class Facter::Resolvers::Macosx::SwapMemory

Private Class Methods

compute_capacity(used, total) click to toggle source
# File lib/facter/resolvers/macosx/swap_memory.rb, line 35
def compute_capacity(used, total)
  "#{format('%<value>.2f', value: (used / total.to_f * 100))}%"
end
megabytes_to_bytes(quantity) click to toggle source
# File lib/facter/resolvers/macosx/swap_memory.rb, line 31
def megabytes_to_bytes(quantity)
  (quantity.to_f * 1_048_576).to_i
end
post_resolve(fact_name, _options) click to toggle source
# File lib/facter/resolvers/macosx/swap_memory.rb, line 12
def post_resolve(fact_name, _options)
  @fact_list.fetch(fact_name) { read_swap_memory(fact_name) }
end
read_swap_memory(fact_name) click to toggle source
# File lib/facter/resolvers/macosx/swap_memory.rb, line 16
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