def __format_disks(self):
self.layout_partitions()
if self.skipformat:
msger.debug(
"Skipping disk format, because skipformat flag is set.")
return
for dev in self.disks.keys():
d = self.disks[dev]
msger.debug("Initializing partition table for %s" % \
(d['disk'].device))
self.__run_parted(
["-s", d['disk'].device, "mklabel", d['ptable_format']])
msger.debug("Creating partitions")
for p in self.partitions:
d = self.disks[p['disk_name']]
if d['ptable_format'] == "msdos" and p['num'] == 5:
# The last sector of the 3rd partition was reserved for the EBR
# of the first _logical_ partition. This is why the extended
# partition should start one sector before the first logical
# partition.
self.__create_partition(d['disk'].device, "extended", None,
p['start'] - 1,
d['offset'] - p['start'])
if p['fstype'] == "swap":
parted_fs_type = "linux-swap"
elif p['fstype'] == "vfat":
parted_fs_type = "fat32"
elif p['fstype'] == "msdos":
parted_fs_type = "fat16"
else:
# Type for ext2/ext3/ext4/btrfs
parted_fs_type = "ext2"
# Boot ROM of OMAP boards require vfat boot partition to have an
# even number of sectors.
if p['mountpoint'] == "/boot" and p['fstype'] in ["vfat", "msdos"] \
and p['size'] % 2:
msger.debug("Substracting one sector from '%s' partition to " \
"get even number of sectors for the partition" % \
p['mountpoint'])
p['size'] -= 1
self.__create_partition(d['disk'].device, p['type'],
parted_fs_type, p['start'], p['size'])
if p['boot']:
if d['ptable_format'] == 'gpt':
flag_name = "legacy_boot"
else:
flag_name = "boot"
msger.debug("Set '%s' flag for partition '%s' on disk '%s'" % \
(flag_name, p['num'], d['disk'].device))
cmd = [
"-s", d['disk'].device, "set",
"%d" % p['num'], flag_name, "on"
]
exitcode, output = self.__run_parted(cmd)
if exitcode != 0:
msger.warning(
"partition '%s' is marked with --active, "
"but flag '%s' can't be set: "
"exitcode: %s, output: %s" %
(p['mountpoint'], flag_name, exitcode, output))
# If the partition table format is "gpt", find out PARTUUIDs for all
# the partitions. And if users specified custom parition type UUIDs,
# set them.
for disk_name, disk in self.disks.items():
if disk['ptable_format'] != 'gpt':
continue
pnum = 0
gpt_parser = GptParser(disk['disk'].device, SECTOR_SIZE)
# Iterate over all GPT partitions on this disk
for entry in gpt_parser.get_partitions():
pnum += 1
# Find the matching partition in the 'self.partitions' list
for n in disk['partitions']:
p = self.partitions[n]
if p['num'] == pnum:
# Found, fetch PARTUUID (partition's unique ID)
p['partuuid'] = entry['part_uuid']
msger.debug("PARTUUID for partition %d on disk '%s' " \
"(mount point '%s') is '%s'" % (pnum, \
disk_name, p['mountpoint'], p['partuuid']))
if p['part_type']:
entry['type_uuid'] = p['part_type']
msger.debug("Change type of partition %d on disk " \
"'%s' (mount point '%s') to '%s'" % \
(pnum, disk_name, p['mountpoint'],
p['part_type']))
gpt_parser.change_partition(entry)
del gpt_parser
def __format_disks(self):
self.layout_partitions()
if self.skipformat:
msger.debug("Skipping disk format, because skipformat flag is set.")
return
for dev in self.disks.keys():
d = self.disks[dev]
msger.debug("Initializing partition table for %s" % \
(d['disk'].device))
self.__run_parted(["-s", d['disk'].device, "mklabel",
d['ptable_format']])
msger.debug("Creating partitions")
for p in self.partitions:
d = self.disks[p['disk_name']]
if d['ptable_format'] == "msdos" and p['num'] == 5:
# The last sector of the 3rd partition was reserved for the EBR
# of the first _logical_ partition. This is why the extended
# partition should start one sector before the first logical
# partition.
self.__create_partition(d['disk'].device, "extended",
None, p['start'] - 1,
d['offset'] - p['start'])
if p['fstype'] == "swap":
parted_fs_type = "linux-swap"
elif p['fstype'] == "vfat":
parted_fs_type = "fat32"
elif p['fstype'] == "msdos":
parted_fs_type = "fat16"
else:
# Type for ext2/ext3/ext4/btrfs
parted_fs_type = "ext2"
# Boot ROM of OMAP boards require vfat boot partition to have an
# even number of sectors.
if p['mountpoint'] == "/boot" and p['fstype'] in ["vfat", "msdos"] \
and p['size'] % 2:
msger.debug("Substracting one sector from '%s' partition to " \
"get even number of sectors for the partition" % \
p['mountpoint'])
p['size'] -= 1
self.__create_partition(d['disk'].device, p['type'],
parted_fs_type, p['start'], p['size'])
if p['boot']:
if d['ptable_format'] == 'gpt':
flag_name = "legacy_boot"
else:
flag_name = "boot"
msger.debug("Set '%s' flag for partition '%s' on disk '%s'" % \
(flag_name, p['num'], d['disk'].device))
self.__run_parted(["-s", d['disk'].device, "set",
"%d" % p['num'], flag_name, "on"])
# If the partition table format is "gpt", find out PARTUUIDs for all
# the partitions. And if users specified custom parition type UUIDs,
# set them.
for disk_name, disk in self.disks.items():
if disk['ptable_format'] != 'gpt':
continue
pnum = 0
gpt_parser = GptParser(d['disk'].device, SECTOR_SIZE)
# Iterate over all GPT partitions on this disk
for entry in gpt_parser.get_partitions():
pnum += 1
# Find the matching partition in the 'self.partitions' list
for n in d['partitions']:
p = self.partitions[n]
if p['num'] == pnum:
# Found, fetch PARTUUID (partition's unique ID)
p['partuuid'] = entry['part_uuid']
msger.debug("PARTUUID for partition %d on disk '%s' " \
"(mount point '%s') is '%s'" % (pnum, \
disk_name, p['mountpoint'], p['partuuid']))
if p['part_type']:
entry['type_uuid'] = p['part_type']
msger.debug("Change type of partition %d on disk " \
"'%s' (mount point '%s') to '%s'" % \
(pnum, disk_name, p['mountpoint'],
p['part_type']))
gpt_parser.change_partition(entry)
del gpt_parser
