Sha256: 11bdc164b29bc25ccd9e3c0e2bb455dee127560177b653397c6636a2a54c9307
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Size: 1.36 KB
Versions: 14
Compression:
Stored size: 1.36 KB
Contents
# frozen_string_literal: true
module Facter
module Resolvers
module Macosx
class SystemMemory < BaseResolver
@semaphore = Mutex.new
@fact_list ||= {}
@log = Facter::Log.new(self)
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, _status = Open3.capture2('vm_stat')
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] = Open3.capture2('sysctl -n hw.memsize').first.to_i
end
def compute_capacity(used, total)
format('%.2f', (used / total.to_f * 100)) + '%'
end
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems