Update docs to use microk8s rbac (#14)

* Update docs to use microk8s rbac

* Update end-to-end to emphasize that rbac is optional

* Update user guide to emphasize that rbac is optional

docs/end-to-end-demo.md

@@ -35,6 +35,10 @@ This demo will demonstrate end to end Akri flow, all the way from discovering lo
     ```sh
     microk8s enable dns
     ```
+1. Optionally enable rbac.
+    ```sh
+    microk8s enable rbac
+    ```
 1. Enable privileged pods and restart microk8s.
     ```sh
     echo "--allow-privileged=true" >> /var/snap/microk8s/current/args/kube-apiserver

docs/rpi4-demo.md

@@ -114,12 +114,12 @@ This demo will demonstrate how to get Akri working on a **Raspberry Pi 4**, all
     ```sh
     kubectl delete service akri-video-streaming-app
     kubectl delete deployment akri-video-streaming-app
-    watch microk8s kubectl get pods
+    watch kubectl get pods
     ```
 1. Delete the configuration and watch the instances, pods, and services be deleted.
     ```sh
     kubectl delete akric akri-udev-video
-    watch microk8s kubectl get pods,services,akric,akrii -o wide
+    watch kubectl get pods,services,akric,akrii -o wide
     ```
 1. Bring down the Akri Agent, Controller, and CRDs.
     ```sh

docs/user-guide.md

@@ -7,7 +7,15 @@ To get started using Akri, you must first decide what you want to discover and w
 ### Setting up your cluster
 1. Before deploying Akri, you must have a Kubernetes cluster running and `kubectl` installed. All nodes must be Linux. All of the Akri component containers are currently built for amd64 or arm64v8, so all nodes must have one of these platforms.
 
-If you are using [MicroK8s](https://microk8s.io/docs), be sure to allow privileged pods and label the master node:
+If you are using [MicroK8s](https://microk8s.io/docs), enable dns and rbac, allow privileged pods and label the master node:
+1. Enable dns.
+    ```sh
+    microk8s enable dns
+    ```
+1. Optionally enable rbac.
+    ```sh
+    microk8s enable rbac
+    ```
 1. Enable privileged pods and restart MicroK8s.
     ```sh
     echo "--allow-privileged=true" >> /var/snap/microk8s/current/args/kube-apiserver
@@ -57,4 +65,4 @@ kubectl label node $HOSTNAME node-role.kubernetes.io/master= --overwrite=true
     ```
 
 ### Modifying your Akri installation
-See the [Modifying a Akri Installation document](./modifying-akri-installation.md) for more information on how to modify your already deployed Akri installation.
+See the [Modifying a Akri Installation document](./modifying-akri-installation.md) for more information on how to modify your already deployed Akri installation.