scripts/run_archiso.sh: don't duplicate qemu commands for each boot mode
Various bash script improvements.
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nl6720
parent
e9f209efbf
commit
1e0ffd0297
@ -15,117 +15,106 @@
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set -eu
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print_help() {
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cat << EOF
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local usagetext
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IFS='' read -r -d '' usagetext <<EOF || true
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Usage:
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run_archiso [options]
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Options:
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-b set boot type to 'bios' (default)
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-b set boot type to 'BIOS' (default)
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-h print help
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-i [image] image to boot into
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-s use secure boot (only relevant when using UEFI)
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-u set boot type to 'uefi'
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-s use Secure Boot (only relevant when using UEFI)
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-u set boot type to 'UEFI'
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Example:
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Run an image using UEFI:
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$ run_archiso -u -i archiso-2020.05.23-x86_64.iso
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EOF
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printf '%s' "${usagetext}"
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}
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cleanup_working_dir() {
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if [ -d "${working_dir}" ]; then
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rm -rf "${working_dir}"
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if [[ -d "${working_dir}" ]]; then
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rm -rf -- "${working_dir}"
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fi
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}
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copy_ovmf_vars() {
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if [ ! -f /usr/share/edk2-ovmf/x64/OVMF_VARS.fd ]; then
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echo "ERROR: OVMF_VARS.fd not found. Install edk2-ovmf."
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if [[ ! -f '/usr/share/edk2-ovmf/x64/OVMF_VARS.fd' ]]; then
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printf 'ERROR: %s\n' "OVMF_VARS.fd not found. Install edk2-ovmf."
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exit 1
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fi
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cp -av /usr/share/edk2-ovmf/x64/OVMF_VARS.fd "${working_dir}"
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cp -av -- '/usr/share/edk2-ovmf/x64/OVMF_VARS.fd' "${working_dir}/"
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}
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check_image() {
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if [ -z "$image" ]; then
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echo "ERROR: Image name can not be empty."
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if [[ -z "$image" ]]; then
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printf 'ERROR: %s\n' "Image name can not be empty."
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exit 1
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fi
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if [ ! -f "$image" ]; then
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echo "ERROR: Image file ($image) does not exist."
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if [[ ! -f "$image" ]]; then
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printf 'ERROR: %s\n' "Image file (${image}) does not exist."
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exit 1
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fi
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}
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run_image() {
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[ "$boot_type" == "bios" ] && run_image_using_bios
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[ "$boot_type" == "uefi" ] && run_image_using_uefi
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}
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run_image_using_bios() {
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qemu-system-x86_64 \
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-boot order=d,menu=on,reboot-timeout=5000 \
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-m size=3072,slots=0,maxmem=$((3072*1024*1024)) \
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-k en \
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-name archiso,process=archiso_0 \
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-drive file="${image}",media=cdrom,readonly=on,if=virtio \
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-display sdl \
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-vga virtio \
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-device virtio-net-pci,netdev=net0 -netdev user,id=net0 \
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-enable-kvm \
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-no-reboot
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}
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run_image_using_uefi() {
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local ovmf_code=/usr/share/edk2-ovmf/x64/OVMF_CODE.fd
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local secure_boot_state=off
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copy_ovmf_vars
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if [ "${secure_boot}" == "yes" ]; then
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echo "Using Secure Boot"
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ovmf_code=/usr/share/edk2-ovmf/x64/OVMF_CODE.secboot.fd
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secure_boot_state=on
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if [[ "$boot_type" == 'uefi' ]]; then
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copy_ovmf_vars
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if [[ "${secure_boot}" == 'on' ]]; then
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printf '%s\n' 'Using Secure Boot'
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local ovmf_code='/usr/share/edk2-ovmf/x64/OVMF_CODE.secboot.fd'
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else
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local ovmf_code='/usr/share/edk2-ovmf/x64/OVMF_CODE.fd'
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fi
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qemu_options+=(
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'-drive' "if=pflash,format=raw,unit=0,file=${ovmf_code},readonly"
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'-drive' "if=pflash,format=raw,unit=1,file=${working_dir}/OVMF_VARS.fd"
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'-global' "driver=cfi.pflash01,property=secure,value=${secure_boot}"
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)
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fi
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qemu-system-x86_64 \
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-boot order=d,menu=on,reboot-timeout=5000 \
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-m size=3072,slots=0,maxmem=$((3072*1024*1024)) \
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-m "size=3072,slots=0,maxmem=$((3072*1024*1024))" \
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-k en \
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-name archiso,process=archiso_0 \
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-drive file="${image}",media=cdrom,readonly=on,if=virtio \
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-drive if=pflash,format=raw,unit=0,file="${ovmf_code}",readonly \
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-drive if=pflash,format=raw,unit=1,file="${working_dir}/OVMF_VARS.fd" \
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-machine type=q35,smm=on,accel=kvm \
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-global driver=cfi.pflash01,property=secure,value="${secure_boot_state}" \
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-global ICH9-LPC.disable_s3=1 \
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-display sdl \
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-vga virtio \
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-device virtio-net-pci,netdev=net0 -netdev user,id=net0 \
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-machine type=q35,smm=on,accel=kvm \
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-global ICH9-LPC.disable_s3=1 \
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-enable-kvm \
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"${qemu_options[@]}" \
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-no-reboot
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}
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set_image() {
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if [ -z "$image" ]; then
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echo "ERROR: Image name can not be empty."
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if [[ -z "$image" ]]; then
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printf 'ERROR: %s\n' "Image name can not be empty."
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exit 1
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fi
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if [ ! -f "$image" ]; then
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echo "ERROR: Image ($image) does not exist."
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if [[ ! -f "$image" ]]; then
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printf 'ERROR: %s\n' "Image (${image}) does not exist."
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exit 1
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fi
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image="$1"
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}
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image=""
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boot_type="bios"
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secure_boot="no"
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working_dir="$(mktemp -d)"
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image=''
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boot_type='bios'
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secure_boot='off'
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qemu_options=()
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working_dir="$(mktemp -dt run_archiso.XXXXXXXXXX)"
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trap cleanup_working_dir EXIT
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if [ ${#@} -gt 0 ]; then
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if (( ${#@} > 0 )); then
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while getopts 'bhi:su' flag; do
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case "${flag}" in
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case "$flag" in
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b)
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boot_type=bios
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boot_type='bios'
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;;
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h)
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print_help
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@ -135,13 +124,13 @@ if [ ${#@} -gt 0 ]; then
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image="$OPTARG"
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;;
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u)
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boot_type=uefi
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boot_type='uefi'
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;;
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s)
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secure_boot=yes
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secure_boot='on'
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;;
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*)
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echo "Error: Wrong option. Try 'run_archiso -h'."
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printf '%s\n' "Error: Wrong option. Try 'run_archiso -h'."
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exit 1
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;;
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esac
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