1- for the configuration file ( instance.yaml )
1a- gather information from AWS: access and secret Key
1b- on AWS: OS, image and region
1c- security_group and vpc_subnet_id
1d- key_pair ( use to remote access the newly created VM)
2- Run the Ansible playbooks
1- gather information from AWS: access and secret Key ( to allow remote script to create VM on AWS )
1a- access key
1b- secret key ( when a Access key is created, aws console will download on the laptop a cvs file with access and security key )
2- on AWS: OS, image and region
1b- AWS AMI or Amazon Machine Image
centos 7, ami-a042f4d8/us-west-2