Add a script to build the debian guest image for AVF
Bug: 363237196
Test: run
sudo ./build.sh image.raw
adb push image.raw /data/local/tmp/
adb shell "/apex/com.android.virt/bin/crosvm run \
--disable-sandbox --bios /apex/com.android.virt/etc/u-boot.bin \
--rwdisk /data/local/tmp/image.raw \
--serial=hardware=serial,num=1,type=stdout,stdin,console,earlycon \
--cpus 8 \
--mem 4096 -p root=/dev/vda1"
Change-Id: I363850a293e306c92ff6539bf9ca8edb580d3db2
diff --git a/build/debian/build.sh b/build/debian/build.sh
new file mode 100755
index 0000000..aabbe58
--- /dev/null
+++ b/build/debian/build.sh
@@ -0,0 +1,92 @@
+#!/bin/bash
+
+# This is a script to build a Debian image that can run in a VM created via AVF.
+# TODOs:
+# - Support x86_64 architecture
+# - Add Android-specific packages via a new class
+# - Use a stable release from debian-cloud-images
+
+show_help() {
+ echo Usage: $0 [OPTION]... [FILE]
+ echo Builds a debian image and save it to FILE.
+ echo Options:
+ echo -h Pring usage and this help message and exit.
+}
+
+check_sudo() {
+ if [ "$EUID" -ne 0 ]; then
+ echo "Please run as root."
+ exit
+ fi
+}
+
+parse_options() {
+ while getopts ":h" option; do
+ case ${option} in
+ h)
+ show_help
+ exit;;
+ esac
+ done
+ if [ -n "$1" ]; then
+ built_image=$1
+ fi
+}
+
+install_prerequisites() {
+ apt install --no-install-recommends --assume-yes \
+ ca-certificates \
+ debsums \
+ dosfstools \
+ fai-server \
+ fai-setup-storage \
+ fdisk \
+ make \
+ python3 \
+ python3-libcloud \
+ python3-marshmallow \
+ python3-pytest \
+ python3-yaml \
+ qemu-utils \
+ udev
+}
+
+download_debian_cloud_image() {
+ local ver=master
+ local prj=debian-cloud-images
+ local url=https://salsa.debian.org/cloud-team/${prj}/-/archive/${ver}/${prj}-${ver}.tar.gz
+ local outdir=${debian_cloud_image}
+
+ mkdir -p ${outdir}
+ wget -O - ${url} | tar xz -C ${outdir} --strip-components=1
+}
+
+run_fai() {
+ local ver=bookworm
+ local cspace=${debian_cloud_image}/config_space/${ver}
+ local out=${built_image}
+
+ fai-diskimage \
+ --verbose \
+ --size 2G \
+ --class BASE,DEBIAN,NOCLOUD,ARM64,LINUX_VERSION_BASE+LINUX_VARIANT_CLOUD,BOOKWORM,BUILD_IMAGE,SYSTEM_BOOT \
+ --cspace ${cspace} \
+ ${out}
+}
+
+clean_up() {
+ rm -rf ${workdir}
+}
+
+set -e
+trap clean_up EXIT
+
+built_image=image.raw
+workdir=$(mktemp -d)
+debian_cloud_image=${workdir}/debian_cloud_image
+
+check_sudo
+parse_options $@
+install_prerequisites
+download_debian_cloud_image
+run_fai