Module: OpenTelemetry::Instrumentation::RubyLLM::Patches::Chat

Defined in:
lib/opentelemetry/instrumentation/ruby_llm/patches/chat.rb

Instance Method Summary collapse

Instance Method Details

#complete ⇒ Object 



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# File 'lib/opentelemetry/instrumentation/ruby_llm/patches/chat.rb', line 13

def complete(&)
  provider = @model&.provider || "unknown"
  model_id = @model&.id || "unknown"

  attributes = {
    "gen_ai.operation.name" => "chat",
    "gen_ai.provider.name" => provider,
    "gen_ai.request.model" => model_id,
  }
  # Per GenAI semconv: set `gen_ai.request.stream` if and only if
  # the request is streaming. Absence means non-streaming.
  attributes["gen_ai.request.stream"] = true if block_given?

  tracer.in_span("chat #{model_id}", attributes: attributes, kind: OpenTelemetry::Trace::SpanKind::CLIENT) do |span|
    begin
      result = super
    rescue => e
      span.record_exception(e)
      span.status = OpenTelemetry::Trace::Status.error(e.message)
      span.set_attribute("error.type", e.class.name)
      raise
    end

    if @messages.last
      response = @messages.last
      span.set_attribute("gen_ai.response.model", response.model_id) if response.model_id
      span.set_attribute("gen_ai.usage.input_tokens", response.input_tokens) if response.input_tokens
      span.set_attribute("gen_ai.usage.output_tokens", response.output_tokens) if response.output_tokens
      span.set_attribute("gen_ai.request.temperature", @temperature) if @temperature

      # Prompt-cache token accessors were added in ruby_llm 1.9.0 (commit 869a755f).
      if response.respond_to?(:cached_tokens) && response.cached_tokens
        span.set_attribute("gen_ai.usage.cache_read.input_tokens", response.cached_tokens)
      end

      # Prompt-cache token accessors were added in ruby_llm 1.9.0 (commit 869a755f).
      if response.respond_to?(:cache_creation_tokens) && response.cache_creation_tokens
        span.set_attribute("gen_ai.usage.cache_creation.input_tokens", response.cache_creation_tokens)
      end

      if capture_content?
        system_messages = @messages.select { |m| m.role == :system }
        input_messages = @messages[0..-2].reject { |m| m.role == :system }

        unless system_messages.empty?
          span.set_attribute("gen_ai.system_instructions", format_system_instructions(system_messages))
        end

        span.set_attribute("gen_ai.input.messages", format_messages(input_messages))
        span.set_attribute("gen_ai.output.messages", format_messages([response]))
      end
    end

    @otel_attributes&.each { |key, value| span.set_attribute(key, value.respond_to?(:call) ? value.call : value) }

    result
  end
end

#execute_tool(tool_call) ⇒ Object 



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# File 'lib/opentelemetry/instrumentation/ruby_llm/patches/chat.rb', line 72

def execute_tool(tool_call)
  attributes = {
    "gen_ai.operation.name" => "execute_tool",
    "gen_ai.tool.name" => tool_call.name,
    "gen_ai.tool.call.id" => tool_call.id,
    "gen_ai.tool.call.arguments" => tool_call.arguments.to_json,
    "gen_ai.tool.type" => "function",
    "gen_ai.tool.description" => tools[tool_call.name.to_sym]&.description
  }.compact

  tracer.in_span("execute_tool #{tool_call.name}", attributes: attributes, kind: OpenTelemetry::Trace::SpanKind::INTERNAL) do |span|
    begin
      result = super
    rescue => e
      span.record_exception(e)
      span.status = OpenTelemetry::Trace::Status.error(e.message)
      span.set_attribute("error.type", e.class.name)
      raise
    end

    # `RubyLLM::Tool::Halt#to_s` returns `@content.to_s`, so a single
    # `to_s` covers both the Halt and plain-result cases.
    span.set_attribute("gen_ai.tool.call.result", result.to_s[0..500])

    result
  end
end

#with_otel_attributes(attributes) ⇒ Object 



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# File 'lib/opentelemetry/instrumentation/ruby_llm/patches/chat.rb', line 8

def with_otel_attributes(attributes)
  @otel_attributes = attributes
  self
end