Configurazione iniziale per cluster k8s su Proxmox

cloud-init-worker.yaml

@@ -0,0 +1,27 @@
+#cloud-config
+package_update: true
+package_upgrade: true
+packages:
+  - apt-transport-https
+  - ca-certificates
+  - curl
+  - containerd
+
+runcmd:
+  # Disabilita swap
+  - swapoff -a
+  - sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
+
+  # Carica moduli del kernel e imposta sysctl
+  - modprobe overlay
+  - modprobe br_netfilter
+  - sysctl -p
+
+  # Installa Kubernetes
+  - curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.29/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
+  - echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | tee /etc/apt/sources.list.d/kubernetes.list
+  - apt-get update
+  - apt-get install -y kubelet=${k8s_version} kubeadm=${k8s_version}
+  - apt-mark hold kubelet kubeadm
+
+  # Il passo finale (kubeadm join) andrà eseguito manualmente.