Merge pull request #48895 from DebarghoGhosh/clarify-scope-of-infra-4319

RHDEVDOCS-4319 - Clarify scope of infra

Author: JStickler

cicd/gitops/run-gitops-control-plane-workload-on-infra-nodes.adoc

@@ -6,9 +6,13 @@ include::_attributes/common-attributes.adoc[]
 
 toc::[]
 
-You can use infrastructure nodes to isolate infrastructure workloads for two primary purposes:
+You can use infrastructure nodes to prevent additional billing cost against subscription counts. 
 
-* Prevent incurring billing costs against subscription counts.
-* Separate maintenance and management.
+You can use the {product-title} to run certain workloads on infrastructure nodes installed by the {gitops-title} Operator. This comprises the workloads that are installed by the {gitops-title} Operator by default in the `openshift-gitops` namespace, including the default Argo CD instance in that namespace.
+
+[NOTE]
+====
+Any other Argo CD instances installed to user namespaces are not eligible to run on Infrastructure nodes.
+====
 
 include::modules/go-add-infra-nodes.adoc[leveloffset=+1]

modules/go-add-infra-nodes.adoc

@@ -4,7 +4,21 @@
 
 :_content-type: PROCEDURE
 [id="add-infra-nodes_{context}"]
-= Adding infrastructure nodes
+= Moving GitOps workloads to infrastructure nodes
+
+You can move the default workloads installed by the {gitops-title} to the infrastructure nodes. The workloads that can be moved are:
+
+* `kam deployment`
+* `cluster deployment` (backend service)
+* `openshift-gitops-applicationset-controller deployment`
+* `openshift-gitops-dex-server deployment`
+* `openshift-gitops-redis deployment`
+* `openshift-gitops-redis-ha-haproxy deployment`
+* `openshift-gitops-repo-sever deployment`
+* `openshift-gitops-server deployment`
+* `openshift-gitops-application-controller statefulset`
+* `openshift-gitops-redis-server statefulset`
+
 
 .Procedure
 
@@ -20,7 +34,7 @@ $ oc label node <node-name> node-role.kubernetes.io/infra=
 ----
 $ oc edit gitopsservice -n openshift-gitops
 ----
-. In the `GitOpsService` CR file, add `runOnInfra` toggle to the `spec` section and set it to `true`:
+. In the `GitOpsService` CR file, add `runOnInfra` field to the `spec` section and set it to `true`. This field moves the workloads in `openshift-gitops` namespace to the infrastructure nodes:
 +
 [source,yaml]
 ----