#!/bin/bash
# Run this in the Proxmox web shell (node: proxmox → Shell)
# Creates a Debian 12 cloud-init template (VM ID 9000)

set -euo pipefail

TEMPLATE_ID=9000
TEMPLATE_NAME="debian-12-cloud"
STORAGE="local-lvm"
IMAGE_URL="https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-genericcloud-amd64.qcow2"
IMAGE_FILE="/tmp/debian-12-genericcloud-amd64.qcow2"

echo "==> Downloading Debian 12 cloud image..."
wget -q --show-progress -O "$IMAGE_FILE" "$IMAGE_URL"

echo "==> Installing qemu-guest-agent into image..."
apt-get install -y libguestfs-tools
virt-customize -a "$IMAGE_FILE" \
  --install qemu-guest-agent \
  --truncate /etc/machine-id

echo "==> Removing old template if it exists..."
if qm status $TEMPLATE_ID &>/dev/null; then
  qm destroy $TEMPLATE_ID --purge
fi

echo "==> Creating VM $TEMPLATE_ID..."
qm create $TEMPLATE_ID \
  --name "$TEMPLATE_NAME" \
  --memory 2048 \
  --cores 2 \
  --net0 virtio,bridge=vmbr0 \
  --ostype l26 \
  --agent enabled=1 \
  --serial0 socket \
  --vga serial0

echo "==> Importing disk to $STORAGE..."
qm importdisk $TEMPLATE_ID "$IMAGE_FILE" $STORAGE

echo "==> Configuring disk and cloud-init..."
qm set $TEMPLATE_ID \
  --scsihw virtio-scsi-pci \
  --scsi0 "$STORAGE:vm-${TEMPLATE_ID}-disk-0,discard=on" \
  --ide2 "$STORAGE:cloudinit" \
  --boot c \
  --bootdisk scsi0 \
  --ipconfig0 ip=dhcp \
  --ciupgrade 1

echo "==> Converting to template..."
qm template $TEMPLATE_ID

echo "==> Cleaning up..."
rm -f "$IMAGE_FILE"

echo ""
echo "Done! Template ID $TEMPLATE_ID ($TEMPLATE_NAME) is ready."