1*bb4ee6a4SAndroid Build Coastguard Worker#!/bin/bash 2*bb4ee6a4SAndroid Build Coastguard Worker# Copyright 2023 The ChromiumOS Authors 3*bb4ee6a4SAndroid Build Coastguard Worker# Use of this source code is governed by a BSD-style license that can be 4*bb4ee6a4SAndroid Build Coastguard Worker# found in the LICENSE file. 5*bb4ee6a4SAndroid Build Coastguard Worker 6*bb4ee6a4SAndroid Build Coastguard Worker# Example VM with a shared directory 7*bb4ee6a4SAndroid Build Coastguard Worker 8*bb4ee6a4SAndroid Build Coastguard Workerset -e 9*bb4ee6a4SAndroid Build Coastguard Worker 10*bb4ee6a4SAndroid Build Coastguard WorkerSRC=$(realpath "$(dirname "${BASH_SOURCE[0]}")") 11*bb4ee6a4SAndroid Build Coastguard Worker#If "example_simple" is executed, reuse its image. Otherwise, create one. 12*bb4ee6a4SAndroid Build Coastguard Workermkdir -p "$SRC/images/simple" && cd "$_" 13*bb4ee6a4SAndroid Build Coastguard Workermkdir -p "host_shared_dir" 14*bb4ee6a4SAndroid Build Coastguard WorkerHOST_SHARED_DIR="$SRC/images/simple/host_shared_dir" 15*bb4ee6a4SAndroid Build Coastguard Worker 16*bb4ee6a4SAndroid Build Coastguard Workerif ! [ -f rootfs ]; then 17*bb4ee6a4SAndroid Build Coastguard Worker # Build a simple ubuntu image and create a user with no password. 18*bb4ee6a4SAndroid Build Coastguard Worker virt-builder ubuntu-20.04 \ 19*bb4ee6a4SAndroid Build Coastguard Worker --run-command "useradd -m -g sudo -p '' $USER ; chage -d 0 $USER" \ 20*bb4ee6a4SAndroid Build Coastguard Worker -o ./rootfs 21*bb4ee6a4SAndroid Build Coastguard Worker 22*bb4ee6a4SAndroid Build Coastguard Worker virt-builder --get-kernel ./rootfs -o . 23*bb4ee6a4SAndroid Build Coastguard Workerfi 24*bb4ee6a4SAndroid Build Coastguard Worker 25*bb4ee6a4SAndroid Build Coastguard Worker# Use crosvm/tools/examples/images/simple/host_shared_dir as mount point 26*bb4ee6a4SAndroid Build Coastguard Workercargo run -- run \ 27*bb4ee6a4SAndroid Build Coastguard Worker --shared-dir "$HOST_SHARED_DIR:my_shared_tag:type=fs" \ 28*bb4ee6a4SAndroid Build Coastguard Worker --rwdisk ./rootfs \ 29*bb4ee6a4SAndroid Build Coastguard Worker --initrd ./initrd.img-* \ 30*bb4ee6a4SAndroid Build Coastguard Worker -p "root=/dev/vda5 " \ 31*bb4ee6a4SAndroid Build Coastguard Worker ./vmlinuz-* 32*bb4ee6a4SAndroid Build Coastguard Worker 33*bb4ee6a4SAndroid Build Coastguard Worker## In guest OS, run following instructions to set up the shared directory 34*bb4ee6a4SAndroid Build Coastguard Worker## sudo su 35*bb4ee6a4SAndroid Build Coastguard Worker## mkdir /tmp/guest_shared_dir 36*bb4ee6a4SAndroid Build Coastguard Worker## mount -t virtiofs my_shared_tag /tmp/guest_shared_dir 37