OCPBUGS#11363: Expose the node port for the application

Author: xenolinux

modules/nw-exposing-service.adoc

@@ -72,18 +72,28 @@ HTTP/1.1 200 OK
 
 endif::nodeport[]
 ifdef::nodeport[]
-. To expose a node port for the application, enter the following command. {product-title} automatically selects an available port in the `30000-32767` range.
+. To expose a node port for the application, modify the custom resource definition (CRD) of a service by entering the following command:
 +
 [source,terminal]
 ----
-$ oc expose service nodejs-ex  --type=NodePort --name=nodejs-ex-nodeport --generator="service/v2"
+$ oc edit svc <service_name>
 ----
 +
 .Example output
-[source,terminal]
+[source,yaml]
 ----
-service/nodejs-ex-nodeport exposed
+spec:
+  ports:
+  - name: 8443-tcp
+    nodePort: 30327 <1>
+    port: 8443
+    protocol: TCP
+    targetPort: 8443
+  sessionAffinity: None
+  type: NodePort <2>
 ----
+<1> Optional: Specify the node port range for the application. By default, {product-title} selects an available port in the `30000-32767` range.
+<2> Define the service type.
 
 . Optional: To confirm the service is available with a node port exposed, enter the following command:
 +
@@ -106,6 +116,24 @@ nodejs-ex-ingress   NodePort    172.30.107.72    <none>        3306:31345/TCP
 ----
 $ oc delete svc nodejs-ex
 ----
+
+.Verification
+
+* To check that the service node port is updated with a port in the `30000-32767` range, enter the following command:
++
+[source,terminal]
+----
+$ oc get svc
+----
++
+In the following example output, the updated port is `30327`:
++
+.Example output
+[source,terminal]
+----
+NAME    TYPE       CLUSTER-IP      EXTERNAL-IP   PORT(S)          AGE
+httpd   NodePort   172.xx.xx.xx    <none>        8443:30327/TCP   109s
+----
 endif::nodeport[]
 
 //Potentially add verification step, "If a verification step is needed, it would