1#!/bin/bash 2# Copyright 2023 The ChromiumOS Authors 3# Use of this source code is governed by a BSD-style license that can be 4# found in the LICENSE file. 5 6# Example VM with a shared directory 7 8set -e 9 10SRC=$(realpath "$(dirname "${BASH_SOURCE[0]}")") 11#If "example_simple" is executed, reuse its image. Otherwise, create one. 12mkdir -p "$SRC/images/simple" && cd "$_" 13mkdir -p "host_shared_dir" 14HOST_SHARED_DIR="$SRC/images/simple/host_shared_dir" 15 16if ! [ -f rootfs ]; then 17 # Build a simple ubuntu image and create a user with no password. 18 virt-builder ubuntu-20.04 \ 19 --run-command "useradd -m -g sudo -p '' $USER ; chage -d 0 $USER" \ 20 -o ./rootfs 21 22 virt-builder --get-kernel ./rootfs -o . 23fi 24 25# Use crosvm/tools/examples/images/simple/host_shared_dir as mount point 26cargo run -- run \ 27 --shared-dir "$HOST_SHARED_DIR:my_shared_tag:type=fs" \ 28 --rwdisk ./rootfs \ 29 --initrd ./initrd.img-* \ 30 -p "root=/dev/vda5 " \ 31 ./vmlinuz-* 32 33## In guest OS, run following instructions to set up the shared directory 34## sudo su 35## mkdir /tmp/guest_shared_dir 36## mount -t virtiofs my_shared_tag /tmp/guest_shared_dir 37