mirror of
https://github.com/theupriser/steamify-cachyos-dev.git
synced 2026-10-05 12:45:56 +02:00
theupriser
0c84b8b926
vmsuite.sh: the ssh-ready snapshot becomes one base image, every block gets a new qcow2 overlay (no snapshot restore), each suite has its own VM directory and ssh port (2301-2305, boot loaders 2401-2403), the host's package cache is bound over pacman's, VM_MEM defaults to 4G for tests (run.sh VM_MEM, default 8G). vmtest.sh runs up to MAX_PARALLEL=3 jobs at once, slowest first. scripts/vmtest-remote.sh runs vmtest.sh on another machine (the PC) over ssh and prints the summary. CLAUDE.md and the branch cleanup skill now live in the repo. Not proven as a whole: three VMs at once and the base image work, but a complete parallel run to the end has not finished yet (P1/P2 in TODO.md); the remote runner and WSL2 are untried (R1-R2).
88 lines
5.2 KiB
Bash
Executable File
88 lines
5.2 KiB
Bash
Executable File
#!/bin/bash
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# CachyOS test VM for steamify.sh.
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# [REPO=/path/to/cachyos-gamescope-boot] ./run.sh [install] [--nvidia] [--vulkan] [--amd] [--fremont] [--headless]
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# install boot the installer ISO
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# --nvidia render the guest's virtio-gpu (virgl) on the host NVIDIA dGPU
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# --vulkan expose Vulkan to the guest (venus; needed by gamescope, can be unstable)
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# --amd with --vulkan: venus on the host AMD iGPU (RADV) instead of NVIDIA
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# --fremont report the Valve Steam Machine's DMI data (for testing the wizard)
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# --headless no window (unattended tests, CI); a VM you start by hand has one. VM_HEADLESS=1 does the same
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# REPO defaults to $HOME/projects/cachyos-gamescope-boot.
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# VM_ISO=<path> boots that ISO for `install` instead of cachyos.iso; with
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# VM_KERNEL/VM_INITRD/VM_APPEND its kernel is booted directly with those
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# parameters (scripts/vminstall.sh, the unattended install).
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# VM_MEM=<size>: guest RAM (8G; the automated tests use 4G so three VMs fit next to a desktop).
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# VM_CPUS=<n>: guest CPUs (6); ISO builds use ~75% of host cores (nproc * 3 / 4), so the host stays usable.
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# VM_PORT=<n>: the host port for the guest's SSH (2222), e.g. a second VM.
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# BIOS_VERSION=F7F0107 makes the guest report that BIOS version (DMI), e.g.
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# to test the wizard's BIOS update item; the firmware itself doesn't change.
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# The repo is shared into the guest; mount it there with:
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# sudo mount -t 9p -o trans=virtio,version=9p2000.L repo /mnt
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# First-time SSH setup, inside the guest:
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# sudo mount -t 9p -o trans=virtio,version=9p2000.L vmtools /media && /media/guest-ssh-setup.sh
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# SSH from the host: ssh -p 2222 <user>@localhost
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cd "$(dirname "$0")"
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# REPO: from the environment, else what scripts/vminstall.sh recorded next
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# to the disk (repo-path), else the old default.
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[[ -z "${REPO:-}" && -f repo-path ]] && REPO="$(cat repo-path)"
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repo="${REPO:-$HOME/projects/cachyos-gamescope-boot}"
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cdrom=()
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direct=()
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[[ -n "${VM_KERNEL:-}" ]] && direct=(-kernel "$VM_KERNEL" -initrd "$VM_INITRD" -append "$VM_APPEND")
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# VM_CACHE=<host dir>: shared read-write as 9p tag `cache` (the ISO build's
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# package cache, scripts/vmisobuild.sh; one per VM, e.g. $VM_DIR/iso-cache),
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# so snapshot resets don't lose it.
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[[ -n "${VM_CACHE:-}" ]] && { mkdir -p "$VM_CACHE"; direct+=(-virtfs "local,path=$VM_CACHE,mount_tag=cache,security_model=mapped-xattr"); }
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# VM_SERIAL=<file>: the guest's serial console (console=ttyS0) logged into
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# that file, and reachable as a socket next to it (<file>.sock) to type into.
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[[ -n "${VM_SERIAL:-}" ]] && direct+=(-chardev "socket,id=ser0,path=$VM_SERIAL.sock,server=on,wait=off,logfile=$VM_SERIAL" -serial chardev:ser0)
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smbios=()
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gpu=virtio-vga-gl,xres=1920,yres=1080 gl=on
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# VM_NOGL=1: no virgl (software rendering in the guest), so QMP screendump
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# works (scripts/qmpshot.py); for the live ISO and Calamares.
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[[ -n "${VM_NOGL:-}" ]] && { gpu=virtio-vga,xres=1920,yres=1080; gl=off; }
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[[ -n "${BIOS_VERSION:-}" ]] && smbios+=(-smbios "type=0,version=$BIOS_VERSION")
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for arg in "$@"; do
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case "$arg" in
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install) cdrom=(-cdrom "${VM_ISO:-cachyos.iso}" -boot d) ;;
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--nvidia) export __NV_PRIME_RENDER_OFFLOAD=1 __GLX_VENDOR_LIBRARY_NAME=nvidia \
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__EGL_VENDOR_LIBRARY_FILENAMES=/usr/share/glvnd/egl_vendor.d/10_nvidia.json ;;
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--vulkan) gpu+=,hostmem=4G,blob=true,venus=true ;;
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--amd) export VK_DRIVER_FILES=/usr/share/vulkan/icd.d/radeon_icd.json ;;
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--headless) VM_HEADLESS=1 ;;
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--fremont) smbios+=(-smbios type=1,manufacturer=Valve,product=Fremont -smbios type=2,manufacturer=Valve,product=Fremont) ;;
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*) echo "unknown argument: $arg" >&2; exit 1 ;;
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esac
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done
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# VM_HEADLESS=1: no window (unattended tests, CI): plain virtio-vga and -display none;
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# QMP screendump works then too. The guest and ssh don't notice.
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display=(-display "gtk,gl=$gl,zoom-to-fit=off")
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[[ -n "${VM_HEADLESS:-}" ]] && { gpu=virtio-vga,xres=1920,yres=1080; display=(-display none); }
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# UEFI firmware: Ubuntu's path, or Arch's (edk2-ovmf).
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ovmf=/usr/share/OVMF; ovmf_code=OVMF_CODE_4M.fd; ovmf_vars=OVMF_VARS_4M.fd
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[[ -f "$ovmf/$ovmf_code" ]] || { ovmf=/usr/share/edk2/x64; ovmf_code=OVMF_CODE.4m.fd; ovmf_vars=OVMF_VARS.4m.fd; }
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# First run: create the disk and the writable UEFI variable store.
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[[ -f disk.qcow2 ]] || qemu-img create -f qcow2 disk.qcow2 60G
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[[ -f vars.fd ]] || cp "$ovmf/$ovmf_vars" vars.fd
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# Hand the host's public keys to the guest setup script.
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cat ~/.ssh/*.pub > share/host-keys.pub
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exec qemu-system-x86_64 \
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-enable-kvm -machine q35,memory-backend=mem -cpu host -smp "${VM_CPUS:-6}" -m "${VM_MEM:-8G}" \
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-object memory-backend-memfd,id=mem,size=${VM_MEM:-8G},share=on \
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-drive if=pflash,format=raw,readonly=on,file="$ovmf/$ovmf_code" \
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-drive if=pflash,format=raw,file=vars.fd \
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-drive file=disk.qcow2,if=virtio \
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-device "$gpu" "${display[@]}" \
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-device qemu-xhci -device usb-tablet \
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-nic user,model=virtio-net-pci,hostfwd=tcp::${VM_PORT:-2222}-:22 \
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-virtfs local,path="$repo",mount_tag=repo,security_model=mapped-xattr \
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-virtfs local,path="$PWD/share",mount_tag=vmtools,security_model=mapped-xattr,readonly=on \
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-qmp unix:"$PWD/qmp.sock",server=on,wait=off \
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"${smbios[@]}" "${cdrom[@]}" "${direct[@]}"
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