class Facter::Resolvers::Freebsd::SystemMemory

Private Class Methods

calculate_system_memory(fact_name) click to toggle source
# File lib/facter/resolvers/freebsd/system_memory_resolver.rb, line 14
def calculate_system_memory(fact_name)
  read_total_memory_in_bytes
  read_available_memory_in_bytes

  @fact_list[:used_bytes] = @fact_list[:total_bytes] - @fact_list[:available_bytes]
  @fact_list[:capacity] = FilesystemHelper.compute_capacity(@fact_list[:used_bytes], @fact_list[:total_bytes])

  @fact_list[fact_name]
end
post_resolve(fact_name) click to toggle source
# File lib/facter/resolvers/freebsd/system_memory_resolver.rb, line 10
def post_resolve(fact_name)
  @fact_list.fetch(fact_name) { calculate_system_memory(fact_name) }
end
read_available_memory_in_bytes() click to toggle source
# File lib/facter/resolvers/freebsd/system_memory_resolver.rb, line 24
def read_available_memory_in_bytes
  output = Facter::Core::Execution.execute('vmstat -H --libxo json', logger: log)
  data = JSON.parse(output)
  @fact_list[:available_bytes] = data['memory']['free-memory'] * 1024
end
read_total_memory_in_bytes() click to toggle source
# File lib/facter/resolvers/freebsd/system_memory_resolver.rb, line 30
def read_total_memory_in_bytes
  require_relative 'ffi/ffi_helper'

  @fact_list[:total_bytes] = Facter::Freebsd::FfiHelper.sysctl_by_name(:long, 'hw.physmem')
end