76 lines
1.7 KiB
Bash
76 lines
1.7 KiB
Bash
#!/bin/bash -e
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DIR="$(dirname "${BASH_SOURCE[0]}")"
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BRIDGE=virbr0
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NORMAL=$'\e[0m'
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BOLD=$'\e[1m'
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RED=$'\e[31m'
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function ask_yn() {
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local ans
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printf '%s (Y/n) ' "$1" >&2
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read -r ans
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case "${ans,,}" in
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y*|'') return 0 ;;
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*) return 1 ;;
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esac
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}
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declare -A ISO
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declare -a OPTS
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function download_isos() {
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for iso in "${!ISO[@]}"; do
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if ! [ -f "$iso" ] && ask_yn "download $iso?"; then
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curl -LC- -o "$iso" "${ISO[$iso]}"
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fi
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if [ -f "$iso" ]; then
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OPTS+=(-drive "file=$iso,media=cdrom,readonly=on")
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fi
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done
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}
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function _getmaxram() {
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local ram; ram="$(free -g | awk '/^Mem:/{print $2 - 2}')"
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if [ "$ram" -le 2 ]; then ram=2
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elif [ "$ram" -gt 32 ]; then ram=32; fi
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echo "${ram}G"
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}
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function _getnet() {
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local net=user
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if ! ip link show "$BRIDGE" | grep -q UP; then
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ask_yn 'create bridge?' && sudo "$DIR/startnat.sh" "$BRIDGE" > /dev/null
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fi
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if ip link show "$BRIDGE" | grep -q UP; then
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net="bridge,br=$BRIDGE"
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fi
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echo "$net"
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}
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# TODO: -bios /usr/share/OVMF/OVMF_CODE.fd
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function qemu() {
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local maxram; maxram="$(_getmaxram)"
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local net; net="$(_getnet)"
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(set -x
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qemu-system-x86_64 -accel kvm \
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-M q35 \
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-bios /usr/share/ovmf/x64/OVMF.fd \
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-cpu host \
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-m "2G,maxmem=$maxram" \
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-vga virtio \
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-drive if=virtio,file=hda.qcow2 \
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-audio pipewire,model=hda \
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-nic "model=virtio-net-pci,type=$net" \
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-device qemu-xhci \
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-object memory-backend-ram,id=mem,size=2G,share=on \
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-numa node,memdev=mem \
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"${OPTS[@]}" \
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"$@"
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)
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}
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