Module: GreenHat::Memory

Defined in:
lib/greenhat/accessors/memory.rb

Overview

Sidekiq Log Helpers

Class Method Summary collapse

Class Method Details

.free ⇒ Object 



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# File 'lib/greenhat/accessors/memory.rb', line 4

def self.free
  Thing.where(name: 'free_m')
end

.memory_row(mem) ⇒ Object 



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# File 'lib/greenhat/accessors/memory.rb', line 15

def self.memory_row(mem)
  total = mem.total.to_i
  total_name = number_to_human_size(total.megabytes)
  used_name = number_to_human_size(mem.used.to_i.megabytes)

  bar = [
    '|'.pastel(:green) * percentage(mem.used, total),
    '|'.pastel(:blue) * percentage(mem.shared, total),
    '|'.pastel(:cyan) * percentage(mem.buffcache, total),
    ' ' * percentage(mem.free, total)
  ].join

  # Make Even
  padding = 125 - bar.unpastel.size
  bar += ' ' * padding if padding.positive?

  [
    mem.kind.ljust(4).pastel(:cyan),
    ' ['.pastel(:bright_black),
    bar.ljust(120),
    used_name.pastel(:magenta),
    ' / '.pastel(:bright_black),
    total_name.pastel(:blue),
    ']'.pastel(:bright_black)
  ].join
end

.number_to_human_size(num) ⇒ Object 



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# File 'lib/greenhat/accessors/memory.rb', line 42

def self.number_to_human_size(num)
  ActiveSupport::NumberHelper.number_to_human_size num
end

.percentage(used, total) ⇒ Object 



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# File 'lib/greenhat/accessors/memory.rb', line 8

def self.percentage(used, total)
  return 0 if used.to_i.zero?

  # Show at least one bar if below 1%
  [1, ((used.to_i / total.to_f).round(1) * 100).round].max
end