lib/puppet/feature/rack.rb


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require 'puppet/util/feature'

# See if we have rack available, an HTTP Application Stack
# Explicitly depend on rack library version >= 1.0.0
Puppet.features.add(:rack) do
    begin
        require 'rack'
    rescue LoadError => detail
        require 'rubygems'
        require 'rack'
    end

    if ! (defined?(::Rack) and defined?(::Rack.release))
        false
    else
        major_version = ::Rack.release().split('.')[0].to_i
        if major_version >= 1
            true
        else
            false
        end
    end
end