Module: Legion::LLM::API::Native::Providers

Extended by:
Legion::Logging::Helper
Defined in:
lib/legion/llm/api/native/providers.rb

Class Method Summary collapse

Class Method Details

.registered(app) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/legion/llm/api/native/providers.rb', line 12

def self.registered(app) # rubocop:disable Metrics/MethodLength
  log.debug('[llm][api][providers] registering provider routes')

  app.get '/api/llm/providers' do
    log.debug('[llm][api][providers] action=list_providers')
    require_llm!

    providers_config = Legion::LLM.settings.fetch(:providers, {})
    provider_list = providers_config.filter_map do |name, config|
      next unless config.is_a?(Hash) && config[:enabled] != false

      health = if Legion::LLM::Router.routing_enabled?
                 tracker = Legion::LLM::Router.health_tracker
                 { circuit_state: tracker.circuit_state(name).to_s,
                   adjustment:    tracker.adjustment(name) }
               else
                 { circuit_state: 'unknown' }
               end

      {
        name:          name.to_s,
        enabled:       true,
        default_model: config[:default_model],
        health:        health,
        native:        Legion::LLM::Call::Registry.registered?(name)
      }
    end

    summary = {
      total:           provider_list.size,
      native:          provider_list.count { |p| p[:native] },
      routing_enabled: Legion::LLM::Router.routing_enabled?
    }

    log.debug("[llm][api][providers] action=listed count=#{provider_list.size}")
    json_response({ providers: provider_list, summary: summary })
  rescue StandardError => e
    handle_exception(e, level: :error, handled: true, operation: 'llm.api.providers.list')
    json_error('provider_error', e.message, status_code: 500)
  end

  app.get '/api/llm/providers/:name' do
    log.debug("[llm][api][providers] action=get_provider name=#{params[:name]}")
    require_llm!

    name = params[:name].to_sym
    config = Legion::LLM.settings.dig(:providers, name)

    unless config.is_a?(Hash) && config[:enabled] != false
      log.debug("[llm][api][providers] action=not_found name=#{params[:name]}")
      halt json_error('provider_not_found', "Provider '#{params[:name]}' not found or disabled", status_code: 404)
    end

    health = if Legion::LLM::Router.routing_enabled?
               tracker = Legion::LLM::Router.health_tracker
               { circuit_state: tracker.circuit_state(name).to_s,
                 adjustment:    tracker.adjustment(name) }
             else
               { circuit_state: 'unknown' }
             end

    safe_config = config.except(:api_key, :secret_key, :bearer_token, :session_token)

    log.debug("[llm][api][providers] action=found name=#{params[:name]}")
    json_response({
                    name:          name.to_s,
                    enabled:       true,
                    default_model: config[:default_model],
                    health:        health,
                    native:        Legion::LLM::Call::Registry.registered?(name),
                    config:        safe_config
                  })
  rescue StandardError => e
    handle_exception(e, level: :error, handled: true, operation: 'llm.api.providers.get')
    json_error('provider_error', e.message, status_code: 500)
  end

  log.debug('[llm][api][providers] provider routes registered')
end