diff --git a/group_vars/raspberry-pi.yml b/group_vars/raspberry-pi.yml
new file mode 100644
index 0000000..010a4ed
--- /dev/null
+++ b/group_vars/raspberry-pi.yml
@@ -0,0 +1,2 @@
+collectd_plugins:
+  thermal: true
diff --git a/hosts b/hosts
index 2673173..b7d86d4 100644
--- a/hosts
+++ b/hosts
@@ -199,9 +199,13 @@ web0.pyrocufflink.blue
 samba-dc
 
 [raspberry-pi]
+ctrl-2ed8d3.k8s.pyrocufflink.black
 node-474c83.k8s.pyrocufflink.black
 nut1.pyrocufflink.blue
 
+[raspberry-pi:children]
+cm4-k8s-node
+
 [remote-blackbox]
 vps-04485add.vps.ovh.us