# File lib/AWS/EC2/instances.rb, line 184 184: def reboot_instances( options = {} ) 185: options = { :instance_id => [] }.merge(options) 186: raise ArgumentError, "No instance IDs provided" if options[:instance_id].nil? || options[:instance_id].empty? 187: params = pathlist("InstanceId", options[:instance_id]) 188: return response_generator(:action => "RebootInstances", :params => params) 189: end