mirror of
https://github.com/oSoWoSo/DistroHopper.git
synced 2024-08-14 22:46:53 +00:00
Rename quickemu.sh to quickemu
For simplicity.
This commit is contained in:
Martin Wimpress
parent
44ca3689d8
commit
510c2e0525
2 changed files with 1 additions and 2 deletions
273
quickemu
Executable file
273
quickemu
Executable file
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#!/usr/bin/env bash
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function vm_delete() {
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if [ -f "${disk_img}" ]; then
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rm "${disk_img}"
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echo "SUCCESS! Deleted ${disk_img}"
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fi
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exit 0
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}
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function vm_restore() {
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if [ -f "${disk_img_snapshot}" ]; then
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mv "${disk_img_snapshot}" "${disk_img}"
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fi
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echo "SUCCESS! Restored ${disk_img_snapshot}"
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exit 0
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}
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function vm_snapshot() {
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if [ -f "${disk_img_snapshot}" ]; then
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mv "${disk_img_snapshot}" "${disk_img_snapshot}.old"
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fi
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qemu-img create -b "${disk_img}" -f qcow2 "${disk_img_snapshot}" -q
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if [ $? -eq 0 ]; then
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echo "SUCCESS! Created ${disk_img_snapshot}"
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else
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echo "ERROR! Failed to create ${disk_img_snapshot}"
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fi
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exit 0
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}
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function get_port() {
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local PORT_START=22220
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local PORT_RANGE=9
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while true; do
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local CANDIDATE=$[${PORT_START} + (${RANDOM} % ${PORT_RANGE})]
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(echo "" >/dev/tcp/127.0.0.1/${CANDIDATE}) >/dev/null 2>&1
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if [ $? -ne 0 ]; then
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echo "${CANDIDATE}"
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break
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fi
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done
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}
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function vm_boot() {
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local VMNAME=$(basename ${VM} .conf)
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local VMDIR=$(dirname ${disk_img})
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local BIOS=""
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local GL="on"
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local VIRGL="on"
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local UI="sdl"
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local QEMU_VER=$(${QEMU} -version | head -n1 | cut -d' ' -f4 | cut -d'(' -f1)
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echo "Starting ${VM}"
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echo " - QEMU: ${QEMU} v${QEMU_VER}"
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if [ -n "${disk_img}" ]; then
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disk_img_snapshot="${disk_img}.snapshot"
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else
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echo "ERROR! No disk_img defined."
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exit 1
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fi
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readonly disk_min_size=395264
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if [ -z "${disk}" ]; then
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disk="64G"
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fi
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if [ ${ENABLE_EFI} -eq 1 ]; then
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if [ -e /snap/qemu-virgil/current/usr/share/qemu/edk2-x86_64-code.fd ] ; then
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if [ ! -e ${VMDIR}/${VMNAME}-vars.fd ]; then
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cp /snap/qemu-virgil/current/usr/share/qemu/edk2-i386-vars.fd ${VMDIR}/${VMNAME}-vars.fd
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fi
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BIOS="-drive if=pflash,format=raw,readonly,file=/snap/qemu-virgil/current/usr/share/qemu/edk2-x86_64-code.fd -drive if=pflash,format=raw,file=${VMDIR}/${VMNAME}-vars.fd"
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else
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echo " - EFI: Booting requested but no EFI firmware found."
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echo " Booting from Legacy BIOS."
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fi
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echo " - BIOS: EFI"
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else
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echo " - BIOS: Legacy"
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fi
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echo " - Disk: ${disk_img} (${disk})"
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# If the disk is present but doesn't appear to have an install, then
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# remove it.
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if [ -e ${disk_img} ]; then
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local disk_curr_size=$(stat -c%s "${disk_img}")
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if [ ${disk_curr_size} -le ${disk_min_size} ]; then
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echo " Looks unused, recreating."
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rm "${disk_img}"
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fi
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fi
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if [ ! -f "${disk_img}" ]; then
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# If there is no disk image, create a new image.
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${QEMU_IMG} create -q -f qcow2 "${disk_img}" "${disk}"
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if [ $? -ne 0 ]; then
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echo "ERROR! Failed to create ${disk_img} of ${disk}. Stopping here."
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exit 1
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fi
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echo " - ISO: ${iso}"
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else
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# If there is a disk image, do not boot from the iso
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iso=""
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fi
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if [ -e ${disk_img_snapshot} ]; then
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echo " - Snapshot: ${disk_img_snapshot}"
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fi
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local cores="1"
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local allcores=$(nproc --all)
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if [ ${allcores} -ge 8 ]; then
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cores="4"
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elif [ ${allcores} -ge 4 ]; then
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cores="2"
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fi
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echo " - CPU: ${cores} Core(s)"
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local ram="2G"
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local allram=$(free --mega -h | grep Mem | cut -d':' -f2 | cut -d'G' -f1 | sed 's/ //g')
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if [ ${allram} -ge 64 ]; then
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ram="4G"
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elif [ ${allram} -ge 16 ]; then
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ram="3G"
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fi
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echo " - RAM: ${ram}"
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# Determine what display to use
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local display="-display ${UI},gl=${GL}"
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echo " - UI: ${UI}"
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echo " - GL: ${GL}"
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echo " - VIRGL: ${VIRGL}"
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local xres=1152
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local yres=648
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if [ "${XDG_SESSION_TYPE}" == "x11" ]; then
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local LOWEST_WIDTH=$(xrandr --listmonitors | grep -v Monitors | cut -d' ' -f4 | cut -d'/' -f1 | sort | head -n1)
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if [ ${LOWEST_WIDTH} -ge 3840 ]; then
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xres=3200
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yres=1800
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elif [ ${LOWEST_WIDTH} -ge 2560 ]; then
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xres=2048
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yres=1152
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elif [ ${LOWEST_WIDTH} -ge 1920 ]; then
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xres=1664
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yres=936
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elif [ ${LOWEST_WIDTH} -ge 1280 ]; then
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xres=1152
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yres=648
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fi
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fi
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echo " - Display: ${xres}x${yres}"
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local NET=""
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# If smbd is available, export $HOME to the guest via samba
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if [ -e /snap/qemu-virgil/current/usr/sbin/smbd ]; then
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NET=",smb=${HOME}"
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fi
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if [ -n "${NET}" ]; then
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echo " - smbd: ${HOME} will be exported to the guest via smb://10.0.2.4/qemu"
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else
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echo " - smbd: ${HOME} will not be exported to the guest. 'smbd' not found."
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fi
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# Find a free port to expose ssh to the guest
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local PORT=$(get_port)
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if [ -n "${PORT}" ]; then
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NET="${NET},hostfwd=tcp::${PORT}-:22"
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echo " - ssh: ${PORT}/tcp is connected. Login via 'ssh user@localhost -p ${PORT}'"
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else
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echo " - ssh: All ports for exposing ssh have been exhausted."
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fi
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# Boot the iso image
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${QEMU} -name ${VMNAME},process=${VMNAME} \
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${BIOS} \
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-cdrom "${iso}" \
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-drive "file=${disk_img},format=qcow2,if=virtio,aio=native,cache.direct=on" \
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-enable-kvm \
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-machine q35,accel=kvm \
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-cpu host,kvm=on \
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-m ${ram} \
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-smp ${cores} \
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-net nic,model=virtio \
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-net user"${NET}" \
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-rtc base=localtime,clock=host \
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-serial mon:stdio \
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-audiodev pa,id=pa,server=unix:$XDG_RUNTIME_DIR/pulse/native,out.stream-name=${LAUNCHER}-${VMNAME},in.stream-name=${LAUNCHER}-${VMNAME} \
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-device intel-hda -device hda-duplex,audiodev=pa \
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-usb -device usb-kbd -device usb-tablet \
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-object rng-random,id=rng0,filename=/dev/urandom \
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-device virtio-rng-pci,rng=rng0 \
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-device virtio-vga,virgl=${VIRGL},xres=${xres},yres=${yres} \
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${display} \
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"$@"
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}
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function usage() {
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echo
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echo "Usage"
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echo " ${LAUNCHER} --vm ubuntu.conf"
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echo
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echo "You can also pass optional parameters"
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echo " --delete : Delete the disk image."
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echo " --efi : Enable EFI BIOS."
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echo " --restore : Restore the snapshot."
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echo " --snapshot : Create a disk snapshot."
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exit 1
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}
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DELETE=0
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ENABLE_EFI=0
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readonly QEMU="/snap/bin/qemu-virgil"
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readonly QEMU_IMG="/snap/bin/qemu-virgil.qemu-img"
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readonly LAUNCHER=$(basename $0)
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RESTORE=0
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SNAPSHOT=0
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VM=""
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while [ $# -gt 0 ]; do
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case "${1}" in
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-efi|--efi)
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ENABLE_EFI=1
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shift;;
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-delete|--delete)
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DELETE=1
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shift;;
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-restore|--restore)
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RESTORE=1
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shift;;
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-snapshot|--snapshot)
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SNAPSHOT=1
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shift;;
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-vm|--vm)
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VM="$2"
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shift
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shift;;
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-h|--h|-help|--help)
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usage;;
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*)
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echo "ERROR! \"${1}\" is not a supported parameter."
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usage;;
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esac
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done
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# Check we have qemu-virgil available
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if [ ! -e "${QEMU}" ] && [ ! -e "${QEMU_IMG}" ]; then
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echo "ERROR! qemu-virgil not found. Please install the qemu-virgil snap."
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echo " https://snapcraft.io/qemu-virgil"
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exit 1
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fi
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if [ -n "${VM}" ] || [ -e "${VM}" ]; then
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source "${VM}"
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else
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echo "ERROR! Virtual machine configuration not found."
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usage
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fi
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if [ ${DELETE} -eq 1 ]; then
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vm_delete
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fi
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if [ ${RESTORE} -eq 1 ]; then
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vm_restore
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fi
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if [ ${SNAPSHOT} -eq 1 ]; then
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vm_snapshot
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fi
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vm_boot
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