Class: Heartbeat

Inherits:
Object
  • Object
show all
Includes:
HTTParty
Defined in:
lib/heartbeat-client.rb

Class Method Summary collapse

Class Method Details

.cpu_usages(cpu_usage, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 97

def self.cpu_usages(cpu_usage, str)
  cpu = str.split(':')
  if cpu and cpu[0] and cpu[0].include?('CPU usage')
    cpu[1].split(',').each do |cp|
      cpu_usage['user'] = cp.split(' ')[0].strip.to_f if cp.include?('user')
      cpu_usage['sys'] = cp.split(' ')[0].strip.to_f if cp.include?('sys')
      cpu_usage['idle'] = cp.split(' ')[0].strip.to_f if cp.include?('idle')
    end
  end
end

.create(apikey) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 23

def self.create(apikey)
  procs = {'total' => 0, 'running' => 0, 'stuck' => 0, 'sleeping' => 0, 'threads' => 0}
  load_avg = []
  cpu_usage = {'user' => 0, 'sys' => 0, 'idle' => 0}
  processes = []

  if self.is_linux?
    `top -b -n1 > /tmp/top.out`
  else
    `top -l 1 > /tmp/top.out`
  end

  if File.exists?('/tmp/top.out')
    counter = 0; proc_count = 0
    File.open("/tmp/top.out", "r") do |infile|
      while (line = infile.gets)
        processes(procs, line) if line.include?('Processes')
        load_averages(load_avg, line) if line.include?('Load Avg')
        cpu_usages(cpu_usage, line) if line.include?('CPU usage')
        proc_count = counter + 1 if line.include?('PID') and line.include?('COMMAND')
        process(processes, line) if proc_count > 0 and counter >= proc_count
        counter += 1
      end
    end
    
    options = {
      :body => {
        :heartbeat => {
          :apikey => apikey,
          :host => `hostname`.chomp,
          :timestamp => Time.now.to_i,
          :values => {
            :process_stats => procs,
            :load_avg => load_avg,
            :cpu_usage => cpu_usage,
            :processes => processes
          }
        }
      }
    }

    # puts procs.inspect
    # puts load_avg.inspect
    # puts cpu_usage.inspect
    # puts processes.inspect

    pp Heartbeat.post('/heartbeat', options)
  else
    put "No top output found."
  end
end

.is_linux? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/heartbeat-client.rb', line 15

def self.is_linux?
  RUBY_PLATFORM.downcase.include?("linux")
end

.is_mac? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/heartbeat-client.rb', line 11

def self.is_mac?
  RUBY_PLATFORM.downcase.include?("darwin")
end

.load_averages(load_avg, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 88

def self.load_averages(load_avg, str)
  avg = str.split(':')
  if avg and avg[0] and avg[0].include?('Load Avg')
    avg[1].split(',').each do |a|
      load_avg << a.strip.to_f
    end
  end
end

.log ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 19

def self.log
  Logger.new('/tmp/heartbeat.log')
end

.process(processes, line) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 108

def self.process(processes, line)
  procs = line.split(' ')
  if procs and procs.size > 0
    processes << {'pid' => procs[0].strip.to_i, 'command' => procs[1].strip, 'cpu' => procs[2].strip.to_f}
  end
end

.processes(procs, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 75

def self.processes(procs, str)
  proc = str.split(':')
  if proc and proc[0] and proc[0].include?('Processes')
    proc[1].split(',').each do |pr|
      procs['total'] = pr.split(' ')[0].strip.to_i if pr.include?('total')
      procs['running'] = pr.split(' ')[0].strip.to_i if pr.include?('running')
      procs['stuck'] = pr.split(' ')[0].strip.to_i if pr.include?('stuck')
      procs['sleeping'] = pr.split(' ')[0].strip.to_i if pr.include?('sleeping')
      procs['threads'] = pr.split(' ')[0].strip.to_i if pr.include?('threads')
    end
  end
end