Module: Datadog::Contrib::GRPC::Patcher

Includes:
Patcher
Defined in:
lib/ddtrace/contrib/grpc/patcher.rb

Overview

Patcher enables patching of ‘grpc’ module.

Defined Under Namespace

Classes: DeprecatedPin

Class Method Summary collapse

Methods included from Patcher

included

Class Method Details

.add_pin! ⇒ Object 



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# File 'lib/ddtrace/contrib/grpc/patcher.rb', line 33

def add_pin!
  DeprecatedPin.new(
    get_option(:service_name),
    app: Ext::APP,
    app_type: Datadog::Ext::AppTypes::WEB,
    tracer: get_option(:tracer)
  ).onto(::GRPC)
end

.get_option(option) ⇒ Object 



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# File 'lib/ddtrace/contrib/grpc/patcher.rb', line 47

def get_option(option)
  Datadog.configuration[:grpc].get_option(option)
end

.patch ⇒ Object 



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# File 'lib/ddtrace/contrib/grpc/patcher.rb', line 17

def patch
  do_once(:grpc) do
    begin
      require 'ddtrace/propagation/grpc_propagator'
      require 'ddtrace/contrib/grpc/datadog_interceptor'
      require 'ddtrace/contrib/grpc/intercept_with_datadog'

      add_pin!

      prepend_interceptor
    rescue StandardError => e
      Datadog::Tracer.log.error("Unable to apply gRPC integration: #{e}")
    end
  end
end

.patched? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ddtrace/contrib/grpc/patcher.rb', line 13

def patched?
  done?(:grpc)
end

.prepend_interceptor ⇒ Object 



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# File 'lib/ddtrace/contrib/grpc/patcher.rb', line 42

def prepend_interceptor
  ::GRPC::InterceptionContext
    .send(:prepend, Datadog::Contrib::GRPC::InterceptWithDatadog)
end