Module: SensuPluginsCpuChecks::CommonInterrupts

Defined in:
lib/sensu-plugins-cpu-checks/common_interrupts.rb

Instance Method Summary collapse

Instance Method Details

#build_regexp(line) ⇒ Object 



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# File 'lib/sensu-plugins-cpu-checks/common_interrupts.rb', line 3

def build_regexp(line)
  regexp_string = '[[:space:]]*(?<irq_number>.+):'
  cpu_list = line.scan(/CPU\d+/)
  cpu_list.each do |name|
    regexp_string += "[[:space:]]*(?<#{name}>\\d+)"
  end
  regexp_string += '[[:space:]]*(?<irq_type>.*)'
  [Regexp.new(regexp_string), cpu_list]
end

#output_metrics(filename) ⇒ Object 



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# File 'lib/sensu-plugins-cpu-checks/common_interrupts.rb', line 13

def output_metrics(filename)
  regexp = nil
  cpu_list = []
  File.open("#{config[:proc_path]}/#{filename}", 'r').each_line.with_index do |line, index|
    if index.zero?
      regexp, cpu_list = build_regexp(line)
    else
      result = line.match(regexp)
      if result
        cpu_list.each do |name|
          key = [config[:scheme], name, result[:irq_type].split.join('-'), result[:irq_number]].reject(&:empty?)
          output key.join('.').to_s, result[name]
        end
      end
    end
  end
end