def setup(self):
self.fstab = Fstab()
with self._caplog.at_level(logging.WARNING):
self.fstab.read('../data/fstab')
assert format(
'Mountpoint for "LABEL=bar /home xfs defaults 0 0" '
'in use by "LABEL=foo /home ext4 defaults 0 0", skipped'
) in self._caplog.text
def create_fstab(self, fstab: Fstab) -> None:
"""
Create etc/fstab from given Fstab object
Custom fstab modifications are possible and handled
in the following order:
1. Look for an optional fstab.append file which allows
to append custom fstab entries to the final fstab. Once
embedded the fstab.append file will be deleted
2. Look for an optional fstab.patch file which allows
to patch the current contents of the fstab file with
a given patch file. Once patched the fstab.patch file will
be deleted
3. Look for an optional fstab.script file which is called
chrooted for the purpose of updating the fstab file as
appropriate. Note: There is no validation in place that
checks if the script actually handles fstab or any other
file in the image rootfs. Once called the fstab.script
file will be deleted
:param object fstab: instance of Fstab
"""
fstab_file = self.root_dir + '/etc/fstab'
fstab_append_file = self.root_dir + '/etc/fstab.append'
fstab_patch_file = self.root_dir + '/etc/fstab.patch'
fstab_script_file = self.root_dir + '/etc/fstab.script'
fstab.export(fstab_file)
if os.path.exists(fstab_append_file):
with open(fstab_file, 'a') as fstab_io:
with open(fstab_append_file, 'r') as append:
fstab_io.write(append.read())
Path.wipe(fstab_append_file)
if os.path.exists(fstab_patch_file):
Command.run(
['patch', fstab_file, fstab_patch_file]
)
Path.wipe(fstab_patch_file)
if os.path.exists(fstab_script_file):
Command.run(
['chroot', self.root_dir, '/etc/fstab.script']
)
Path.wipe(fstab_script_file)
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.arch = Defaults.get_platform_name()
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.spare_part_mbsize = xml_state.get_build_type_spare_part_size()
self.spare_part_fs = xml_state.build_type.get_spare_part_fs()
self.spare_part_is_last = xml_state.build_type.get_spare_part_is_last()
self.spare_part_mountpoint = \
xml_state.build_type.get_spare_part_mountpoint()
self.persistency_type = xml_state.build_type.get_devicepersistency()
self.root_filesystem_is_overlay = xml_state.build_type.get_overlayroot(
)
self.custom_root_mount_args = xml_state.get_fs_mount_option_list()
self.custom_root_creation_args = xml_state.get_fs_create_option_list()
self.build_type_name = xml_state.get_build_type_name()
self.image_format = xml_state.build_type.get_format()
self.install_iso = xml_state.build_type.get_installiso()
self.install_stick = xml_state.build_type.get_installstick()
self.install_pxe = xml_state.build_type.get_installpxe()
self.blocksize = xml_state.build_type.get_target_blocksize()
self.volume_manager_name = xml_state.get_volume_management()
self.volumes = xml_state.get_volumes()
self.volume_group_name = xml_state.get_volume_group_name()
self.mdraid = xml_state.build_type.get_mdraid()
self.hybrid_mbr = xml_state.build_type.get_gpt_hybrid_mbr()
self.force_mbr = xml_state.build_type.get_force_mbr()
self.luks = xml_state.build_type.get_luks()
self.luks_os = xml_state.build_type.get_luksOS()
self.xen_server = xml_state.is_xen_server()
self.requested_filesystem = xml_state.build_type.get_filesystem()
self.requested_boot_filesystem = \
xml_state.build_type.get_bootfilesystem()
self.bootloader = xml_state.get_build_type_bootloader_name()
self.initrd_system = xml_state.get_initrd_system()
self.target_removable = xml_state.build_type.get_target_removable()
self.root_filesystem_is_multipath = \
xml_state.get_oemconfig_oem_multipath_scan()
self.swap_mbytes = xml_state.get_oemconfig_swap_mbytes()
self.disk_setup = DiskSetup(xml_state, root_dir)
self.unpartitioned_bytes = \
xml_state.get_build_type_unpartitioned_bytes()
self.custom_args = custom_args
self.signing_keys = None
if custom_args and 'signing_keys' in custom_args:
self.signing_keys = custom_args['signing_keys']
self.boot_image = BootImage(xml_state,
target_dir,
root_dir,
signing_keys=self.signing_keys)
self.firmware = FirmWare(xml_state)
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.diskname = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + self.arch,
'-' + xml_state.get_image_version(), '.raw'
])
self.boot_is_crypto = True if self.luks and not \
self.disk_setup.need_boot_partition() else False
self.install_media = self._install_image_requested()
self.fstab = Fstab()
# an instance of a class with the sync_data capability
# representing the entire image system except for the boot/ area
# which could live on another part of the disk
self.system = None
# an instance of a class with the sync_data capability
# representing the boot/ area of the disk if not part of
# self.system
self.system_boot = None
# an instance of a class with the sync_data capability
# representing the boot/efi area of the disk
self.system_efi = None
# an instance of a class with the sync_data capability
# representing the spare_part_mountpoint area of the disk
self.system_spare = None
# result store
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
class DiskBuilder:
"""
**Disk image builder**
:param object xml_state: Instance of :class:`XMLState`
:param str target_dir: Target directory path name
:param str root_dir: Root directory path name
:param dict custom_args: Custom processing arguments defined as hash keys:
* signing_keys: list of package signing keys
* xz_options: string of XZ compression parameters
"""
def __init__(self, xml_state, target_dir, root_dir, custom_args=None):
self.arch = Defaults.get_platform_name()
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.spare_part_mbsize = xml_state.get_build_type_spare_part_size()
self.spare_part_fs = xml_state.build_type.get_spare_part_fs()
self.spare_part_is_last = xml_state.build_type.get_spare_part_is_last()
self.spare_part_mountpoint = \
xml_state.build_type.get_spare_part_mountpoint()
self.persistency_type = xml_state.build_type.get_devicepersistency()
self.root_filesystem_is_overlay = xml_state.build_type.get_overlayroot(
)
self.custom_root_mount_args = xml_state.get_fs_mount_option_list()
self.custom_root_creation_args = xml_state.get_fs_create_option_list()
self.build_type_name = xml_state.get_build_type_name()
self.image_format = xml_state.build_type.get_format()
self.install_iso = xml_state.build_type.get_installiso()
self.install_stick = xml_state.build_type.get_installstick()
self.install_pxe = xml_state.build_type.get_installpxe()
self.blocksize = xml_state.build_type.get_target_blocksize()
self.volume_manager_name = xml_state.get_volume_management()
self.volumes = xml_state.get_volumes()
self.volume_group_name = xml_state.get_volume_group_name()
self.mdraid = xml_state.build_type.get_mdraid()
self.hybrid_mbr = xml_state.build_type.get_gpt_hybrid_mbr()
self.force_mbr = xml_state.build_type.get_force_mbr()
self.luks = xml_state.build_type.get_luks()
self.luks_os = xml_state.build_type.get_luksOS()
self.xen_server = xml_state.is_xen_server()
self.requested_filesystem = xml_state.build_type.get_filesystem()
self.requested_boot_filesystem = \
xml_state.build_type.get_bootfilesystem()
self.bootloader = xml_state.get_build_type_bootloader_name()
self.initrd_system = xml_state.get_initrd_system()
self.target_removable = xml_state.build_type.get_target_removable()
self.root_filesystem_is_multipath = \
xml_state.get_oemconfig_oem_multipath_scan()
self.swap_mbytes = xml_state.get_oemconfig_swap_mbytes()
self.disk_setup = DiskSetup(xml_state, root_dir)
self.unpartitioned_bytes = \
xml_state.get_build_type_unpartitioned_bytes()
self.custom_args = custom_args
self.signing_keys = None
if custom_args and 'signing_keys' in custom_args:
self.signing_keys = custom_args['signing_keys']
self.boot_image = BootImage(xml_state,
target_dir,
root_dir,
signing_keys=self.signing_keys)
self.firmware = FirmWare(xml_state)
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.diskname = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + self.arch,
'-' + xml_state.get_image_version(), '.raw'
])
self.boot_is_crypto = True if self.luks and not \
self.disk_setup.need_boot_partition() else False
self.install_media = self._install_image_requested()
self.fstab = Fstab()
# an instance of a class with the sync_data capability
# representing the entire image system except for the boot/ area
# which could live on another part of the disk
self.system = None
# an instance of a class with the sync_data capability
# representing the boot/ area of the disk if not part of
# self.system
self.system_boot = None
# an instance of a class with the sync_data capability
# representing the boot/efi area of the disk
self.system_efi = None
# an instance of a class with the sync_data capability
# representing the spare_part_mountpoint area of the disk
self.system_spare = None
# result store
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
def create(self):
"""
Build a bootable disk image and optional installation image
The installation image is a bootable hybrid ISO image which
embeds the disk image and an image installer
Image types which triggers this builder are:
* image="oem"
* image="vmx"
:return: result
:rtype: instance of :class:`Result`
"""
disk = DiskBuilder(self.xml_state, self.target_dir, self.root_dir,
self.custom_args)
result = disk.create_disk()
# cleanup disk resources taken prior to next steps
del disk
disk_installer = DiskBuilder(self.xml_state, self.target_dir,
self.root_dir)
result = disk_installer.create_install_media(result)
disk_format = DiskBuilder(self.xml_state, self.target_dir,
self.root_dir)
disk_format.append_unpartitioned_space()
result = disk_format.create_disk_format(result)
return result
def create_disk(self): # noqa: C901
"""
Build a bootable raw disk image
:raises KiwiInstallMediaError:
if install media is required and image type is not oem
:raises KiwiVolumeManagerSetupError:
root overlay at the same time volumes are defined is not supported
:return: result
:rtype: instance of :class:`Result`
"""
if self.install_media and self.build_type_name != 'oem':
raise KiwiInstallMediaError(
'Install media requires oem type setup, got %s' %
self.build_type_name)
if self.root_filesystem_is_overlay and self.volume_manager_name:
raise KiwiVolumeManagerSetupError(
'Volume management together with root overlay is not supported'
)
# setup recovery archive, cleanup and create archive if requested
self.system_setup.create_recovery_archive()
# prepare boot(initrd) root system
log.info('Preparing boot system')
self.boot_image.prepare()
# precalculate needed disk size
disksize_mbytes = self.disk_setup.get_disksize_mbytes()
# create the disk
log.info('Creating raw disk image %s', self.diskname)
self.loop_provider = LoopDevice(self.diskname, disksize_mbytes,
self.blocksize)
self.loop_provider.create()
self.disk = Disk(self.firmware.get_partition_table_type(),
self.loop_provider,
self.xml_state.get_disk_start_sector())
# create the bootloader instance
self.bootloader_config = BootLoaderConfig(
self.bootloader,
self.xml_state,
root_dir=self.root_dir,
boot_dir=self.root_dir,
custom_args={
'targetbase':
self.loop_provider.get_device(),
'grub_directory_name':
Defaults.get_grub_boot_directory_name(self.root_dir),
'boot_is_crypto':
self.boot_is_crypto
})
# create disk partitions and instance device map
device_map = self._build_and_map_disk_partitions(disksize_mbytes)
# create raid on current root device if requested
if self.mdraid:
self.raid_root = RaidDevice(device_map['root'])
self.raid_root.create_degraded_raid(raid_level=self.mdraid)
device_map['root'] = self.raid_root.get_device()
self.disk.public_partition_id_map['kiwi_RaidPart'] = \
self.disk.public_partition_id_map['kiwi_RootPart']
self.disk.public_partition_id_map['kiwi_RaidDev'] = \
device_map['root'].get_device()
# create luks on current root device if requested
if self.luks:
self.luks_root = LuksDevice(device_map['root'])
self.luks_boot_keyname = '/.root.keyfile'
self.luks_boot_keyfile = ''.join(
[self.root_dir, self.luks_boot_keyname])
self.luks_root.create_crypto_luks(passphrase=self.luks,
os=self.luks_os,
keyfile=self.luks_boot_keyfile
if self.boot_is_crypto else None)
if self.boot_is_crypto:
self.luks_boot_keyfile_setup = ''.join(
[self.root_dir, '/etc/dracut.conf.d/99-luks-boot.conf'])
self.boot_image.write_system_config_file(
config={'install_items': [self.luks_boot_keyname]},
config_file=self.luks_boot_keyfile_setup)
self.boot_image.include_file(
os.sep + os.path.basename(self.luks_boot_keyfile))
device_map['luks_root'] = device_map['root']
device_map['root'] = self.luks_root.get_device()
# create spare filesystem on spare partition if present
self._build_spare_filesystem(device_map)
# create filesystems on boot partition(s) if any
self._build_boot_filesystems(device_map)
# create volumes and filesystems for root system
if self.volume_manager_name:
volume_manager_custom_parameters = {
'fs_mount_options':
self.custom_root_mount_args,
'fs_create_options':
self.custom_root_creation_args,
'root_label':
self.disk_setup.get_root_label(),
'root_is_snapshot':
self.xml_state.build_type.get_btrfs_root_is_snapshot(),
'root_is_readonly_snapshot':
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot(
),
'quota_groups':
self.xml_state.build_type.get_btrfs_quota_groups(),
'image_type':
self.xml_state.get_build_type_name()
}
self.volume_manager = VolumeManager(
self.volume_manager_name, device_map, self.root_dir + '/',
self.volumes, volume_manager_custom_parameters)
self.volume_manager.setup(self.volume_group_name)
self.volume_manager.create_volumes(self.requested_filesystem)
self.volume_manager.mount_volumes()
self.system = self.volume_manager
device_map['root'] = self.volume_manager.get_device().get('root')
device_map['swap'] = self.volume_manager.get_device().get('swap')
else:
log.info('Creating root(%s) filesystem on %s',
self.requested_filesystem,
device_map['root'].get_device())
filesystem_custom_parameters = {
'mount_options': self.custom_root_mount_args,
'create_options': self.custom_root_creation_args
}
filesystem = FileSystem.new(self.requested_filesystem,
device_map['root'],
self.root_dir + '/',
filesystem_custom_parameters)
filesystem.create_on_device(label=self.disk_setup.get_root_label())
self.system = filesystem
# create swap on current root device if requested
if self.swap_mbytes:
swap = FileSystem.new('swap', device_map['swap'])
swap.create_on_device(label='SWAP')
# store root partition/filesystem uuid for profile
self._preserve_root_partition_uuid(device_map)
self._preserve_root_filesystem_uuid(device_map)
# create a random image identifier
self.mbrid = SystemIdentifier()
self.mbrid.calculate_id()
# create first stage metadata to boot image
self._write_partition_id_config_to_boot_image()
self._write_recovery_metadata_to_boot_image()
self._write_raid_config_to_boot_image()
self._write_generic_fstab_to_boot_image(device_map)
self.system_setup.export_modprobe_setup(
self.boot_image.boot_root_directory)
# create first stage metadata to system image
self._write_image_identifier_to_system_image()
self._write_crypttab_to_system_image()
self._write_generic_fstab_to_system_image(device_map)
if self.initrd_system == 'dracut':
if self.root_filesystem_is_multipath is False:
self.boot_image.omit_module('multipath')
if self.root_filesystem_is_overlay:
self.boot_image.include_module('kiwi-overlay')
self.boot_image.write_system_config_file(
config={'modules': ['kiwi-overlay']})
if self.build_type_name == 'oem':
self.boot_image.include_module('kiwi-repart')
# create initrd cpio archive
self.boot_image.create_initrd(self.mbrid)
# create second stage metadata to system image
self._copy_first_boot_files_to_system_image()
self._write_bootloader_meta_data_to_system_image(device_map)
self.mbrid.write_to_disk(self.disk.storage_provider)
# set SELinux file security contexts if context exists
self._setup_selinux_file_contexts()
# syncing system data to disk image
log.info('Syncing system to image')
if self.system_spare:
self.system_spare.sync_data()
if self.system_efi:
log.info('--> Syncing EFI boot data to EFI partition')
self.system_efi.sync_data()
if self.system_boot:
log.info('--> Syncing boot data at extra partition')
self.system_boot.sync_data(
self._get_exclude_list_for_boot_data_sync())
log.info('--> Syncing root filesystem data')
if self.root_filesystem_is_overlay:
squashed_root_file = NamedTemporaryFile()
squashed_root = FileSystemSquashFs(
device_provider=None,
root_dir=self.root_dir,
custom_args={
'compression':
self.xml_state.build_type.get_squashfscompression()
})
squashed_root.create_on_file(
filename=squashed_root_file.name,
exclude=self._get_exclude_list_for_root_data_sync(device_map))
Command.run([
'dd',
'if=%s' % squashed_root_file.name,
'of=%s' % device_map['readonly'].get_device()
])
else:
self.system.sync_data(
self._get_exclude_list_for_root_data_sync(device_map))
# run post sync script hook
if self.system_setup.script_exists(defaults.POST_DISK_SYNC_SCRIPT):
disk_system = SystemSetup(self.xml_state,
self.system.get_mountpoint())
disk_system.import_description()
disk_system.call_disk_script()
disk_system.cleanup()
# install boot loader
self._install_bootloader(device_map)
# set root filesystem properties
self._setup_property_root_is_readonly_snapshot()
# prepare for install media if requested
if self.install_media:
log.info('Saving boot image instance to file')
self.boot_image.dump(self.target_dir + '/boot_image.pickledump')
self.result.verify_image_size(
self.runtime_config.get_max_size_constraint(), self.diskname)
# store image file name in result
self.result.add(
key='disk_image',
filename=self.diskname,
use_for_bundle=True if not self.image_format else False,
compress=self.runtime_config.get_bundle_compression(default=True),
shasum=True)
# create image root metadata
self.result.add(key='image_packages',
filename=self.system_setup.export_package_list(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
self.result.add(key='image_verified',
filename=self.system_setup.export_package_verification(
self.target_dir),
use_for_bundle=True,
compress=False,
shasum=False)
return self.result
def create_disk_format(self, result_instance):
"""
Create a bootable disk format from a previously
created raw disk image
:param object result_instance: instance of :class:`Result`
:return: updated result_instance
:rtype: instance of :class:`Result`
"""
if self.image_format:
log.info('Creating %s Disk Format', self.image_format)
disk_format = DiskFormat(self.image_format, self.xml_state,
self.root_dir, self.target_dir)
disk_format.create_image_format()
disk_format.store_to_result(result_instance)
return result_instance
def append_unpartitioned_space(self):
"""
Extends the raw disk if an unpartitioned area is specified
"""
if self.unpartitioned_bytes:
log.info('Expanding disk with %d bytes of unpartitioned space',
self.unpartitioned_bytes)
disk_format = DiskFormat('raw', self.xml_state, self.root_dir,
self.target_dir)
disk_format.resize_raw_disk(self.unpartitioned_bytes, append=True)
firmware = FirmWare(self.xml_state)
loop_provider = LoopDevice(disk_format.diskname)
loop_provider.create(overwrite=False)
partitioner = Partitioner(firmware.get_partition_table_type(),
loop_provider)
partitioner.resize_table()
def create_install_media(self, result_instance):
"""
Build an installation image. The installation image is a
bootable hybrid ISO image which embeds the raw disk image
and an image installer
:param object result_instance: instance of :class:`Result`
:return: updated result_instance with installation media
:rtype: instance of :class:`Result`
"""
if self.install_media:
install_image = InstallImageBuilder(
self.xml_state, self.root_dir, self.target_dir,
self._load_boot_image_instance(), self.custom_args)
if self.install_iso or self.install_stick:
log.info('Creating hybrid ISO installation image')
install_image.create_install_iso()
result_instance.add(key='installation_image',
filename=install_image.isoname,
use_for_bundle=True,
compress=False,
shasum=True)
if self.install_pxe:
log.info('Creating PXE installation archive')
install_image.create_install_pxe_archive()
result_instance.add(key='installation_pxe_archive',
filename=install_image.pxetarball,
use_for_bundle=True,
compress=False,
shasum=True)
return result_instance
def _load_boot_image_instance(self):
boot_image_dump_file = self.target_dir + '/boot_image.pickledump'
if not os.path.exists(boot_image_dump_file):
raise KiwiInstallMediaError(
'No boot image instance dump %s found' % boot_image_dump_file)
try:
with open(boot_image_dump_file, 'rb') as boot_image_dump:
boot_image = pickle.load(boot_image_dump)
Path.wipe(boot_image_dump_file)
except Exception as e:
raise KiwiInstallMediaError('Failed to load boot image dump: %s' %
type(e).__name__)
return boot_image
def _setup_selinux_file_contexts(self):
security_context = '/etc/selinux/targeted/contexts/files/file_contexts'
if os.path.exists(self.root_dir + security_context):
self.system_setup.set_selinux_file_contexts(security_context)
def _install_image_requested(self):
if self.install_iso or self.install_stick or self.install_pxe:
return True
def _get_exclude_list_for_root_data_sync(self, device_map):
exclude_list = Defaults.get_exclude_list_for_root_data_sync()
if 'spare' in device_map and self.spare_part_mountpoint:
exclude_list.append('{0}/*'.format(
self.spare_part_mountpoint.lstrip(os.sep)))
exclude_list.append('{0}/.*'.format(
self.spare_part_mountpoint.lstrip(os.sep)))
if 'boot' in device_map and self.bootloader == 'grub2_s390x_emu':
exclude_list.append('boot/zipl/*')
exclude_list.append('boot/zipl/.*')
elif 'boot' in device_map:
exclude_list.append('boot/*')
exclude_list.append('boot/.*')
if 'efi' in device_map:
exclude_list.append('boot/efi/*')
exclude_list.append('boot/efi/.*')
return exclude_list
def _get_exclude_list_for_boot_data_sync(self):
return ['efi/*']
def _build_spare_filesystem(self, device_map):
if 'spare' in device_map and self.spare_part_fs:
spare_part_data_path = None
spare_part_custom_parameters = {
'fs_attributes':
self.xml_state.get_build_type_spare_part_fs_attributes()
}
if self.spare_part_mountpoint:
spare_part_data_path = self.root_dir + '{0}/'.format(
self.spare_part_mountpoint)
filesystem = FileSystem.new(self.spare_part_fs,
device_map['spare'],
spare_part_data_path,
spare_part_custom_parameters)
filesystem.create_on_device(label='SPARE')
self.system_spare = filesystem
def _build_boot_filesystems(self, device_map):
if 'efi' in device_map:
log.info('Creating EFI(fat16) filesystem on %s',
device_map['efi'].get_device())
filesystem = FileSystem.new('fat16', device_map['efi'],
self.root_dir + '/boot/efi/')
filesystem.create_on_device(label=self.disk_setup.get_efi_label())
self.system_efi = filesystem
if 'boot' in device_map:
boot_filesystem = self.requested_boot_filesystem
if not boot_filesystem:
boot_filesystem = self.requested_filesystem
boot_directory = self.root_dir + '/boot/'
if self.bootloader == 'grub2_s390x_emu':
boot_directory = self.root_dir + '/boot/zipl/'
boot_filesystem = 'ext2'
log.info('Creating boot(%s) filesystem on %s', boot_filesystem,
device_map['boot'].get_device())
filesystem = FileSystem.new(boot_filesystem, device_map['boot'],
boot_directory)
filesystem.create_on_device(label=self.disk_setup.get_boot_label())
self.system_boot = filesystem
def _build_and_map_disk_partitions(self, disksize_mbytes): # noqa: C901
self.disk.wipe()
disksize_used_mbytes = 0
if self.firmware.legacy_bios_mode():
log.info('--> creating EFI CSM(legacy bios) partition')
partition_mbsize = self.firmware.get_legacy_bios_partition_size()
self.disk.create_efi_csm_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.firmware.efi_mode():
log.info('--> creating EFI partition')
partition_mbsize = self.firmware.get_efi_partition_size()
self.disk.create_efi_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.firmware.ofw_mode():
log.info('--> creating PReP partition')
partition_mbsize = self.firmware.get_prep_partition_size()
self.disk.create_prep_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.disk_setup.need_boot_partition():
log.info('--> creating boot partition')
partition_mbsize = self.disk_setup.boot_partition_size()
self.disk.create_boot_partition(partition_mbsize)
disksize_used_mbytes += partition_mbsize
if self.swap_mbytes:
if not self.volume_manager_name or self.volume_manager_name != 'lvm':
log.info('--> creating SWAP partition')
self.disk.create_swap_partition(self.swap_mbytes)
disksize_used_mbytes += self.swap_mbytes
if self.spare_part_mbsize and not self.spare_part_is_last:
log.info('--> creating spare partition')
self.disk.create_spare_partition(self.spare_part_mbsize)
if self.root_filesystem_is_overlay:
log.info('--> creating readonly root partition')
squashed_root_file = NamedTemporaryFile()
squashed_root = FileSystemSquashFs(
device_provider=None,
root_dir=self.root_dir,
custom_args={
'compression':
self.xml_state.build_type.get_squashfscompression()
})
squashed_root.create_on_file(
filename=squashed_root_file.name,
exclude=[Defaults.get_shared_cache_location()])
squashed_rootfs_mbsize = int(
os.path.getsize(squashed_root_file.name) /
1048576) + Defaults.get_min_partition_mbytes()
self.disk.create_root_readonly_partition(squashed_rootfs_mbsize)
disksize_used_mbytes += squashed_rootfs_mbsize
if self.spare_part_mbsize and self.spare_part_is_last:
rootfs_mbsize = disksize_mbytes - disksize_used_mbytes - \
self.spare_part_mbsize - Defaults.get_min_partition_mbytes()
else:
rootfs_mbsize = 'all_free'
if self.volume_manager_name and self.volume_manager_name == 'lvm':
log.info('--> creating LVM root partition')
self.disk.create_root_lvm_partition(rootfs_mbsize)
elif self.mdraid:
log.info('--> creating mdraid root partition')
self.disk.create_root_raid_partition(rootfs_mbsize)
else:
log.info('--> creating root partition')
self.disk.create_root_partition(rootfs_mbsize)
if self.spare_part_mbsize and self.spare_part_is_last:
log.info('--> creating spare partition')
self.disk.create_spare_partition('all_free')
if self.firmware.bios_mode():
log.info('--> setting active flag to primary boot partition')
self.disk.activate_boot_partition()
if self.firmware.ofw_mode():
log.info('--> setting active flag to primary PReP partition')
self.disk.activate_boot_partition()
if self.firmware.efi_mode():
if self.force_mbr:
log.info('--> converting partition table to MBR')
self.disk.create_mbr()
elif self.hybrid_mbr:
log.info('--> converting partition table to hybrid GPT/MBR')
self.disk.create_hybrid_mbr()
self.disk.map_partitions()
return self.disk.get_device()
def _write_partition_id_config_to_boot_image(self):
log.info('Creating config.partids in boot system')
filename = ''.join(
[self.boot_image.boot_root_directory, '/config.partids'])
partition_id_map = self.disk.get_public_partition_id_map()
with open(filename, 'w') as partids:
for id_name, id_value in list(partition_id_map.items()):
partids.write('{0}="{1}"{2}'.format(id_name, id_value,
os.linesep))
self.boot_image.include_file(os.sep + os.path.basename(filename))
def _write_raid_config_to_boot_image(self):
if self.mdraid:
log.info('Creating etc/mdadm.conf in boot system')
filename = ''.join(
[self.boot_image.boot_root_directory, '/etc/mdadm.conf'])
self.raid_root.create_raid_config(filename)
self.boot_image.include_file(
os.sep + os.sep.join(['etc', os.path.basename(filename)]))
def _write_crypttab_to_system_image(self):
if self.luks:
log.info('Creating etc/crypttab')
filename = ''.join([self.root_dir, '/etc/crypttab'])
self.luks_root.create_crypttab(filename)
self.boot_image.include_file(
os.sep + os.sep.join(['etc', os.path.basename(filename)]))
def _write_generic_fstab_to_system_image(self, device_map):
log.info('Creating generic system etc/fstab')
self._write_generic_fstab(device_map, self.system_setup)
def _write_generic_fstab_to_boot_image(self, device_map):
if self.initrd_system == 'kiwi':
log.info('Creating generic boot image etc/fstab')
self._write_generic_fstab(device_map, self.boot_image.setup)
def _write_generic_fstab(self, device_map, setup):
root_is_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_snapshot()
root_is_readonly_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot()
fs_check_interval = '1 1'
custom_root_mount_args = list(self.custom_root_mount_args)
if root_is_snapshot and root_is_readonly_snapshot:
custom_root_mount_args += ['ro']
fs_check_interval = '0 0'
self._add_generic_fstab_entry(device_map['root'].get_device(), '/',
custom_root_mount_args,
fs_check_interval)
if device_map.get('boot'):
if self.bootloader == 'grub2_s390x_emu':
boot_mount_point = '/boot/zipl'
else:
boot_mount_point = '/boot'
self._add_generic_fstab_entry(device_map['boot'].get_device(),
boot_mount_point)
if device_map.get('efi'):
self._add_generic_fstab_entry(device_map['efi'].get_device(),
'/boot/efi')
if self.volume_manager_name:
volume_fstab_entries = self.system.get_fstab(
self.persistency_type, self.requested_filesystem)
for volume_fstab_entry in volume_fstab_entries:
self.fstab.add_entry(volume_fstab_entry)
if device_map.get('spare') and \
self.spare_part_fs and self.spare_part_mountpoint:
self._add_generic_fstab_entry(device_map['spare'].get_device(),
self.spare_part_mountpoint)
if device_map.get('swap'):
if self.volume_manager_name and self.volume_manager_name == 'lvm':
self._add_simple_fstab_entry(device_map['swap'].get_device(),
'swap', 'swap')
else:
self._add_generic_fstab_entry(device_map['swap'].get_device(),
'swap')
setup.create_fstab(self.fstab)
def _add_simple_fstab_entry(self,
device,
mount_point,
filesystem,
options=None,
check='0 0'):
if not options:
options = ['defaults']
fstab_entry = ' '.join(
[device, mount_point, filesystem, ','.join(options), check])
self.fstab.add_entry(fstab_entry)
def _add_generic_fstab_entry(self,
device,
mount_point,
options=None,
check='0 0'):
if not options:
options = ['defaults']
block_operation = BlockID(device)
blkid_type = 'LABEL' if self.persistency_type == 'by-label' else 'UUID'
device_id = block_operation.get_blkid(blkid_type)
fstab_entry = ' '.join([
blkid_type + '=' + device_id, mount_point,
block_operation.get_filesystem(), ','.join(options), check
])
self.fstab.add_entry(fstab_entry)
def _preserve_root_partition_uuid(self, device_map):
block_operation = BlockID(device_map['root'].get_device())
partition_uuid = block_operation.get_blkid('PARTUUID')
if partition_uuid:
self.xml_state.set_root_partition_uuid(partition_uuid)
def _preserve_root_filesystem_uuid(self, device_map):
block_operation = BlockID(device_map['root'].get_device())
rootfs_uuid = block_operation.get_blkid('UUID')
if rootfs_uuid:
self.xml_state.set_root_filesystem_uuid(rootfs_uuid)
def _write_image_identifier_to_system_image(self):
log.info('Creating image identifier: %s', self.mbrid.get_id())
self.mbrid.write(self.root_dir + '/boot/mbrid')
def _write_recovery_metadata_to_boot_image(self):
if os.path.exists(self.root_dir + '/recovery.partition.size'):
log.info('Copying recovery metadata to boot image')
recovery_metadata = ''.join(
[self.root_dir, '/recovery.partition.size'])
Command.run(
['cp', recovery_metadata, self.boot_image.boot_root_directory])
self.boot_image.include_file(os.sep +
os.path.basename(recovery_metadata))
def _write_bootloader_meta_data_to_system_image(self, device_map):
if self.bootloader != 'custom':
log.info('Creating %s bootloader configuration', self.bootloader)
boot_options = []
if self.mdraid:
boot_options.append('rd.auto')
root_device = device_map['root']
boot_device = root_device
if 'boot' in device_map:
boot_device = device_map['boot']
root_uuid = self.disk.get_uuid(device_map['root'].get_device())
boot_uuid = self.disk.get_uuid(boot_device.get_device())
boot_uuid_unmapped = self.disk.get_uuid(
device_map['luks_root'].get_device(
)) if self.luks else boot_uuid
self.bootloader_config.setup_disk_boot_images(boot_uuid_unmapped)
self.bootloader_config.write_meta_data(
root_uuid=root_uuid, boot_options=' '.join(boot_options))
log.info('Creating config.bootoptions')
filename = ''.join(
[self.boot_image.boot_root_directory, '/config.bootoptions'])
kexec_boot_options = ' '.join(
[self.bootloader_config.get_boot_cmdline(root_uuid)] +
boot_options)
with open(filename, 'w') as boot_options:
boot_options.write('{0}{1}'.format(kexec_boot_options,
os.linesep))
partition_id_map = self.disk.get_public_partition_id_map()
boot_partition_id = partition_id_map['kiwi_RootPart']
if 'kiwi_BootPart' in partition_id_map:
boot_partition_id = partition_id_map['kiwi_BootPart']
self.system_setup.call_edit_boot_config_script(
self.requested_filesystem, boot_partition_id)
def _install_bootloader(self, device_map):
root_device = device_map['root']
boot_device = root_device
if 'boot' in device_map:
boot_device = device_map['boot']
if 'readonly' in device_map:
root_device = device_map['readonly']
custom_install_arguments = {
'boot_device': boot_device.get_device(),
'root_device': root_device.get_device(),
'firmware': self.firmware,
'target_removable': self.target_removable
}
if 'efi' in device_map:
efi_device = device_map['efi']
custom_install_arguments.update(
{'efi_device': efi_device.get_device()})
if 'prep' in device_map:
prep_device = device_map['prep']
custom_install_arguments.update(
{'prep_device': prep_device.get_device()})
if self.volume_manager_name:
self.system.umount_volumes()
custom_install_arguments.update(
{'system_volumes': self.system.get_volumes()})
# create bootloader config prior bootloader installation
self.bootloader_config.setup_disk_image_config(
boot_options=custom_install_arguments)
if 's390' in self.arch:
self.bootloader_config.write()
# cleanup bootloader config resources taken prior to next steps
del self.bootloader_config
if self.bootloader != 'custom':
log.debug("custom arguments for bootloader installation %s",
custom_install_arguments)
bootloader = BootLoaderInstall(self.bootloader, self.root_dir,
self.disk.storage_provider,
custom_install_arguments)
if bootloader.install_required():
bootloader.install()
self.system_setup.call_edit_boot_install_script(
self.diskname, boot_device.get_device())
def _setup_property_root_is_readonly_snapshot(self):
if self.volume_manager_name:
root_is_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_snapshot()
root_is_readonly_snapshot = \
self.xml_state.build_type.get_btrfs_root_is_readonly_snapshot()
if root_is_snapshot and root_is_readonly_snapshot:
log.info('Setting root filesystem into read-only mode')
self.system.mount_volumes()
self.system.set_property_readonly_root()
self.system.umount_volumes()
def _copy_first_boot_files_to_system_image(self):
boot_names = self.boot_image.get_boot_names()
if self.initrd_system == 'kiwi':
log.info('Copy boot files to system image')
kernel = Kernel(self.boot_image.boot_root_directory)
log.info('--> boot image kernel as %s', boot_names.kernel_name)
kernel.copy_kernel(self.root_dir,
''.join(['/boot/', boot_names.kernel_name]))
if self.xen_server:
if kernel.get_xen_hypervisor():
log.info('--> boot image Xen hypervisor as xen.gz')
kernel.copy_xen_hypervisor(self.root_dir, '/boot/xen.gz')
else:
raise KiwiDiskBootImageError(
'No hypervisor in boot image tree %s found' %
self.boot_image.boot_root_directory)
log.info('--> initrd archive as %s', boot_names.initrd_name)
Command.run([
'mv', self.boot_image.initrd_filename,
self.root_dir + ''.join(['/boot/', boot_names.initrd_name])
])
class TestFstab(object):
@fixture(autouse=True)
def inject_fixtures(self, caplog):
self._caplog = caplog
def setup(self):
self.fstab = Fstab()
with self._caplog.at_level(logging.WARNING):
self.fstab.read('../data/fstab')
assert format(
'Mountpoint for "LABEL=bar /home xfs defaults 0 0" '
'in use by "LABEL=foo /home ext4 defaults 0 0", skipped'
) in self._caplog.text
def test_get_devices(self):
assert self.fstab.get_devices() == [
fstab_entry_type(
fstype='ext4',
mountpoint='/',
device_path='/dev/disk/'
'by-uuid/bd604632-663b-4d4c-b5b0-8d8686267ea2',
device_spec='UUID=bd604632-663b-4d4c-b5b0-8d8686267ea2',
options='acl,user_xattr',
dump='0',
fs_passno='1'),
fstab_entry_type(
fstype='swap',
mountpoint='swap',
device_path='/dev/disk/'
'by-uuid/daa5a8c3-5c72-4343-a1d4-bb74ec4e586e',
device_spec='UUID=daa5a8c3-5c72-4343-a1d4-bb74ec4e586e',
options='defaults',
dump='0',
fs_passno='0'),
fstab_entry_type(fstype='vfat',
mountpoint='/boot/efi',
device_path='/dev/disk/by-uuid/FCF7-B051',
device_spec='UUID=FCF7-B051',
options='defaults',
dump='0',
fs_passno='0'),
fstab_entry_type(fstype='xfs',
mountpoint='/boot',
device_path='/dev/disk/by-label/BOOT',
device_spec='LABEL=BOOT',
options='defaults',
dump='0',
fs_passno='0'),
fstab_entry_type(fstype='ext4',
mountpoint='/home',
device_path='/dev/disk/by-label/foo',
device_spec='LABEL=foo',
options='defaults',
dump='0',
fs_passno='0'),
fstab_entry_type(fstype='ext4',
mountpoint='/bar',
device_path='/dev/disk/by-partuuid/3c8bd108-01',
device_spec='PARTUUID=3c8bd108-01',
options='defaults',
dump='0',
fs_passno='0'),
fstab_entry_type(fstype='ext4',
mountpoint='/foo',
device_path='/dev/mynode',
device_spec='/dev/mynode',
options='defaults',
dump='0',
fs_passno='0')
]
def test_export_and_canonical_order(self):
with patch('builtins.open', create=True) as mock_open:
mock_open.return_value = MagicMock(spec=io.IOBase)
self.fstab.export('filename')
file_handle = mock_open.return_value.__enter__.return_value
mock_open.assert_called_once_with('filename', 'w')
assert file_handle.write.call_args_list == [
call('UUID=daa5a8c3-5c72-4343-a1d4-bb74ec4e586e swap '
'swap defaults 0 0\n'),
call('UUID=bd604632-663b-4d4c-b5b0-8d8686267ea2 / '
'ext4 acl,user_xattr 0 1\n'),
call('PARTUUID=3c8bd108-01 /bar ext4 defaults 0 0\n'),
call('LABEL=BOOT /boot xfs defaults 0 0\n'),
call('/dev/mynode /foo ext4 defaults 0 0\n'),
call('LABEL=foo /home ext4 defaults 0 0\n'),
call('UUID=FCF7-B051 /boot/efi vfat defaults 0 0\n')
]
def __init__(self,
xml_state: XMLState,
target_dir: str,
root_dir: str,
custom_args: Dict = None):
self.arch = Defaults.get_platform_name()
self.root_dir = root_dir
self.target_dir = target_dir
self.xml_state = xml_state
self.spare_part_mbsize = xml_state.get_build_type_spare_part_size()
self.spare_part_fs = xml_state.build_type.get_spare_part_fs()
self.spare_part_is_last = xml_state.build_type.get_spare_part_is_last()
self.spare_part_mountpoint = \
xml_state.build_type.get_spare_part_mountpoint()
self.persistency_type = xml_state.build_type.get_devicepersistency()
self.root_filesystem_is_overlay = xml_state.build_type.get_overlayroot(
)
self.custom_root_mount_args = xml_state.get_fs_mount_option_list()
self.custom_root_creation_args = xml_state.get_fs_create_option_list()
self.build_type_name = xml_state.get_build_type_name()
self.image_format = xml_state.build_type.get_format()
self.install_iso = xml_state.build_type.get_installiso()
self.install_stick = xml_state.build_type.get_installstick()
self.install_pxe = xml_state.build_type.get_installpxe()
self.blocksize = xml_state.build_type.get_target_blocksize()
self.volume_manager_name = xml_state.get_volume_management()
self.volumes = xml_state.get_volumes()
self.custom_partitions = xml_state.get_partitions()
self.volume_group_name = xml_state.get_volume_group_name()
self.mdraid = xml_state.build_type.get_mdraid()
self.hybrid_mbr = xml_state.build_type.get_gpt_hybrid_mbr()
self.force_mbr = xml_state.build_type.get_force_mbr()
self.luks = xml_state.build_type.get_luks()
self.luks_os = xml_state.build_type.get_luksOS()
self.xen_server = xml_state.is_xen_server()
self.requested_filesystem = xml_state.build_type.get_filesystem()
self.requested_boot_filesystem = \
xml_state.build_type.get_bootfilesystem()
self.bootloader = xml_state.get_build_type_bootloader_name()
self.initrd_system = xml_state.get_initrd_system()
self.target_removable = xml_state.build_type.get_target_removable()
self.root_filesystem_is_multipath = \
xml_state.get_oemconfig_oem_multipath_scan()
self.disk_resize_requested = \
xml_state.get_oemconfig_oem_resize()
self.swap_mbytes = xml_state.get_oemconfig_swap_mbytes()
self.disk_setup = DiskSetup(xml_state, root_dir)
self.unpartitioned_bytes = \
xml_state.get_build_type_unpartitioned_bytes()
self.custom_args = custom_args
self.signing_keys = None
if custom_args and 'signing_keys' in custom_args:
self.signing_keys = custom_args['signing_keys']
self.boot_image = BootImage.new(xml_state,
target_dir,
root_dir,
signing_keys=self.signing_keys)
self.firmware = FirmWare(xml_state)
self.system_setup = SystemSetup(xml_state=xml_state,
root_dir=self.root_dir)
self.bundle_format = xml_state.get_build_type_bundle_format()
self.diskname = ''.join([
target_dir, '/',
xml_state.xml_data.get_name(), '.' + self.arch,
'-' + xml_state.get_image_version(), '.raw'
])
self.boot_is_crypto = True if self.luks and not \
self.disk_setup.need_boot_partition() else False
self.install_media = self._install_image_requested()
self.fstab = Fstab()
# result store
self.result = Result(xml_state)
self.runtime_config = RuntimeConfig()
if not self.boot_image.has_initrd_support():
log.warning('Building without initrd support !')
def setup(self):
self.fstab = Fstab()
self.fstab.read('../data/fstab')