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osbuilder/tools-image/bios-raw-image.sh
mudler e3f4b6150c example: add script to generate bios mbr raw disks
Signed-off-by: mudler <mudler@kairos.io>
2023-09-20 15:13:26 +02:00

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#!/bin/bash
# Generates raw bootable images with qemu
set -ex
CLOUD_INIT=${1:-cloud_init.yaml}
QEMU=${QEMU:-qemu-system-x86_64}
ISO=${2:-iso.iso}
mkdir -p build
pushd build
touch meta-data
cp -rfv $CLOUD_INIT user-data
mkisofs -output ci.iso -volid cidata -joliet -rock user-data meta-data
truncate -s "+$((20000*1024*1024))" disk.raw
${QEMU} -m 8096 -smp cores=2 \
-nographic -cpu host \
-serial mon:stdio \
-rtc base=utc,clock=rt \
-chardev socket,path=qga.sock,server,nowait,id=qga0 \
-device virtio-serial \
-device virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 \
-drive if=virtio,media=disk,file=disk.raw \
-drive format=raw,media=cdrom,readonly=on,file=$ISO \
-drive format=raw,media=cdrom,readonly=on,file=ci.iso \
-boot d \
-enable-kvm