @felka)

v4.0.0

  • Upgrade to ZooKeeper 3.4.8

v3.0.6

  • Add initLimit and syncLimit to ZooKeeper config (#171)

v3.0.5

  • Use node[zookeeper][user] attribute consistently
  • Fix user for runit-managed service style (#166 #167)

v3.0.4

  • Add missing user_home attribute to zookeeper resource

v3.0.3

  • Ensure zookeeper user has a home folder (#163, #164)

v3.0.2

  • Roll back to version 3.4.6 as per a deadlock issue found by @eherot on #156

v3.0.1

  • Run apt-get update at compile time
  • Use lazy evaluation for config_dir (#153, h/t to @Maniacal)
  • Update to testing using Chef 12.x
    • Works around the fact that Serverspec requires a version of net-ssh that needs Ruby >= 2.0

v3.0.0

  • Fix setting of CLASSPATH to have version dynamically set
  • Upgrade to ZooKeeper 3.4.7, due to the disappearance of ZK 3.4.6 at the chosen mirror
    • Upgrading ZK is potentially breaking

v2.13.1

  • Switch to using value_for_platform_family() to determine the SysV service script provider to use
    • Makes the cookbook less restrictive w/r/t using it on a RHEL-based OS

v2.13.0

  • Improve generally for better CentOS support (#146)
  • Create ZooKeeper log dir on installation (#147)
  • Add SysV support for CentOS systems not using Upstart/Runit/Exhibitor
  • Fix testing by dropping usage of Chef Zero
    • Not sure why Chef Zero won’t work, but it’d be nice to get it going again
    • Seems to complain about not being able to find something w/r/t the tester cookbook

v2.12.0

  • Add ability to configure znode ACL via node LWRP (#145 thanks @Annih)
  • Create zookeeper user as system user (#142 thanks @petere)
  • Update to prelease runit cookbook b/c of a bug in that cookbook
    • Soon as the next release of it is cut, we can revert e371719
  • Switch to chef-zero for the Test Kitchen provisioner

v2.11.0

  • Fix logic around creating zookeeper-env.sh (Fixes #141)
  • Add tests for default attributes & using node[zookeeper][env_vars]
  • Add JAVA_OPTS attribute (#144, thanks @andrewgoktepe)

v2.10.0

  • Move creation of zookeeper-env.sh to zookeeper::install, to allow cookbooks that only call that recipe (e.g., exhibitor)
  • Relax permissions on ZK install_dir (#140)

v2.9.0

  • Add creation & configuration of zookeeper-env.sh, an optional file to bring in custom EnvVars for Zookeeper to use
  • Fix typo in source for SysV init script (#139)

v2.8.0

  • Proper init support (contributed by @shaneramey)

v2.7.0

  • Add some tests
  • Fix up zookeeper_node
  • Call runit recipe before service declaration

v2.6.0

  • Run apt::default and update at compille time if on Debian (#127)

v2.5.1

  • Report zookeeper_config as updated only if zoo.cfg is updated (#110)
  • Fix zk_installed return value (#113)
  • Fix docs (#114, #115)
  • Fix for undefined new method error (#116)
  • Always install build-essential, regardless of usage of java cookbook

v2.5.0

  • Allow configurable data_dir parameter for Zookeeper data directory location (contributed by @eherot)

v2.4.3

  • Fix erroneous attribute reference

v2.4.2

  • Allow pre-installed Java (contributed by @solarce)

v2.4.1

  • Fixed recipe call (contributed by @solarce)

v2.4.0

  • Split out config rendering to separate recipe (contributed by @solarce)

v2.3.0

  • Split out installation to a separate recipe (contributed by @Gazzonyx)

v2.2.1

  • Set minimum build-essential version for RHEL support (contributed by @Gazzonyx)

v2.2.0

  • Upstart support (contributed by @solarce)

v2.1.1

  • Added a service recipe which can be run and activated using new service_style attribute.

v2.1.0

  • A basic configuration is rendered by default.
  • Clarify some points in the README about zookeeper_config

v2.0.0

  • Exhibitor cookbook factored out (contributed by @wolf31o2)
  • Zookeeper recipe rewritten as LWRP
  • Documentation updated slightly
  • Tested and verified and (hopefully) as backwards-compatible as possible
    • Being a full version bump, there are no backwards-compatibility promises
  • TODO
    • Better documentation
    • zookeeper_service resource
    • zookeeper_config resource
    • Better tests
    • Swap out "community" Java

v1.7.4

  • Force build-essential to run at compile time (contributed by @davidgiesberg)

v1.7.3

  • Bugfix for attribute access (fixes 1.7.2 bug)

v1.7.2

  • Move ZK download location calculation to recipe to eliminate ordering bug

v1.7.1

  • Test-kitchen support added
  • Patch installed to support CentOS platform

v1.7.0

  • Switched to Runit for process supervision (contributed by @gansbrest)
  • DEPRECATION WARNING: Upstart is no longer supported and has been removed
  • Re-add check-local-zk.py script but punt on utilizing it
  • This means we recommend staying on 1.6.1 or below if you use Upstart
  • In the meantime, we are working on a strategy to integrate this functionality into the Runit script, to support dependent services

v1.6.0

  • Attribute overrides to defaultconfig should now work (contributed by @trane)

v1.5.1

  • Add correct (Apache v2) license to metadta.rb (#61)

v1.5.0

  • Add logic to download existing exhibitor jar

v1.4.10

  • changes: Skip S3 credentials file if AWS credentials are not provided
  • Moved property files from inaccessible chef dir to exhibitor install dir.
  • Logged output to syslog.
  • Added option to set exhibitor/amazon log level

v1.4.9

  • Added: s3credentials template to assist with --configtype s3

v1.4.8

  • Added config hook and default for servers-spec setting
  • bugfix: cache permission denied error on exhibitor jar move
  • bugfix: ZooKeeper install tar cache EACCES error

v1.4.7

  • bugfix: zk_connect_str actually returned when chroot passed.
  • forward zk port in vagrant

v1.4.4

  • fix for backwards compatibility with ruby 1.8.7

v0.1.0:

  • Initial release of zookeeper

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zookeeper does not have a valid open source license.
Acceptable licenses include Apache 2.0, apachev2, MIT, mit, GNU Public License 2.0, gplv2, GNU Public License 3.0, gplv3.

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