文件操作 - swap_memory.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/facter/resolvers/macosx/swap_memory.rb

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# frozen_string_literal: true

module Facter
  module Resolvers
    module Macosx
      class SwapMemory < BaseResolver
        init_resolver

class << self
          private

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

def read_swap_memory(fact_name)
            output = Facter::Core::Execution.execute('sysctl -n vm.swapusage', logger: log)
            data = output.match(/^total = ([\d.]+)M  used = ([\d.]+)M  free = ([\d.]+)M  ($encrypted$)$/)

if data[1].to_f.positive?
              @fact_list[:total_bytes] = megabytes_to_bytes(data[1])
              @fact_list[:used_bytes] = megabytes_to_bytes(data[2])
              @fact_list[:available_bytes] = megabytes_to_bytes(data[3])
              @fact_list[:capacity] = compute_capacity(@fact_list[:used_bytes], @fact_list[:total_bytes])
              @fact_list[:encrypted] = data[4] == '(encrypted)'
            end

@fact_list[fact_name]
          end

def megabytes_to_bytes(quantity)
            (quantity.to_f * 1_048_576).to_i
          end

def compute_capacity(used, total)
            "#{format('%<value>.2f', value: (used / total.to_f * 100))}%"
          end
        end
      end
    end
  end
end

文件操作 - swap_memory.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/facter/resolvers/macosx/swap_memory.rb

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