Class: NewRelic::F5Plugin::Nodes

Inherits:
Object
  • Object
show all
Defined in:
lib/newrelic_f5_plugin/nodes.rb

Constant Summary collapse

NODE_MONITOR_STATES = 
{
  0  => 'unchecked',
  1  => 'checking',
  2  => 'inband',
  3  => 'forced-up',
  4  => 'up',
  19 => 'down',
  20 => 'forced-down',
  21 => 'maint',
  22 => 'irule-down',
  23 => 'inband-down',
  24 => 'down-manual-resume',
  25 => 'disabled',
}
OID_LTM_NODE_ADDR_MONITOR_STATUS = 
"1.3.6.1.4.1.3375.2.2.4.1.2.1.7"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(snmp = nil) ⇒ Nodes

Init



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# File 'lib/newrelic_f5_plugin/nodes.rb', line 34

def initialize(snmp = nil)
  if snmp
    @snmp_manager = snmp
  else
    @snmp_manager = nil
  end
end

Instance Attribute Details

#snmp_manager ⇒ Object

Returns the value of attribute snmp_manager.



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# File 'lib/newrelic_f5_plugin/nodes.rb', line 11

def snmp_manager
  @snmp_manager
end

Instance Method Details

#get_status(snmp = nil) ⇒ Object

Gather Node Status and report



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# File 'lib/newrelic_f5_plugin/nodes.rb', line 66

def get_status(snmp = nil)
  snmp = snmp_manager unless snmp
  metrics = { }
  counter = 0

  if snmp
    # Init all the states with zeros so we always get them
    base_name = "Nodes/Monitor Status"
    NODE_MONITOR_STATES.each do |key,value|
      metrics["#{base_name}/#{value}"] = { :label => "nodes", :count => 0 }
    end

    # ltmNodeAddrMonitorStatus
    begin
      snmp.walk([OID_LTM_NODE_ADDR_MONITOR_STATUS]) do |row|
        row.each do |vb|
          metric_name = "#{base_name}/#{NODE_MONITOR_STATES[vb.value.to_i]}"
          metrics[metric_name][:count]  += 1
          counter += 1
        end
      end
    rescue Exception => e
      NewRelic::PlatformLogger.error("Unable to gather Node Status metrics with error: #{e}")
    end
  end

  NewRelic::PlatformLogger.debug("Nodes: Got #{counter} Status metrics")
  return metrics
end

#poll(agent, snmp) ⇒ Object

Perform polling and reportings of metrics



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# File 'lib/newrelic_f5_plugin/nodes.rb', line 47

def poll(agent, snmp)
  @snmp_manager = snmp

  node_status = get_status
  node_status.each_key { |m| agent.report_metric m, node_status[m][:label], node_status[m][:count] } unless node_status.nil?
end