Contents

require_relative "../wrapper"
require_relative "../logical_volume_segment"

module LVM
  module Wrapper
    # segment output is very different in that its multi line, easier to treat as own command
    class LVSSEG
      include Reporting

      attr_reader :attributes
      attr_reader :command

      def initialize(options)
        @attributes = Attributes.load(options[:version], ATTRIBUTES_FILE)
        @command = "#{options[:command]} #{Reporting.build_command(attributes, BASE_COMMAND, options[:additional_arguments])}"
      end

      BASE_COMMAND = "lvs #{Reporting::BASE_ARGUMENTS}".freeze
      ATTRIBUTES_FILE = "lvsseg.yaml".freeze

      def list
        output = External.cmd(@command)
        data = parse(output)
        if block_given?
          data.each { |obj| yield obj }
        else
          data
        end
      end

      private

      # Parses the output of self.command
      def parse(output)
        volumes = []

        output.split("\n").each do |line|
          args = process_line(attributes, line)

          args[:finish] = args[:start] + args[:size]

          # finally build our object
          volume = LogicalVolumeSegment.new(args)

          if block_given?
            yield volume
          else
            volumes << volume
          end
        end

        volumes
      end # parse
    end # class LVSSEG
  end # module Wrapper
end # module LVM

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
chef-ruby-lvm-0.4.3	lib/lvm/wrapper/lvsseg.rb
chef-ruby-lvm-0.4.2	lib/lvm/wrapper/lvsseg.rb
chef-ruby-lvm-0.4.1	lib/lvm/wrapper/lvsseg.rb