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-rw-r--r--archinstall/lib/disk.py228
1 files changed, 130 insertions, 98 deletions
diff --git a/archinstall/lib/disk.py b/archinstall/lib/disk.py
index 3241c455..ac59600d 100644
--- a/archinstall/lib/disk.py
+++ b/archinstall/lib/disk.py
@@ -1,22 +1,26 @@
-import glob, re, os, json, time, hashlib
-import pathlib, traceback, logging
+import glob
+import pathlib
+import re
+import time
from collections import OrderedDict
-from .exceptions import DiskError
+from typing import Optional
+
from .general import *
+from .hardware import has_uefi
from .output import log
-from .storage import storage
-from .hardware import hasUEFI
ROOT_DIR_PATTERN = re.compile('^.*?/devices')
GPT = 0b00000001
MBR = 0b00000010
-#import ctypes
-#import ctypes.util
-#libc = ctypes.CDLL(ctypes.util.find_library('c'), use_errno=True)
-#libc.mount.argtypes = (ctypes.c_char_p, ctypes.c_char_p, ctypes.c_char_p, ctypes.c_ulong, ctypes.c_char_p)
-class BlockDevice():
+# import ctypes
+# import ctypes.util
+# libc = ctypes.CDLL(ctypes.util.find_library('c'), use_errno=True)
+# libc.mount.argtypes = (ctypes.c_char_p, ctypes.c_char_p, ctypes.c_char_p, ctypes.c_ulong, ctypes.c_char_p)
+
+
+class BlockDevice:
def __init__(self, path, info=None):
if not info:
# If we don't give any information, we need to auto-fill it.
@@ -53,9 +57,9 @@ class BlockDevice():
to give less/partial information for user readability.
"""
return {
- 'path' : self.path,
- 'size' : self.info['size'] if 'size' in self.info else '<unknown>',
- 'model' : self.info['model'] if 'model' in self.info else '<unknown>'
+ 'path': self.path,
+ 'size': self.info['size'] if 'size' in self.info else '<unknown>',
+ 'model': self.info['model'] if 'model' in self.info else '<unknown>'
}
def __dump__(self):
@@ -87,8 +91,9 @@ class BlockDevice():
raise DiskError(f'Could not locate backplane info for "{self.path}"')
if self.info['type'] == 'loop':
- for drive in json.loads(b''.join(sys_command(['losetup', '--json'], hide_from_log=True)).decode('UTF_8'))['loopdevices']:
- if not drive['name'] == self.path: continue
+ for drive in json.loads(b''.join(SysCommand(['losetup', '--json'])).decode('UTF_8'))['loopdevices']:
+ if not drive['name'] == self.path:
+ continue
return drive['back-file']
elif self.info['type'] == 'disk':
@@ -103,21 +108,21 @@ class BlockDevice():
else:
log(f"Unknown blockdevice type for {self.path}: {self.info['type']}", level=logging.DEBUG)
- # if not stat.S_ISBLK(os.stat(full_path).st_mode):
- # raise DiskError(f'Selected disk "{full_path}" is not a block device.')
+ # if not stat.S_ISBLK(os.stat(full_path).st_mode):
+ # raise DiskError(f'Selected disk "{full_path}" is not a block device.')
@property
def partitions(self):
- o = b''.join(sys_command(['partprobe', self.path]))
+ o = b''.join(SysCommand(['partprobe', self.path]))
- #o = b''.join(sys_command('/usr/bin/lsblk -o name -J -b {dev}'.format(dev=dev)))
- o = b''.join(sys_command(['/usr/bin/lsblk', '-J', self.path]))
+ # o = b''.join(sys_command('/usr/bin/lsblk -o name -J -b {dev}'.format(dev=dev)))
+ o = b''.join(SysCommand(['/usr/bin/lsblk', '-J', self.path]))
if b'not a block device' in o:
raise DiskError(f'Can not read partitions off something that isn\'t a block device: {self.path}')
if not o[:1] == b'{':
- raise DiskError(f'Error getting JSON output from:', f'/usr/bin/lsblk -J {self.path}')
+ raise DiskError('Error getting JSON output from:', f'/usr/bin/lsblk -J {self.path}')
r = json.loads(o.decode('UTF-8'))
if len(r['blockdevices']) and 'children' in r['blockdevices'][0]:
@@ -125,7 +130,7 @@ class BlockDevice():
for part in r['blockdevices'][0]['children']:
part_id = part['name'][len(os.path.basename(self.path)):]
if part_id not in self.part_cache:
- ## TODO: Force over-write even if in cache?
+ # TODO: Force over-write even if in cache?
if part_id not in self.part_cache or self.part_cache[part_id].size != part['size']:
self.part_cache[part_id] = Partition(root_path + part_id, self, part_id=part_id, size=part['size'])
@@ -142,13 +147,13 @@ class BlockDevice():
@property
def uuid(self):
- log(f'BlockDevice().uuid is untested!', level=logging.WARNING, fg='yellow')
+ log('BlockDevice().uuid is untested!', level=logging.WARNING, fg='yellow')
"""
Returns the disk UUID as returned by lsblk.
This is more reliable than relying on /dev/disk/by-partuuid as
it doesn't seam to be able to detect md raid partitions.
"""
- lsblk = b''.join(sys_command(f'lsblk -J -o+UUID {self.path}'))
+ lsblk = b''.join(SysCommand(f'lsblk -J -o+UUID {self.path}'))
for partition in json.loads(lsblk.decode('UTF-8'))['blockdevices']:
return partition.get('uuid', None)
@@ -174,8 +179,9 @@ class BlockDevice():
def flush_cache(self):
self.part_cache = OrderedDict()
-class Partition():
- def __init__(self, path :str, block_device :BlockDevice, part_id=None, size=-1, filesystem=None, mountpoint=None, encrypted=False, autodetect_filesystem=True):
+
+class Partition:
+ def __init__(self, path: str, block_device: BlockDevice, part_id=None, size=-1, filesystem=None, mountpoint=None, encrypted=False, autodetect_filesystem=True):
if not part_id:
part_id = os.path.basename(path)
@@ -185,24 +191,24 @@ class Partition():
self.mountpoint = mountpoint
self.target_mountpoint = mountpoint
self.filesystem = filesystem
- self.size = size # TODO: Refresh?
+ self.size = size # TODO: Refresh?
self._encrypted = None
self.encrypted = encrypted
- self.allow_formatting = False # A fail-safe for unconfigured partitions, such as windows NTFS partitions.
+ self.allow_formatting = False # A fail-safe for unconfigured partitions, such as windows NTFS partitions.
if mountpoint:
self.mount(mountpoint)
mount_information = get_mount_info(self.path)
-
+
if self.mountpoint != mount_information.get('target', None) and mountpoint:
raise DiskError(f"{self} was given a mountpoint but the actual mountpoint differs: {mount_information.get('target', None)}")
- if (target := mount_information.get('target', None)):
+ if target := mount_information.get('target', None):
self.mountpoint = target
if not self.filesystem and autodetect_filesystem:
- if (fstype := mount_information.get('fstype', get_filesystem_type(path))):
+ if fstype := mount_information.get('fstype', get_filesystem_type(path)):
self.filesystem = fstype
if self.filesystem == 'crypto_LUKS':
@@ -213,7 +219,7 @@ class Partition():
left_comparitor = left_comparitor.path
else:
left_comparitor = str(left_comparitor)
- return self.path < left_comparitor # Not quite sure the order here is correct. But /dev/nvme0n1p1 comes before /dev/nvme0n1p5 so seems correct.
+ return self.path < left_comparitor # Not quite sure the order here is correct. But /dev/nvme0n1p1 comes before /dev/nvme0n1p5 so seems correct.
def __repr__(self, *args, **kwargs):
mount_repr = ''
@@ -304,22 +310,23 @@ class Partition():
return device['pttype']
@property
- def uuid(self) -> str:
+ def uuid(self) -> Optional[str]:
"""
Returns the PARTUUID as returned by lsblk.
This is more reliable than relying on /dev/disk/by-partuuid as
it doesn't seam to be able to detect md raid partitions.
"""
- lsblk = b''.join(sys_command(f'lsblk -J -o+PARTUUID {self.path}'))
+ lsblk = b''.join(SysCommand(f'lsblk -J -o+PARTUUID {self.path}'))
for partition in json.loads(lsblk.decode('UTF-8'))['blockdevices']:
return partition.get('partuuid', None)
+ return None
@property
def encrypted(self):
return self._encrypted
@encrypted.setter
- def encrypted(self, value :bool):
+ def encrypted(self, value: bool):
self._encrypted = value
@@ -329,10 +336,10 @@ class Partition():
@property
def real_device(self):
- for blockdevice in json.loads(b''.join(sys_command('lsblk -J')).decode('UTF-8'))['blockdevices']:
- if (parent := self.find_parent_of(blockdevice, os.path.basename(self.path))):
+ for blockdevice in json.loads(b''.join(SysCommand('lsblk -J')).decode('UTF-8'))['blockdevices']:
+ if parent := self.find_parent_of(blockdevice, os.path.basename(self.path)):
return f"/dev/{parent}"
- # raise DiskError(f'Could not find appropriate parent for encrypted partition {self}')
+ # raise DiskError(f'Could not find appropriate parent for encrypted partition {self}')
return self.path
def detect_inner_filesystem(self, password):
@@ -348,16 +355,18 @@ class Partition():
def has_content(self):
if not get_filesystem_type(self.path):
return False
-
- temporary_mountpoint = '/tmp/'+hashlib.md5(bytes(f"{time.time()}", 'UTF-8')+os.urandom(12)).hexdigest()
+
+ temporary_mountpoint = '/tmp/' + hashlib.md5(bytes(f"{time.time()}", 'UTF-8') + os.urandom(12)).hexdigest()
temporary_path = pathlib.Path(temporary_mountpoint)
temporary_path.mkdir(parents=True, exist_ok=True)
- if (handle := sys_command(f'/usr/bin/mount {self.path} {temporary_mountpoint}')).exit_code != 0:
+ if (handle := SysCommand(f'/usr/bin/mount {self.path} {temporary_mountpoint}')).exit_code != 0:
raise DiskError(f'Could not mount and check for content on {self.path} because: {b"".join(handle)}')
-
+
files = len(glob.glob(f"{temporary_mountpoint}/*"))
- sys_command(f'/usr/bin/umount {temporary_mountpoint}')
+ iterations = 0
+ while SysCommand(f"/usr/bin/umount -R {temporary_mountpoint}").exit_code != 0 and (iterations := iterations + 1) < 10:
+ time.sleep(1)
temporary_path.rmdir()
@@ -420,36 +429,36 @@ class Partition():
log(f'Formatting {path} -> {filesystem}', level=logging.INFO)
if filesystem == 'btrfs':
- o = b''.join(sys_command(f'/usr/bin/mkfs.btrfs -f {path}'))
+ o = b''.join(SysCommand(f'/usr/bin/mkfs.btrfs -f {path}'))
if b'UUID' not in o:
raise DiskError(f'Could not format {path} with {filesystem} because: {o}')
self.filesystem = 'btrfs'
elif filesystem == 'vfat':
- o = b''.join(sys_command(f'/usr/bin/mkfs.vfat -F32 {path}'))
+ o = b''.join(SysCommand(f'/usr/bin/mkfs.vfat -F32 {path}'))
if (b'mkfs.fat' not in o and b'mkfs.vfat' not in o) or b'command not found' in o:
raise DiskError(f'Could not format {path} with {filesystem} because: {o}')
self.filesystem = 'vfat'
elif filesystem == 'ext4':
- if (handle := sys_command(f'/usr/bin/mkfs.ext4 -F {path}')).exit_code != 0:
+ if (handle := SysCommand(f'/usr/bin/mkfs.ext4 -F {path}')).exit_code != 0:
raise DiskError(f'Could not format {path} with {filesystem} because: {b"".join(handle)}')
self.filesystem = 'ext4'
elif filesystem == 'xfs':
- if (handle := sys_command(f'/usr/bin/mkfs.xfs -f {path}')).exit_code != 0:
+ if (handle := SysCommand(f'/usr/bin/mkfs.xfs -f {path}')).exit_code != 0:
raise DiskError(f'Could not format {path} with {filesystem} because: {b"".join(handle)}')
self.filesystem = 'xfs'
elif filesystem == 'f2fs':
- if (handle := sys_command(f'/usr/bin/mkfs.f2fs -f {path}')).exit_code != 0:
+ if (handle := SysCommand(f'/usr/bin/mkfs.f2fs -f {path}')).exit_code != 0:
raise DiskError(f'Could not format {path} with {filesystem} because: {b"".join(handle)}')
self.filesystem = 'f2fs'
elif filesystem == 'crypto_LUKS':
- # from .luks import luks2
- # encrypted_partition = luks2(self, None, None)
- # encrypted_partition.format(path)
+ # from .luks import luks2
+ # encrypted_partition = luks2(self, None, None)
+ # encrypted_partition.format(path)
self.filesystem = 'crypto_LUKS'
else:
@@ -467,36 +476,40 @@ class Partition():
return parent
elif 'children' in data:
for child in data['children']:
- if (parent := self.find_parent_of(child, name, parent=data['name'])):
+ if parent := self.find_parent_of(child, name, parent=data['name']):
return parent
def mount(self, target, fs=None, options=''):
if not self.mountpoint:
log(f'Mounting {self} to {target}', level=logging.INFO)
if not fs:
- if not self.filesystem: raise DiskError(f'Need to format (or define) the filesystem on {self} before mounting.')
+ if not self.filesystem:
+ raise DiskError(f'Need to format (or define) the filesystem on {self} before mounting.')
fs = self.filesystem
pathlib.Path(target).mkdir(parents=True, exist_ok=True)
try:
- sys_command(f'/usr/bin/mount {self.path} {target}')
+ if options:
+ SysCommand(f'/usr/bin/mount -o {options} {self.path} {target}')
+ else:
+ SysCommand(f'/usr/bin/mount {self.path} {target}')
except SysCallError as err:
raise err
-
+
self.mountpoint = target
return True
def unmount(self):
try:
- exit_code = sys_command(f'/usr/bin/umount {self.path}').exit_code
+ exit_code = SysCommand(f'/usr/bin/umount {self.path}').exit_code
except SysCallError as err:
exit_code = err.exit_code
# Without to much research, it seams that low error codes are errors.
# And above 8k is indicators such as "/dev/x not mounted.".
# So anything in between 0 and 8k are errors (?).
- if exit_code > 0 and exit_code < 8000:
+ if 0 < exit_code < 8000:
raise err
self.mountpoint = None
@@ -509,22 +522,23 @@ class Partition():
"""
The support for a filesystem (this partition) is tested by calling
partition.format() with a path set to '/dev/null' which returns two exceptions:
- 1. SysCallError saying that /dev/null is not formattable - but the filesystem is supported
- 2. UnknownFilesystemFormat that indicates that we don't support the given filesystem type
+ 1. SysCallError saying that /dev/null is not formattable - but the filesystem is supported
+ 2. UnknownFilesystemFormat that indicates that we don't support the given filesystem type
"""
try:
self.format(self.filesystem, '/dev/null', log_formatting=False, allow_formatting=True)
- except SysCallError:
- pass # We supported it, but /dev/null is not formatable as expected so the mkfs call exited with an error code
+ except (SysCallError, DiskError):
+ pass # We supported it, but /dev/null is not formatable as expected so the mkfs call exited with an error code
except UnknownFilesystemFormat as err:
raise err
return True
-class Filesystem():
+
+class Filesystem:
# TODO:
# When instance of a HDD is selected, check all usages and gracefully unmount them
# as well as close any crypto handles.
- def __init__(self, blockdevice,mode):
+ def __init__(self, blockdevice, mode):
self.blockdevice = blockdevice
self.mode = mode
@@ -536,15 +550,15 @@ class Filesystem():
self.blockdevice.flush_cache()
return self
else:
- raise DiskError(f'Problem setting the partition format to GPT:', f'/usr/bin/parted -s {self.blockdevice.device} mklabel gpt')
+ raise DiskError('Problem setting the partition format to GPT:', f'/usr/bin/parted -s {self.blockdevice.device} mklabel gpt')
elif self.mode == MBR:
- if sys_command(f'/usr/bin/parted -s {self.blockdevice.device} mklabel msdos').exit_code == 0:
+ if SysCommand(f'/usr/bin/parted -s {self.blockdevice.device} mklabel msdos').exit_code == 0:
return self
else:
- raise DiskError(f'Problem setting the partition format to GPT:', f'/usr/bin/parted -s {self.blockdevice.device} mklabel msdos')
+ raise DiskError('Problem setting the partition format to GPT:', f'/usr/bin/parted -s {self.blockdevice.device} mklabel msdos')
else:
raise DiskError(f'Unknown mode selected to format in: {self.mode}')
-
+
# TODO: partition_table_type is hardcoded to GPT at the moment. This has to be changed.
elif self.mode == self.blockdevice.partition_table_type:
log(f'Kept partition format {self.mode} for {self.blockdevice}', level=logging.DEBUG)
@@ -560,7 +574,7 @@ class Filesystem():
# TODO: https://stackoverflow.com/questions/28157929/how-to-safely-handle-an-exception-inside-a-context-manager
if len(args) >= 2 and args[1]:
raise args[1]
- b''.join(sys_command(f'sync'))
+ b''.join(SysCommand('sync'))
return True
def find_partition(self, mountpoint):
@@ -568,11 +582,11 @@ class Filesystem():
if partition.target_mountpoint == mountpoint or partition.mountpoint == mountpoint:
return partition
- def raw_parted(self, string:str):
- x = sys_command(f'/usr/bin/parted -s {string}')
+ def raw_parted(self, string: str):
+ x = SysCommand(f'/usr/bin/parted -s {string}')
return x
- def parted(self, string:str):
+ def parted(self, string: str):
"""
Performs a parted execution of the given string
@@ -583,8 +597,8 @@ class Filesystem():
def use_entire_disk(self, root_filesystem_type='ext4'):
log(f"Using and formatting the entire {self.blockdevice}.", level=logging.DEBUG)
- if hasUEFI():
- self.add_partition('primary', start='1MiB', end='513MiB', format='fat32')
+ if has_uefi():
+ self.add_partition('primary', start='1MiB', end='513MiB', partition_format='fat32')
self.set_name(0, 'EFI')
self.set(0, 'boot on')
# TODO: Probably redundant because in GPT mode 'esp on' is an alias for "boot on"?
@@ -602,39 +616,40 @@ class Filesystem():
self.blockdevice.partition[0].allow_formatting = True
self.blockdevice.partition[1].allow_formatting = True
else:
- #we don't need a seprate boot partition it would be a waste of space
+ # we don't need a seprate boot partition it would be a waste of space
self.add_partition('primary', start='1MB', end='100%')
- self.blockdevice.partition[0].filesystem=root_filesystem_type
+ self.blockdevice.partition[0].filesystem = root_filesystem_type
log(f"Set the root partition {self.blockdevice.partition[0]} to use filesystem {root_filesystem_type}.", level=logging.DEBUG)
self.blockdevice.partition[0].target_mountpoint = '/'
self.blockdevice.partition[0].allow_formatting = True
- def add_partition(self, type, start, end, format=None):
+ def add_partition(self, partition_type, start, end, partition_format=None):
log(f'Adding partition to {self.blockdevice}', level=logging.INFO)
-
+
previous_partitions = self.blockdevice.partitions
if self.mode == MBR:
- if len(self.blockdevice.partitions)>3:
+ if len(self.blockdevice.partitions) > 3:
DiskError("Too many partitions on disk, MBR disks can only have 3 parimary partitions")
- if format:
- partitioning = self.parted(f'{self.blockdevice.device} mkpart {type} {format} {start} {end}') == 0
+ if partition_format:
+ partitioning = self.parted(f'{self.blockdevice.device} mkpart {partition_type} {partition_format} {start} {end}') == 0
else:
- partitioning = self.parted(f'{self.blockdevice.device} mkpart {type} {start} {end}') == 0
+ partitioning = self.parted(f'{self.blockdevice.device} mkpart {partition_type} {start} {end}') == 0
if partitioning:
start_wait = time.time()
while previous_partitions == self.blockdevice.partitions:
- time.sleep(0.025) # Let the new partition come up in the kernel
+ time.sleep(0.025) # Let the new partition come up in the kernel
if time.time() - start_wait > 10:
raise DiskError(f"New partition never showed up after adding new partition on {self} (timeout 10 seconds).")
return True
- def set_name(self, partition:int, name:str):
- return self.parted(f'{self.blockdevice.device} name {partition+1} "{name}"') == 0
+ def set_name(self, partition: int, name: str):
+ return self.parted(f'{self.blockdevice.device} name {partition + 1} "{name}"') == 0
+
+ def set(self, partition: int, string: str):
+ return self.parted(f'{self.blockdevice.device} set {partition + 1} {string}') == 0
- def set(self, partition:int, string:str):
- return self.parted(f'{self.blockdevice.device} set {partition+1} {string}') == 0
def device_state(name, *args, **kwargs):
# Based out of: https://askubuntu.com/questions/528690/how-to-get-list-of-all-non-removable-disk-device-names-ssd-hdd-and-sata-ide-onl/528709#528709
@@ -653,28 +668,32 @@ def device_state(name, *args, **kwargs):
return
return True
+
# lsblk --json -l -n -o path
def all_disks(*args, **kwargs):
kwargs.setdefault("partitions", False)
drives = OrderedDict()
- #for drive in json.loads(sys_command(f'losetup --json', *args, **lkwargs, hide_from_log=True)).decode('UTF_8')['loopdevices']:
- for drive in json.loads(b''.join(sys_command(f'lsblk --json -l -n -o path,size,type,mountpoint,label,pkname,model', *args, **kwargs, hide_from_log=True)).decode('UTF_8'))['blockdevices']:
- if not kwargs['partitions'] and drive['type'] == 'part': continue
+ # for drive in json.loads(sys_command(f'losetup --json', *args, **lkwargs, hide_from_log=True)).decode('UTF_8')['loopdevices']:
+ for drive in json.loads(b''.join(SysCommand('lsblk --json -l -n -o path,size,type,mountpoint,label,pkname,model')).decode('UTF_8'))['blockdevices']:
+ if not kwargs['partitions'] and drive['type'] == 'part':
+ continue
drives[drive['path']] = BlockDevice(drive['path'], drive)
return drives
+
def convert_to_gigabytes(string):
unit = string.strip()[-1]
size = float(string.strip()[:-1])
if unit == 'M':
- size = size/1024
+ size = size / 1024
elif unit == 'T':
- size = size*1024
+ size = size * 1024
return size
+
def harddrive(size=None, model=None, fuzzy=False):
collection = all_disks()
for drive in collection:
@@ -685,13 +704,18 @@ def harddrive(size=None, model=None, fuzzy=False):
return collection[drive]
-def get_mount_info(path):
+
+def get_mount_info(path) -> dict:
try:
- output = b''.join(sys_command(f'/usr/bin/findmnt --json {path}'))
+ output = SysCommand(f'/usr/bin/findmnt --json {path}')
except SysCallError:
return {}
output = output.decode('UTF-8')
+
+ if not output:
+ return {}
+
output = json.loads(output)
if 'filesystems' in output:
if len(output['filesystems']) > 1:
@@ -699,15 +723,20 @@ def get_mount_info(path):
return output['filesystems'][0]
-def get_partitions_in_use(mountpoint):
+
+def get_partitions_in_use(mountpoint) -> list:
try:
- output = b''.join(sys_command(f'/usr/bin/findmnt --json -R {mountpoint}'))
+ output = SysCommand(f'/usr/bin/findmnt --json -R {mountpoint}')
except SysCallError:
- return {}
+ return []
mounts = []
output = output.decode('UTF-8')
+
+ if not output:
+ return []
+
output = json.loads(output)
for target in output.get('filesystems', []):
mounts.append(Partition(target['source'], None, filesystem=target.get('fstype', None), mountpoint=target['target']))
@@ -717,21 +746,24 @@ def get_partitions_in_use(mountpoint):
return mounts
+
def get_filesystem_type(path):
try:
- handle = sys_command(f"blkid -o value -s TYPE {path}")
+ handle = SysCommand(f"blkid -o value -s TYPE {path}")
return b''.join(handle).strip().decode('UTF-8')
except SysCallError:
return None
+
def disk_layouts():
try:
- handle = sys_command(f"lsblk -f -o+TYPE,SIZE -J")
+ handle = SysCommand("lsblk -f -o+TYPE,SIZE -J")
return json.loads(b''.join(handle).decode('UTF-8'))
except SysCallError as err:
log(f"Could not return disk layouts: {err}")
return None
+
def encrypted_partitions(blockdevices :dict) -> bool:
for partition in blockdevices.values():
if partition.get('encrypted', False):