OSSMDOC-690: service mesh installation and upgrade tasks

Author: rh-tokeefe

modules/ossm-upgrade-21-22-changes.adoc

@@ -11,4 +11,4 @@ Upgrading the {SMProductShortName} control plane from version 2.1 to 2.2 introdu
 
 * Istio 1.10 updated Envoy to send traffic to the application container using `eth0` rather than `lo` by default.
 
-* This release adds support for the `WasmPlugin` API and deprecates the `ServiceMeshExtention` API.
+* This release adds support for the `WasmPlugin` API and deprecates the `ServiceMeshExtension` API.

modules/ossm-upgrade-22-23-changes.adoc

@@ -0,0 +1,10 @@
+// Module included in the following assemblies:
+// * service_mesh/v2x/upgrading-ossm.adoc
+
+:_content-type: CONCEPT
+[id="ossm-upgrade-22-23-changes_{context}"]
+= Upgrade changes from version 2.2 to version 2.3
+
+Upgrading the {SMProductShortName} control plane from version 2.2 to 2.3 introduces the following behavioral changes:
+
+* This release requires use of the `WasmPlugin` API. Support for the `ServiceMeshExtension` API, which was deprecated in 2.2, has now been removed. If you attempt to upgrade while using the `ServiceMeshExtension` API, then the upgrade fails.

service_mesh/v2x/upgrading-ossm.adoc

@@ -34,10 +34,11 @@ When you upgrade the service mesh control plane, all Operator managed resources,
 
 Although you can deploy multiple versions of the control plane in the same cluster, {SMProductName} does not support canary upgrades of the service mesh. That is, you can have different SCMP resources with different values for `spec.version`, but they cannot be managing the same mesh.
 
-include::modules/ossm-upgrade-21-22-changes.adoc[leveloffset=+2]
-
 For more information about migrating your extensions, refer to xref:../../service_mesh/v2x/ossm-extensions.adoc#ossm-extensions-migration-overview_ossm-extensions[Migrating from ServiceMeshExtension to WasmPlugin resources].
 
+include::modules/ossm-upgrade-22-23-changes.adoc[leveloffset=+2]
+
+include::modules/ossm-upgrade-21-22-changes.adoc[leveloffset=+2]
 
 include::modules/ossm-upgrade-20-21-changes.adoc[leveloffset=+2]