开始使用StratoVirt

$ sudo yum install stratovirt

arch=`uname -m`
dest_kernel="vmlinux.bin"
dest_rootfs="rootfs.ext4"
image_bucket_url="https://repo.openeuler.org/openEuler-22.03-LTS/stratovirt_img"

if [ ${arch} = "x86_64" ] || [ ${arch} = "aarch64" ]; then
    kernel="${image_bucket_url}/${arch}/vmlinux.bin"
    rootfs="${image_bucket_url}/${arch}/openEuler-22.03-LTS-stratovirt-${arch}.img.xz"
else
    echo "Cannot run StratoVirt on ${arch} architecture!"
    exit 1
fi

echo "Downloading $kernel..."
wget ${kernel} -O ${dest_kernel} --no-check-certificate

echo "Downloading $rootfs..."
wget ${rootfs} -O ${dest_rootfs}.xz --no-check-certificate
xz -d ${dest_rootfs}.xz

echo "kernel file: ${dest_kernel} and rootfs image: ${dest_rootfs} download over."

socket_path=`pwd`"/stratovirt.sock"
kernel_path=`pwd`"/vmlinux.bin"
rootfs_path=`pwd`"/rootfs.ext4"

# 保证QMP通信socket文件路径可以被创建。
rm -f ${socket_path}

# 通过StratoVirt启动轻量化机型的Linux客户机。
/usr/bin/stratovirt \
    -machine microvm \
    -kernel ${kernel_path} \
    -smp 1 \
    -m 1024 \
    -append "console=ttyS0 pci=off reboot=k quiet panic=1 root=/dev/vda" \
    -drive file=${rootfs_path},id=rootfs,readonly=off,direct=off \
    -device virtio-blk-device,drive=rootfs,id=rootfs \
    -qmp unix:${socket_path},server,nowait \
    -serial stdio