Class: Fluent::TextParser::JuniperJtiParser

Inherits:
Parser
  • Object
show all
Defined in:
lib/fluent/plugin/parser_juniper_jti.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object

This method is called after config_params have read configuration parameters



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# File 'lib/fluent/plugin/parser_juniper_jti.rb', line 19

def configure(conf)
  super

  ## Check if "output_format" has a valid value
  unless  @output_format.to_s == "structured" ||
          @output_format.to_s == "flat" ||
          @output_format.to_s == "statsd"

    raise ConfigError, "output_format value '#{@output_format}' is not valid. Must be : structured, flat or statsd"
  end
end

#parse(text) ⇒ Object 



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# File 'lib/fluent/plugin/parser_juniper_jti.rb', line 31

def parse(text)

  ## Decode GBP packet
  jti_msg =  TelemetryStream.decode(text)

  resource = ""

  ## Extract device name & Timestamp
  device_name = jti_msg.system_id
  gpb_time = epoc_to_sec(jti_msg.timestamp)

  ## Extract sensor
  begin
    jnpr_sensor = jti_msg.enterprise.juniperNetworks
    datas_sensors = JSON.parse(jnpr_sensor.to_json)
    $log.debug  "Extract sensor data from #{device_name} with output #{output_format}"
  rescue => e
    $log.warn   "Unable to extract sensor data sensor from jti_msg.enterprise.juniperNetworks, Error during processing: #{$!}"
    $log.debug  "Unable to extract sensor data sensor from jti_msg.enterprise.juniperNetworks, Data Dump : " + jti_msg.inspect.to_s
    return
  end

  ## Go over each Sensor
  datas_sensors.each do |sensor, s_data|

    ##############################################################
    ### Support for resource /junos/system/linecard/interface/  ##
    ##############################################################
    if sensor == "jnpr_interface_ext"

      resource = "/junos/system/linecard/interface/"
      $log.debug  "Will extract info for Sensor: #{sensor} / Resource #{resource}"

      datas_sensors[sensor]['interface_stats'].each do |datas|

        # Save all info extracted on a list
        sensor_data = []

        # Catch Exception during parsing
        begin
          ## Extract interface name and clean up
          # interface_name = datas['if_name']
          sensor_data.push({ 'device' => device_name  })
          sensor_data.push({ 'interface' => datas['if_name']  })

          # Check if the interface has a parent
          if datas.key?('parent_ae_name')
            sensor_data.push({ 'interface_parent' =>  datas['parent_ae_name']  })
            datas.delete("parent_ae_name")
          end

          ## Clean up Current object
          datas.delete("if_name")
          datas.delete("init_time")
          datas.delete("snmp_if_index")

          datas.each do |section, data|

            ## egress_queue_info is an Array
            if data.kind_of?(Array)
              data.each do |queue|

                ## Create local copy to avoid variable sharing
                queue_sensor_data = sensor_data.dup

                ## Save and Cleanup Queue number
                queue_sensor_data.push({ 'egress_queue' => queue['queue_number']  })
                queue.delete("queue_number")

                queue.each do |type,value|
                  local_sensor_data = queue_sensor_data.dup
                  local_sensor_data.push({ 'type' => section + '.' + type  })
                  local_sensor_data.push({ 'value' => value  })

                  record = build_record(output_format, local_sensor_data)
                  yield gpb_time, record
                end
              end
            else
              data.each do |type,value|

                ## Create local copy to avoid using some variable
                local_sensor_data = sensor_data.dup

                local_sensor_data.push({ 'type' => section + '.' + type  })
                local_sensor_data.push({ 'value' => value  })

                record = build_record(output_format, local_sensor_data)
                yield gpb_time, record
              end
            end
          end
        rescue => e
          $log.warn   "Unable to parse " + sensor + " sensor, Error during processing: #{$!}"
          $log.debug  "Unable to parse " + sensor + " sensor, Data Dump : " + datas.inspect.to_s
        end
      end

    #####################################################################
    ### Support for resource /junos/services/label-switched-path/usage/##
    #####################################################################
    #datas Dump : {"name"=>"to_mx104-9", "instance_identifier"=>0,
    #  "counter_name"=>"c-25", "packets"=>2521648779, "bytes"=>2526692076558,
    #  "packet_rate"=>598640, "byte_rate"=>599837511}
    elsif sensor == "jnpr_lsp_statistics_ext"

      resource = "/junos/services/label-switched-path/usage/"
      $log.debug  "Will extract info for Sensor: #{sensor} / Resource #{resource}"

      datas_sensors[sensor]['lsp_stats_records'].each do |datas|

        # Save all info extracted on a list
        sensor_data = []

        begin
          ## Extract interface name and clean up
          sensor_data.push({ 'device' => device_name  })
          sensor_data.push({ 'lspname' => datas['name']  })
          sensor_data.push({ 'instance_identifier' => datas['instance_identifier']  })
          sensor_data.push({ 'counter_name' => datas['counter_name']  })

          ## Clean up Current object
          datas.delete("name")
          datas.delete("instance_identifier")
          datas.delete("counter_name")

          datas.each do |type, value|

              sensor_data.push({ 'type' =>  'lsp_stats.' + type  })
              sensor_data.push({ 'value' => value  })

              record = build_record(output_format, sensor_data)
              yield gpb_time, record

          end
        rescue => e
          $log.warn   "Unable to parse " + sensor + " sensor, Error during processing: #{$!}"
          $log.debug  "Unable to parse " + sensor + " sensor, Data Dump : " + datas_sensors.inspect.to_s
        end
      end

    ##############################################################
    ### Support for resource /junos/system/linecard/interface/logical/usage ##
    ##############################################################
    elsif sensor == "jnprLogicalInterfaceExt"

      resource = "/junos/system/linecard/interface/logical/usage"
      $log.debug  "Will extract info for Sensor: #{sensor} / Resource #{resource}"

      datas_sensors[sensor]['interface_info'].each do |datas|

      # Save all info extracted on a list
      sensor_data = []

      begin
        ## Extract interface name and clean up
        sensor_data.push({ 'device' => device_name  })
        sensor_data.push({ 'interface' => datas['if_name']  })

        ## Clean up Current object
        datas.delete("if_name")
        datas.delete("init_time")
        datas.delete("snmp_if_index")
        datas.delete("op_state")

        # Check if the interface has a parent
        if datas.key?('parent_ae_name')
          sensor_data.push({ 'interface_parent' =>  datas['parent_ae_name']  })
          datas.delete("parent_ae_name")
        end

        datas.each do |section, data|
          data.each do |type, value|

            local_sensor_data = sensor_data.dup

            if value.kind_of?(Array)
              value.each do |entry|

                ['if_packets', 'if_octets'].each do |data_type|
                  local_sensor_data.push({ 'forwarding_class' => entry['fc_number'] })
                  local_sensor_data.push({ 'family' => entry['if_family'] })
                  local_sensor_data.push({ 'type' => section + '.' + type + '.' + data_type })
                  local_sensor_data.push({ 'value' => entry[data_type]  })

                  record = build_record(output_format, local_sensor_data)
                  yield gpb_time, record
                end
              end
            else
              local_sensor_data.push({ 'type' => section + '.' + type  })
              local_sensor_data.push({ 'value' => value  })

              record = build_record(output_format, local_sensor_data)

              yield gpb_time, record
            end
          end
        end
      rescue => e
        $log.warn   "Unable to parse " + sensor + " sensor, Error during processing: #{$!}"
        $log.debug  "Unable to parse " + sensor + " sensor, Data Dump : " + datas.inspect.to_s
      end
    end

    ##############################################################
    ### Support for resource /junos/system/linecard/firewall/   ##
    ##############################################################
    #{"message":"Unable to parse jnpr_firewall_ext sensor, Data Dump : {\"jnpr_firewall_ext\"=>
    #{\"firewall_stats\"=>[{\"filter_name\"=>\"__default_bpdu_filter__\", \"timestamp\"=>1465467390, \"memory_usage\"=>[{\"name\"=>\"HEAP\", \"allocated\"=>2440}]},
    #{\"filter_name\"=>\"test\", \"timestamp\"=>1465467390, \"memory_usage\"=>[{\"name\"=>\"HEAP\", \"allocated\"=>1688}],
    #\"counter_stats\"=>[{\"name\"=>\"cnt1\", \"packets\"=>79, \"bytes\"=>6320}]},
    #{\"filter_name\"=>\"__default_arp_policer__\", \"timestamp\"=>1464456904, \"memory_usage\"=>[{\"name\"=>\"HEAP\", \"allocated\"=>1600}]}]}}"}
    elsif sensor == "jnpr_firewall_ext"

      resource = "/junos/system/linecard/firewall/"
      $log.debug  "Will extract info for Sensor: #{sensor} / Resource #{resource}"

      datas_sensors[sensor]['firewall_stats'].each do |datas|

        # Save all info extracted on a list
        sensor_data = []

        begin
          ## Extract interface name and clean up
          sensor_data.push({ 'device' => device_name  })
          sensor_data.push({ 'filter_name' => datas['filter_name']  })
          sensor_data.push({ 'filter_timestamp' => datas['timestamp']  })

          ## Clean up Current object
          datas.delete("filter_name")
          datas.delete("timestamp")

          if datas.key?('memory_usage')
            datas['memory_usage'].each do |memory_usage|
              sensor_data.push({ 'type' =>  'memory_usage.' + memory_usage['name'] })
              sensor_data.push({ 'value' =>  memory_usage['allocated']  })
              memory_usage.delete("name")
              memory_usage.delete("allocated")

              record = build_record(output_format, sensor_data)
              yield gpb_time, record
            end

            ## Clean up Current object
            datas.delete("memory_usage")
          end

          if datas.key?('counter_stats')
            datas['counter_stats'].each do |counters|
              sensor_data.push({ 'filter_counter_name' => counters['name']  })
              counters.delete("name")
              counters.each do |type, value|
                sensor_data.push({ 'type' =>  'filter_counter.' + type  })
                sensor_data.push({ 'value' => value  })
                record = build_record(output_format, sensor_data)
                yield gpb_time, record
              end
            end
          end

        rescue => e
          $log.warn   "Unable to parse " + sensor + " sensor, Error during processing: #{$!}"
          $log.debug  "Unable to parse " + sensor + " sensor, Data Dump : " + datas_sensors.inspect.to_s
        end
      end
    #####################################################################
    ### Support for resource /junos/TBD /##
    #####################################################################
    elsif sensor == "cpu_memory_util_ext"

      resource = "/junos/TBD/"
      $log.debug  "Will extract info for Sensor: #{sensor} / Resource #{resource}"

      datas_sensors[sensor]['utilization'].each do |datas|

        # Save all info extracted on a list
        sensor_data = []

        begin
          ## Extract interface name and clean up
          sensor_data.push({ 'device' => device_name  })

          name = clean_up_name(datas['name'])

          ## Clean up Current object
          datas.delete("name")

          datas.each do |type, value|

            sensor_data.push({ 'type' =>  'cpu_mem.' + type })
            sensor_data.push({ 'name' => name  })
            sensor_data.push({ 'value' => value  })

            record = build_record(output_format, sensor_data)
            yield gpb_time, record

          end
        rescue => e
          $log.warn   "Unable to parse " + sensor + " sensor, Error during processing: #{$!}"
          $log.debug  "Unable to parse " + sensor + " sensor, Data Dump : " + datas_sensors.inspect.to_s
        end
      end
    else
      $log.warn  "Unsupported sensor : " + sensor
      # puts datas_sensors[sensor].inspect.to_s
    end
  end
end