Class: Elesai::Action::Check

Inherits:
Object
  • Object
show all
Includes:
Senedsa
Defined in:
lib/elesai/action/check.rb

Constant Summary collapse

DEFAULT_SENEDSA_CONFIG_FILE = 
File.join(ENV['HOME'],"/.senedsa/config")

Instance Method Summary collapse

Constructor Details

#initialize(arguments, options) ⇒ Check

Returns a new instance of Check.



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# File 'lib/elesai/action/check.rb', line 11

def initialize(arguments,options)
  @options = options.merge!({ :monitor => :nagios, :mode => :active, :diskcachepolicy => nil })
  @arguments = []
  @lsi = nil

  opts = OptionParser.new
  opts.banner = "Usage: #{ID} [options] check [check_options]"
  opts.separator ""
  opts.separator "Check Options"
  opts.on('--hotspare MIN',                      Integer,              "Minimum number of hotspares")                       { |o| @options[:hotspare]        = o }
  opts.on('--diskcachepolicy DISKCACHEPOLICY',   String,               "Disk cache policy/Disk Write Cache checks")         { |o| @options[:diskcachepolicy] = o }
  opts.on('-M', '--monitor [nagios]',            [:nagios],            "Monitoring system")                                 { |o| @options[:monitor]         = o }
  opts.on('-m', '--mode [active|passive]',       [:active, :passive],  "Monitoring mode")                                   { |o| @options[:mode]            = o }
  opts.on('-H', '--nsca_hostname HOSTNAME',      String,               "NSCA hostname to send passive checks")              { |o| @options[:nsca_hostame]    = o }
  opts.on('-c', '--config CONFIG',               String,               "Path to Senedsa (send_nsca) configuration" )        { |o| @options[:senedsa_config]  = o }
  opts.on('-S', '--svc_descr SVC_DESR',          String,               "Nagios service description")                        { |o| @options[:svc_descr]       = o }
  opts.order!(arguments)

  options_valid?
end

Instance Method Details

#exec ⇒ Object 



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# File 'lib/elesai/action/check.rb', line 32

def exec

  @lsi = LSI.new(:megacli => @options[:megacli], :fake => @options[:fake])

  plugin_output = ""
  plugin_status = ""

  hotspare = 0

  @lsi.physicaldrives.each do |id,physicaldrive|
    drive_plugin_string = "[PD:#{physicaldrive._id}:#{physicaldrive[:size]}:#{physicaldrive[:mediatype]}:#{physicaldrive[:pdtype]}]"
    unless physicaldrive[:firmwarestate].state == :online or physicaldrive[:firmwarestate].state == :hotspare
      plugin_output += " #{drive_plugin_string}:#{physicaldrive[:firmwarestate].state}"
      plugin_status = :critical if physicaldrive[:firmwarestate].state == :failed
      plugin_status = :warning if  physicaldrive[:firmwarestate].state == :rebuild and plugin_status != :critical
    end
    unless physicaldrive[:mediaerrorcount].to_i < 10
      plugin_output += " #{drive_plugin_string}:MediaError:#{physicaldrive[:mediaerrorcount]}"
      plugin_status = :warning if plugin_status.empty?
    end
    unless physicaldrive[:predictivefailurecount].to_i < 5
      plugin_output += " #{drive_plugin_string}:PredictiveFailure:#{physicaldrive[:predictivefailurecount]}"
      plugin_status = :warning if plugin_status.empty?
    end
    hotspare += 1 if physicaldrive[:firmwarestate].state == :hotspare
  end

  if hotspare < @options[:hotspare].to_i
    plugin_status = :warning unless plugin_status == :critical
    plugin_output += " hotspare low watermark (require #{@options[:hotspare]}, have #{hotspare})"
  end

  @lsi.virtualdrives.each do |vd|
    vd_plugin_string = "[VD:#{vd._id}]"
    if @options[:diskcachepolicy] and vd[:diskcachepolicy] != @options[:diskcachepolicy]
      plugin_output += " #{vd_plugin_string}:diskcachepolicy is not #{@options[:diskcachepolicy]}"
      plugin_status = :warning
    end
    case vd[:state]
      when :offline, :failed
        plugin_output += " #{vd_plugin_string}:#{vd[:state]}"
        plugin_status = :critical
      when :partially_degraded, :degraded
        plugin_output += " #{vd_plugin_string}:#{vd[:state]}"
        plugin_status = :warning if plugin_status != :critical
      when :optimal
        a = 1
      else
        plugin_status = :unknown
        plugin_output += " #{vd_plugin_string}:#{vd[:state]}"
    end
    unless vd[:currentcachepolicy] =~ /^WriteBack/ and @lsi.bbus[0][:firmwarestatus][:learncycleactive] != 'Yes'
      plugin_status = :warning
      plugin_output += " #{vd_plugin_string}:(not in writeback mode)"
    end
  end

  @lsi.bbus.each do |bbu|

    unless bbu[:firmwarestatus][:temperature] == 'OK'
      plugin_output += " [BBU:#{bbu._id}:temperature:#{bbu[:firmwarestatus][:temperature]}:#{bbu[:temperature].gsub(/\s/,'')}]"
    end

    unless bbu[:firmwarestatus][:learncyclestatus] == 'OK'
      plugin_output += " [BBU:#{bbu._id}:learncyclestatus:#{bbu[:firmwarestatus][:learncyclestatus]}]"
      plugin_status = :warning if plugin_status == ""
    end

    [:batterypackmissing, :batteryreplacementrequired].each do |attr|
      unless bbu[:firmwarestatus][attr] == 'No'
        plugin_output += " [BBU:#{attr}:#{bbu[:firmwarestatus][attr]}]"
        plugin_status = :warning if plugin_status == ""
      end
    end

    if bbu[:batterytype] == 'iBBU'
      if bbu[:batterystate] != 'Operational'
        plugin_output += " [BBU:#{bbu._id}:batterystate:#{bbu[:batterystate]}]"
        plugin_status = :warning
      else
        if bbu[:firmwarestatus][:learncycleactive] == 'Yes'
          plugin_output += " learn cycle enabled: [BBU:absolutestateofcharge:#{bbu[:gasgaugestatus][:absolutestateofcharge]}]"
        else
          unless bbu[:firmwarestatus][:voltage] == 'OK'
            plugin_output += " [BBU:#{bbu._id}:voltage:#{bbu[:firmwarestatus][:voltage]}]"
            plugin_status = :warning if plugin_status == ''
          end
          remainingcapacity = bbu[:capacityinfo][:remainingcapacity].number
          designcapacity = bbu[:designinfo][:designcapacity].number
          bbupercent = (remainingcapacity.to_f / designcapacity.to_f) * 100
          if bbupercent < 70
            plugin_output += " [BBU: #{bbupercent.to_i} percent of original capacity remaining]"
            plugin_status = :warning if plugin_status == ''
          end
        end
      end
    end
  end

  if plugin_output.empty? and plugin_status.empty?
    if @lsi.adapters.empty?
      plugin_status = :warning
      plugin_output = 'no adapters found'
    else
      @lsi.adapters.each do |adapter|
        plugin_output += " [#{adapter._id}: #{adapter[:versions][:productname].gsub(/\s+/,'_')} OK]"
      end
    end
  end
  plugin_status = :ok if plugin_status.empty?

  case @options[:monitor]
    when :nagios
      case @options[:mode]
        when :active
          puts "#{plugin_status.to_s.upcase}:#{plugin_output}"
          exit SendNsca::STATUS[plugin_status]
        when :passive
          sn = SendNsca.new @options
          begin
            sn.send plugin_status , plugin_output
          rescue SendNsca::SendNscaError => e
            raise RuntimeError, "send_nsca failed: #{e.message}"
          end
      end
  end
end