293 строки
17 KiB
Python
293 строки
17 KiB
Python
#!/usr/bin/env python3
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from pathlib import Path
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import re
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import sys
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app_path = Path(sys.argv[1]) if len(sys.argv) > 1 else Path('/opt/virtuality/web/app.py')
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if not app_path.exists():
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raise SystemExit(f'app.py not found: {app_path}')
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text = app_path.read_text()
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changed = []
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warnings = []
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if 'DISK_IMAGES_DIR = Path("/var/lib/virtuality/disk-images")' not in text:
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text = text.replace('IMAGES_DIR = Path("/var/lib/virtuality/images")\n', 'IMAGES_DIR = Path("/var/lib/virtuality/images")\nDISK_IMAGES_DIR = Path("/var/lib/virtuality/disk-images")\n', 1)
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changed.append('DISK_IMAGES_DIR added')
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else:
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changed.append('DISK_IMAGES_DIR already present')
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helpers = r'''
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def vm_arch_options() -> list[dict[str, str]]:
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return [
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{"value": "auto", "label": "Auto — по профилю хоста"},
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{"value": "x86_64", "label": "x86_64 / amd64"},
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{"value": "aarch64", "label": "ARM64 / aarch64"},
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{"value": "generic", "label": "Generic / no arch override"},
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]
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def normalize_guest_arch(value: str, profile: dict[str, Any]) -> str:
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value = (value or "auto").strip()
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if value == "auto":
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return str(profile.get("recommended_guest_arch") or "x86_64")
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if value in ("x86_64", "amd64"):
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return "x86_64"
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if value in ("aarch64", "arm64"):
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return "aarch64"
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if value == "generic":
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return "generic"
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return str(profile.get("recommended_guest_arch") or "x86_64")
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def list_disk_image_files() -> list[dict[str, str]]:
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DISK_IMAGES_DIR.mkdir(parents=True, exist_ok=True)
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files = []
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for item in sorted(list(DISK_IMAGES_DIR.glob("*.img")) + list(DISK_IMAGES_DIR.glob("*.raw")) + list(DISK_IMAGES_DIR.glob("*.qcow2"))):
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try:
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stat = item.stat()
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size_gb = stat.st_size / 1024 / 1024 / 1024
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updated = datetime.fromtimestamp(stat.st_mtime).strftime("%Y-%m-%d %H:%M")
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except OSError:
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size_gb = 0
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updated = "unknown"
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files.append({"name": item.name, "path": str(item), "format": item.suffix.lower().lstrip('.'), "size": f"{size_gb:.2f} GB", "updated": updated})
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return files
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def safe_disk_image_filename(filename: str) -> str | None:
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name = Path(filename or "").name.strip().replace(" ", "-")
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name = re.sub(r"[^a-zA-Z0-9_.-]", "_", name)
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if not name.lower().endswith((".img", ".raw", ".qcow2")):
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return None
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if not re.fullmatch(r"[a-zA-Z0-9][a-zA-Z0-9_.-]{1,180}\.(img|raw|qcow2)", name, re.IGNORECASE):
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return None
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return name
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def disk_image_path_by_name(name: str) -> Path | None:
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safe_name = safe_disk_image_filename(name)
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if not safe_name:
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return None
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path = (DISK_IMAGES_DIR / safe_name).resolve()
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if DISK_IMAGES_DIR.resolve() not in path.parents:
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return None
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return path
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def disk_image_format(path: Path) -> str:
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suffix = path.suffix.lower().lstrip('.')
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if suffix == 'qcow2':
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return 'qcow2'
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return 'raw'
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def bridge_exists(name: str) -> bool:
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if not name or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", name):
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return False
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return run_cmd(["ip", "link", "show", name], timeout=5)["ok"]
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'''
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if 'def list_disk_image_files() -> list[dict[str, str]]:' not in text:
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marker = '\n\ndef valid_vm_name(name: str) -> bool:'
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if marker not in text:
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raise SystemExit('valid_vm_name marker not found')
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text = text.replace(marker, helpers + marker, 1)
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changed.append('disk image and architecture helpers added')
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else:
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if 'def vm_arch_options()' not in text:
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insert = helpers.split('\n\ndef list_disk_image_files()', 1)[0]
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marker = '\n\ndef list_disk_image_files() -> list[dict[str, str]]:'
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text = text.replace(marker, insert + marker, 1)
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changed.append('architecture helpers added')
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else:
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changed.append('architecture helpers already present')
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changed.append('disk image helpers already present')
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text = text.replace('\n\ndef bridge_exists(name: str) -> bool:\n if not name or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", name):\n return False\n return run_cmd(["ip", "link", "show", name], timeout=5)["ok"]\n\n\ndef bridge_exists(name: str) -> bool:\n if not name or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", name):\n return False\n return run_cmd(["ip", "link", "show", name], timeout=5)["ok"]\n', '\n\ndef bridge_exists(name: str) -> bool:\n if not name or not re.fullmatch(r"[a-zA-Z0-9_.:-]+", name):\n return False\n return run_cmd(["ip", "link", "show", name], timeout=5)["ok"]\n')
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# Upgrade vm_form_context robustly.
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old_context = '"isos": list_iso_files(), "error": error, "profile": profile, "form": form or {"memory": 2048, "vcpus": 2, "disk_size": 20, "network_mode": default_mode, "bridge": DEFAULT_BRIDGE}}'
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new_context = '"isos": list_iso_files(), "disk_images": list_disk_image_files(), "arch_options": vm_arch_options(), "error": error, "profile": profile, "form": form or {"memory": 2048, "vcpus": 2, "disk_size": 20, "source_type": "iso", "guest_arch": "auto", "network_mode": default_mode, "bridge": DEFAULT_BRIDGE}}'
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if old_context in text:
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text = text.replace(old_context, new_context, 1)
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changed.append('vm form context gets disk images and arch options')
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elif '"disk_images": list_disk_image_files()' in text and '"arch_options": vm_arch_options()' not in text:
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text = text.replace('"disk_images": list_disk_image_files(),', '"disk_images": list_disk_image_files(), "arch_options": vm_arch_options(),')
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text = text.replace('"source_type": "iso", "network_mode"', '"source_type": "iso", "guest_arch": "auto", "network_mode"')
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changed.append('vm form context upgraded with arch options')
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elif '"arch_options": vm_arch_options()' in text:
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changed.append('vm form context already has arch options')
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else:
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warnings.append('vm_form_context marker not found')
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routes = r'''
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@app.get("/disk-images", response_class=HTMLResponse)
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def disk_images_page(request: Request, error: str | None = None):
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auth_redirect = require_auth(request)
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if auth_redirect:
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return auth_redirect
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return templates.TemplateResponse("disk_images.html", {"request": request, "app_name": APP_NAME, "user": AUTH_USER, "images": list_disk_image_files(), "error": error})
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@app.post("/disk-images/upload", response_class=HTMLResponse)
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def disk_image_upload(request: Request, image_file: UploadFile = File(...)):
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auth_redirect = require_auth(request)
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if auth_redirect:
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return auth_redirect
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safe_name = safe_disk_image_filename(image_file.filename or "")
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if not safe_name:
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return templates.TemplateResponse("disk_images.html", {"request": request, "app_name": APP_NAME, "user": AUTH_USER, "images": list_disk_image_files(), "error": "Можно загружать только .img, .raw или .qcow2 файлы с безопасным именем."}, status_code=400)
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DISK_IMAGES_DIR.mkdir(parents=True, exist_ok=True)
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target = DISK_IMAGES_DIR / safe_name
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if target.exists():
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return templates.TemplateResponse("disk_images.html", {"request": request, "app_name": APP_NAME, "user": AUTH_USER, "images": list_disk_image_files(), "error": f"Образ уже существует: {safe_name}"}, status_code=400)
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tmp_target = DISK_IMAGES_DIR / f".{safe_name}.uploading"
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try:
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with tmp_target.open("wb") as out:
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shutil.copyfileobj(image_file.file, out)
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tmp_target.rename(target)
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except Exception as exc:
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tmp_target.unlink(missing_ok=True)
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return templates.TemplateResponse("disk_images.html", {"request": request, "app_name": APP_NAME, "user": AUTH_USER, "images": list_disk_image_files(), "error": f"Ошибка загрузки образа: {exc}"}, status_code=500)
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return RedirectResponse(url="/disk-images", status_code=303)
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@app.post("/disk-images/{name}/delete")
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def disk_image_delete(request: Request, name: str):
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auth_redirect = require_auth(request)
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if auth_redirect:
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return auth_redirect
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path = disk_image_path_by_name(name)
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if path and path.exists() and path.is_file():
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path.unlink()
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return RedirectResponse(url="/disk-images", status_code=303)
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'''
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if '@app.get("/disk-images"' not in text:
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marker = '\n\n@app.get("/network", response_class=HTMLResponse)'
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if marker not in text:
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raise SystemExit('network route marker not found')
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text = text.replace(marker, routes + marker, 1)
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changed.append('disk image routes added')
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else:
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changed.append('disk image routes already present')
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old_sig = 'def vm_create_submit(request: Request, name: str = Form(...), memory: int = Form(...), vcpus: int = Form(...), disk_size: int = Form(...), iso_path: str = Form(...), network_mode: str = Form("nat"), bridge: str = Form(DEFAULT_BRIDGE)):'
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new_sig = 'def vm_create_submit(request: Request, name: str = Form(...), memory: int = Form(...), vcpus: int = Form(...), disk_size: int = Form(...), iso_path: str = Form(""), disk_image_path: str = Form(""), source_type: str = Form("iso"), guest_arch: str = Form("auto"), network_mode: str = Form("nat"), bridge: str = Form(DEFAULT_BRIDGE)):'
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if old_sig in text:
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text = text.replace(old_sig, new_sig, 1)
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changed.append('vm create signature supports disk images and guest arch')
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elif 'source_type: str = Form("iso")' in text and 'guest_arch: str = Form("auto")' not in text:
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text = text.replace('source_type: str = Form("iso"), network_mode:', 'source_type: str = Form("iso"), guest_arch: str = Form("auto"), network_mode:', 1)
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changed.append('vm create signature upgraded with guest arch')
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elif 'guest_arch: str = Form("auto")' in text:
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changed.append('vm create signature already supports guest arch')
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else:
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warnings.append('vm_create_submit signature marker not found')
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old_body = 'form = {"name": name, "memory": memory, "vcpus": vcpus, "disk_size": disk_size, "iso_path": iso_path, "network_mode": network_mode, "bridge": bridge}'
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new_body = 'form = {"name": name, "memory": memory, "vcpus": vcpus, "disk_size": disk_size, "iso_path": iso_path, "disk_image_path": disk_image_path, "source_type": source_type, "guest_arch": guest_arch, "network_mode": network_mode, "bridge": bridge}'
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if old_body in text:
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text = text.replace(old_body, new_body, 1)
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changed.append('vm create form state supports source type and guest arch')
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elif '"source_type": source_type' in text and '"guest_arch": guest_arch' not in text:
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text = text.replace('"source_type": source_type, "network_mode"', '"source_type": source_type, "guest_arch": guest_arch, "network_mode"')
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changed.append('vm create form state upgraded with guest arch')
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old_iso_validation = ''' else:
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iso = Path(iso_path).resolve()
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if ISO_DIR.resolve() not in iso.parents or iso.suffix.lower() != ".iso" or not iso.exists():
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error = "ISO должен быть существующим .iso файлом из /var/lib/virtuality/iso."
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'''
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new_iso_validation = ''' elif source_type not in ("iso", "disk_image"):
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error = "Некорректный источник VM."
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elif guest_arch not in ("auto", "x86_64", "aarch64", "generic"):
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error = "Некорректная архитектура VM."
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elif network_mode == "bridge" and not bridge_exists(bridge):
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error = f"Bridge {bridge} не найден на сервере. Для VPS выбери режим NAT Router — virtuality-nat, либо сначала создай bridge {bridge}."
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else:
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if source_type == "iso":
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iso = Path(iso_path).resolve()
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if ISO_DIR.resolve() not in iso.parents or iso.suffix.lower() != ".iso" or not iso.exists():
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error = "ISO должен быть существующим .iso файлом из /var/lib/virtuality/iso."
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else:
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disk_image = Path(disk_image_path).resolve()
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if DISK_IMAGES_DIR.resolve() not in disk_image.parents or disk_image.suffix.lower() not in (".img", ".raw", ".qcow2") or not disk_image.exists():
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error = "Образ диска должен быть существующим .img, .raw или .qcow2 файлом из /var/lib/virtuality/disk-images."
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'''
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if old_iso_validation in text:
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text = text.replace(old_iso_validation, new_iso_validation, 1)
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changed.append('vm create validation supports disk image source and guest arch')
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elif 'guest_arch not in' not in text and 'source_type == "iso"' in text:
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text = text.replace('elif network_mode not in ("nat", "bridge"):\n error = "Некорректный режим сети."', 'elif network_mode not in ("nat", "bridge"):\n error = "Некорректный режим сети."\n elif guest_arch not in ("auto", "x86_64", "aarch64", "generic"):\n error = "Некорректная архитектура VM."', 1)
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changed.append('vm create validation upgraded with guest arch')
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elif 'guest_arch not in' in text:
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changed.append('vm create validation already supports guest arch')
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old_cmd = ''' IMAGES_DIR.mkdir(parents=True, exist_ok=True)
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disk_path = IMAGES_DIR / f"{name}.qcow2"
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if disk_path.exists():
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return vm_form_context(request, error=f"Диск уже существует: {disk_path}", form=form, status_code=400)
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profile = host_profile.load_host_profile()
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is_arm = profile.get("recommended_guest_arch") == "aarch64"
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network_arg = f"network={network_core.NETWORK_NAME},model=virtio" if network_mode == "nat" else f"bridge={bridge},model=virtio"
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cmd = ["virt-install", "--name", name, "--memory", str(memory), "--vcpus", str(vcpus)]
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if is_arm:
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cmd += ["--arch", "aarch64", "--machine", "virt", "--cpu", "host", "--virt-type", "kvm", "--boot", "uefi"]
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cmd += ["--disk", f"path={disk_path},size={disk_size},format=qcow2,bus=virtio", "--cdrom", iso_path, "--os-variant", "generic", "--network", network_arg, "--graphics", "vnc,listen=0.0.0.0", "--noautoconsole"]
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'''
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new_cmd = ''' IMAGES_DIR.mkdir(parents=True, exist_ok=True)
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disk_path = IMAGES_DIR / f"{name}.qcow2"
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if disk_path.exists():
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return vm_form_context(request, error=f"Диск уже существует: {disk_path}", form=form, status_code=400)
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profile = host_profile.load_host_profile()
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selected_arch = normalize_guest_arch(guest_arch, profile)
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is_arm = selected_arch == "aarch64"
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virt_type = "kvm" if profile.get("kvm_device") else "qemu"
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network_arg = f"network={network_core.NETWORK_NAME},model=virtio" if network_mode == "nat" else f"bridge={bridge},model=virtio"
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cmd = ["virt-install", "--name", name, "--memory", str(memory), "--vcpus", str(vcpus), "--virt-type", virt_type]
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if selected_arch == "x86_64":
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cmd += ["--arch", "x86_64"]
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elif is_arm:
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cmd += ["--arch", "aarch64", "--machine", "virt", "--cpu", "host" if virt_type == "kvm" else "cortex-a57", "--boot", "uefi"]
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if source_type == "disk_image":
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source_disk = Path(disk_image_path).resolve()
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source_format = disk_image_format(source_disk)
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convert_cmd = f"qemu-img convert -p -f {source_format} -O qcow2 {source_disk} {disk_path}"
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virt_cmd = " ".join(cmd + ["--import", "--disk", f"path={disk_path},format=qcow2,bus=virtio", "--os-variant", "generic", "--network", network_arg, "--graphics", "vnc,listen=0.0.0.0", "--noautoconsole"])
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cmd = ["bash", "-lc", f"set -euo pipefail; {convert_cmd}; {virt_cmd}"]
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else:
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cmd += ["--disk", f"path={disk_path},size={disk_size},format=qcow2,bus=virtio", "--cdrom", iso_path, "--os-variant", "generic", "--network", network_arg, "--graphics", "vnc,listen=0.0.0.0", "--noautoconsole"]
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'''
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if old_cmd in text:
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text = text.replace(old_cmd, new_cmd, 1)
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changed.append('vm create command supports qemu fallback, guest arch and disk image import')
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elif 'selected_arch = normalize_guest_arch' in text:
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changed.append('vm create command already supports guest arch')
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elif 'virt_type = "kvm" if profile.get("kvm_device") else "qemu"' in text:
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# Upgrade existing qemu fallback block to use selected guest arch.
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text = text.replace('is_arm = profile.get("recommended_guest_arch") == "aarch64"\n virt_type =', 'selected_arch = normalize_guest_arch(guest_arch, profile)\n is_arm = selected_arch == "aarch64"\n virt_type =', 1)
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text = text.replace('if is_arm:\n cmd += ["--arch", "aarch64", "--machine", "virt", "--cpu", "host" if virt_type == "kvm" else "cortex-a57", "--boot", "uefi"]', 'if selected_arch == "x86_64":\n cmd += ["--arch", "x86_64"]\n elif is_arm:\n cmd += ["--arch", "aarch64", "--machine", "virt", "--cpu", "host" if virt_type == "kvm" else "cortex-a57", "--boot", "uefi"]', 1)
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changed.append('existing vm create command was upgraded with guest arch')
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else:
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warnings.append('vm command marker not found')
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# Ensure operation metadata keeps selected arch and source.
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if '"guest_arch": selected_arch' not in text and '"guest_arch": profile.get("recommended_guest_arch")' in text:
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text = text.replace('"guest_arch": profile.get("recommended_guest_arch")', '"guest_arch": selected_arch')
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if '"disk_image_path": disk_image_path' not in text:
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text = text.replace('"iso_path": iso_path, "host_profile"', '"iso_path": iso_path, "disk_image_path": disk_image_path, "source_type": source_type, "guest_arch": selected_arch, "host_profile"')
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app_path.write_text(text)
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print('disk images patch applied:')
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for item in changed:
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print(f'- {item}')
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for item in warnings:
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print(f'WARN: {item}')
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