Class: Fluent::Plugin::OpentelemetryInput

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_opentelemetry.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_opentelemetry.rb', line 43

def configure(conf)
  super

  expand_tag_placeholders(@tag)

  if @grpc_config && !defined?(GRPC)
    raise Fluent::ConfigError, "To use gRPC feature, please install grpc gem such as 'fluent-gem install grpc'."
  end

  unless [@http_config, @grpc_config].any?
    raise Fluent::ConfigError, "Please configure either <http> or <grpc> section, or both."
  end
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_opentelemetry.rb', line 57

def start
  super

  if @http_config
    http_handler = Opentelemetry::HttpInputHandler.new
    http_server_create_http_server(:in_opentelemetry_http_server, addr: @http_config.bind, port: @http_config.port, logger: log) do |serv|
      serv.post("/v1/logs") do |req|
        http_handler.logs(req) { |record| router.emit(tag_for(Opentelemetry::RECORD_TYPE_LOGS), Fluent::EventTime.now, { "type" => Opentelemetry::RECORD_TYPE_LOGS, "message" => record }) }
      end
      serv.post("/v1/metrics") do |req|
        http_handler.metrics(req) { |record| router.emit(tag_for(Opentelemetry::RECORD_TYPE_METRICS), Fluent::EventTime.now, { "type" => Opentelemetry::RECORD_TYPE_METRICS, "message" => record }) }
      end
      serv.post("/v1/traces") do |req|
        http_handler.traces(req) { |record| router.emit(tag_for(Opentelemetry::RECORD_TYPE_TRACES), Fluent::EventTime.now, { "type" => Opentelemetry::RECORD_TYPE_TRACES, "message" => record }) }
      end
    end
  end

  if @grpc_config
    thread_create(:in_opentelemetry_grpc_server) do
      @grpc_handler = Opentelemetry::GrpcInputHandler.new(@grpc_config, log)
      @grpc_handler.run(
        logs: lambda { |record|
          router.emit(tag_for(Opentelemetry::RECORD_TYPE_LOGS), Fluent::EventTime.now, { "type" => Opentelemetry::RECORD_TYPE_LOGS, "message" => record })
        },
        metrics: lambda { |record|
          router.emit(tag_for(Opentelemetry::RECORD_TYPE_METRICS), Fluent::EventTime.now, { "type" => Opentelemetry::RECORD_TYPE_METRICS, "message" => record })
        },
        traces: lambda { |record|
          router.emit(tag_for(Opentelemetry::RECORD_TYPE_TRACES), Fluent::EventTime.now, { "type" => Opentelemetry::RECORD_TYPE_TRACES, "message" => record })
        }
      )
    end
  end
end

#stop ⇒ Object 



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# File 'lib/fluent/plugin/in_opentelemetry.rb', line 93

def stop
  @grpc_handler&.stop

  super
end