Class: Heartbeat

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

Class Method Summary collapse

Class Method Details

.apache_status(apache, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 215

def self.apache_status(apache, str)
  ap = str.split(':')
  if ap and ap[0]
    apache['requests'] = ap[1].strip.to_f if ap[0].include?('ReqPerSec')
    apache['busy_workers'] = ap[1].strip.to_i if ap[0].include?('BusyWorkers')
    apache['idle_workers'] = ap[1].strip.to_i if ap[0].include?('IdleWorkers')
  end
end

.cpu_usages(cpu_usage, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 177

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

.create(config, version = '0.0') ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 28

def self.create(config, version = '0.0')
  log.info("#create - Collecting data...")
  
  apikey = config['apikey']
  endpoint = config['endpoint']
  name = config['name']
  apache_status = config['apache_status']
  mongostat_arguments = config['mongostat_arguments']

  procs = {'total' => 0, 'running' => 0, 'stuck' => 0, 'sleeping' => 0, 'threads' => 0, 'stopped' => 0, 'zombie' => 0}
  load_avg = []
  cpu_usage = {'user' => 0, 'sys' => 0, 'idle' => 0}
  processes = []
  memory = {'free' => 0, 'used' => 0}
  disks = {}
  swap = {'free' => 0, 'used' => 0}
  apache = {}
  mongodb = {}

  log.debug("Dumping top output...")
  if is_linux?
    `top -b -n1 > /tmp/top.out`
  else
    `top -l 1 > /tmp/top.out`
  end
  
  log.debug("Dumping df output...")
  `df -m > /tmp/dfm.out`

  if apache_status
    log.debug("Dumping apache status output...")
    `curl #{apache_status} > /tmp/apache.out`  
  end

  if mongostat_arguments
    log.debug("Dumping mongostat output...")
    `mongostat #{mongostat_arguments} > /tmp/mongodb.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)
        if is_linux?
          processes(procs, line) if line.include?('Task')
          load_averages(load_avg, line) if line.include?('load average')
          cpu_usages(cpu_usage, line) if line.include?('Cpu')
          memory_usage(memory, line) if line.include?('Mem')
          swap_usage(swap, line) if line.include?('Swap')
          proc_count = counter + 1 if line.include?('PID') and line.include?('COMMAND')
        else
          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')
          memory_usage(memory, line) if line.include?('PhysMem')
          proc_count = counter + 1 if line.include?('PID') and line.include?('COMMAND')
        end
        process(processes, line) if proc_count > 0 and counter >= proc_count
        counter += 1
      end
    end
    
    if File.exists?('/tmp/dfm.out')
      File.open("/tmp/dfm.out", "r") do |infile|
        counter = 0
        while (line = infile.gets)
          disk_usage(disks, line) if counter > 0
          counter += 1
        end
      end
    end
    
    if File.exists?('/tmp/apache.out')
      File.open("/tmp/apache.out", "r") do |infile|
        counter = 0; lines = []
        while (line = infile.gets)
          apache_status(apache, line)
          counter += 1
        end
      end
    end

    if File.exists?('/tmp/mongodb.out')
      File.open("/tmp/mongodb.out", "r") do |infile|
        counter = 0
        while (line = infile.gets)
          mongodb_status(mongodb, line) if counter == 2
          counter += 1
        end
      end
    end

    options = {
      :body => {
        :heartbeat => {
          :client_version => version,
          :apikey => apikey,
          :host => `hostname`.chomp,
          :macaddr => Mac.addr,
          :name => name,
          :timestamp => Time.now.to_i,
          :values => {
            :process_stats => procs,
            :load_avg => load_avg,
            :cpu_usage => cpu_usage,
            :processes => processes,
            :memory => memory,
            :disks => disks,
            :swap => swap,
            :apache_status => apache,
            :mongodb_status => mongodb
          }
        }
      }
    }

    log.info("#create - Sending data to endpoint...")
    res = Heartbeat.post(endpoint + '/heartbeat', options)
    log.debug("Response: #{res.response.inspect}") if res
    log.info("Finished iteration.")
  else
    log.error "No top output found."
  end
end

.disk_usage(disks, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 244

def self.disk_usage(disks, str)
  ds = str.split(' ')
  disks[ds[0].strip] = {'used' => ds[2].strip, 'available' => ds[3].strip}
end

.is_linux? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/heartbeat-client.rb', line 16

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 12

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 168

def self.load_averages(load_avg, str)
  avg = str.split(is_linux? ? 'load average:' : ':')
  if avg and avg[0]
    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 24

def self.log
  @@log
end

.log=(logger) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 20

def self.log=(logger)
  @@log = logger
end

.memory_usage(memory, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 195

def self.memory_usage(memory, str)
  mem = str.split(':')
  if mem and mem[0]
    mem[1].split(',').each do |m|
      memory['free'] = m.split(' ')[0].strip if m.include?('free')
      memory['used'] = m.split(' ')[0].strip if m.include?('used')
    end
  end
end

.mongodb_status(mongodb, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 224

def self.mongodb_status(mongodb, str)
  if (mo = str.split(' '))
    mo.each_with_index do |moa, index|
      mongodb['insert'] = moa.strip.to_i if index == 0
      mongodb['query'] = moa.strip.to_i if index == 1
      mongodb['update'] = moa.strip.to_i if index == 2
      mongodb['delete'] = moa.strip.to_i if index == 3
      mongodb['getmore'] = moa.strip.to_i if index == 4
      mongodb['command'] = moa.strip.to_i if index == 5
      mongodb['flushes'] = moa.strip.to_i if index == 6
      mongodb['mapped'] = moa.strip if index == 7
      mongodb['vsize'] = moa.strip if index == 8
      mongodb['res'] = moa.strip if index == 9
      mongodb['netIn'] = moa.strip if index == 14
      mongodb['netOut'] = moa.strip if index == 15
      mongodb['conn'] = moa.strip if index == 16
    end
  end
end

.process(processes, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 188

def self.process(processes, str)
  procs = str.split(' ')
  if procs and procs.size > 0
    processes << (is_linux? ? procs[11].strip : procs[1].strip)
  end
end

.processes(procs, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 153

def self.processes(procs, str)
  proc = str.split(':')
  if proc and proc[0]
    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')
      procs['stopped'] = pr.split(' ')[0].strip.to_i if pr.include?('stopped')
      procs['zombie'] = pr.split(' ')[0].strip.to_i if pr.include?('zombie')
    end
  end
end

.swap_usage(swap, str) ⇒ Object 



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# File 'lib/heartbeat-client.rb', line 205

def self.swap_usage(swap, str)
  sw = str.split(':')
  if sw and sw[0]
    sw[1].split(',').each do |s|
      swap['free'] = s.split(' ')[0].strip if s.include?('free')
      swap['used'] = s.split(' ')[0].strip if s.include?('used')
    end
  end
end