For more details about EC2 nodes, refer to the official documentation for the EC2 Management Console.
The geographical region in which to build your cluster.
The zone, an isolated location within a region to build your cluster
The instance type, which determines the hardware characteristics, used to provision your cluster.
Root Disk Size
Configure the size (in GB) for your root device.
IAM Instance Profile Name
The name of the [instance profile] used to pass an IAM role to an EC2 instance.
The Amazon Machine Image used for the nodes in your cluster.
SSH Username for AMI
The username for connecting to your launched instances. Refer to here for the default usernames to selected AMIs. For AMIs not listed, check with the AMI provider.
Choose the default security group or configure a security group.
Please refer to Amazon EC2 security group when using Node Driver to see what rules are created in the
rancher-nodes Security Group.
EBS Root Volume Type
The EBS volume type to use for the root device.
Encrypt EBS Volume
Enable Amazon EBS Encryption.
Request Spot Instance
Enable option to request spot instances and specify the maximum instance price per hour you're willing to pay.
Use only private address
Enable option on use only private addresses.
Use an EBS-optimized instance.
Allow access to EC2 metadata
Enable access to EC2 metadata.
Use tokens for metadata
Use Instance Metadata Service Version 2 (IMDSv2), a token-based method to access metadata.
Add metadata using tags to categorize resources.