add ubuntu_18_cloud_init img

create-template.sh

 #!/bin/bash
 
 # get the cloudinit ubuntu 22.04 img
-eval "wget https://cloud-images.ubuntu.com/minimal/releases/jammy/release/ubuntu-22.04-minimal-cloudimg-amd64.img"
-
-mv ubuntu-22.04-minimal-cloudimg-amd64.img ubuntu.img
-
+ubuntu_22="https://cloud-images.ubuntu.com/minimal/releases/jammy/release/ubuntu-22.04-minimal-cloudimg-amd64.img"
+ubuntu_18="https://cloud-images.ubuntu.com/minimal/releases/bionic/release-20230602/ubuntu-18.04-minimal-cloudimg-amd64.img"
+if [[ $1 == '18' ]]; then
+    echo $ubuntu_18
+    eval "wget $ubuntu_18"
+    mv ubuntu-18.04-minimal-cloudimg-amd64.img ubuntu.img
+elif [[ $1 == '22' ]]; then
+    eval "wget $ubuntu_22"
+    mv ubuntu-22.04-minimal-cloudimg-amd64.img ubuntu.img
+fi
 # Install libguestfs-tools on Proxmox server.
-apt-get install libguestfs-tools -y
+#apt-get install libguestfs-tools -y
 # Install qemu-guest-agent on Ubuntu image.
-virt-customize -a ubuntu.img --install qemu-guest-agent
+#virt-customize -a ubuntu.img --install qemu-guest-agent
 # to let vm will not get same ip address if using dhcp
-virt-customize -a ubuntu.img --run-command "echo -n > /etc/machine-id"
+#virt-customize -a ubuntu.img --run-command "echo -n > /etc/machine-id"