vms: move qemu_command to its own module
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8e780b2a8c
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0200016dd2
132
pkgs/clan-cli/clan_cli/vms/qemu.py
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132
pkgs/clan-cli/clan_cli/vms/qemu.py
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@ -0,0 +1,132 @@
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import random
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from dataclasses import dataclass
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from pathlib import Path
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from .inspect import VmConfig
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@dataclass
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class GraphicOptions:
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args: list[str]
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vsock_cid: int | None = None
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def graphics_options(vm: VmConfig) -> GraphicOptions:
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common = [
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"-audio",
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"driver=pa,model=virtio",
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]
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if vm.waypipe:
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# FIXME: check for collisions
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cid = random.randint(1, 2**32)
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# fmt: off
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return GraphicOptions([
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*common,
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"-nographic",
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"-vga", "none",
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"-device", f"vhost-vsock-pci,id=vhost-vsock-pci0,guest-cid={cid}",
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# TODO: vgpu
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#"-display", "egl-headless,gl=core",
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#"-device", "virtio-vga,blob=true",
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#"-device", "virtio-serial-pci",
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#"-device", "vhost-user-vga,chardev=vgpu",
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#"-chardev", "socket,id=vgpu,path=/tmp/vgpu.sock",
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], cid)
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# fmt: on
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else:
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# fmt: off
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return GraphicOptions([
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*common,
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"-vga", "none",
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"-display", "gtk,gl=on",
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"-device", "virtio-gpu-gl",
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"-display", "spice-app,gl=on",
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"-device", "virtio-serial-pci",
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"-chardev", "spicevmc,id=vdagent0,name=vdagent",
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"-device", "virtserialport,chardev=vdagent0,name=com.redhat.spice.0",
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"-device", "qemu-xhci,id=spicepass",
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"-chardev", "spicevmc,id=usbredirchardev1,name=usbredir",
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"-device", "usb-redir,chardev=usbredirchardev1,id=usbredirdev1",
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"-chardev", "spicevmc,id=usbredirchardev2,name=usbredir",
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"-device", "usb-redir,chardev=usbredirchardev2,id=usbredirdev2",
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"-chardev", "spicevmc,id=usbredirchardev3,name=usbredir",
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"-device", "usb-redir,chardev=usbredirchardev3,id=usbredirdev3",
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"-device", "pci-ohci,id=smartpass",
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"-device", "usb-ccid",
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"-chardev", "spicevmc,id=ccid,name=smartcard",
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], None)
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# fmt: on
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@dataclass
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class QemuCommand:
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args: list[str]
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vsock_cid: int | None = None
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def qemu_command(
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vm: VmConfig,
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nixos_config: dict[str, str],
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secrets_dir: Path,
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rootfs_img: Path,
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state_img: Path,
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virtiofsd_socket: Path,
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qmp_socket_file: Path,
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qga_socket_file: Path,
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) -> QemuCommand:
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kernel_cmdline = [
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(Path(nixos_config["toplevel"]) / "kernel-params").read_text(),
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f'init={nixos_config["toplevel"]}/init',
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f'regInfo={nixos_config["regInfo"]}/registration',
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"console=hvc0",
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]
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if not vm.waypipe:
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kernel_cmdline.append("console=tty0")
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# fmt: off
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command = [
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"qemu-kvm",
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"-name", vm.machine_name,
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"-m", f'{nixos_config["memorySize"]}M',
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"-object", f"memory-backend-memfd,id=mem,size={nixos_config['memorySize']}M",
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"-machine", "pc,memory-backend=mem,accel=kvm",
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"-smp", str(nixos_config["cores"]),
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"-cpu", "max",
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"-enable-kvm",
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# speed-up boot by not waiting for the boot menu
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"-boot", "menu=off,strict=on",
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"-device", "virtio-rng-pci",
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"-netdev", "user,id=user.0",
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"-device", "virtio-net-pci,netdev=user.0,romfile=",
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"-chardev", f"socket,id=char1,path={virtiofsd_socket}",
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"-device", "vhost-user-fs-pci,chardev=char1,tag=nix-store",
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"-virtfs", f"local,path={secrets_dir},security_model=none,mount_tag=secrets",
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"-drive", f"cache=writeback,file={rootfs_img},format=qcow2,id=drive1,if=none,index=1,werror=report",
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"-device", "virtio-blk-pci,bootindex=1,drive=drive1,serial=root",
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"-drive", f"cache=writeback,file={state_img},format=qcow2,id=state,if=none,index=2,werror=report",
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"-device", "virtio-blk-pci,drive=state",
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"-device", "virtio-keyboard",
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"-usb", "-device", "usb-tablet,bus=usb-bus.0",
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"-kernel", f'{nixos_config["toplevel"]}/kernel',
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"-initrd", nixos_config["initrd"],
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"-append", " ".join(kernel_cmdline),
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# qmp & qga setup
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"-qmp", f"unix:{qmp_socket_file},server,wait=off",
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"-chardev", f"socket,path={qga_socket_file},server=on,wait=off,id=qga0",
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"-device", "virtio-serial",
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"-device", "virtserialport,chardev=qga0,name=org.qemu.guest_agent.0",
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"-serial", "null",
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"-chardev", "stdio,mux=on,id=char0,signal=off",
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"-mon", "chardev=char0,mode=readline",
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"-device", "virtconsole,chardev=char0,nr=0",
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] # fmt: on
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vsock_cid = None
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if vm.graphics:
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opts = graphics_options(vm)
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vsock_cid = opts.vsock_cid
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command.extend(opts.args)
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else:
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command.append("-nographic")
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return QemuCommand(command, vsock_cid=vsock_cid)
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@ -3,7 +3,6 @@ import importlib
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import json
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import logging
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import os
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import random
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from dataclasses import dataclass, field
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from pathlib import Path
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from tempfile import TemporaryDirectory
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@ -15,139 +14,13 @@ from ..machines.machines import Machine
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from ..nix import nix_shell
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from ..secrets.generate import generate_secrets
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from .inspect import VmConfig, inspect_vm
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from .qemu import qemu_command
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from .virtiofsd import start_virtiofsd
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from .waypipe import start_waypipe
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log = logging.getLogger(__name__)
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@dataclass
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class GraphicOptions:
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args: list[str]
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vsock_cid: int | None = None
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def graphics_options(vm: VmConfig) -> GraphicOptions:
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common = [
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"-audio",
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"driver=pa,model=virtio",
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]
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if vm.waypipe:
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# FIXME: check for collisions
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cid = random.randint(1, 2**32)
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# fmt: off
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return GraphicOptions([
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*common,
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"-nographic",
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"-vga", "none",
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"-device", f"vhost-vsock-pci,id=vhost-vsock-pci0,guest-cid={cid}",
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# TODO: vgpu
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#"-display", "egl-headless,gl=core",
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#"-device", "virtio-vga,blob=true",
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#"-device", "virtio-serial-pci",
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#"-device", "vhost-user-vga,chardev=vgpu",
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#"-chardev", "socket,id=vgpu,path=/tmp/vgpu.sock",
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], cid)
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# fmt: on
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else:
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# fmt: off
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return GraphicOptions([
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*common,
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"-vga", "none",
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"-display", "gtk,gl=on",
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"-device", "virtio-gpu-gl",
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"-display", "spice-app,gl=on",
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"-device", "virtio-serial-pci",
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"-chardev", "spicevmc,id=vdagent0,name=vdagent",
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"-device", "virtserialport,chardev=vdagent0,name=com.redhat.spice.0",
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"-device", "qemu-xhci,id=spicepass",
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"-chardev", "spicevmc,id=usbredirchardev1,name=usbredir",
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"-device", "usb-redir,chardev=usbredirchardev1,id=usbredirdev1",
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"-chardev", "spicevmc,id=usbredirchardev2,name=usbredir",
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"-device", "usb-redir,chardev=usbredirchardev2,id=usbredirdev2",
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"-chardev", "spicevmc,id=usbredirchardev3,name=usbredir",
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"-device", "usb-redir,chardev=usbredirchardev3,id=usbredirdev3",
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"-device", "pci-ohci,id=smartpass",
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"-device", "usb-ccid",
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"-chardev", "spicevmc,id=ccid,name=smartcard",
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], None)
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# fmt: on
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@dataclass
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class QemuCommand:
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args: list[str]
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vsock_cid: int | None = None
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def qemu_command(
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vm: VmConfig,
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nixos_config: dict[str, str],
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secrets_dir: Path,
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rootfs_img: Path,
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state_img: Path,
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virtiofsd_socket: Path,
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qmp_socket_file: Path,
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qga_socket_file: Path,
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) -> QemuCommand:
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kernel_cmdline = [
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(Path(nixos_config["toplevel"]) / "kernel-params").read_text(),
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f'init={nixos_config["toplevel"]}/init',
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f'regInfo={nixos_config["regInfo"]}/registration',
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"console=hvc0",
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]
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if not vm.waypipe:
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kernel_cmdline.append("console=tty0")
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# fmt: off
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command = [
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"qemu-kvm",
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"-name", vm.machine_name,
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"-m", f'{nixos_config["memorySize"]}M',
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"-object", f"memory-backend-memfd,id=mem,size={nixos_config['memorySize']}M",
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"-machine", "pc,memory-backend=mem,accel=kvm",
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"-smp", str(nixos_config["cores"]),
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"-cpu", "max",
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"-enable-kvm",
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# speed-up boot by not waiting for the boot menu
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"-boot", "menu=off,strict=on",
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"-device", "virtio-rng-pci",
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"-netdev", "user,id=user.0",
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"-device", "virtio-net-pci,netdev=user.0,romfile=",
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"-chardev", f"socket,id=char1,path={virtiofsd_socket}",
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"-device", "vhost-user-fs-pci,chardev=char1,tag=nix-store",
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"-virtfs", f"local,path={secrets_dir},security_model=none,mount_tag=secrets",
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"-drive", f"cache=writeback,file={rootfs_img},format=qcow2,id=drive1,if=none,index=1,werror=report",
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"-device", "virtio-blk-pci,bootindex=1,drive=drive1,serial=root",
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"-drive", f"cache=writeback,file={state_img},format=qcow2,id=state,if=none,index=2,werror=report",
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"-device", "virtio-blk-pci,drive=state",
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"-device", "virtio-keyboard",
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"-usb", "-device", "usb-tablet,bus=usb-bus.0",
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"-kernel", f'{nixos_config["toplevel"]}/kernel',
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"-initrd", nixos_config["initrd"],
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"-append", " ".join(kernel_cmdline),
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# qmp & qga setup
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"-qmp", f"unix:{qmp_socket_file},server,wait=off",
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"-chardev", f"socket,path={qga_socket_file},server=on,wait=off,id=qga0",
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"-device", "virtio-serial",
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"-device", "virtserialport,chardev=qga0,name=org.qemu.guest_agent.0",
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"-serial", "null",
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"-chardev", "stdio,mux=on,id=char0,signal=off",
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"-mon", "chardev=char0,mode=readline",
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"-device", "virtconsole,chardev=char0,nr=0",
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] # fmt: on
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vsock_cid = None
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if vm.graphics:
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opts = graphics_options(vm)
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vsock_cid = opts.vsock_cid
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command.extend(opts.args)
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else:
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command.append("-nographic")
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return QemuCommand(command, vsock_cid=vsock_cid)
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def facts_to_nixos_config(facts: dict[str, dict[str, bytes]]) -> dict:
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nixos_config: dict = {}
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nixos_config["clanCore"] = {}
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