cm4-k8s-node: Add group

The Raspberry Pi CM4 nodes on the DeskPi Super 6c cluster board are
members of the _cm4-k8s-node_ group.  This group is a child of
_k8s-node_ which overrides the data volume configuration and node
labels.

group_vars/cm4-k8s-node.yml

@@ -0,0 +1,19 @@
+logical_volumes:
+  kubernetes:
+    pvs:
+    - /dev/nvme0n1
+    lvs:
+    - name: containers
+      size: 64G
+    - name: kubelet
+      size: 32G
+
+data_volumes:
+- dev: /dev/kubernetes/containers
+  fstype: ext4
+  mountpoint: /var/lib/containers
+- dev: /dev/kubernetes/kubelet
+  fstype: ext4
+  mountpoint: /var/lib/kubelet
+
+k8s_node_labels: {}

hosts

@@ -29,6 +29,8 @@ git0.pyrocufflink.blue
 kubelet
 pyrocufflink
 
+[cm4-k8s-node]
+
 [collectd]
 
 [collectd:children]
@@ -108,6 +110,7 @@ node-gleaming.k8s.pyrocufflink.black
 node-hatbox.k8s.pyrocufflink.black
 
 [k8s-node:children]
+cm4-k8s-node
 k8s-longhorn
 k8s-iot-net-ctrl
 k8s-test