module Datadog::Tracing::Contrib::Rails::LogInjection

def configure_log_tags(app_config)

Use `app.config.log_tags` to inject propagation tags into the default Rails logger. 
def configure_log_tags(app_config)
  # When using SemanticLogger, app_config.log_tags could be a Hash and should not be modified here
  return unless app_config.log_tags.nil? || app_config.log_tags.respond_to?(:<<)
  app_config.log_tags ||= [] # Can be nil, we initialized it if so
  app_config.log_tags << proc { Tracing.log_correlation if Datadog.configuration.tracing.log_injection }
rescue StandardError => e
  Datadog.logger.warn(
    "Unable to add Datadog Trace context to ActiveSupport::TaggedLogging: #{e.class.name} #{e.message}"
  )
  false
end