An Azure subscription is needed to create and manage cluster on Azure. The following criteria must be met:
- An Azure subscription.
- A Stakater user (ask Stakater team for the email to use for this user) with privileges to create an application in Azure AD (Recommended). Create a Service Principal to be used by SAAP installer if you do not want to give permissions to Azure AD.
- Resource limits must be applied on the subscription and the following resources must be allowed to be created.
|Virtual Machines||Varies. The limit should be 12 initially. (Initial deployment is 3 control plane + 3 infra + 3 worker)|
|Regional vCPUs||The limit should be A x B x 2 , where A = no. of VMS (worker + infra + control plane), B = vCPUs per VM)|
|Public IP addresses||5|
|Private IP Addresses||7|
|Network Load Balancers||3|
|StandardStorageSnapshots||10000 (depends on how many disks are used) and backup duration|
|Machine Specifications||6 machines of 8x32x120G|
|Region||Region will be identified by the customer|
Node autoscaling is available on Azure. You can configure the autoscaler option to automatically scale the number of machines in a cluster.