🌱 Update examples & code snippets in Cluster API book to v1beta2 for Cluster (#12483)

* update doc for Cluster

Signed-off-by: sivchari <[email protected]>

* fix review findings

Signed-off-by: sivchari <[email protected]>

* address review comment

Signed-off-by: sivchari <[email protected]>

* update docs again

Signed-off-by: sivchari <[email protected]>

---------

Signed-off-by: sivchari <[email protected]>

Author: sivchari

docs/book/src/developer/providers/getting-started/building-running-and-testing.md

@@ -140,7 +140,7 @@ You best watch the Kubernetes pods with something like `k9s -A` or `watch kubect
 Let's try our cluster out. We'll make some simple YAML:
 
 ```yaml
-apiVersion: cluster.x-k8s.io/v1beta1
+apiVersion: cluster.x-k8s.io/v1beta2
 kind: Cluster
 metadata:
   name: hello-mailgun
@@ -149,7 +149,7 @@ spec:
     pods:
       cidrBlocks: ["192.168.0.0/16"]
   infrastructureRef:
-    apiVersion: infrastructure.cluster.x-k8s.io/v1alpha1
+    apiGroup: infrastructure.cluster.x-k8s.io
     kind: MailgunCluster
     name: hello-mailgun
 ---

docs/book/src/security/pod-security-standards.md

@@ -195,15 +195,16 @@ It is also possible to disable this patch or configure different levels for the
 using variables.
 
 ```yaml
-apiVersion: cluster.x-k8s.io/v1beta1
+apiVersion: cluster.x-k8s.io/v1beta2
 kind: Cluster
 metadata:
   name: "my-cluster"
 spec:
   ...
   topology:
     ...
-    class: my-secure-cluster-class
+    classRef:
+      name: my-secure-cluster-class
     variables:
     - name: podSecurityStandard
       value: 

docs/book/src/tasks/bootstrap/kubeadm-bootstrap/index.md

@@ -22,13 +22,13 @@ metadata:
   name: my-cluster-docker
 ---
 kind: Cluster
-apiVersion: cluster.x-k8s.io/v1beta1
+apiVersion: cluster.x-k8s.io/v1beta2
 metadata:
   name: my-cluster
 spec:
   infrastructureRef:
     kind: DockerCluster
-    apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
+    apiGroup: infrastructure.cluster.x-k8s.io
     name: my-cluster-docker
 ```
 

docs/book/src/tasks/bootstrap/microk8s-bootstrap.md

@@ -13,11 +13,11 @@ Cluster API bootstrap provider MicroK8s (CABPM) is a component responsible for g
 MicroK8s defines a `MicroK8sControlPlane` definition as well as the `MachineDeployment` to configure the control plane and worker nodes respectively. The `MicroK8sControlPlane` is linked in the cluster definition as shown in the following example:
 
 ```yaml
-apiVersion: cluster.x-k8s.io/v1beta1
+apiVersion: cluster.x-k8s.io/v1beta2
 kind: Cluster
 spec:
   controlPlaneRef:
-    apiVersion: controlplane.cluster.x-k8s.io/v1beta1
+    apiGroup: controlplane.cluster.x-k8s.io
     kind: MicroK8sControlPlane
     name: capi-aws-control-plane
 ```

docs/book/src/tasks/experimental-features/cluster-class/operate-cluster.md

@@ -39,7 +39,8 @@ The patch will make the following change to the Cluster yaml:
 ```diff 
    spec:
      topology:
-      class: quick-start
+      classRef:
+        name: quick-start
 +     version: v1.22.0
 -     version: v1.21.2 
 ```

docs/book/src/tasks/experimental-features/runtime-sdk/implement-topology-mutation-hook.md

@@ -133,7 +133,7 @@ Note: We enforce that variable conflicts have to be resolved by ClusterClass aut
 Variables that are defined with external variable definitions can be set like regular variables in Cluster `.spec.topology.variables`.
 
 ```yaml
-apiVersion: cluster.x-k8s.io/v1beta1
+apiVersion: cluster.x-k8s.io/v1beta2
 kind: Cluster
 #metadata 
 spec:

docs/book/src/tasks/using-kustomize.md

@@ -123,7 +123,7 @@ Add the following content to the `namereference.yaml` transformer configuration:
 ```yaml
 - kind: Cluster
   group: cluster.x-k8s.io
-  version: v1alpha3
+  version: v1beta2
   fieldSpecs:
   - path: spec/clusterName
     kind: MachineDeployment

docs/book/src/tasks/workload-bootstrap-gitops.md

@@ -14,7 +14,7 @@ Follow the quickstart setup guide for your provider but ensure that CAAPH is ins
 Add the labels `argoCDChart: enabled` and `guestbook: enabled` to your desired workload cluster yaml file in the `Cluster` metadata section, for example:
 
 ```yaml
-apiVersion: cluster.x-k8s.io/v1beta1
+apiVersion: cluster.x-k8s.io/v1beta2
 kind: Cluster
 metadata:
   name: my-cluster