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#!/usr/bin/env bash
set -euo pipefail
NAME="${1:-}"
RAM="${2:-4096}" # MiB
VCPUS="${3:-2}"
BASE="/var/lib/libvirt/images/base/work01-base.qcow2"
DIR="/var/lib/libvirt/images/overlays"
DISK="${DIR}/${NAME}.qcow2"
usage() {
echo "Usage: vm-new <name> [ramMiB=4096] [vcpus=2]" >&2
exit 2
}
[[ -n "$NAME" ]] || usage
case "$NAME" in
debian13-template|work01|Whonix-Gateway|Whonix-Workstation)
echo "Refusing: protected VM name '$NAME'." >&2
exit 1
;;
esac
if sudo virsh dominfo "$NAME" >/dev/null 2>&1; then
echo "Refusing: VM '$NAME' already exists in libvirt." >&2
exit 1
fi
if [[ ! -f "$BASE" ]]; then
echo "Base image not found: $BASE" >&2
exit 1
fi
if [[ -e "$DISK" ]]; then
echo "Refusing: disk already exists: $DISK" >&2
exit 1
fi
# Create overlay
sudo qemu-img create -f qcow2 -F qcow2 -b "$BASE" "$DISK" >/dev/null
# Define + install (import existing disk)
sudo virt-install --connect qemu:///system \
--name "$NAME" \
--memory "$RAM" --vcpus "$VCPUS" --cpu host-model \
--disk "path=$DISK,format=qcow2,bus=virtio" \
--network network=default,model=virtio \
--graphics none \
--import \
--osinfo linux2024 \
--noautoconsole
echo "Created: $NAME"
echo "Disk: $DISK"
echo "Next: sudo virsh start $NAME && sudo virsh domifaddr $NAME"
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