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Path: /opt/chef/embedded/lib/ruby/gems/2.7.0/gems/inspec-core-4.22.1/lib/inspec/resources/

Viewing File: cpan.rb

require "inspec/resources/command"

# Usage:
# describe cpan('DBD::Pg') do
#   it { should be_installed }
# end
#

module Inspec::Resources
  class CpanPackage < Inspec.resource(1)
    name "cpan"
    supports platform: "unix"
    desc "Use the `cpan` InSpec audit resource to test Perl modules that are installed by system packages or the CPAN installer."
    example <<~EXAMPLE
      describe cpan('DBD::Pg') do
        it { should be_installed }
      end
    EXAMPLE

    def initialize(package_name, perl_lib_path = nil)
      @package_name = package_name
      @perl_lib_path = perl_lib_path
      @perl_cmd = "perl"

      # this resource is not supported on Windows
      return skip_resource "The `cpan` resource is not supported on your OS yet." if inspec.os.windows?
      return skip_resource "perl not found" unless inspec.command(@perl_cmd).exist?
    end

    def info
      return @info if defined?(@info)

      @info = {}
      @info[:type] = "cpan"
      @info[:name] = @package_name
      # set PERL5LIB environment variable if a custom lib path is given
      lib_path = @perl_lib_path.nil? ? "" : "PERL5LIB=#{@perl_lib_path} "
      cmd = inspec.command("#{lib_path + @perl_cmd} -le 'eval \"require $ARGV[0]\" and print $ARGV[0]->VERSION or exit 1' #{@package_name}")
      @info[:installed] = cmd.exit_status == 0
      return @info unless cmd.exit_status == 0

      @info[:version] = cmd.stdout.strip
      @info
    end

    def installed?
      info[:installed] == true
    end

    def version
      info[:version]
    end

    def to_s
      "Perl Module #{@package_name}"
    end
  end
end