Class: Fluent::TextParser::JuniperAnalyticsdParser

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

Instance Method Summary collapse

Instance Method Details

#clean_up_name(name) ⇒ Object

Clean up device name and interface name to remove restricted caracter Used for flat and statsd format



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# File 'lib/fluent/plugin/parser_juniper_analyticsd.rb', line 113

def clean_up_name(name)

    tmp = name

    tmp.gsub!('/', '_')
    tmp.gsub!(':', '_')
    tmp.gsub!('.', '_')

    return tmp.to_s
end

#configure(conf) ⇒ Object

This method is called after config_params have read configuration parameters



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# File 'lib/fluent/plugin/parser_juniper_analyticsd.rb', line 10

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_analyticsd.rb', line 22

def parse(text)

    payload = JSON.parse(text)
    time = Engine.now

    ## Extract contextual info
    record_type = payload["record-type"]
    record_time = payload["time"]
    device_name = payload["router-id"]
    port_name = payload["port"]

    ## Record time is in microsecond and until 0.14 Fluentd do not support lower than 1s
    ## We need to trim record time for now to fit fluentd
    json_time = (record_time/1000000).to_i

    if record_type == 'traffic-stats'

        ## Delete contextual info
        payload.delete("record-type")
        payload.delete("time")
        payload.delete("router-id")
        payload.delete("port")

        payload.each do |key, value|
            record = {}

            if output_format.to_s == 'flat'
                full_name = "device.#{clean_up_name(device_name)}.interface.#{clean_up_name(port_name)}.type.#{key}"

                record[full_name.downcase]= value

            elsif output_format.to_s == 'structured'
                record['device'] = device_name
                record['type'] = record_type + '.' + key
                record['interface'] = port_name
                record['value'] = value

            elsif output_format.to_s == 'statsd'

                full_name = "interface.#{clean_up_name(port_name)}.type.#{key}"
                record[:statsd_type] = 'gauge'
                record[:statsd_key] = full_name.downcase
                record[:statsd_gauge] = value
            else
                $log.warn "Output_format '#{output_format.to_s}' not supported for #{record_type}"
            end

            yield json_time, record
        end
    elsif record_type == 'queue-stats'

        ## Delete contextual info
        payload.delete("record-type")
        payload.delete("time")
        payload.delete("router-id")
        payload.delete("port")

        payload.each do |key, value|
            record = {}

            if output_format.to_s == 'flat'

                full_name = "device.#{clean_up_name(device_name)}.interface.#{clean_up_name(port_name)}.queue.#{key}"

                record[full_name.downcase]= value

            elsif output_format.to_s == 'structured'
                record['device'] = device_name
                record['type'] = record_type + '.' + key
                record['interface'] = port_name
                record['value'] = value

            elsif output_format.to_s == 'statsd'
                full_name = "interface.#{clean_up_name(port_name)}.queue.#{key}"
                record[:statsd_type] = 'gauge'
                record[:statsd_key] = full_name.downcase
                record[:statsd_gauge] = value

            else
                $log.warn "Output_format '#{output_format.to_s}' not supported for #{record_type}"
            end

            yield json_time, record
        end
    else
        $log.warn "Recard type '#{record_type}' not supported"
    end
end