chef

https://github.com/opscode/chef

Ruby

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Chef::DSL::PlatformIntrospection#platform_family?

Given a list of platform families, returns true if the current recipe is being run on a
node within that platform family, false otherwise.

=== Parameters
args:: A list of platform families. Each platform family can be in string or symbol format.

=== Returns
true:: if the current node platform family is in the list.
false:: if the current node platform family is not in the list.

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git

cd chef

open lib/chef/dsl/platform_introspection.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--DSL--PlatformIntrospection-platform_family--for-pr

# Commit to git

git add lib/chef/dsl/platform_introspection.rbgit commit -m "better docs for Chef::DSL::PlatformIntrospection#platform_family?"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Chef--DSL--PlatformIntrospection-platform_family--for-pr

hub pull-request

# Celebrate!