def _apply_drive_order(self, storage, bootloader_proxy, dry_run=False):
"""Apply the drive order.
Drive specifications can contain | delimited variant specifications,
such as for example: "vd*|hd*|sd*"
So use the resolved disk identifiers returned by the device_matches()
function in place of the original specification but still remove the
specifications that don't match anything from the output kickstart to
keep existing --driveorder processing behavior.
"""
drive_order = bootloader_proxy.DriveOrder
usable_disks = set(self._get_usable_disks(storage))
valid_disks = []
for drive in drive_order[:]:
# Resolve disk identifiers.
matched_disks = device_matches(drive, devicetree=storage.devicetree, disks_only=True)
# Are any of the matched disks usable?
if any(d in usable_disks for d in matched_disks):
valid_disks.extend(matched_disks)
else:
drive_order.remove(drive)
log.warning("Requested drive %s in boot drive order doesn't exist "
"or cannot be used.", drive)
# Apply the drive order.
log.debug("Applying drive order: %s", valid_disks)
storage.bootloader.disk_order = valid_disks
# Update the module.
if not dry_run and bootloader_proxy.DriveOrder != drive_order:
bootloader_proxy.SetDriveOrder(drive_order)
def get_device_names(specs, disks_only=False, msg="{}", lineno=None):
"""Get device names from device specifications."""
drives = []
for spec in specs:
matched = device_matches(spec, disks_only=disks_only)
if not matched:
raise KickstartParseError(msg.format(spec), lineno=lineno)
else:
drives.extend(matched)
return drives
def get_device_names(specs, disks_only=False, msg="{}", lineno=None):
"""Get device names from device specifications."""
drives = []
for spec in specs:
matched = device_matches(spec, disks_only=disks_only)
if not matched:
raise KickstartParseError(msg.format(spec), lineno=lineno)
else:
drives.extend(matched)
return drives
def _check_boot_drive(self, storage, boot_drive, usable_disks):
"""Check the specified boot drive."""
# Resolve the disk identifier.
matched_disks = device_matches(boot_drive, devicetree=storage.devicetree, disks_only=True)
if not matched_disks:
raise KickstartParseError(_("No match found for given boot drive "
"\"{}\".").format(boot_drive))
if len(matched_disks) > 1:
raise KickstartParseError(_("More than one match found for given boot drive "
"\"{}\".").format(boot_drive))
if matched_disks[0] not in usable_disks:
raise KickstartParseError(_("Requested boot drive \"{}\" doesn't exist or cannot "
"be used.").format(boot_drive))