Extensions

(cherry picked from commit c7b9f22)
(cherry picked from commit 2cfd17e)

Makefile

@@ -31,6 +31,8 @@ check_upstream_package_updates: check
 	. ./venv-${COMMIT_HASH}/bin/activate && scale_build check_upstream_package_updates
 iso: check
 	. ./venv-${COMMIT_HASH}/bin/activate && scale_build iso
+extensions: check
+	. ./venv-${COMMIT_HASH}/bin/activate && scale_build extensions
 packages: check
 ifeq ($(PACKAGES),"")
 	. ./venv-${COMMIT_HASH}/bin/activate && scale_build packages

scale_build/extensions.py

@@ -0,0 +1,152 @@
+import errno
+import json
+import logging
+import os
+import shutil
+
+import requests
+
+from .exceptions import CallError
+from .image.bootstrap import clean_mounts
+from .image.manifest import update_file_path
+from .image.utils import run_in_chroot
+from .utils.paths import CD_DIR, CHROOT_BASEDIR, CHROOT_OVERLAY, RELEASE_DIR
+from .utils.run import run
+
+logger = logging.getLogger(__name__)
+
+BINARIES = ("apt", "apt-config", "apt-key", "dpkg")
+TEMPORARY_PACKAGES = ["gcc", "make", "pkg-config"]
+PERMANENT_PACKAGES = ["libvulkan1", "nvidia-container-toolkit", "vulkan-validationlayers"]
+HEADERS = {"User-Agent": "curl/7.88.1"}
+EXTENSIONS_DIR = os.path.join(RELEASE_DIR, "extensions")
+
+
+def build_extensions():
+    clean_mounts()
+
+    if not os.path.exists(update_file_path()):
+        raise CallError("Missing rootfs image. Run `make update` first.")
+
+    if os.path.exists(CHROOT_BASEDIR):
+        shutil.rmtree(CHROOT_BASEDIR)
+    if os.path.exists(CHROOT_OVERLAY):
+        shutil.rmtree(CHROOT_OVERLAY)
+
+    run(["mount", "-o", "loop", update_file_path(), CD_DIR])
+    try:
+        run(["unsquashfs", "-dest", CHROOT_BASEDIR, os.path.join(CD_DIR, "rootfs.squashfs")])
+        run(["unsquashfs", "-dest", CHROOT_OVERLAY, os.path.join(CD_DIR, "rootfs.squashfs")])
+        with open(f"{CD_DIR}/manifest.json") as f:
+            manifest = json.load(f)
+    finally:
+        run(["umount", CD_DIR])
+
+    run(["mount", "proc", os.path.join(CHROOT_BASEDIR, "proc"), "-t", "proc"])
+    run(["mount", "sysfs", os.path.join(CHROOT_BASEDIR, "sys"), "-t", "sysfs"])
+    try:
+        shutil.copyfile("/etc/resolv.conf", f"{CHROOT_BASEDIR}/etc/resolv.conf")
+
+        for binary in BINARIES:
+            os.unlink(os.path.join(CHROOT_BASEDIR, f"usr/local/bin/{binary}"))
+            os.chmod(os.path.join(CHROOT_BASEDIR, f"usr/bin/{binary}"), 0o755)
+
+        add_nvidia_repository()
+        run_in_chroot(["apt", "update"])
+        run_in_chroot(["apt", "-y", "install"] + TEMPORARY_PACKAGES + PERMANENT_PACKAGES)
+
+        install_nvidia_driver(manifest["kernel_version"])
+
+        run_in_chroot(["apt", "-y", "remove"] + TEMPORARY_PACKAGES)
+        run_in_chroot(["apt", "-y", "autoremove"])
+    finally:
+        run(["umount", os.path.join(CHROOT_BASEDIR, "sys")])
+        run(["umount", os.path.join(CHROOT_BASEDIR, "proc")])
+
+    if os.path.exists(EXTENSIONS_DIR):
+        shutil.rmtree(EXTENSIONS_DIR)
+    build_extension("nvidia")
+
+
+def add_nvidia_repository():
+    r = requests.get("https://nvidia.github.io/libnvidia-container/gpgkey")
+    r.raise_for_status()
+
+    with open(f"{CHROOT_BASEDIR}/key.gpg", "w") as f:
+        f.write(r.text)
+
+    run_in_chroot(["gpg", "-o", "/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg", "--dearmor", "/key.gpg"])
+
+    with open(f"{CHROOT_BASEDIR}/etc/apt/sources.list.d/nvidia-container-toolkit.list", "w") as f:
+        f.write("deb [signed-by=/usr/share/keyrings/nvidia-container-toolkit-keyring.gpg] "
+                "https://nvidia.github.io/libnvidia-container/stable/deb/$(ARCH) /")
+
+
+def download_nvidia_driver():
+    prefix = "https://download.nvidia.com/XFree86/Linux-x86_64"
+
+    r = requests.get(f"{prefix}/latest.txt", headers=HEADERS, timeout=10)
+    r.raise_for_status()
+    version = r.text.split()[0]
+    filename = f"NVIDIA-Linux-x86_64-{version}-no-compat32.run"
+    result = f"{CHROOT_BASEDIR}/{filename}"
+
+    with requests.get(f"{prefix}/{version}/{filename}", headers=HEADERS, stream=True, timeout=10) as r:
+        r.raise_for_status()
+        with open(result, "wb") as f:
+            shutil.copyfileobj(r.raw, f)
+
+    os.chmod(result, 0o755)
+    return result
+
+
+def install_nvidia_driver(kernel_version):
+    driver = download_nvidia_driver()
+
+    run_in_chroot([f"/{os.path.basename(driver)}", "--skip-module-load", "--silent", f"--kernel-name={kernel_version}",
+                   "--allow-installation-with-running-driver", "--no-rebuild-initramfs"])
+
+    os.unlink(driver)
+
+
+def build_extension(name):
+    changed_files = [
+        os.path.relpath(filename, CHROOT_BASEDIR)
+        for filename in map(
+            lambda filename: os.path.join(os.getcwd(), filename),
+            run(
+                ["rsync", "-avn", "--out-format=%f", f"{CHROOT_BASEDIR}/", f"{CHROOT_OVERLAY}/"],
+                log=False,
+            ).stdout.split("\n")
+        )
+        if os.path.abspath(filename).startswith(os.path.abspath(CHROOT_BASEDIR))
+    ]
+
+    sysext_files = [f for f in changed_files if f.startswith("usr/") and not (f.startswith("usr/src/"))]
+
+    for root, dirs, files in os.walk(CHROOT_BASEDIR, topdown=False):
+        for f in files:
+            path = os.path.relpath(os.path.abspath(os.path.join(root, f)), CHROOT_BASEDIR)
+            if path not in sysext_files:
+                os.unlink(os.path.join(root, f))
+
+        for d in dirs:
+            try:
+                os.rmdir(os.path.join(root, d))
+            except NotADirectoryError:
+                os.unlink(os.path.join(root, d))  # It's a symlink
+            except OSError as e:
+                if e.errno == errno.ENOTEMPTY:
+                    pass
+                else:
+                    raise
+
+    os.makedirs(f"{CHROOT_BASEDIR}/usr/lib/extension-release.d", exist_ok=True)
+    with open(f"{CHROOT_BASEDIR}/usr/lib/extension-release.d/extension-release.{name}", "w") as f:
+        f.write("ID=_any\n")
+
+    os.makedirs(EXTENSIONS_DIR, exist_ok=True)
+    path = os.path.join(EXTENSIONS_DIR, f"{name}.raw")
+    run(["mksquashfs", CHROOT_BASEDIR, path, "-comp", "xz"])
+    with open(f"{path}.sha256", "w") as f:
+        f.write(run(["sha256sum", path], log=False).stdout.split()[0])

scale_build/main.py

@@ -10,6 +10,7 @@
 from .upstream_package_updates import check_upstream_package_updates
 from .epoch import check_epoch
 from .exceptions import CallError
+from .extensions import build_extensions
 from .iso import build_iso
 from .package import build_packages
 from .preflight import preflight_check
@@ -62,6 +63,7 @@ def main():
     )
     subparsers.add_parser('update', help='Create TrueNAS Scale update image')
     subparsers.add_parser('iso', help='Create TrueNAS Scale iso installation file')
+    subparsers.add_parser('extensions', help='Create TrueNAS extensions files')
     branchout_parser = subparsers.add_parser('branchout', help='Checkout new branch for all packages')
     branchout_parser.add_argument(
         '--skip-push', '-sp', action='store_true', default=False,
@@ -90,6 +92,9 @@ def main():
     elif args.action == 'iso':
         validate()
         build_iso()
+    elif args.action == 'extensions':
+        validate()
+        build_extensions()
     elif args.action == 'clean':
         complete_cleanup()
     elif args.action == 'validate':