| cluster_name | Name of the DC/OS cluster |  | true |  | 
| dcos_instance_os | Operating system to use. Instead of using your own AMI you could use a provided OS. |  | false |  | 
| disk_size | Disk Size in GB |  | true |  | 
| disk_type | Disk Type to Leverage The GCE disk type. Can be either 'pd-ssd', 'local-ssd', or 'pd-standard'. (optional) |  | true |  | 
| hostname_format | Format the hostname inputs are index+1, region, cluster_name |  | false |  | 
| image | Source image to boot from |  | true |  | 
| labels | Add custom labels to all resources | map | false |  | 
| machine_type | Instance Type |  | true |  | 
| master_subnetwork_name | Master Subnetwork Name |  | true |  | 
| num_masters | Specify the amount of masters. For redundancy you should have at least 3 |  | true |  | 
| public_ssh_key | SSH Public Key |  | true |  | 
| ssh_user | SSH User |  | true |  | 
| tags | Add custom tags to all resources | list | false |  | 
| user_data | User data to be used on these instances (cloud-init) |  | false |  | 
| writeConnectionSecretToRef | The secret which the cloud resource connection will be written to | writeConnectionSecretToRef | false |  | 
| zone_list | Element by zone list | list | false |  |