(DOCSP-10343) Add Helm v3 support

Author: Anthony Sansone

source/tutorial/plan-k8s-operator-install.txt

@@ -155,49 +155,62 @@ Setting the namespace ensures that:
 Cluster-Wide Scope
 ~~~~~~~~~~~~~~~~~~
 
-You scope the |k8s-op-short| to a cluster. The |k8s-op-short| watches 
+You scope the |k8s-op-short| to a cluster. The |k8s-op-short| watches
 |onprem| and |k8s-mdbrscs| in all |k8s-nss| in the |k8s| cluster.
 
 .. important::
 
-   You can deploy only one Operator with a cluster-wide scope per |k8s| 
+   You can deploy only one Operator with a cluster-wide scope per |k8s|
    cluster.
 
-You must use ``helm`` to install the |k8s-op-short| with this scope. 
-Follow the relevant ``helm`` :ref:`installation instructions <install-k8s-operator>`,
-but make the following adjustments:
+You must use ``helm`` to install the |k8s-op-short| with this scope.
+Follow the relevant ``helm``
+:ref:`installation instructions <install-k8s-operator>`, but make the
+following adjustments:
 
-1. Use the following command to set the |k8s-op-short| to watch all 
-   namespaces:
+1. To set the |k8s-op-short| to watch all namespaces, Invoke the
+   following command:
 
    .. code-block:: sh
 
-      helm template --set operator.watchNamespace=* \ 
+      helm template --set operator.watchNamespace=* \
       helm_chart | kubectl apply -f -
 
-2. Create the required service accounts for each namespace where you 
+2. Create the required service accounts for each namespace where you
    want to deploy |onprem| and |k8s-mdbrscs|:
 
-   .. code-block:: sh
-      
-      helm template --set namespace=<namespace> \
-      helm_chart -x templates/database-roles.yaml | kubectl apply -f -
+   .. tabs::
+
+      .. tab:: Helm v2
+         :tabid: helm2
+
+         .. code-block:: sh
+
+            helm template --set namespace=<namespace> \
+            helm_chart -x templates/database-roles.yaml | kubectl apply -f -
+
+      .. tab:: Helm v3
+         :tabid: helm3
+
+         .. code-block:: sh
+
+            helm template --set namespace=<namespace> \
+            helm_chart --show-only templates/database-roles.yaml | kubectl apply -f -
 
 Customize the CustomResourceDefinitions the |k8s-op-short| Watches
 ------------------------------------------------------------------
 
-Earlier versions of the |k8s-op-short| would crash on start up if 
-any one of the MongoDB |k8s-crds| was not present in the cluster. 
-For instance, you had to install the CustomResourceDefinition for 
-|onprem| even if you did not plan to deploy it with the |k8s-op-short|.
+Earlier versions of the |k8s-op-short| would crash on start up if any
+one of the MongoDB |k8s-crds| was not present in the cluster. For
+instance, you had to install the CustomResourceDefinition for |onprem|
+even if you did not plan to deploy it with the |k8s-op-short|.
 
-You can now specify which custom resources you want the 
-|k8s-op-short| to watch. This allows you to install the 
-CustomResourceDefinition for only the resources that you want the 
-|k8s-op-short| to manage.
+You can now specify which custom resources you want the |k8s-op-short|
+to watch. This allows you to install the CustomResourceDefinition for
+only the resources that you want the |k8s-op-short| to manage.
 
-You must use ``helm`` to configure the |k8s-op-short| to watch only the 
-custom resources you specify. Follow the relevant ``helm`` 
+You must use ``helm`` to configure the |k8s-op-short| to watch only the
+custom resources you specify. Follow the relevant ``helm``
 :ref:`installation instructions <install-k8s-operator>`,
 but make the following adjustments: