Class: ScoutApm::Instruments::InfluxDB

Inherits:
Object
  • Object
show all
Defined in:
lib/scout_apm/instruments/influxdb.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ InfluxDB

Returns a new instance of InfluxDB.



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# File 'lib/scout_apm/instruments/influxdb.rb', line 6

def initialize(context)
  @context = context
  @installed = false
end

Instance Attribute Details

#context ⇒ Object (readonly)

Returns the value of attribute context.



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# File 'lib/scout_apm/instruments/influxdb.rb', line 4

def context
  @context
end

Instance Method Details

#install(prepend:) ⇒ Object 



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# File 'lib/scout_apm/instruments/influxdb.rb', line 19

def install(prepend:)
  if defined?(::InfluxDB)
    @installed = true

    logger.debug "Instrumenting InfluxDB."

    ::InfluxDB::Client.class_eval do
      include ScoutApm::Tracer
    end

    ::InfluxDB::HTTP.module_eval do
      def do_request_with_scout_instruments(http, req, data = nil)
        params = req.path[1..-1].split("?").last
        cleaned_params = CGI.unescape(params).gsub(/(\s{2,})/,' ')

        self.class.instrument("InfluxDB",
                              "#{req.path[1..-1].split("?").first.capitalize}",
                              :desc => cleaned_params,
                              :ignore_children => true) do
          do_request_without_scout_instruments(http, req, data)
        end
      end

      alias_method :do_request_without_scout_instruments, :do_request
      alias_method :do_request, :do_request_with_scout_instruments
    end
  end
end

#installed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scout_apm/instruments/influxdb.rb', line 15

def installed?
  @installed
end

#logger ⇒ Object 



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# File 'lib/scout_apm/instruments/influxdb.rb', line 11

def logger
  context.logger
end