Add cloudinit docs

terraform/README.md

@@ -3,3 +3,30 @@
 ```bash
 source ./secret/login.sh
 ```
+
+# How to create Cloudinit template
+
+Download the ubuntu cloud image `img` file: https://cloud-images.ubuntu.com/  
+(It should work with debian)
+
+Setup
+
+```bash
+export STORAGE_POOL="ssd"
+export VM_ID="10000"
+export VM_NAME="ubuntu-cloudinit-20.04"
+export CLOUD_IMG_FILE="focal-server-cloudimg-amd64.img"
+
+qm create $VM_ID -name $VM_NAME -memory 1024 -net0 virtio,bridge=vmbr0 -cores 1 -sockets 1
+qm importdisk $VM_ID $CLOUD_IMG_FILE $STORAGE_POOL
+qm set $VM_ID -scsihw virtio-scsi-pci -virtio0 ssd:vm-$VM_ID-disk-0
+qm set $VM_ID -serial0 socket
+qm set $VM_ID -boot c -bootdisk virtio0
+qm set $VM_ID -agent 1
+qm set $VM_ID -agent 1
+qm set $VM_ID -hotplug network,usb
+qm set $VM_ID -vga qxl
+qm set $VM_ID -ide2 ssd:cloudinit
+qm resize $VM_ID virtio0 +4G
+qm template $VM_ID
+```