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1. We assume you have an existing parent domain i.e. example.com hosted on the same account as the cluster that we going to create in the coming section and you wish to access the cluster environment through the hostname. Terraform will create a subdomain in format <cluster_name>.<domain>.

   1. cluster name: uepe-oke

   2. domain: example.com

   3. final domain: uepe-oke.example.com

2. In addition, we also assume terraform is allowed to add a NS (NameServer) record to the parent domain. This is to allow DNS delegation from the parent domain to subdomain.

3. Please note that in case your parent domain is not under the same account or your parent domain is hosted in another cloud provider, then you must set auto_create_ns_record to false in the terraform template to disable subdomain NS record auto creation in parent domain.

4. The service hostname that created by Usage Engine Private Edition will be accessible in format <service_name>.<cluster_name>.<domain> i.e. desktop-online.uepe-oke.example.com.

5. Terraform needs to persist the state of your provisioned infrastructure, by default the state file is stored locally on the computer that terraform is executed from. However if you have multiple person working on the infrastructure then it is recommended to store the state file on remote persistent such as Object Storage, see https://docs.oracle.com/en-us/iaas/Content/API/SDKDocs/terraformUsingObjectStore.htm for more information.

6. We use the OCI File System service (NFS) as the default persistent storage for data needs to be persisted.

7. We use the OCI Managed PostgreSQL service for Usage Engine Private Edition database.

8. User Principle is used through out the entire installation. User must get ready with the private key file locally. User may create and download the private key via OCI console, through Profile | My Profile | API keys | Add API key.

Create Basic Cluster and additional infrastructure

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