Class: ScoutApm::Instruments::Redis

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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

def logger
  @logger
end

Instance Method Details

#initalize(logger = ScoutApm::Agent.instance.logger) ⇒ Object 



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

def initalize(logger=ScoutApm::Agent.instance.logger)
  @logger = logger
  @installed = false
end

#install ⇒ Object 



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

def install
  @installed = true

  if defined?(::Redis) && defined?(::Redis::Client)
    ScoutApm::Agent.instance.logger.info "Instrumenting Redis"

    ::Redis::Client.class_eval do
      include ScoutApm::Tracer

      def call_with_scout_instruments(*args, &block)
        command = args.first.first rescue "Unknown"

        self.class.instrument("Redis", command) do
          call_without_scout_instruments(*args, &block)
        end
      end

      alias_method :call_without_scout_instruments, :call
      alias_method :call, :call_with_scout_instruments
    end
  end
end

#installed? ⇒ Boolean

Returns:

  • (Boolean) 


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

def installed?
  @installed
end