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

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

Constant Summary collapse

SECRET_KEYS = 
%w[
  api_key secret_key bearer_token session_token auth_token authorization password
].freeze

Class Method Summary collapse

Class Method Details

.config_value(config, key, default = nil) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 89

def self.config_value(config, key, default = nil)
  return default unless config.respond_to?(:key?)

  string_key = key.to_s
  return config[string_key] if config.key?(string_key)

  config.key?(key) ? config[key] : default
end

.enabled_provider_config?(config) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/llm/api/native/providers.rb', line 85

def self.enabled_provider_config?(config)
  config.is_a?(Hash) && config_value(config, :enabled, true) != false
end

.find_provider_config(name) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 80

def self.find_provider_config(name)
  providers = settings_value(:providers, {})
  providers[name.to_sym] || providers[name.to_s]
end

.provider_health(name) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 119

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

.redact_value(value) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 108

def self.redact_value(value)
  case value
  when Hash
    safe_config(value)
  when Array
    value.map { |entry| redact_value(entry) }
  else
    value
  end
end

.registered(app) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 16

def self.registered(app)
  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::API::Native::Providers.settings_value(:providers, {})
    provider_list = providers_config.filter_map do |name, config|
      next unless Legion::LLM::API::Native::Providers.enabled_provider_config?(config)

      provider_name = name.to_s

      {
        name:          provider_name,
        enabled:       true,
        default_model: Legion::LLM::API::Native::Providers.config_value(config, :default_model),
        health:        Legion::LLM::API::Native::Providers.provider_health(provider_name),
        native:        Legion::LLM::Call::Registry.registered?(provider_name.to_sym)
      }
    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!

    provider_name = params[:name].to_s
    provider_config = Legion::LLM::API::Native::Providers.find_provider_config(provider_name)

    unless Legion::LLM::API::Native::Providers.enabled_provider_config?(provider_config)
      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

    log.debug("[llm][api][providers] action=found name=#{params[:name]}")
    json_response({
                    name:          provider_name,
                    enabled:       true,
                    default_model: Legion::LLM::API::Native::Providers.config_value(provider_config, :default_model),
                    health:        Legion::LLM::API::Native::Providers.provider_health(provider_name),
                    native:        Legion::LLM::Call::Registry.registered?(provider_name.to_sym),
                    config:        Legion::LLM::API::Native::Providers.safe_config(provider_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

.safe_config(config) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 102

def self.safe_config(config)
  config.each_with_object({}) do |(key, value), safe|
    safe[key] = redact_value(value) unless SECRET_KEYS.include?(key.to_s)
  end
end

.settings_value(key, default = nil) ⇒ Object 



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# File 'lib/legion/llm/api/native/providers.rb', line 98

def self.settings_value(key, default = nil)
  Legion::LLM::Settings.value(key, default: default)
end