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This gem will allow you to pull in all missing dependencies for a given Puppet module by running puppet-moddeps some_module. This is targeted specifically at private modules or modules cloned from GitHub that have a populated metadata.json file. It really shines as a tool to install all the dependencies of a module that you have just created or when you have just updated the list of dependencies in a module's metadata.json file.


puppet-moddeps has been extensively tested using the ruby bundled with the Puppet agent. The recommended way to use this gem is to first install puppet and then open an elevated command prompt and run this:

puppet resource package puppet-moddeps provider=puppet_gem ensure=latest

Alternatively, you can also install it using another instance of Ruby so long as it is at least version 2.5.7.


After installation, you can run puppet-moddeps some_module, replacing some_module with the name of any module installed in /etc/puppetlabs/code/environments/production/modules/. It will resolve the module's dependencies based on its metadata.json file and install each of them.

Using in a module's Vagrantfile

If your module includes a Vagrantfile you can utilize this gem as part of your provisioning step by adding this to it:

Vagrant.configure('2') do |config|
  config.vm.box = 'genebean/centos-7-puppet-latest' # Any box that includes Puppet will work here
  config.vm.provision 'shell', inline: <<-SCRIPT
    puppet resource file /etc/puppetlabs/code/environments/production/modules/#{MODULE_NAME} ensure=link target=/vagrant force=true
    /opt/puppetlabs/puppet/bin/gem install puppet-moddeps
    /opt/puppetlabs/puppet/bin/puppet-moddeps #{MODULE_NAME}


Pull requests are welcome!

  1. Fork it ( https://github.com/genebean/puppet-moddeps/fork )
  2. Create a feature branch
  3. Install bundler (gem install bundler)
  4. Install development gems (bundle install)
  5. Open a second terminal and use guard to make sure your code doesn't break anything (bundle exec guard -p)
  6. Commit your changes and associated tests (git commit -am 'Add some feature')
  7. Push to the branch (git push origin my-new-feature)
  8. Create a new pull request


Development and testing can also be done utilizing the included Vagrantfile. To do so, install Vagrant and VirtualBox, fork and clone the project, cd into the project, and run vagrant up followed by vagrant ssh. The setup process will take care of running bundle install for you. You can find the code symlinked into the vagrant user's home directory. Also, RVM is installed system-wide in the referenced Vagrant box.


Please try and write tests using Rspec's expect syntax for any code you add or change. Code must have tests before it will be merged.


This code is released under the Apache 2.0 license. A copy is in the LICENSE file in this repo.