Merge pull request #26725 from kalexand-rh/upi_ipi

adding UPI and IPI to the tern glossary

Author: kalexand-rh

contributing_to_docs/term_glossary.adoc

@@ -263,6 +263,16 @@ Usage: Ingress Controller(s)
 A resource that forwards traffic to endpoints of Services. The Ingress Controller
 replaces router from {product-title} 3 and earlier.
 
+''''
+=== installer-provisioned infrastructure
+
+Usage: installer-provisioned infrastructure
+
+If the installation program deploys and configures the infrastructure that the
+cluster runs on, it is an installer-provisioned infrastructure installation.
+
+Do not use: IPI
+
 == K
 
 ''''
@@ -544,4 +554,17 @@ ObjectMeta.Name.
 
 See link:https://kubernetes.io/docs/concepts/storage/storage-classes/[Storage Classes - Kubernetes].
 
+== U
+
+''''
+=== user-provisioned infrastructure
+
+Usage: user-provisioned infrastructure
+
+If the user must deploy and configure separate virtual or physical hosts as part of
+the cluster deployment process, it is a user-provisioned infrastructure
+installation.
+
+Do not use: UPI
+
 ''''