vms/run: split large vm run method into smaller ones
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c4a8193047
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f6d4c721c4
@ -18,13 +18,47 @@ from .inspect import VmConfig, inspect_vm
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log = logging.getLogger(__name__)
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def graphics_options(vm: VmConfig) -> list[str]:
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if vm.wayland:
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# fmt: off
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return [
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"-nographic",
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"-vga", "none",
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"-device", "virtio-gpu-rutabaga,gfxstream-vulkan=on,cross-domain=on,hostmem=4G,wsi=headless",
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]
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# fmt: on
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else:
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# fmt: off
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return [
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"-audiodev", "spice,id=audio0",
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"-device", "intel-hda",
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"-device", "hda-duplex,audiodev=audio0",
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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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]
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# fmt: on
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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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xchg_dir: Path,
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secrets_dir: Path,
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disk_img: Path,
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spice_socket: Path,
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) -> list[str]:
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kernel_cmdline = [
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(Path(nixos_config["toplevel"]) / "kernel-params").read_text(),
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@ -58,42 +92,7 @@ def qemu_command(
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] # fmt: on
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if vm.graphics:
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if vm.wayland:
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# fmt: off
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command.extend(
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[
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"-audiodev", "spice,id=audio0",
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"-device", "intel-hda",
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"-device", "hda-duplex,audiodev=audio0",
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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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]
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)
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# fmt: on
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else:
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# fmt: off
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command.extend(
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[
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"-nographic",
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"-vga", "none",
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"-device", "virtio-gpu-rutabaga,gfxstream-vulkan=on,cross-domain=on,hostmem=4G,wsi=headless",
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]
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)
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# fmt: on
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command.extend(graphics_options(vm))
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else:
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command.append("-nographic")
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return command
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@ -143,6 +142,96 @@ def get_clan_name(vm: VmConfig, nix_options: list[str]) -> str:
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return proc.stdout.strip().strip('"')
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def generate_secrets(
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vm: VmConfig,
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clan_name: str,
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nixos_config: dict[str, str],
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tmpdir: Path,
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log_fd: IO[str] | None,
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) -> Path:
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secrets_dir = tmpdir / "secrets"
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secrets_dir.mkdir(exist_ok=True)
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env = os.environ.copy()
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env["CLAN_DIR"] = str(vm.flake_url)
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env["PYTHONPATH"] = str(":".join(sys.path)) # TODO do this in the clanCore module
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env["SECRETS_DIR"] = str(secrets_dir)
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# Only generate secrets for local clans
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if isinstance(vm.flake_url, Path) and vm.flake_url.is_dir():
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if Path(vm.flake_url).is_dir():
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subprocess.run(
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[nixos_config["generateSecrets"], clan_name],
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env=env,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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else:
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log.warning("won't generate secrets for non local clan")
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cmd = [nixos_config["uploadSecrets"]]
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res = subprocess.run(
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cmd,
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env=env,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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if res.returncode != 0:
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raise ClanError(
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f"Failed to upload secrets: {shlex.join(cmd)} failed with {res.returncode}"
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)
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return secrets_dir
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def prepare_disk(tmpdir: Path, log_fd: IO[str] | None) -> Path:
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disk_img = tmpdir / "disk.img"
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cmd = nix_shell(
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["qemu"],
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[
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"qemu-img",
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"create",
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"-f",
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"raw",
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str(disk_img),
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"1024M",
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],
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)
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res = subprocess.run(
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cmd,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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if res.returncode != 0:
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raise ClanError(
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f"Failed to create disk image: {shlex.join(cmd)} failed with {res.returncode}"
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)
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cmd = nix_shell(
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["e2fsprogs"],
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[
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"mkfs.ext4",
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"-L",
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"nixos",
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str(disk_img),
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],
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)
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res = subprocess.run(
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cmd,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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if res.returncode != 0:
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raise ClanError(
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f"Failed to create ext4 filesystem: {shlex.join(cmd)} failed with {res.returncode}"
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)
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return disk_img
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def run_vm(
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vm: VmConfig, nix_options: list[str] = [], log_fd: IO[str] | None = None
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) -> None:
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@ -165,86 +254,9 @@ def run_vm(
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tmpdir = Path(tmpdir_)
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xchg_dir = tmpdir / "xchg"
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xchg_dir.mkdir(exist_ok=True)
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secrets_dir = tmpdir / "secrets"
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secrets_dir.mkdir(exist_ok=True)
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disk_img = tmpdir / "disk.img"
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spice_socket = tmpdir / "spice.sock"
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env = os.environ.copy()
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env["CLAN_DIR"] = str(vm.flake_url)
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env["PYTHONPATH"] = str(
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":".join(sys.path)
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) # TODO do this in the clanCore module
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env["SECRETS_DIR"] = str(secrets_dir)
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# Only generate secrets for local clans
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if isinstance(vm.flake_url, Path) and vm.flake_url.is_dir():
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if Path(vm.flake_url).is_dir():
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subprocess.run(
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[nixos_config["generateSecrets"], clan_name],
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env=env,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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else:
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log.warning("won't generate secrets for non local clan")
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cmd = [nixos_config["uploadSecrets"]]
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res = subprocess.run(
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cmd,
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env=env,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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if res.returncode != 0:
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raise ClanError(
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f"Failed to upload secrets: {shlex.join(cmd)} failed with {res.returncode}"
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)
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cmd = nix_shell(
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["qemu"],
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[
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"qemu-img",
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"create",
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"-f",
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"raw",
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str(disk_img),
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"1024M",
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],
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)
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res = subprocess.run(
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cmd,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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if res.returncode != 0:
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raise ClanError(
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f"Failed to create disk image: {shlex.join(cmd)} failed with {res.returncode}"
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)
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cmd = nix_shell(
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["e2fsprogs"],
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[
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"mkfs.ext4",
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"-L",
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"nixos",
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str(disk_img),
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],
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)
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res = subprocess.run(
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cmd,
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check=False,
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stdout=log_fd,
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stderr=log_fd,
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)
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if res.returncode != 0:
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raise ClanError(
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f"Failed to create ext4 filesystem: {shlex.join(cmd)} failed with {res.returncode}"
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)
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secrets_dir = generate_secrets(vm, clan_name, nixos_config, tmpdir, log_fd)
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disk_img = prepare_disk(tmpdir, log_fd)
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qemu_cmd = qemu_command(
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vm,
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@ -252,7 +264,6 @@ def run_vm(
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xchg_dir=xchg_dir,
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secrets_dir=secrets_dir,
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disk_img=disk_img,
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spice_socket=spice_socket,
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)
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if vm.wayland:
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