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dropwizard (7) Versions 2.0.0

Custom resource for managing dropwizard applications

cookbook 'dropwizard', '~> 2.0.0'
cookbook 'dropwizard', '~> 2.0.0', :supermarket
knife cookbook site install dropwizard
knife cookbook site download dropwizard
Quality 89%

dropwizard cookbook

Custom resource for managing dropwizard applications.

Build Status

Supported Platforms

This cookbook uses the pleaserun gem to auto-detect and generate init scripts. Theoretically any platform supported by the gem is supported by this cookbook.

Known Issues

  • CentOS 6 seems to have an issue where pleaserun generates upstart scripts but the chef service resource doesn't pick them up. To work around this issue, set init_platform to sysv on the dropwizard resource.


dropwizard resource


property required default description
name true Name of the application. Implied from resource name.
path false /opt/[name] Path for the application. Will default into /opt with the application name.
user true System user for running the application. This resource will manage this user.
group false System group for running the application.
jar_file false /opt/[name]/[name].jar Path to your dropwizard application's fat JAR file. It will look into a default path if this isn't set. The default path can be a symlink to your real JAR file, but will depend on your release process. If the JAR file isn't present, then this resource will not manage the service, only create the init scripts.
config_file false Path to the dropwizard configuration file. This is required for safe_restart to work, otherwise it will perform regular restarts.
java_bin false Output of which java or /usr/bin/java Specific java command for running the application. Should be set as #{node['java']['home']}/bin/java when using the java cookbook.
jvm_options false JVM options with which to start the dropwizard application. Although there are none set by default, it's highly recommended that you at least set the -Xms and -Xmx parameters here for defining the Java heap size.
arguments false server Arguments to pass after the jar file inclusion. See Running Your Service in the dropwizard docs for more info (don't forget to add server!). Note regarding previous version usage: you can omit the config file path from this property and add it to config_file instead.
log_directory false Defines a log directory to pass to the pleaserun gem. Note: not all platforms support this property, so check the pleaserun gem for your specific platform.
safe_restart false false Performs a "safe" restart if the configuration validates correctly. See the Safe Restart section below.
init_platform false Sets the init platform for the pleaserun gem. Leave this blank to have the gem auto-detect.

:install action

Creates application user, directories, init scripts, and service for the dropwizard application. Check out the Examples section of this README for more information.

:restart action

Restarts the dropwizard application service. This can run in normal or Safe Restart mode (see section below).

:disable action

Disables and stops the dropwizard application service, but makes no other changes.

:delete action

Removes the directories, init scripts and service for the dropwizard application. Will leave the user intact, though.


Check out this project's test/cookbooks/dw_test directory for an example recipe.

1) Most basic example:

dropwizard 'application_name' do
  user 'app_user'

This example will:
* Create the `app_user` system user with no login or home directory.
* Create the `/opt/application_name` directory, owned by `app_user`.
* Create the init scripts (platform dependent) for `application_name` service.
* Not start or enable the `application_name` service since the jar won't be present yet. Don't forget to notify `dropwizard[application_name]` if this jar ends up being managed by chef as well.

2) Including a dropwizard config and a few other options:

dropwizard node['your_app']['name'] do
  user 'app_user'
  java_bin "#{node['java']['home']}/bin/java"
  jvm_options '-Xms1g -Xmx1g'
  config_file node['your_app']['config']

template node['your_app']['config'] do
  source 'your_app-config.yml.erb'
  mode 0644
  owner node['your_app']['user']
  group node['your_app']['group']

  notifies :restart, "dropwizard[#{node['your_app']['name']}]", :delayed

**Note:** It's recommended to restart the service by notifying the `dropwizard` instead of directly declaring and using the `service` resource in your recipes. It will handle the `safe_restart` functionality, if configured.

Safe Restart

Dropwizard has a built-in check command for verifying compatibility between a JAR and configuration file. Setting safe_restart to true will have the dropwizard resource check for compatibility before restarting the service. This prevent restarts from occurring that would cause the service to not come back up.

The safe restart feature will also retry restarts on subsequent chef runs, by checking for the existence of a restart flag (which will get deleted when a restart is successful).

Dependent cookbooks

This cookbook has no specified dependencies.

Contingent cookbooks

There are no cookbooks that are contingent upon this one.

dropwizard Cookbook CHANGELOG

This file is used to list changes made in each version of the dropwizard cookbook.

2.0.0 (2017-12-05)

Big thanks to caramcc for her work on this release.

  • Integrated pleaserun gem for init script creation. The dropwizard resource should now theoretically support any platform that the gem supports.
  • Updated for compatibility with Chef 13.
  • Updated various gems.
  • Updated dropwizard resource to use Chef's 12.5 custom resource DSL.
  • Updated test-kitchen version and usage.
    • Using InSpec for test-kitchen verification.
    • Expanded platforms to ubuntu-14.04, ubuntu-16.04, centos-6, and centos-7.
  • Removed pleaserun cookbook dependency.
    • Created the dropwizard_pleaserun custom resource that wraps the gem. Improves upon the community cookbook by fixing bugs, adding in missing functionality, and maintains compatibility.
  • Added safe_restart feature.
  • Added log_directory and init_platform properties to dropwizard resource.

Breaking Changes

  • Removed properties: pid_path, init_script_source, and init_script_cookbook since they're now managed by pleaserun.

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2.0.0 failed this metric

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