Module: LlmCostTracker::Tracker

Defined in:
lib/llm_cost_tracker/tracker.rb

Constant Summary collapse

EVENT_NAME = 
"llm_request.llm_cost_tracker"

Class Method Summary collapse

Class Method Details

.build_tags(context_tags:, metadata:) ⇒ Object 



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# File 'lib/llm_cost_tracker/tracker.rb', line 53

def build_tags(context_tags:, metadata:)
  resolved = (context_tags || LlmCostTracker::Tags::Context.tags).to_h
  sanitized_metadata = LlmCostTracker::Tags::Sanitizer.call(metadata.to_h)
  LlmCostTracker::Tags::Sanitizer.cap(resolved.merge(sanitized_metadata)).freeze
end

.record(event:, latency_ms: nil, metadata: {}, context_tags: nil, enforce_budget: false) ⇒ Object 



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# File 'lib/llm_cost_tracker/tracker.rb', line 16

def record(event:, latency_ms: nil, metadata: {}, context_tags: nil, enforce_budget: false)
  return unless LlmCostTracker.configuration.enabled

  calculation = Pricing::Calculation.for(
    provider: event.provider,
    model: event.model,
    tokens: event.token_usage,
    line_items: event.line_items,
    pricing_mode: event.pricing_mode,
    usage_source: event.usage_source
  )

  tags = build_tags(context_tags: context_tags, metadata: metadata)

  if calculation.token_cost.nil? && event.token_usage.total_tokens.positive? &&
     calculation.priced_line_items.none?(&:priced?)
    Pricing::Unknown.process(event.model, pricing_mode: calculation.mode)
  end

  event = build_event(event: event, calculation: calculation, tags: tags, latency_ms: latency_ms)

  if Ingestion.async?
    Ingestion::Inbox.save(event)
    Ingestion::Worker.ensure_started
  else
    Ledger::Store.insert(event)
  end

  yield if block_given?
  notify_subscribers(event)
  behavior_override = :raise if enforce_budget
  Budget.check!(event, behavior_override: behavior_override)
  Budget.check_persisted!([event], behavior_override: behavior_override) unless Ingestion.async?

  event
end