Managing Modules with the Puppetfile
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You’ll manage your modules through the Puppetfile, in which you’ll specify detailed information about what modules r10k should install and where it should install them.
About the Puppetfile
The Puppetfile is a text file written in a Ruby-based DSL. This file specifies where r10k should install modules and what modules it should install, including which version of the module and where to fetch the modules from. This allows r10k to install modules into a given environment in your deployment, or it can install a specific set of Puppet modules for local development.
Note: Puppetfiles do NOT include dependency resolution. You must make sure that you have every module needed for all of your specified modules to run. In addition, note that symlinks are unsupported; when you install modules with r10k, symlinks are not installed.
After you edit the Puppetfile, you can perform Puppetfile operations from the command line through the
r10k puppetfile subcommand.
Edit your Puppetfile
You’ll need to create a text file called Puppetfile. (Note that the name of this file must begin with an uppercase “P”.) In this file, you’ll list the modules you want r10k to manage by using the
mod setting. Optionally, you can also change the directory in which r10k installs your modules.
Declare modules in your Puppetfile
mod setting specifies the module(s) that r10k should install. Specify the module long name in a string. You can specify the latest version, either with or without updating that version, or you can specify a particular version of a module to be maintained at that version.
Install the latest version of the module, and then keep the module at that version:
mod 'puppetlabs/apache' mod 'adrienthebo/thebestmoduleever'
Install a specific version, and then keep the module at that version:
mod 'puppetlabs/apache', '0.10.0'
Install the latest available version of a module, and then continue to update the module on future r10k runs:
mod 'puppetlabs/apache', :latest
Declare a Git repo as a module
You can also specify a Git repo that contains a Puppet module; r10k then copies that repo and uses it as a module. In this case, you can specify the module “version” by using the
ref: Determines the Git reference to check out. Can be any of a tag, commit, or branch.
tag: Directs r10k to clone the repo at a certain tag value.
commit: Directs r10k to clone the repo at a certain commit.
branch: Specifies a certain branch of the repo to clone.
Install puppetlabs/apache and keep it up to date with ‘master’:
mod 'apache', :git => 'https://github.com/puppetlabs/puppetlabs-apache'
Install puppetlabs/apache and track the ‘docs_experiment’ branch:
mod 'apache', :git => 'https://github.com/puppetlabs/puppetlabs-apache', :ref => 'docs_experiment'
Install puppetlabs/apache and pin to the ‘0.9.0’ tag:
mod 'apache', :git => 'https://github.com/puppetlabs/puppetlabs-apache', :tag => '0.9.0'
Install puppetlabs/apache and pin to the ‘8df51aa’ commit:
mod 'apache', :git => 'https://github.com/puppetlabs/puppetlabs-apache', :commit => '8df51aa'
Install puppetlabs/apache and track the ‘proxy_match’ branch:
mod 'apache', :git => 'https://github.com/puppetlabs/puppetlabs-apache', :branch => 'proxy_match'
Change the module installation directory
By default, r10k installs modules in a modules directory in the current directory. Optionally, you can point to another directory for module installation. You can specify either an absolute or a relative path in this setting.
mod 'puppetlabs/apache' #installs the apache module into './modules/apache'
Note: If you use this setting, it should always come before any modules listed in the Puppetfile.
To install modules to an absolute path:
moduledir '/a/development/environment/modules' mod 'puppetlabs/apache' #installs the apache module into '/a/development/environment/modules/apache
To install modules to a relative path:
moduledir 'thirdparty' mod 'puppetlabs/apache' # installs the apache module into './thirdparty/apache'
After you’ve specified your modules in the Puppetfile, you’re ready to run r10k or perform Puppetfile operations with the Puppetfile subcommands below.
Run Puppetfile Subcommands
After you’ve configured your Puppetfile, you’ll be able to manage your modules via the
r10k puppetfile subcommand. This subcommand must be run as the user with write access to that environment’s
modules directory (or the moduledir directory, if you specified a different modules directory in the Puppetfile). It interacts with the Puppetfile in the current working directory, so before running the subcommand, make sure you are in the directory of the Puppetfile you want to use. You can run the
r10k puppetfile subcommand with following actions:
Install or update all modules in a given Puppetfile into ./modules.
r10k puppetfile install
Verify the Puppetfile syntax.
r10k puppetfile check
If the moduledir directory specified in the Puppetfile contains modules that are not specified in the Puppetfile,
purge removes them.
r10k puppetfile purge
Once you’ve set up your Puppetfile, you’re ready to deploy your environments and modules.