Class: Router

Inherits:
CloudstackNagios::Base show all
Defined in:
lib/cloudstack-nagios/commands/router.rb

Constant Summary

Constants included from CloudstackNagios::Helper

CloudstackNagios::Helper::RETURN_CODES

Instance Attribute Summary

Attributes inherited from CloudstackNagios::Base

#config

Instance Method Summary collapse

Methods inherited from CloudstackNagios::Base

exit_on_failure?

Methods included from CloudstackNagios::Helper

#check_data, #cs_routers, #exit_with_failure, #load_template

Instance Method Details

#cpu ⇒ Object 



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# File 'lib/cloudstack-nagios/commands/router.rb', line 26

def cpu
  begin
    host = systemvm_host
    mpstat_output = ""
    on host do |h|
      mpstat_output = capture(:mpstat)
    end
    values = mpstat_output.scan(/\d+\.\d+/)
    usage = 100 - values[-1].to_f 
    data = check_data(100, usage, options[:warning], options[:critical])
    puts "CPU #{RETURN_CODES[data[0]]} - usage = #{data[1]}% | usage=#{data[1]}%"
    exit data[0]
  rescue => e
    exit_with_failure(e)
  end
end

#memory ⇒ Object 



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# File 'lib/cloudstack-nagios/commands/router.rb', line 6

def memory
  begin
    host = systemvm_host
    free_output = ""
    on host do |h|
      free_output = capture(:free)
    end
    values = free_output.scan(/\d+/)
    total = values[0].to_i
    free = values[2].to_i
    free_b = values[7].to_i
    data = check_data(total, total - free_b, options[:warning], options[:critical])
    puts "MEMORY #{RETURN_CODES[data[0]]} - usage = #{data[1]}% | usage=#{data[1]}% total=#{total}M free=#{free}M free_wo_buffers=#{free_b}M"
    exit data[0]
  rescue => e
    exit_with_failure(e)
  end
end

#network ⇒ Object 



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# File 'lib/cloudstack-nagios/commands/router.rb', line 70

def network
  begin
    host = systemvm_host
    stats_path = "/sys/class/net/#{options[:interface]}/statistics"
    rx_bytes, tx_bytes = ""
    on host do |h|
      rx_bytes = capture("cat #{stats_path}/rx_bytes;sleep 1;cat #{stats_path}/rx_bytes").lines.to_a
      tx_bytes = capture("cat #{stats_path}/tx_bytes;sleep 1;cat #{stats_path}/tx_bytes").lines.to_a
    end
    rbps = (rx_bytes[1].to_i - rx_bytes[0].to_i) * 8
    tbps = (tx_bytes[1].to_i - tx_bytes[0].to_i) * 8
    data = check_data(options[:if_speed], rbps, options[:warning], options[:critical])
    puts "NETWORK #{RETURN_CODES[data[0]]} - usage = #{data[1]}% | usage=#{data[1]}% rxbps=#{rbps.round(0)} txbps=#{tbps.round(0)}"
    exit data[0]
  rescue => e
    exit_with_failure(e)
  end
end

#rootfs_rw ⇒ Object 



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# File 'lib/cloudstack-nagios/commands/router.rb', line 44

def rootfs_rw
  begin
    host = systemvm_host
    proc_out = ""
    on host do |h|
      proc_out = capture(:cat, '/proc/mounts')
    end
    rootfs_rw = proc_out.match(/rootfs\srw\s/)
    status = rootfs_rw ? 0 : 2
    puts "ROOTFS_RW #{rootfs_rw ? 'OK - rootfs writeable' : 'CRITICAL - rootfs NOT writeable'}"
    exit status
  rescue => e
    exit_with_failure(e)
  end
end