kubespray/inventory/sample/group_vars/all/azure.yml

## When azure is used, you need to also set the following variables.
## see docs/azure.md for details on how to get these values

#azure_tenant_id:
#azure_subscription_id:
#azure_aad_client_id:
#azure_aad_client_secret:
#azure_resource_group:
#azure_location:
#azure_subnet_name:
#azure_security_group_name:
#azure_vnet_name:
#azure_vnet_resource_group:
#azure_route_table_name: