def run_format(self):
""" Create partitions and file systems """
# https://wiki.archlinux.org/index.php/Installing_Arch_Linux_on_ZFS
# https://wiki.archlinux.org/index.php/ZFS#GRUB-compatible_pool_creation
device_paths = self.zfs_options["device_paths"]
logging.debug("Configuring ZFS in %s", ",".join(device_paths))
# Read all preexisting zfs pools. If there's an antergos one, delete it.
self.do_destroy_zfs_pools()
# Wipe all disks that will be part of the installation.
# This cannot be undone!
self.init_device(device_paths[0], self.zfs_options["scheme"])
for device_path in device_paths[1:]:
self.init_device(device_path, "GPT")
device_path = device_paths[0]
solaris_partition_number = -1
self.settings.set('bootloader_device', device_path)
if self.zfs_options["scheme"] == "GPT":
part_num = 1
if not self.uefi:
# BIOS and GPT
# Create BIOS Boot Partition
# GPT GUID: 21686148-6449-6E6F-744E-656564454649
# This partition is not required if the system is UEFI based,
# as there is no such embedding of the second-stage code in that case
wrapper.sgdisk_new(device_path, part_num, "BIOS_BOOT", 2, "EF02")
part_num += 1
# Create BOOT partition
wrapper.sgdisk_new(device_path, part_num, "ANTERGOS_BOOT", 512, "8300")
fs.create_fs(device_path + str(part_num), "ext4", "ANTERGOS_BOOT")
self.devices['boot'] = "{0}{1}".format(device_path, part_num)
self.fs_devices[self.devices['boot']] = "ext4"
self.mount_devices['/boot'] = self.devices['boot']
part_num += 1
else:
# UEFI and GPT
if self.bootloader == "grub2":
# Create EFI System Partition (ESP)
# GPT GUID: C12A7328-F81F-11D2-BA4B-00A0C93EC93B
wrapper.sgdisk_new(device_path, part_num, "UEFI_SYSTEM", 200, "EF00")
self.devices['efi'] = "{0}{1}".format(device_path, part_num)
self.fs_devices[self.devices['efi']] = "vfat"
self.mount_devices['/boot/efi'] = self.devices['efi']
part_num += 1
# Create BOOT partition
wrapper.sgdisk_new(device_path, part_num, "ANTERGOS_BOOT", 512, "8300")
fs.create_fs(device_path + str(part_num), "ext4", "ANTERGOS_BOOT")
self.devices['boot'] = "{0}{1}".format(device_path, part_num)
self.fs_devices[self.devices['boot']] = "ext4"
self.mount_devices['/boot'] = self.devices['boot']
part_num += 1
else:
# systemd-boot, refind
# Create BOOT partition
wrapper.sgdisk_new(device_path, part_num, "ANTERGOS_BOOT", 512, "EF00")
fs.create_fs(device_path + str(part_num), "vfat", "ANTERGOS_BOOT")
self.devices['boot'] = "{0}{1}".format(device_path, part_num)
self.fs_devices[self.devices['boot']] = "vfat"
self.mount_devices['/boot'] = self.devices['boot']
part_num += 1
# The rest of the disk will be of solaris type
wrapper.sgdisk_new(device_path, part_num, "ANTERGOS_ZFS", 0, "BF00")
solaris_partition_number = part_num
self.devices['root'] = "{0}{1}".format(device_path, part_num)
# self.fs_devices[self.devices['root']] = "zfs"
self.mount_devices['/'] = self.devices['root']
else:
# MBR
# Create boot partition (all sizes are in MiB)
# if start is -1 wrapper.parted_mkpart assumes that our partition
# starts at 1 (first partition in disk)
start = -1
end = 512
part = "1"
wrapper.parted_mkpart(device_path, "primary", start, end)
# Set boot partition as bootable
wrapper.parted_set(device_path, part, "boot", "on")
# Format the boot partition as well as any other system partitions.
# Do not do anything to the Solaris partition nor to the BIOS boot
# partition. ZFS will manage the first, and the bootloader the
# second.
if self.uefi:
fs_boot = "vfat"
else:
fs_boot = "ext4"
fs.create_fs(device_path + part, fs_boot, "ANTERGOS_BOOT")
self.devices['boot'] = "{0}{1}".format(device_path, part)
self.fs_devices[self.devices['boot']] = fs_boot
self.mount_devices['/boot'] = self.devices['boot']
# The rest of the disk will be of solaris type
start = end
wrapper.parted_mkpart(device_path, "primary", start, "-1s")
solaris_partition_number = 2
self.devices['root'] = "{0}{1}".format(device_path, 2)
# self.fs_devices[self.devices['root']] = "zfs"
self.mount_devices['/'] = self.devices['root']
# Wait until /dev initialized correct devices
call(["udevadm", "settle"])
call(["sync"])
self.create_zfs(solaris_partition_number)
def start_installation(self):
""" Alongside method shrinks selected partition
and creates root and swap partition in the available space """
if self.is_room_available() == False:
return
partition_path = self.row[0]
otherOS = self.row[1]
fs_type = self.row[2]
# What if path is sda10 (two digits) ? this is wrong
device_path = self.row[0][:-1]
#re.search(r'\d+$', self.row[0])
new_size = self.new_size
# First, shrink filesystem
res = fs.resize(partition_path, fs_type, new_size)
if res:
#logging.info("Filesystem on " + partition_path + " shrunk.\nWill recreate partition now on device " + device_path + " partition " + partition_path)
txt = _("Filesystem on %s shrunk.") % partition_path
txt += "\n"
txt += _("Will recreate partition now on device %s partition %s"
) % (device_path, partition_path)
logging.debug(txt)
# destroy original partition and create a new resized one
res = pm.split_partition(device_path, partition_path, new_size)
else:
txt = _("Can't shrink %s(%s) filesystem") % (otherOS, fs_type)
logging.error(txt)
show.error(txt)
return
# 'res' is either False or a parted.Geometry for the new free space
if res is not None:
txt = _("Partition %s shrink complete") % partition_path
logging.debug(txt)
else:
txt = _("Can't shrink %s(%s) partition") % (otherOS, fs_type)
logging.error(txt)
show.error(txt)
txt = _("*** FILESYSTEM IN UNSAFE STATE ***")
txt += "\n"
txt += _(
"Filesystem shrink succeeded but partition shrink failed.")
logging.error(txt)
return
disc_dic = pm.get_devices()
disk = disc_dic[device_path][0]
mount_devices = {}
fs_devices = {}
mem_total = subprocess.check_output(
["grep", "MemTotal", "/proc/meminfo"]).decode()
mem_total = int(mem_total.split()[1])
mem = mem_total / 1024
# If geometry gives us at least 7.5GB (MIN_ROOT_SIZE + 1GB) we'll create ROOT and SWAP
no_swap = False
if res.getLength('MB') < MIN_ROOT_SIZE + 1:
if mem < 2048:
# Less than 2GB RAM and no swap? No way.
txt = _(
"Cannot create new swap partition. Not enough free space")
logging.error(txt)
show.error(txt)
return
else:
no_swap = True
if no_swap:
npart = pm.create_partition(device_path, 0, res)
if npart is None:
txt = _("Cannot create new partition.")
logging.error(txt)
show.error(txt)
return
pm.finalize_changes(disk)
mount_devices["/"] = npart.path
fs_devices[npart.path] = "ext4"
fs.create_fs(npart.path, 'ext4', label='ROOT')
else:
# We know for a fact we have at least MIN_ROOT_SIZE + 1GB of space,
# and at least MIN_ROOT_SIZE of those must go to ROOT.
# Suggested sizes from Anaconda installer
if mem < 2048:
swap_part_size = 2 * mem
elif 2048 <= mem < 8192:
swap_part_size = mem
elif 8192 <= mem < 65536:
swap_part_size = mem / 2
else:
swap_part_size = 4096
# Max swap size is 10% of all available disk size
max_swap = res.getLength('MB') * 0.1
if swap_part_size > max_swap:
swap_part_size = max_swap
# Create swap partition
units = 1000000
sec_size = disk.device.sectorSize
new_length = int(swap_part_size * units / sec_size)
new_end_sector = res.start + new_length
my_geometry = pm.geom_builder(disk, res.start, new_end_sector,
swap_part_size)
logging.debug("create_partition %s", my_geometry)
swappart = pm.create_partition(disk, 0, my_geometry)
if swappart is None:
txt = _("Cannot create new swap partition.")
logging.error(txt)
show.error(txt)
return
# Create new partition for /
new_size_in_mb = res.getLength('MB') - swap_part_size
start_sector = new_end_sector + 1
my_geometry = pm.geom_builder(disk, start_sector, res.end,
new_size_in_mb)
logging.debug("create_partition %s", my_geometry)
npart = pm.create_partition(disk, 0, my_geometry)
if npart is None:
txt = _("Cannot create new partition.")
logging.error(txt)
show.error(txt)
return
pm.finalize_changes(disk)
# Mount points
mount_devices["swap"] = swappart.path
fs_devices[swappart.path] = "swap"
fs.create_fs(swappart.path, 'swap', 'SWAP')
mount_devices["/"] = npart.path
fs_devices[npart.path] = "ext4"
fs.create_fs(npart.path, 'ext4', 'ROOT')
self.settings.set('install_bootloader', True)
if self.settings.get('install_bootloader'):
if self.settings.get('efi'):
self.settings.set('bootloader_type', "UEFI_x86_64")
self.settings.set('bootloader_location', '/boot')
else:
self.settings.set('bootloader_type', "GRUB2")
self.settings.set('bootloader_location', device_path)
logging.info(
_("Thus will install the bootloader of type %s in %s") %
(self.settings.get('bootloader_type'),
self.settings.get('bootloader_location')))
else:
logging.warning("Cnchi will not install any boot loader")
if not self.testing:
self.process = installation_process.InstallationProcess( \
self.settings, \
self.callback_queue, \
mount_devices, \
fs_devices, \
None, \
self.alternate_package_list)
self.process.start()
def start_installation(self):
""" Alongside method shrinks selected partition
and creates root and swap partition in the available space """
if self.is_room_available() == False:
return
partition_path = self.row[0]
otherOS = self.row[1]
fs_type = self.row[2]
# What if path is sda10 (two digits) ? this is wrong
device_path = self.row[0][:-1]
#re.search(r'\d+$', self.row[0])
new_size = self.new_size
# First, shrink filesystem
res = fs.resize(partition_path, fs_type, new_size)
if res:
#logging.info("Filesystem on " + partition_path + " shrunk.\nWill recreate partition now on device " + device_path + " partition " + partition_path)
txt = _("Filesystem on %s shrunk.") % partition_path
txt += "\n"
txt += _("Will recreate partition now on device %s partition %s") % (device_path, partition_path)
logging.debug(txt)
# destroy original partition and create a new resized one
res = pm.split_partition(device_path, partition_path, new_size)
else:
txt = _("Can't shrink %s(%s) filesystem") % (otherOS, fs_type)
logging.error(txt)
show.error(txt)
return
# 'res' is either False or a parted.Geometry for the new free space
if res is not None:
txt = _("Partition %s shrink complete") % partition_path
logging.debug(txt)
else:
txt = _("Can't shrink %s(%s) partition") % (otherOS, fs_type)
logging.error(txt)
show.error(txt)
txt = _("*** FILESYSTEM IN UNSAFE STATE ***")
txt += "\n"
txt += _("Filesystem shrink succeeded but partition shrink failed.")
logging.error(txt)
return
disc_dic = pm.get_devices()
disk = disc_dic[device_path][0]
mount_devices = {}
fs_devices = {}
mem_total = subprocess.check_output(["grep", "MemTotal", "/proc/meminfo"]).decode()
mem_total = int(mem_total.split()[1])
mem = mem_total / 1024
# If geometry gives us at least 7.5GB (MIN_ROOT_SIZE + 1GB) we'll create ROOT and SWAP
no_swap = False
if res.getLength('MB') < MIN_ROOT_SIZE + 1:
if mem < 2048:
# Less than 2GB RAM and no swap? No way.
txt = _("Cannot create new swap partition. Not enough free space")
logging.error(txt)
show.error(txt)
return
else:
no_swap = True
if no_swap:
npart = pm.create_partition(device_path, 0, res)
if npart is None:
txt = _("Cannot create new partition.")
logging.error(txt)
show.error(txt)
return
pm.finalize_changes(disk)
mount_devices["/"] = npart.path
fs_devices[npart.path] = "ext4"
fs.create_fs(npart.path, 'ext4', label='ROOT')
else:
# We know for a fact we have at least MIN_ROOT_SIZE + 1GB of space,
# and at least MIN_ROOT_SIZE of those must go to ROOT.
# Suggested sizes from Anaconda installer
if mem < 2048:
swap_part_size = 2 * mem
elif 2048 <= mem < 8192:
swap_part_size = mem
elif 8192 <= mem < 65536:
swap_part_size = mem / 2
else:
swap_part_size = 4096
# Max swap size is 10% of all available disk size
max_swap = res.getLength('MB') * 0.1
if swap_part_size > max_swap:
swap_part_size = max_swap
# Create swap partition
units = 1000000
sec_size = disk.device.sectorSize
new_length = int(swap_part_size * units / sec_size)
new_end_sector = res.start + new_length
my_geometry = pm.geom_builder(disk, res.start, new_end_sector, swap_part_size)
logging.debug("create_partition %s", my_geometry)
swappart = pm.create_partition(disk, 0, my_geometry)
if swappart is None:
txt = _("Cannot create new swap partition.")
logging.error(txt)
show.error(txt)
return
# Create new partition for /
new_size_in_mb = res.getLength('MB') - swap_part_size
start_sector = new_end_sector + 1
my_geometry = pm.geom_builder(disk, start_sector, res.end, new_size_in_mb)
logging.debug("create_partition %s", my_geometry)
npart = pm.create_partition(disk, 0, my_geometry)
if npart is None:
txt = _("Cannot create new partition.")
logging.error(txt)
show.error(txt)
return
pm.finalize_changes(disk)
# Mount points
mount_devices["swap"] = swappart.path
fs_devices[swappart.path] = "swap"
fs.create_fs(swappart.path, 'swap', 'SWAP')
mount_devices["/"] = npart.path
fs_devices[npart.path] = "ext4"
fs.create_fs(npart.path, 'ext4', 'ROOT')
self.settings.set('install_bootloader', True)
if self.settings.get('install_bootloader'):
if self.settings.get('efi'):
self.settings.set('bootloader_type', "UEFI_x86_64")
self.settings.set('bootloader_location', '/boot')
else:
self.settings.set('bootloader_type', "GRUB2")
self.settings.set('bootloader_location', device_path)
logging.info(_("Thus will install the bootloader of type %s in %s") %
(self.settings.get('bootloader_type'),
self.settings.get('bootloader_location')))
else:
logging.warning("Cnchi will not install any boot loader")
if not self.testing:
self.process = installation_process.InstallationProcess( \
self.settings, \
self.callback_queue, \
mount_devices, \
fs_devices, \
None, \
self.alternate_package_list)
self.process.start()
def run_format(self):
""" Create partitions and file systems """
# https://wiki.archlinux.org/index.php/Installing_Arch_Linux_on_ZFS
# https://wiki.archlinux.org/index.php/ZFS#GRUB-compatible_pool_creation
device_paths = self.zfs_options["device_paths"]
logging.debug("Configuring ZFS in %s", ",".join(device_paths))
# Read all preexisting zfs pools. If there's a reborn one, delete it.
self.do_destroy_zfs_pools()
# Wipe all disks that will be part of the installation.
# This cannot be undone!
self.init_device(device_paths[0], self.zfs_options["scheme"])
for device_path in device_paths[1:]:
self.init_device(device_path, "GPT")
device_path = device_paths[0]
solaris_partition_number = -1
self.settings.set('bootloader_device', device_path)
if self.zfs_options["scheme"] == "GPT":
part_num = 1
if not self.uefi:
# BIOS and GPT
# Create BIOS Boot Partition
# GPT GUID: 21686148-6449-6E6F-744E-656564454649
# This partition is not required if the system is UEFI based,
# as there is no such embedding of the second-stage code in that case
wrapper.sgdisk_new(device_path, part_num, "BIOS_BOOT", 2,
"EF02")
part_num += 1
# Create BOOT partition
wrapper.sgdisk_new(device_path, part_num, "REBORN_BOOT", 512,
"8300")
self.devices['boot'] = "{0}{1}".format(device_path, part_num)
self.fs_devices[self.devices['boot']] = "ext4"
self.mount_devices['/boot'] = self.devices['boot']
# mkfs
fs.create_fs(self.devices['boot'],
self.fs_devices[self.devices['boot']],
"REBORN_BOOT")
part_num += 1
else:
# UEFI and GPT
if self.bootloader == "grub2":
# Create EFI System Partition (ESP)
# GPT GUID: C12A7328-F81F-11D2-BA4B-00A0C93EC93B
wrapper.sgdisk_new(device_path, part_num, "UEFI_SYSTEM",
200, "EF00")
self.devices['efi'] = "{0}{1}".format(
device_path, part_num)
self.fs_devices[self.devices['efi']] = "vfat"
self.mount_devices['/boot/efi'] = self.devices['efi']
# mkfs
fs.create_fs(self.devices['efi'],
self.fs_devices[self.devices['efi']], "EFI")
part_num += 1
# Create BOOT partition
wrapper.sgdisk_new(device_path, part_num, "REBORN_BOOT",
512, "8300")
self.devices['boot'] = "{0}{1}".format(
device_path, part_num)
self.fs_devices[self.devices['boot']] = "ext4"
self.mount_devices['/boot'] = self.devices['boot']
# mkfs
fs.create_fs(self.devices['boot'],
self.fs_devices[self.devices['boot']],
"REBORN_BOOT")
part_num += 1
else:
# systemd-boot, refind
# Create BOOT partition
wrapper.sgdisk_new(device_path, part_num, "REBORN_BOOT",
512, "EF00")
self.devices['boot'] = "{0}{1}".format(
device_path, part_num)
self.fs_devices[self.devices['boot']] = "vfat"
self.mount_devices['/boot'] = self.devices['boot']
# mkfs
fs.create_fs(self.devices['boot'],
self.fs_devices[self.devices['boot']],
"REBORN_BOOT")
part_num += 1
# The rest of the disk will be of solaris type
wrapper.sgdisk_new(device_path, part_num, "REBORN_ZFS", 0, "BF00")
solaris_partition_number = part_num
self.devices['root'] = "{0}{1}".format(device_path, part_num)
# self.fs_devices[self.devices['root']] = "zfs"
self.mount_devices['/'] = self.devices['root']
else:
# MBR
# Create boot partition (all sizes are in MiB)
# if start is -1 wrapper.parted_mkpart assumes that our partition
# starts at 1 (first partition in disk)
start = -1
end = 512
part = "1"
wrapper.parted_mkpart(device_path, "primary", start, end)
# Set boot partition as bootable
wrapper.parted_set(device_path, part, "boot", "on")
# Format the boot partition as well as any other system partitions.
# Do not do anything to the Solaris partition nor to the BIOS boot
# partition. ZFS will manage the first, and the bootloader the
# second.
if self.uefi:
fs_boot = "vfat"
else:
fs_boot = "ext4"
self.devices['boot'] = "{0}{1}".format(device_path, part)
self.fs_devices[self.devices['boot']] = fs_boot
self.mount_devices['/boot'] = self.devices['boot']
# mkfs
fs.create_fs(self.devices['boot'],
self.fs_devices[self.devices['boot']], "REBORN_BOOT")
# The rest of the disk will be of solaris type
start = end
wrapper.parted_mkpart(device_path, "primary", start, "-1s")
solaris_partition_number = 2
self.devices['root'] = "{0}{1}".format(device_path, 2)
# self.fs_devices[self.devices['root']] = "zfs"
self.mount_devices['/'] = self.devices['root']
# Wait until /dev initialized correct devices
call(["udevadm", "settle"])
call(["sync"])
self.create_zfs(solaris_partition_number)