| #!/bin/bash |
| # Copyright 2022 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Example VM with a simple ubuntu guest OS but no UI, audio or networking. |
| |
| set -e |
| |
| SRC=$(realpath "$(dirname "${BASH_SOURCE[0]}")") |
| mkdir -p "$SRC/images/simple" && cd "$_" |
| |
| if ! [ -f rootfs ]; then |
| # ANCHOR: build |
| # Build a simple ubuntu image and create a user with no password. |
| virt-builder ubuntu-20.04 \ |
| --run-command "useradd -m -g sudo -p '' $USER ; chage -d 0 $USER" \ |
| -o ./rootfs |
| # ANCHOR_END: build |
| |
| # ANCHOR: kernel |
| virt-builder --get-kernel ./rootfs -o . |
| # ANCHOR_END: kernel |
| fi |
| |
| # ANCHOR: run |
| # Run crosvm. |
| # The rootfs is an image of a partitioned hard drive, so we need to tell |
| # the kernel which partition to use (vda5 in case of ubuntu-20.04). |
| cargo run --no-default-features -- run \ |
| --rwdisk ./rootfs \ |
| --initrd ./initrd.img-* \ |
| -p "root=/dev/vda5" \ |
| ./vmlinuz-* |
| # ANCHOR_END: run |