Sha256: ecf21f3c9f96e797359fa39e405f47cb97bfcd8b241a06ec0bf15ccede6d5636
Contents?: true
Size: 1.39 KB
Versions: 15
Compression:
Stored size: 1.39 KB
Contents
# frozen_string_literal: true
module Facter
module Resolvers
module Macosx
class SystemMemory < BaseResolver
@semaphore = Mutex.new
@fact_list ||= {}
class << self
private
def post_resolve(fact_name)
@fact_list.fetch(fact_name) { calculate_system_memory(fact_name) }
end
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] = compute_capacity(@fact_list[:used_bytes], @fact_list[:total_bytes])
@fact_list[fact_name]
end
def read_available_memory_in_bytes
output = Facter::Core::Execution.execute('vm_stat', logger: log)
page_size = output.match(/page size of (\d+) bytes/)[1].to_i
pages_free = output.match(/Pages free:\s+(\d+)/)[1].to_i
@fact_list[:available_bytes] = page_size * pages_free
end
def read_total_memory_in_bytes
@fact_list[:total_bytes] = Facter::Core::Execution.execute('sysctl -n hw.memsize', logger: log).to_i
end
def compute_capacity(used, total)
"#{format('%<value>.2f', value: (used / total.to_f * 100))}%"
end
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems