Merge pull request #1880 from medicalwei/fixed-reset-partition-size
Accept a fixed partition size for reset partition in autoinstall.yaml
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commit
2883cad416
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@ -423,6 +423,41 @@ Example with no size scaling and a passphrase:
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sizing-policy: all
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password: LUKS_PASSPHRASE
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Reset Partition
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^^^^^^^^^^^^^^^
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``reset-partition`` is used for creating a Reset Partition, which is a FAT32 file system containing the entire content of the installer image, so that the user can start the installer from GRUB or EFI without using the installation media. This option is useful for OEM system provisioning.
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By default, the size of a Reset Partition is roughly 1.1x the used file system size of the installation media.
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An example to enable Reset Partition:
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.. code-block:: yaml
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storage:
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layout:
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name: direct
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reset-partition: true
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The size of the reset partition can also be fixed to a specified size. This is an example to fix Reset Partition to 12 GiB:
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.. code-block:: yaml
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storage:
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layout:
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name: direct
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reset-partition: 12G
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The installer can also install Reset Partition without installing the system. To do this, set ``reset-partition-only`` to ``true``:
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.. code-block:: yaml
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storage:
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layout:
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name: direct
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reset-partition: true
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reset-partition-only: true
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Action-based configuration
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^^^^^^^^^^^^^^^^^^^^^^^^^^
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@ -535,6 +535,7 @@ class GuidedChoiceV2:
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sizing_policy: Optional[SizingPolicy] = SizingPolicy.SCALED
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reset_partition: bool = False
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reset_partition_size: Optional[int] = None
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@attr.s(auto_attribs=True)
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@ -29,6 +29,7 @@ import pyudev
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from curtin import swap
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from curtin.commands.extract import AbstractSourceHandler
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from curtin.storage_config import ptable_part_type_to_flag
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from curtin.util import human2bytes
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from subiquity.common.apidef import API
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from subiquity.common.errorreport import ErrorReportKind
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@ -712,7 +713,10 @@ class FilesystemController(SubiquityController, FilesystemManipulator):
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raise Exception("failed to locate gap after adding boot")
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if choice.reset_partition:
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if self.app.opts.dry_run:
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if choice.reset_partition_size is not None:
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part_align = disk.alignment_data().part_align
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reset_size = align_up(choice.reset_partition_size, part_align)
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elif self.app.opts.dry_run:
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reset_size = DRY_RUN_RESET_SIZE
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else:
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cp = await arun_command(["du", "-sb", "/cdrom"])
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@ -1418,6 +1422,20 @@ class FilesystemController(SubiquityController, FilesystemManipulator):
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disk_id=gap.device.id, gap=gap, allowed=[]
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)
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reset_partition = False
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reset_partition_size = None
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rp_input = layout.get("reset-partition", None)
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if rp_input:
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reset_partition = True
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if isinstance(rp_input, (str, int)):
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reset_partition_size = int(human2bytes(rp_input))
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log.info(
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"autoinstall: will install reset partition "
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f"of size {reset_partition_size}"
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)
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else:
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log.info("autoinstall: will install reset partition")
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log.info(
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f"autoinstall: running guided {capability} install in "
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f"mode {mode} using {target}"
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@ -1429,7 +1447,8 @@ class FilesystemController(SubiquityController, FilesystemManipulator):
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password=password,
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recovery_key=guided_recovery_key,
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sizing_policy=sizing_policy,
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reset_partition=layout.get("reset-partition", False),
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reset_partition=reset_partition,
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reset_partition_size=reset_partition_size,
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),
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reset_partition_only=layout.get("reset-partition-only", False),
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)
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@ -472,6 +472,26 @@ class TestGuided(IsolatedAsyncioTestCase):
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self.assertEqual(DRY_RUN_RESET_SIZE, d1p2.size)
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self.assertEqual("/", d1p3.mount)
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async def test_fixed_reset_partition(self):
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await self._guided_setup(Bootloader.UEFI, "gpt")
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target = GuidedStorageTargetReformat(
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disk_id=self.d1.id, allowed=default_capabilities
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)
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fixed_reset_size = 12 << 30
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await self.controller.guided(
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GuidedChoiceV2(
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target=target,
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capability=GuidedCapability.DIRECT,
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reset_partition=True,
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reset_partition_size=fixed_reset_size,
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)
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)
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[d1p1, d1p2, d1p3] = self.d1.partitions()
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self.assertEqual("/boot/efi", d1p1.mount)
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self.assertIsNone(d1p2.mount)
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self.assertEqual(fixed_reset_size, d1p2.size)
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self.assertEqual("/", d1p3.mount)
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async def test_guided_reset_partition_only(self):
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await self._guided_setup(Bootloader.UEFI, "gpt")
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target = GuidedStorageTargetReformat(
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