Wait until a particular condition is satisfied.Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/opsworks-cm/wait.html
| aws opsworks-cm wait node-associated --region |
| Adding Nodes Automatically in OpsWorks for Puppet Enterprise - AWS OpsWorks : http://docs.aws.amazon.com/opsworks/latest/userguide/opspup-unattend-assoc.html |