Contents

# frozen_string_literal: true

module Facter
  module Resolvers
    class RedHatRelease < BaseResolver
      # :name
      # :version
      # :codename
      # :description
      # :distributor_id

      init_resolver

      class << self
        private

        def post_resolve(fact_name, _options)
          @fact_list.fetch(fact_name) { read_redhat_release(fact_name) }
        end

        def read_redhat_release(fact_name)
          output = Facter::Util::FileHelper.safe_read('/etc/redhat-release', nil)
          return @fact_list[fact_name] = nil if output.nil?

          build_fact_list(output)

          @fact_list[fact_name]
        end

        def build_fact_list(output)
          @fact_list[:description] = output.strip
          output_strings = output.split('release')
          output_strings.map!(&:strip)

          @fact_list[:codename] = codename(output)
          @fact_list[:distributor_id] = distributor_id(output_strings[0])
          @fact_list[:name] = release_name(output_strings[0])
          @fact_list[:version] = version(output_strings)
          @fact_list[:identifier] = identifier(@fact_list[:name])
        end

        def release_name(value)
          value.split.reject { |el| el.casecmp('linux').zero? }[0..1].join
        end

        def identifier(value)
          identifier = value.downcase
          identifier = 'rhel' if @fact_list[:name].casecmp('Red Hat Enterprise Linux')

          identifier
        end

        def codename(value)
          matched_data = value.match(/.*release.*(\(.*\)).*/)
          return unless matched_data

          codename = (matched_data[1] || '').gsub(/\(|\)/, '')
          codename.empty? ? nil : codename
        end

        def version(value)
          value[1].split.first
        end

        def distributor_id(value)
          value.split.reject { |el| el.casecmp('linux').zero? }.join
        end
      end
    end
  end
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
facter-4.2.5	lib/facter/resolvers/redhat_release.rb
facter-4.2.4	lib/facter/resolvers/redhat_release.rb
facter-4.2.3	lib/facter/resolvers/redhat_release.rb
facter-4.2.2	lib/facter/resolvers/redhat_release.rb
facter-4.2.1	lib/facter/resolvers/redhat_release.rb
facter-4.2.0	lib/facter/resolvers/redhat_release.rb
facter-4.1.1	lib/facter/resolvers/redhat_release.rb
facter-4.1.0	lib/facter/resolvers/redhat_release.rb
facter-4.0.52	lib/facter/resolvers/redhat_release.rb