forked from josch/mmdebstrap
examples/twb: format with black
This commit is contained in:
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GPG key ID:
F2CBA5C78FBD83E1
2 changed files with 254 additions and 245 deletions
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@ -21,68 +21,80 @@ NOTE: this is the simplest config possible.
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"""
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"""
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parser = argparse.ArgumentParser(description=__doc__)
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('output_file', nargs='?', default=pathlib.Path('filesystem.img'), type=pathlib.Path)
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parser.add_argument(
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"output_file", nargs="?", default=pathlib.Path("filesystem.img"), type=pathlib.Path
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)
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args = parser.parse_args()
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args = parser.parse_args()
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filesystem_img_size = '256M' # big enough to include filesystem.squashfs + about 64M of bootloader, kernel, and ramdisk.
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filesystem_img_size = "256M" # big enough to include filesystem.squashfs + about 64M of bootloader, kernel, and ramdisk.
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esp_offset = 1024 * 1024 # 1MiB
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esp_offset = 1024 * 1024 # 1MiB
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esp_label = 'UEFI-ESP' # max 8 bytes for FAT32
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esp_label = "UEFI-ESP" # max 8 bytes for FAT32
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live_media_path = 'debian-live'
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live_media_path = "debian-live"
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with tempfile.TemporaryDirectory(prefix='debian-live-bullseye-amd64-minimal.') as td:
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with tempfile.TemporaryDirectory(prefix="debian-live-bullseye-amd64-minimal.") as td:
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td = pathlib.Path(td)
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td = pathlib.Path(td)
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subprocess.check_call(
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subprocess.check_call(
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['mmdebstrap',
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[
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'--mode=unshare',
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"mmdebstrap",
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'--variant=apt',
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"--mode=unshare",
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'--aptopt=Acquire::http::Proxy "http://apt-cacher-ng.cyber.com.au:3142"',
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"--variant=apt",
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'--aptopt=Acquire::https::Proxy "DIRECT"',
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'--aptopt=Acquire::http::Proxy "http://apt-cacher-ng.cyber.com.au:3142"',
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'--dpkgopt=force-unsafe-io',
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'--aptopt=Acquire::https::Proxy "DIRECT"',
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'--include=linux-image-amd64 init initramfs-tools live-boot netbase',
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"--dpkgopt=force-unsafe-io",
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'--include=dbus', # https://bugs.debian.org/814758
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"--include=linux-image-amd64 init initramfs-tools live-boot netbase",
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'--include=live-config iproute2 keyboard-configuration locales sudo user-setup',
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"--include=dbus", # https://bugs.debian.org/814758
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'--include=ifupdown isc-dhcp-client', # live-config doesn't support systemd-networkd yet.
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"--include=live-config iproute2 keyboard-configuration locales sudo user-setup",
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"--include=ifupdown isc-dhcp-client", # live-config doesn't support systemd-networkd yet.
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# Do the **BARE MINIMUM** to make a USB key that can boot on X86_64 UEFI.
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# We use mtools so we do not ever need root privileges.
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# We can't use mkfs.vfat, as that needs kpartx or losetup (i.e. root).
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# We can't use mkfs.udf, as that needs mount (i.e. root).
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# We can't use "refind-install --usedefault" as that runs mount(8) (i.e. root).
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# We don't use genisoimage because
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# 1) ISO9660 must die;
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# 2) incomplete UDF 1.5+ support;
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# 3) resulting filesystem can't be tweaked after flashing (e.g. debian-live/site.dir/etc/systemd/network/up.network).
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#
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# We use refind because 1) I hate grub; and 2) I like refind.
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# If you want aarch64 or ia32 you need to install their BOOTxxx.EFI files.
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# If you want kernel+initrd on something other than FAT, you need refind/drivers_xxx/xxx_xxx.EFI.
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#
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# FIXME: with qemu in UEFI mode (OVMF), I get dumped into startup.nsh (UEFI REPL).
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# From there, I can manually type in "FS0:\EFI\BOOT\BOOTX64.EFI" to start refind, tho.
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# So WTF is its problem? Does it not support fallback bootloader?
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"--include=refind parted mtools",
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"--essential-hook=echo refind refind/install_to_esp boolean false | chroot $1 debconf-set-selections",
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"--customize-hook=echo refind refind/install_to_esp boolean true | chroot $1 debconf-set-selections",
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"--customize-hook=chroot $1 mkdir -p /boot/USB /boot/EFI/BOOT",
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"--customize-hook=chroot $1 cp /usr/share/refind/refind/refind_x64.efi /boot/EFI/BOOT/BOOTX64.EFI",
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f"--customize-hook=chroot $1 truncate --size={filesystem_img_size} /boot/USB/filesystem.img",
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f"--customize-hook=chroot $1 parted --script --align=optimal /boot/USB/filesystem.img mklabel gpt mkpart {esp_label} {esp_offset}b 100% set 1 esp on",
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f"--customize-hook=chroot $1 mformat -i /boot/USB/filesystem.img@@{esp_offset} -F -v {esp_label}",
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f"--customize-hook=chroot $1 mmd -i /boot/USB/filesystem.img@@{esp_offset} ::{live_media_path}",
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f"""--customize-hook=echo '"Boot with default options" "boot=live live-media-path={live_media_path}"' >$1/boot/refind_linux.conf""",
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# NOTE: find sidesteps the "glob expands before chroot applies" problem.
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f"""--customize-hook=chroot $1 find -O3 /boot/ -xdev -mindepth 1 -maxdepth 1 -regextype posix-egrep -iregex '.*/(EFI|refind_linux.conf|vmlinuz.*|initrd.img.*)' -exec mcopy -vsbpm -i /boot/USB/filesystem.img@@{esp_offset} {{}} :: ';'""",
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# FIXME: copy-out doesn't handle sparseness, so is REALLY slow (about 50 seconds).
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# Therefore instead leave it in the squashfs, and extract it later.
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# f'--customize-hook=copy-out /boot/USB/filesystem.img /tmp/',
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# f'--customize-hook=chroot $1 rm /boot/USB/filesystem.img',
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"bullseye",
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td / "filesystem.squashfs",
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]
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)
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# Do the **BARE MINIMUM** to make a USB key that can boot on X86_64 UEFI.
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with args.output_file.open("wb") as f:
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# We use mtools so we do not ever need root privileges.
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subprocess.check_call(
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# We can't use mkfs.vfat, as that needs kpartx or losetup (i.e. root).
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["rdsquashfs", "--cat=boot/USB/filesystem.img", td / "filesystem.squashfs"],
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# We can't use mkfs.udf, as that needs mount (i.e. root).
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stdout=f,
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# We can't use "refind-install --usedefault" as that runs mount(8) (i.e. root).
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)
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# We don't use genisoimage because
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subprocess.check_call(
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# 1) ISO9660 must die;
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[
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# 2) incomplete UDF 1.5+ support;
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"mcopy",
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# 3) resulting filesystem can't be tweaked after flashing (e.g. debian-live/site.dir/etc/systemd/network/up.network).
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"-i",
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#
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f"{args.output_file}@@{esp_offset}",
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# We use refind because 1) I hate grub; and 2) I like refind.
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td / "filesystem.squashfs",
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# If you want aarch64 or ia32 you need to install their BOOTxxx.EFI files.
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f"::{live_media_path}/filesystem.squashfs",
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# If you want kernel+initrd on something other than FAT, you need refind/drivers_xxx/xxx_xxx.EFI.
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]
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#
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)
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# FIXME: with qemu in UEFI mode (OVMF), I get dumped into startup.nsh (UEFI REPL).
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# From there, I can manually type in "FS0:\EFI\BOOT\BOOTX64.EFI" to start refind, tho.
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# So WTF is its problem? Does it not support fallback bootloader?
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'--include=refind parted mtools',
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'--essential-hook=echo refind refind/install_to_esp boolean false | chroot $1 debconf-set-selections',
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'--customize-hook=echo refind refind/install_to_esp boolean true | chroot $1 debconf-set-selections',
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'--customize-hook=chroot $1 mkdir -p /boot/USB /boot/EFI/BOOT',
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'--customize-hook=chroot $1 cp /usr/share/refind/refind/refind_x64.efi /boot/EFI/BOOT/BOOTX64.EFI',
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f'--customize-hook=chroot $1 truncate --size={filesystem_img_size} /boot/USB/filesystem.img',
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f'--customize-hook=chroot $1 parted --script --align=optimal /boot/USB/filesystem.img mklabel gpt mkpart {esp_label} {esp_offset}b 100% set 1 esp on',
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f'--customize-hook=chroot $1 mformat -i /boot/USB/filesystem.img@@{esp_offset} -F -v {esp_label}',
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f'--customize-hook=chroot $1 mmd -i /boot/USB/filesystem.img@@{esp_offset} ::{live_media_path}',
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f"""--customize-hook=echo '"Boot with default options" "boot=live live-media-path={live_media_path}"' >$1/boot/refind_linux.conf""",
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# NOTE: find sidesteps the "glob expands before chroot applies" problem.
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f"""--customize-hook=chroot $1 find -O3 /boot/ -xdev -mindepth 1 -maxdepth 1 -regextype posix-egrep -iregex '.*/(EFI|refind_linux.conf|vmlinuz.*|initrd.img.*)' -exec mcopy -vsbpm -i /boot/USB/filesystem.img@@{esp_offset} {{}} :: ';'""",
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# FIXME: copy-out doesn't handle sparseness, so is REALLY slow (about 50 seconds).
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# Therefore instead leave it in the squashfs, and extract it later.
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# f'--customize-hook=copy-out /boot/USB/filesystem.img /tmp/',
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# f'--customize-hook=chroot $1 rm /boot/USB/filesystem.img',
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'bullseye',
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td / 'filesystem.squashfs'
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])
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with args.output_file.open('wb') as f:
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subprocess.check_call(['rdsquashfs', '--cat=boot/USB/filesystem.img', td / 'filesystem.squashfs'], stdout=f)
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subprocess.check_call([
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'mcopy', '-i', f'{args.output_file}@@{esp_offset}', td / 'filesystem.squashfs', f'::{live_media_path}/filesystem.squashfs'])
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@ -19,197 +19,194 @@ which in turn includes a bootloader (refind), kernel, ramdisk, and filesystem.sq
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"""
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"""
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parser = argparse.ArgumentParser(description=__doc__)
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('output_file', nargs='?', default=pathlib.Path('filesystem.img'), type=pathlib.Path)
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parser.add_argument(
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parser.add_argument('--timezone', default='Australia/Melbourne', type=lambda s: s.split('/'), help='NOTE: MUST be "Area/Zone" not e.g. "UTC", for now')
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"output_file", nargs="?", default=pathlib.Path("filesystem.img"), type=pathlib.Path
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parser.add_argument('--locale', default='en_AU.UTF-8', help='NOTE: MUST end in ".UTF-8", for now')
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)
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parser.add_argument(
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"--timezone",
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default="Australia/Melbourne",
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type=lambda s: s.split("/"),
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help='NOTE: MUST be "Area/Zone" not e.g. "UTC", for now',
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)
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parser.add_argument(
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"--locale", default="en_AU.UTF-8", help='NOTE: MUST end in ".UTF-8", for now'
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)
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args = parser.parse_args()
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args = parser.parse_args()
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filesystem_img_size = '512M' # big enough to include filesystem.squashfs + about 64M of bootloader, kernel, and ramdisk.
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filesystem_img_size = "512M" # big enough to include filesystem.squashfs + about 64M of bootloader, kernel, and ramdisk.
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esp_offset = 1024 * 1024 # 1MiB
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esp_offset = 1024 * 1024 # 1MiB
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esp_label = 'UEFI-ESP' # max 8 bytes for FAT32
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esp_label = "UEFI-ESP" # max 8 bytes for FAT32
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live_media_path = 'debian-live'
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live_media_path = "debian-live"
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with tempfile.TemporaryDirectory(prefix='debian-sid-zfs.') as td:
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with tempfile.TemporaryDirectory(prefix="debian-sid-zfs.") as td:
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td = pathlib.Path(td)
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td = pathlib.Path(td)
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subprocess.check_call(
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subprocess.check_call(
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['mmdebstrap',
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[
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'--mode=unshare',
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"mmdebstrap",
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'--variant=apt',
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"--mode=unshare",
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'--aptopt=Acquire::http::Proxy "http://apt-cacher-ng.cyber.com.au:3142"',
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"--variant=apt",
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'--aptopt=Acquire::https::Proxy "DIRECT"',
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'--aptopt=Acquire::http::Proxy "http://apt-cacher-ng.cyber.com.au:3142"',
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'--dpkgopt=force-unsafe-io',
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'--aptopt=Acquire::https::Proxy "DIRECT"',
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'--components=main contrib non-free', # needed for CPU security patches
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"--dpkgopt=force-unsafe-io",
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"--components=main contrib non-free", # needed for CPU security patches
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'--include=init initramfs-tools xz-utils live-boot netbase',
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"--include=init initramfs-tools xz-utils live-boot netbase",
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'--include=dbus', # https://bugs.debian.org/814758
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"--include=dbus", # https://bugs.debian.org/814758
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'--include=linux-image-amd64 firmware-linux',
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"--include=linux-image-amd64 firmware-linux",
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# Have ZFS 2.0 support.
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# Have ZFS 2.0 support.
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"--include=zfs-dkms zfsutils-linux zfs-zed build-essential linux-headers-amd64", # ZFS 2 support
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'--include=zfs-dkms zfsutils-linux zfs-zed build-essential linux-headers-amd64', # ZFS 2 support
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# Make the initrd a little smaller (41MB -> 20MB), at the expensive of significantly slower image build time.
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"--include=zstd",
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# Make the initrd a little smaller (41MB -> 20MB), at the expensive of significantly slower image build time.
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"--essential-hook=mkdir -p $1/etc/initramfs-tools/conf.d",
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'--include=zstd',
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"--essential-hook=>$1/etc/initramfs-tools/conf.d/zstd echo COMPRESS=zstd",
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'--essential-hook=mkdir -p $1/etc/initramfs-tools/conf.d',
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# Be the equivalent of Debian Live GNOME
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'--essential-hook=>$1/etc/initramfs-tools/conf.d/zstd echo COMPRESS=zstd',
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# '--include=live-task-gnome',
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#'--include=live-task-xfce',
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# Be the equivalent of Debian Live GNOME
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# FIXME: enable this? It makes live-task-xfce go from 1G to 16G... so no.
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# '--include=live-task-gnome',
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#'--aptopt=Apt::Install-Recommends "true"',
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#'--include=live-task-xfce',
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# ...cherry-pick instead
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# FIXME: enable this? It makes live-task-xfce go from 1G to 16G... so no.
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# UPDATE: debian-installer-launcher DOES NOT WORK because we don't load crap SPECIFICALLY into /live/installer, in the ESP.
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#'--aptopt=Apt::Install-Recommends "true"',
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# UPDATE: network-manager-gnome DOES NOT WORK, nor is systemd-networkd auto-started... WTF?
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# ...cherry-pick instead
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# end result is no networking.
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# UPDATE: debian-installer-launcher DOES NOT WORK because we don't load crap SPECIFICALLY into /live/installer, in the ESP.
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#'--include=live-config user-setup sudo firmware-linux haveged',
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# UPDATE: network-manager-gnome DOES NOT WORK, nor is systemd-networkd auto-started... WTF?
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#'--include=calamares-settings-debian udisks2', # 300MB weirdo Qt GUI debian installer
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# end result is no networking.
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#'--include=xfce4-terminal',
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#'--include=live-config user-setup sudo firmware-linux haveged',
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# x86_64 CPUs are undocumented proprietary RISC chips that EMULATE a documented x86_64 CISC ISA.
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#'--include=calamares-settings-debian udisks2', # 300MB weirdo Qt GUI debian installer
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# The emulator is called "microcode", and is full of security vulnerabilities.
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#'--include=xfce4-terminal',
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# Make sure security patches for microcode for *ALL* CPUs are included.
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# By default, it tries to auto-detect the running CPU, so only patches the CPU of the build server.
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# x86_64 CPUs are undocumented proprietary RISC chips that EMULATE a documented x86_64 CISC ISA.
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"--include=intel-microcode amd64-microcode iucode-tool",
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# The emulator is called "microcode", and is full of security vulnerabilities.
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"--essential-hook=>$1/etc/default/intel-microcode echo IUCODE_TOOL_INITRAMFS=yes IUCODE_TOOL_SCANCPUS=no",
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# Make sure security patches for microcode for *ALL* CPUs are included.
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"--essential-hook=>$1/etc/default/amd64-microcode echo AMD64UCODE_INITRAMFS=yes",
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# By default, it tries to auto-detect the running CPU, so only patches the CPU of the build server.
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"--dpkgopt=force-confold", # Work around https://bugs.debian.org/981004
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'--include=intel-microcode amd64-microcode iucode-tool',
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# DHCP/DNS/SNTP clients...
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'--essential-hook=>$1/etc/default/intel-microcode echo IUCODE_TOOL_INITRAMFS=yes IUCODE_TOOL_SCANCPUS=no',
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# FIXME: use live-config ?
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'--essential-hook=>$1/etc/default/amd64-microcode echo AMD64UCODE_INITRAMFS=yes',
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"--include=libnss-resolve libnss-myhostname systemd-timesyncd",
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'--dpkgopt=force-confold', # Work around https://bugs.debian.org/981004
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"--customize-hook=chroot $1 cp -alf /lib/systemd/resolv.conf /etc/resolv.conf", # This probably needs to happen LAST
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# FIXME: fix resolv.conf to point to resolved, not "copy from the build-time OS"
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# DHCP/DNS/SNTP clients...
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# FIXME: fix hostname & hosts to not exist, not "copy from the build-time OS"
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# FIXME: use live-config ?
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"--customize-hook=systemctl --root=$1 enable systemd-networkd systemd-timesyncd", # is this needed?
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'--include=libnss-resolve libnss-myhostname systemd-timesyncd',
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# Run a DHCP client on *ALL* ifaces.
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'--customize-hook=chroot $1 cp -alf /lib/systemd/resolv.conf /etc/resolv.conf', # This probably needs to happen LAST
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# Consider network "up" (start sshd and local login prompt) when *ANY* (not ALL) ifaces are up.
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# FIXME: fix resolv.conf to point to resolved, not "copy from the build-time OS"
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"--customize-hook=>$1/etc/systemd/network/up.network printf '%s\n' '[Match]' Name='en*' '[Network]' DHCP=yes", # try DHCP on all ethernet ifaces
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# FIXME: fix hostname & hosts to not exist, not "copy from the build-time OS"
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"--customize-hook=mkdir $1/etc/systemd/system/systemd-networkd-wait-online.service.d",
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'--customize-hook=systemctl --root=$1 enable systemd-networkd systemd-timesyncd', # is this needed?
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"--customize-hook=>$1/etc/systemd/system/systemd-networkd-wait-online.service.d/any-not-all.conf printf '%s\n' '[Service]' 'ExecStart=' 'ExecStart=/lib/systemd/systemd-networkd-wait-online --any'",
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# Run a DHCP client on *ALL* ifaces.
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# Hope there's a central smarthost SMTP server called "mail" in the local search domain.
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# Consider network "up" (start sshd and local login prompt) when *ANY* (not ALL) ifaces are up.
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# FIXME: can live-config do this?
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"--customize-hook=>$1/etc/systemd/network/up.network printf '%s\n' '[Match]' Name='en*' '[Network]' DHCP=yes", # try DHCP on all ethernet ifaces
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"--include=msmtp-mta",
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'--customize-hook=mkdir $1/etc/systemd/system/systemd-networkd-wait-online.service.d',
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"--customize-hook=>$1/etc/msmtprc printf '%s\n' 'account default' 'syslog LOG_MAIL' 'host mail' 'auto_from on'",
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"--customize-hook=>$1/etc/systemd/system/systemd-networkd-wait-online.service.d/any-not-all.conf printf '%s\n' '[Service]' 'ExecStart=' 'ExecStart=/lib/systemd/systemd-networkd-wait-online --any'",
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# Hope there's a central RELP logserver called "logserv" in the local domain.
|
||||||
|
# FIXME: can live-config do this?
|
||||||
# Hope there's a central smarthost SMTP server called "mail" in the local search domain.
|
"--include=rsyslog-relp",
|
||||||
# FIXME: can live-config do this?
|
"""--customize-hook=>$1/etc/rsyslog.conf printf '%s\n' 'module(load="imuxsock")' 'module(load="imklog")' 'module(load="omrelp")' 'action(type="omrelp" target="logserv" port="2514" template="RSYSLOG_SyslogProtocol23Format")'""",
|
||||||
'--include=msmtp-mta',
|
# Run self-tests on all discoverable hard disks, and (try to) email if something goes wrong.
|
||||||
"--customize-hook=>$1/etc/msmtprc printf '%s\n' 'account default' 'syslog LOG_MAIL' 'host mail' 'auto_from on'",
|
"--include=smartmontools bsd-mailx",
|
||||||
|
"--customize-hook=>$1/etc/smartd.conf echo 'DEVICESCAN -n standby,15 -a -o on -S on -s (S/../../7/00|L/../01/./01) -t -H -m root -M once'",
|
||||||
# Hope there's a central RELP logserver called "logserv" in the local domain.
|
# For rarely-updated, rarely-rebooted SOEs, apply what security updates we can into transient tmpfs COW.
|
||||||
# FIXME: can live-config do this?
|
# This CANNOT apply kernel security updates (though it will download them).
|
||||||
'--include=rsyslog-relp',
|
# This CANNOT make the upgrades persistent across reboots (they re-download each boot).
|
||||||
"""--customize-hook=>$1/etc/rsyslog.conf printf '%s\n' 'module(load="imuxsock")' 'module(load="imklog")' 'module(load="omrelp")' 'action(type="omrelp" target="logserv" port="2514" template="RSYSLOG_SyslogProtocol23Format")'""",
|
# FIXME: Would it be cleaner to set Environment=NEEDRESTART_MODE=a in
|
||||||
|
# apt-daily-upgrade.service and/or
|
||||||
# Run self-tests on all discoverable hard disks, and (try to) email if something goes wrong.
|
# unattended-upgrades.service, so
|
||||||
'--include=smartmontools bsd-mailx',
|
# needrestart is noninteractive only when apt is noninteractive?
|
||||||
"--customize-hook=>$1/etc/smartd.conf echo 'DEVICESCAN -n standby,15 -a -o on -S on -s (S/../../7/00|L/../01/./01) -t -H -m root -M once'",
|
"--include=unattended-upgrades needrestart",
|
||||||
|
"--customize-hook=echo 'unattended-upgrades unattended-upgrades/enable_auto_updates boolean true' | chroot $1 debconf-set-selections",
|
||||||
# For rarely-updated, rarely-rebooted SOEs, apply what security updates we can into transient tmpfs COW.
|
"""--customize-hook=>$1/etc/needrestart/conf.d/unattended-needrestart.conf echo '$nrconf{restart} = "a";'""", # https://bugs.debian.org/894444
|
||||||
# This CANNOT apply kernel security updates (though it will download them).
|
# Do an apt update & apt upgrade at boot time (as well as @daily).
|
||||||
# This CANNOT make the upgrades persistent across reboots (they re-download each boot).
|
# The lack of /etc/machine-id causes these to be implicitly enabled.
|
||||||
# FIXME: Would it be cleaner to set Environment=NEEDRESTART_MODE=a in
|
# FIXME: use dropin in /etc.
|
||||||
# apt-daily-upgrade.service and/or
|
"--customize-hook=>>$1/lib/systemd/system/apt-daily.service printf '%s\n' '[Install]' 'WantedBy=multi-user.target'",
|
||||||
# unattended-upgrades.service, so
|
"--customize-hook=>>$1/lib/systemd/system/apt-daily-upgrade.service printf '%s\n' '[Install]' 'WantedBy=multi-user.target'",
|
||||||
# needrestart is noninteractive only when apt is noninteractive?
|
# FIXME: add support for this stuff (for the non-live final install this happens via ansible):
|
||||||
'--include=unattended-upgrades needrestart',
|
#
|
||||||
"--customize-hook=echo 'unattended-upgrades unattended-upgrades/enable_auto_updates boolean true' | chroot $1 debconf-set-selections",
|
# unattended-upgrades
|
||||||
"""--customize-hook=>$1/etc/needrestart/conf.d/unattended-needrestart.conf echo '$nrconf{restart} = "a";'""", # https://bugs.debian.org/894444
|
# smartd
|
||||||
# Do an apt update & apt upgrade at boot time (as well as @daily).
|
# networkd (boot off ANY NIC, not EVERY NIC -- https://github.com/systemd/systemd/issues/9714)
|
||||||
# The lack of /etc/machine-id causes these to be implicitly enabled.
|
# refind (bootloader config)
|
||||||
# FIXME: use dropin in /etc.
|
# misc safety nets
|
||||||
"--customize-hook=>>$1/lib/systemd/system/apt-daily.service printf '%s\n' '[Install]' 'WantedBy=multi-user.target'",
|
# double-check that mmdebstrap's machine-id support works properly
|
||||||
"--customize-hook=>>$1/lib/systemd/system/apt-daily-upgrade.service printf '%s\n' '[Install]' 'WantedBy=multi-user.target'",
|
# Bare minimum to let me SSH in.
|
||||||
|
# FIXME: make this configurable.
|
||||||
# FIXME: add support for this stuff (for the non-live final install this happens via ansible):
|
# FIXME: trust a CA certificate instead -- see Zero Trust SSH, Jeremy Stott, LCA 2020 <https://youtu.be/lYzklWPTbsQ>
|
||||||
#
|
# WARNING: tinysshd does not support RSA, nor MaxStartups, nor sftp (unless you also install openssh-client, which is huge).
|
||||||
# unattended-upgrades
|
# FIXME: double-check no host keys are baked into the image (openssh-server and dropbear do this).
|
||||||
# smartd
|
"--include=tinysshd rsync",
|
||||||
# networkd (boot off ANY NIC, not EVERY NIC -- https://github.com/systemd/systemd/issues/9714)
|
"--essential-hook=install -dm700 $1/root/.ssh",
|
||||||
# refind (bootloader config)
|
'--essential-hook=echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIapAZ0E0353DaY6xBnasvu/DOvdWdKQ6RQURwq4l6Wu twb@cyber.com.au (Trent W. Buck)" >$1/root/.ssh/authorized_keys',
|
||||||
# misc safety nets
|
# Bare minimum to let me log in locally.
|
||||||
# double-check that mmdebstrap's machine-id support works properly
|
# DO NOT use this on production builds!
|
||||||
|
"--essential-hook=chroot $1 passwd --delete root",
|
||||||
# Bare minimum to let me SSH in.
|
# Configure language (not needed to boot).
|
||||||
# FIXME: make this configurable.
|
# Racism saves a **LOT** of space -- something like 2GB for Debian Live images.
|
||||||
# FIXME: trust a CA certificate instead -- see Zero Trust SSH, Jeremy Stott, LCA 2020 <https://youtu.be/lYzklWPTbsQ>
|
# FIXME: use live-config instead?
|
||||||
# WARNING: tinysshd does not support RSA, nor MaxStartups, nor sftp (unless you also install openssh-client, which is huge).
|
"--include=locales localepurge",
|
||||||
# FIXME: double-check no host keys are baked into the image (openssh-server and dropbear do this).
|
f"--essential-hook=echo locales locales/default_environment_locale select {args.locale} | chroot $1 debconf-set-selections",
|
||||||
'--include=tinysshd rsync',
|
f"--essential-hook=echo locales locales/locales_to_be_generated multiselect {args.locale} UTF-8 | chroot $1 debconf-set-selections",
|
||||||
'--essential-hook=install -dm700 $1/root/.ssh',
|
# FIXME: https://bugs.debian.org/603700
|
||||||
'--essential-hook=echo "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIapAZ0E0353DaY6xBnasvu/DOvdWdKQ6RQURwq4l6Wu twb@cyber.com.au (Trent W. Buck)" >$1/root/.ssh/authorized_keys',
|
"--customize-hook=chroot $1 sed -i /etc/locale.nopurge -e 's/^USE_DPKG/#ARGH#&/'",
|
||||||
|
"--customize-hook=chroot $1 localepurge",
|
||||||
# Bare minimum to let me log in locally.
|
"--customize-hook=chroot $1 sed -i /etc/locale.nopurge -e 's/^#ARGH#//'",
|
||||||
# DO NOT use this on production builds!
|
# Removing documentation also saves a LOT of space.
|
||||||
'--essential-hook=chroot $1 passwd --delete root',
|
"--dpkgopt=path-exclude=/usr/share/doc/*",
|
||||||
|
"--dpkgopt=path-exclude=/usr/share/info/*",
|
||||||
# Configure language (not needed to boot).
|
"--dpkgopt=path-exclude=/usr/share/man/*",
|
||||||
# Racism saves a **LOT** of space -- something like 2GB for Debian Live images.
|
"--dpkgopt=path-exclude=/usr/share/omf/*",
|
||||||
# FIXME: use live-config instead?
|
"--dpkgopt=path-exclude=/usr/share/help/*",
|
||||||
'--include=locales localepurge',
|
"--dpkgopt=path-exclude=/usr/share/gnome/help/*",
|
||||||
f'--essential-hook=echo locales locales/default_environment_locale select {args.locale} | chroot $1 debconf-set-selections',
|
# Configure timezone (not needed to boot)`
|
||||||
f'--essential-hook=echo locales locales/locales_to_be_generated multiselect {args.locale} UTF-8 | chroot $1 debconf-set-selections',
|
# FIXME: use live-config instead?
|
||||||
# FIXME: https://bugs.debian.org/603700
|
"--include=tzdata",
|
||||||
"--customize-hook=chroot $1 sed -i /etc/locale.nopurge -e 's/^USE_DPKG/#ARGH#&/'",
|
f"--essential-hook=echo tzdata tzdata/Areas select {args.timezone[0]} | chroot $1 debconf-set-selections",
|
||||||
"--customize-hook=chroot $1 localepurge",
|
f"--essential-hook=echo tzdata tzdata/Zones/{args.timezone[0]} select {args.timezone[1]} | chroot $1 debconf-set-selections",
|
||||||
"--customize-hook=chroot $1 sed -i /etc/locale.nopurge -e 's/^#ARGH#//'",
|
# Do the **BARE MINIMUM** to make a USB key that can boot on X86_64 UEFI.
|
||||||
|
# We use mtools so we do not ever need root privileges.
|
||||||
|
# We can't use mkfs.vfat, as that needs kpartx or losetup (i.e. root).
|
||||||
# Removing documentation also saves a LOT of space.
|
# We can't use mkfs.udf, as that needs mount (i.e. root).
|
||||||
'--dpkgopt=path-exclude=/usr/share/doc/*',
|
# We can't use "refind-install --usedefault" as that runs mount(8) (i.e. root).
|
||||||
'--dpkgopt=path-exclude=/usr/share/info/*',
|
# We don't use genisoimage because
|
||||||
'--dpkgopt=path-exclude=/usr/share/man/*',
|
# 1) ISO9660 must die;
|
||||||
'--dpkgopt=path-exclude=/usr/share/omf/*',
|
# 2) incomplete UDF 1.5+ support;
|
||||||
'--dpkgopt=path-exclude=/usr/share/help/*',
|
# 3) resulting filesystem can't be tweaked after flashing (e.g. debian-live/site.dir/etc/systemd/network/up.network).
|
||||||
'--dpkgopt=path-exclude=/usr/share/gnome/help/*',
|
#
|
||||||
|
# We use refind because 1) I hate grub; and 2) I like refind.
|
||||||
|
# If you want aarch64 or ia32 you need to install their BOOTxxx.EFI files.
|
||||||
# Configure timezone (not needed to boot)`
|
# If you want kernel+initrd on something other than FAT, you need refind/drivers_xxx/xxx_xxx.EFI.
|
||||||
# FIXME: use live-config instead?
|
#
|
||||||
'--include=tzdata',
|
# FIXME: with qemu in UEFI mode (OVMF), I get dumped into startup.nsh (UEFI REPL).
|
||||||
f'--essential-hook=echo tzdata tzdata/Areas select {args.timezone[0]} | chroot $1 debconf-set-selections',
|
# From there, I can manually type in "FS0:\EFI\BOOT\BOOTX64.EFI" to start refind, tho.
|
||||||
f'--essential-hook=echo tzdata tzdata/Zones/{args.timezone[0]} select {args.timezone[1]} | chroot $1 debconf-set-selections',
|
# So WTF is its problem? Does it not support fallback bootloader?
|
||||||
|
"--include=refind parted mtools",
|
||||||
|
"--essential-hook=echo refind refind/install_to_esp boolean false | chroot $1 debconf-set-selections",
|
||||||
# Do the **BARE MINIMUM** to make a USB key that can boot on X86_64 UEFI.
|
"--customize-hook=echo refind refind/install_to_esp boolean true | chroot $1 debconf-set-selections",
|
||||||
# We use mtools so we do not ever need root privileges.
|
"--customize-hook=chroot $1 mkdir -p /boot/USB /boot/EFI/BOOT",
|
||||||
# We can't use mkfs.vfat, as that needs kpartx or losetup (i.e. root).
|
"--customize-hook=chroot $1 cp /usr/share/refind/refind/refind_x64.efi /boot/EFI/BOOT/BOOTX64.EFI",
|
||||||
# We can't use mkfs.udf, as that needs mount (i.e. root).
|
"--customize-hook=chroot $1 cp /usr/share/refind/refind/refind.conf-sample /boot/EFI/BOOT/refind.conf",
|
||||||
# We can't use "refind-install --usedefault" as that runs mount(8) (i.e. root).
|
f"--customize-hook=chroot $1 truncate --size={filesystem_img_size} /boot/USB/filesystem.img",
|
||||||
# We don't use genisoimage because
|
f"--customize-hook=chroot $1 parted --script --align=optimal /boot/USB/filesystem.img mklabel gpt mkpart {esp_label} {esp_offset}b 100% set 1 esp on",
|
||||||
# 1) ISO9660 must die;
|
f"--customize-hook=chroot $1 mformat -i /boot/USB/filesystem.img@@{esp_offset} -F -v {esp_label}",
|
||||||
# 2) incomplete UDF 1.5+ support;
|
f"--customize-hook=chroot $1 mmd -i /boot/USB/filesystem.img@@{esp_offset} ::{live_media_path}",
|
||||||
# 3) resulting filesystem can't be tweaked after flashing (e.g. debian-live/site.dir/etc/systemd/network/up.network).
|
f"""--customize-hook=echo '"Boot with default options" "boot=live live-media-path={live_media_path}"' >$1/boot/refind_linux.conf""",
|
||||||
#
|
f"""--customize-hook=chroot $1 find /boot/ -xdev -mindepth 1 -maxdepth 1 -not -name filesystem.img -not -name USB -exec mcopy -vsbpm -i /boot/USB/filesystem.img@@{esp_offset} {{}} :: ';'""",
|
||||||
# We use refind because 1) I hate grub; and 2) I like refind.
|
# FIXME: copy-out doesn't handle sparseness, so is REALLY slow (about 50 seconds).
|
||||||
# If you want aarch64 or ia32 you need to install their BOOTxxx.EFI files.
|
# Therefore instead leave it in the squashfs, and extract it later.
|
||||||
# If you want kernel+initrd on something other than FAT, you need refind/drivers_xxx/xxx_xxx.EFI.
|
# f'--customize-hook=copy-out /boot/USB/filesystem.img /tmp/',
|
||||||
#
|
# f'--customize-hook=chroot $1 rm /boot/USB/filesystem.img',
|
||||||
# FIXME: with qemu in UEFI mode (OVMF), I get dumped into startup.nsh (UEFI REPL).
|
"sid",
|
||||||
# From there, I can manually type in "FS0:\EFI\BOOT\BOOTX64.EFI" to start refind, tho.
|
td / "filesystem.squashfs",
|
||||||
# So WTF is its problem? Does it not support fallback bootloader?
|
]
|
||||||
'--include=refind parted mtools',
|
)
|
||||||
'--essential-hook=echo refind refind/install_to_esp boolean false | chroot $1 debconf-set-selections',
|
|
||||||
'--customize-hook=echo refind refind/install_to_esp boolean true | chroot $1 debconf-set-selections',
|
|
||||||
'--customize-hook=chroot $1 mkdir -p /boot/USB /boot/EFI/BOOT',
|
|
||||||
'--customize-hook=chroot $1 cp /usr/share/refind/refind/refind_x64.efi /boot/EFI/BOOT/BOOTX64.EFI',
|
|
||||||
'--customize-hook=chroot $1 cp /usr/share/refind/refind/refind.conf-sample /boot/EFI/BOOT/refind.conf',
|
|
||||||
f'--customize-hook=chroot $1 truncate --size={filesystem_img_size} /boot/USB/filesystem.img',
|
|
||||||
f'--customize-hook=chroot $1 parted --script --align=optimal /boot/USB/filesystem.img mklabel gpt mkpart {esp_label} {esp_offset}b 100% set 1 esp on',
|
|
||||||
f'--customize-hook=chroot $1 mformat -i /boot/USB/filesystem.img@@{esp_offset} -F -v {esp_label}',
|
|
||||||
f'--customize-hook=chroot $1 mmd -i /boot/USB/filesystem.img@@{esp_offset} ::{live_media_path}',
|
|
||||||
f"""--customize-hook=echo '"Boot with default options" "boot=live live-media-path={live_media_path}"' >$1/boot/refind_linux.conf""",
|
|
||||||
|
|
||||||
f"""--customize-hook=chroot $1 find /boot/ -xdev -mindepth 1 -maxdepth 1 -not -name filesystem.img -not -name USB -exec mcopy -vsbpm -i /boot/USB/filesystem.img@@{esp_offset} {{}} :: ';'""",
|
|
||||||
# FIXME: copy-out doesn't handle sparseness, so is REALLY slow (about 50 seconds).
|
|
||||||
# Therefore instead leave it in the squashfs, and extract it later.
|
|
||||||
# f'--customize-hook=copy-out /boot/USB/filesystem.img /tmp/',
|
|
||||||
# f'--customize-hook=chroot $1 rm /boot/USB/filesystem.img',
|
|
||||||
|
|
||||||
|
|
||||||
'sid',
|
|
||||||
td / 'filesystem.squashfs'
|
|
||||||
])
|
|
||||||
|
|
||||||
with args.output_file.open('wb') as f:
|
|
||||||
subprocess.check_call(['rdsquashfs', '--cat=boot/USB/filesystem.img', td / 'filesystem.squashfs'], stdout=f)
|
|
||||||
subprocess.check_call([
|
|
||||||
'mcopy', '-i', f'{args.output_file}@@{esp_offset}', td / 'filesystem.squashfs', f'::{live_media_path}/filesystem.squashfs'])
|
|
||||||
|
|
||||||
|
with args.output_file.open("wb") as f:
|
||||||
|
subprocess.check_call(
|
||||||
|
["rdsquashfs", "--cat=boot/USB/filesystem.img", td / "filesystem.squashfs"],
|
||||||
|
stdout=f,
|
||||||
|
)
|
||||||
|
subprocess.check_call(
|
||||||
|
[
|
||||||
|
"mcopy",
|
||||||
|
"-i",
|
||||||
|
f"{args.output_file}@@{esp_offset}",
|
||||||
|
td / "filesystem.squashfs",
|
||||||
|
f"::{live_media_path}/filesystem.squashfs",
|
||||||
|
]
|
||||||
|
)
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue