[Proxmox] Generates VMs via cloudinit.

proxmox_cloudinit_generator.sh

#!/bin/bash

TEMPLATE_ID=9000
DISK_EXPAND_SIZE="+10G"
VMID=301
VMNAME=freetacos
VM_MEMORY=2048
IP_GATEWAY="10.0.8.1"
IP_RANGE="10.0.8.223/24"

echo "directions from https://norocketscience.at/deploy-proxmox-virtual-machines-using-cloud-init/

if [ ! -f "bionic-server-cloudimg-amd64.img" ]; then
  wget https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img
  cp ./bionic-server-cloudimg-amd64.img ./bionic-server-cloudimg-amd64.qcow2
else
  echo "[Skipped Download!] img already exists."
fi

qm stop ${TEMPLATE_ID}
qm destroy ${TEMPLATE_ID}

# Create the cloud-init template
qm create ${TEMPLATE_ID} --name "${VMNAME}-cloudinit" --memory ${VM_MEMORY} --net0 virtio,bridge=vmbr0
qm importdisk ${TEMPLATE_ID} bionic-server-cloudimg-amd64.qcow2 local-lvm
qm set ${TEMPLATE_ID} --scsihw virtio-scsi-pci --scsi0 local-lvm:vm-${TEMPLATE_ID}-disk-0
qm set ${TEMPLATE_ID} --ide2 local-lvm:cloudinit
qm set ${TEMPLATE_ID} --boot c --bootdisk scsi0
qm set ${TEMPLATE_ID} --serial0 socket --vga serial0
qm template ${TEMPLATE_ID}


# Create the child VMs
qm clone ${TEMPLATE_ID} ${VMID} --name ${VMNAME}
qm resize ${VMID} scsi0 ${DISK_EXPAND_SIZE}
qm set ${VMID} --sshkey ~/.ssh/id_rsa.pub
qm set ${VMID} --ipconfig0 ip=${IP_RANGE},gw=${IP_GATEWAY}
qm start ${VMID}

echo "Done! Head over to the console and check out vm: ${VMID}"
echo "[note] you may notice some /dev/sda errors. No Worries, shit's good."