index : archinstall32 | |
Archlinux32 installer | gitolite user |
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-rw-r--r-- | archinstall/lib/disk.py | 118 |
diff --git a/archinstall/lib/disk.py b/archinstall/lib/disk.py index 8f67111a..ac59600d 100644 --- a/archinstall/lib/disk.py +++ b/archinstall/lib/disk.py @@ -31,10 +31,10 @@ class BlockDevice: self.info = info self.keep_partitions = True self.part_cache = OrderedDict() + # TODO: Currently disk encryption is a BIT misleading. # It's actually partition-encryption, but for future-proofing this # I'm placing the encryption password on a BlockDevice level. - self.encryption_password = None def __repr__(self, *args, **kwargs): return f"BlockDevice({self.device})" @@ -48,6 +48,9 @@ class BlockDevice: raise KeyError(f'{self} does not contain information: "{key}"') return self.info[key] + def __len__(self): + return len(self.partitions) + def json(self): """ json() has precedence over __dump__, so this is a way @@ -61,12 +64,22 @@ class BlockDevice: def __dump__(self): return { - 'path': self.path, - 'info': self.info, - 'partition_cache': self.part_cache + self.path : { + 'partuuid' : self.uuid, + 'wipe' : self.info.get('wipe', None), + 'partitions' : [part.__dump__() for part in self.partitions.values()] + } } @property + def partition_type(self): + output = b"".join(sys_command(f"lsblk --json -o+PTTYPE {self.path}")) + output = json.loads(output.decode('UTF-8')) + + for device in output['blockdevices']: + return device['pttype'] + + @property def device(self): """ Returns the actual device-endpoint of the BlockDevice. @@ -144,6 +157,16 @@ class BlockDevice: for partition in json.loads(lsblk.decode('UTF-8'))['blockdevices']: return partition.get('uuid', None) + @property + def size(self): + output = b"".join(sys_command(f"lsblk --json -o+SIZE {self.path}")) + output = json.loads(output.decode('UTF-8')) + + for device in output['blockdevices']: + assert device['size'][-1] == 'G' # Make sure we're counting in Gigabytes, otherwise the next logic fails. + + return float(device['size'][:-1]) + def has_partitions(self): return len(self.partitions) @@ -210,6 +233,82 @@ class Partition: else: return f'Partition(path={self.path}, size={self.size}, fs={self.filesystem}{mount_repr})' + def __dump__(self): + return { + 'type' : 'primary', + 'PARTUUID' : self.uuid, + 'wipe' : self.allow_formatting, + 'boot' : self.boot, + 'ESP' : self.boot, + 'mountpoint' : self.target_mountpoint, + 'encrypted' : self._encrypted, + 'start' : self.start, + 'size' : self.end, + 'filesystem' : { + 'format' : get_filesystem_type(self.path) + } + } + + @property + def sector_size(self): + output = b"".join(sys_command(f"lsblk --json -o+LOG-SEC {self.path}")) + output = json.loads(output.decode('UTF-8')) + + for device in output['blockdevices']: + return device.get('log-sec', None) + + @property + def start(self): + output = b"".join(sys_command(f"sfdisk --json {self.block_device.path}")) + output = json.loads(output.decode('UTF-8')) + + for partition in output.get('partitiontable', {}).get('partitions', []): + if partition['node'] == self.path: + return partition['start']# * self.sector_size + + @property + def end(self): + # TODO: Verify that the logic holds up, that 'size' is the size without 'start' added to it. + output = b"".join(sys_command(f"sfdisk --json {self.block_device.path}")) + output = json.loads(output.decode('UTF-8')) + + for partition in output.get('partitiontable', {}).get('partitions', []): + if partition['node'] == self.path: + return partition['size']# * self.sector_size + + @property + def boot(self): + output = b"".join(sys_command(f"sfdisk --json {self.block_device.path}")) + output = json.loads(output.decode('UTF-8')) + + # Get the bootable flag from the sfdisk output: + # { + # "partitiontable": { + # "label":"dos", + # "id":"0xd202c10a", + # "device":"/dev/loop0", + # "unit":"sectors", + # "sectorsize":512, + # "partitions": [ + # {"node":"/dev/loop0p1", "start":2048, "size":10483712, "type":"83", "bootable":true} + # ] + # } + # } + + for partition in output.get('partitiontable', {}).get('partitions', []): + if partition['node'] == self.path: + return partition.get('bootable', False) + + return False + + @property + def partition_type(self): + output = b"".join(sys_command(f"lsblk --json -o+PTTYPE {self.path}")) + output = json.loads(output.decode('UTF-8')) + + for device in output['blockdevices']: + return device['pttype'] + @property def uuid(self) -> Optional[str]: """ @@ -663,3 +762,14 @@ def disk_layouts(): 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): + yield partition + +def find_partition_by_mountpoint(partitions, relative_mountpoint :str): + for partition in partitions: + if partition.get('mountpoint', None) == relative_mountpoint: + return partition
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