src - master - skylab/qemu-linux-tools

Репозиторий помещен в архив 30 октября 2025. Вся функциональность доступна только для чтения.
src
181 строка6 KB
Dmitry Oshurkov
hda
12 окт 2025, 13:39
12 окт 2025, 13:39e9fb4c4
#!/bin/bash
#
# ARG_HELP([Run existing VM])
# ARG_OPTIONAL_SINGLE([ram], , [RAM size], [6G])
# ARG_OPTIONAL_SINGLE([cpu], , [CPU count], [4])
# ARG_OPTIONAL_SINGLE([host], , [QEMU host name], [localhost])
# ARG_OPTIONAL_SINGLE([monitor-port], , [QEMU telnet monitor port], [4444])
# ARG_OPTIONAL_SINGLE([disk], , [Disk size], [58400M])
# ARG_OPTIONAL_SINGLE([cdrom], , [CD-ROM image])
# ARG_OPTIONAL_BOOLEAN([display], , [Use display arg], [on])
# ARG_POSITIONAL_SINGLE([mode], [Run mode (install, setup, run, save-and-quit, quit, connect)])
# ARG_POSITIONAL_SINGLE([path], [VMs path])
# ARGBASH_GO

# [ <-- needed because of Argbash

name=$(basename $_arg_path)
qemu_spice_port=5930

make_desktop_file() {
    # make_desktop_file "Запустить" "run"
    echo -e "[Desktop Entry]\nName=$name: $1\nExec=qemu-vm $2 $_arg_path\nComment=\nTerminal=false\nIcon=qemu-system-x86_64\nType=Application\nCategories=Education" > $HOME/.local/share/applications/qemu-vm-$2-$name.desktop
    chmod +x $HOME/.local/share/applications/qemu-vm-$2-$name.desktop
}

case $_arg_mode in

    install)
        mkdir --parents $_arg_path
        cd $_arg_path

        if [ -f hda.0.img ]; then
            read -p "Образ диска с установленной системой уже существует. Продолжить и перезаписать его? (y/N): " choice
            if [[ "$choice" != "y" && "$choice" != "Y" ]]; then
                exit 1
            fi
        fi

        if [ -z "$_arg_cdrom" ]; then
            echo "Arg --cdrom required. Exiting."
            exit
        fi

        echo -e "RAM=$_arg_ram\nCPU=$_arg_cpu\nQEMU_HOST=$_arg_host\nMONITOR_PORT=$_arg_monitor_port" > ./settings

        make_desktop_file "Запустить" "run"
        make_desktop_file "Сохранить и выйти" "save-and-quit"
        make_desktop_file "Выйти" "quit"
        make_desktop_file "Подключиться" "connect"

        # clean
        qemu-img create --format qcow2 hda.0.img $_arg_disk # 58400 Mib (60 ГБ = 57.03 ГиБ = 61.24 GB)

        CDROM="-cdrom $_arg_cdrom"
        HDA=hda.0.img
        ;;

    setup)
        cd $_arg_path

        if [ ! -d $_arg_path ]; then
            echo "Машина $_arg_path не найдена. Выход."
            exit
        fi

        if [ -f hda.1.img ]; then
            read -p "Образ диска с установленными приложениями уже существует. Продолжить и перезаписать его? (y/N): " choice
            if [[ "$choice" != "y" && "$choice" != "Y" ]]; then
                exit 1
            fi
        fi
        
        # after install
        qemu-img create --options backing_file=hda.0.img,backing_fmt=qcow2 --format qcow2 hda.1.img

        HDA=hda.1.img
        ;;

    run)
        cd $_arg_path

        if [ ! -d $_arg_path ]; then
            echo "Машина $_arg_path не найдена. Выход."
            exit
        fi

        if [ ! -f hda.0.img ]; then
            echo "Система не установлена. Запустите 'bin/install'"
            read -p "Нажмите Enter для выхода..."
            exit
        fi

        if [ ! -f hda.1.img ]; then
            # если приложения не установлены, создаётся пустой промежуточный образ
            # after install
            qemu-img create --options backing_file=hda.0.img,backing_fmt=qcow2 --format qcow2 hda.1.img
        fi

        if [ ! -f hda.2.img ]; then
            # after soft setup
            qemu-img create --options backing_file=hda.1.img,backing_fmt=qcow2 --format qcow2 hda.2.img
        fi

        if qemu-img snapshot -l hda.2.img | grep --quiet 'last'; then
            LOADVM="-loadvm last"
        fi

        HDA=hda.2.img
        ;;

    *)
        SAVE_WAITING=1

        cd $_arg_path
        source ./settings

        case $_arg_mode in

            save-and-quit)
                (
                  echo "open $QEMU_HOST $MONITOR_PORT"
                  sleep 1
                  echo "savevm last"
                  sleep $SAVE_WAITING
                  echo "quit"
                  sleep 1
                ) | telnet
                exit
                ;;

            quit)
                (
                  echo "open $QEMU_HOST $MONITOR_PORT"
                  sleep 1
                  echo "quit"
                  sleep 1
                ) | telnet
                exit
                ;;

            connect)
                remote-viewer spice://$QEMU_HOST:$qemu_spice_port
                exit
                ;;

            *)
                echo "Invalid --mode $_arg_mode. Please try again."
                exit
                ;;
        esac
        ;;
esac

source ./settings

if [ $_arg_display == "on" ]; then
    QEMU_DISPLAY="-display spice-app"
fi

qemu-system-x86_64                                                        \
  -enable-kvm                                                             \
  -m $RAM                                                                 \
  -smp $CPU                                                               \
  -boot order=d                                                           \
  $CDROM                                                                  \
  -hda $HDA                                                               \
  -net nic                                                                \
  -net user,hostfwd=tcp::2222-:22                                         \
  -vga qxl                                                                \
  -device AC97                                                            \
  -monitor telnet::$MONITOR_PORT,server,nowait                            \
  -device virtio-serial-pci                                               \
  -spice port=$qemu_spice_port,disable-ticketing=on                       \
  -device virtserialport,chardev=spicechannel0,name=com.redhat.spice.0    \
  -chardev spicevmc,id=spicechannel0,name=vdagent                         \
  $QEMU_DISPLAY                                                           \
  $EXTRA_ARGS                                                             \
  $LOADVM                                                                 \
&

# ] <-- needed because of Argbash