diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/op_mode/format_disk.py | 67 |
1 files changed, 28 insertions, 39 deletions
diff --git a/src/op_mode/format_disk.py b/src/op_mode/format_disk.py index df4486bce..b68948e40 100755 --- a/src/op_mode/format_disk.py +++ b/src/op_mode/format_disk.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019 VyOS maintainers and contributors +# Copyright (C) 2019-2021 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -17,11 +17,10 @@ import argparse import os import re -import sys + from datetime import datetime -from time import sleep -from vyos.util import is_admin, ask_yes_no +from vyos.util import ask_yes_no from vyos.util import call from vyos.util import cmd from vyos.util import DEVNULL @@ -38,7 +37,7 @@ def list_disks(): def is_busy(disk: str): """Check if given disk device is busy by re-reading it's partition table""" - return call(f'sudo blockdev --rereadpt /dev/{disk}', stderr=DEVNULL) != 0 + return call(f'blockdev --rereadpt /dev/{disk}', stderr=DEVNULL) != 0 def backup_partitions(disk: str): @@ -65,11 +64,11 @@ def list_partitions(disk: str): def delete_partition(disk: str, partition_idx: int): - cmd(f'sudo /sbin/parted /dev/{disk} rm {partition_idx}') + cmd(f'parted /dev/{disk} rm {partition_idx}') def format_disk_like(target: str, proto: str): - cmd(f'sudo /sbin/sfdisk -d /dev/{proto} | sudo /sbin/sfdisk --force /dev/{target}') + cmd(f'sfdisk -d /dev/{proto} | sfdisk --force /dev/{target}') if __name__ == '__main__': @@ -79,10 +78,6 @@ if __name__ == '__main__': group.add_argument('-p', '--proto', type=str, required=True, help='Prototype device to use as reference') args = parser.parse_args() - if not is_admin(): - print('Must be admin or root to format disk') - sys.exit(1) - target_disk = args.target eligible_target_disks = list_disks() @@ -90,54 +85,48 @@ if __name__ == '__main__': eligible_proto_disks = eligible_target_disks.copy() eligible_proto_disks.remove(target_disk) - fmt = { - 'target_disk': target_disk, - 'proto_disk': proto_disk, - } - if proto_disk == target_disk: print('The two disk drives must be different.') - sys.exit(1) + exit(1) - if not os.path.exists('/dev/' + proto_disk): - print('Device /dev/{proto_disk} does not exist'.format_map(fmt)) - sys.exit(1) + if not os.path.exists(f'/dev/{proto_disk}'): + print(f'Device /dev/{proto_disk} does not exist') + exit(1) if not os.path.exists('/dev/' + target_disk): - print('Device /dev/{target_disk} does not exist'.format_map(fmt)) - sys.exit(1) + print(f'Device /dev/{target_disk} does not exist') + exit(1) if target_disk not in eligible_target_disks: - print('Device {target_disk} can not be formatted'.format_map(fmt)) - sys.exit(1) + print(f'Device {target_disk} can not be formatted') + exit(1) if proto_disk not in eligible_proto_disks: - print('Device {proto_disk} can not be used as a prototype for {target_disk}'.format_map(fmt)) - sys.exit(1) + print(f'Device {proto_disk} can not be used as a prototype for {target_disk}') + exit(1) if is_busy(target_disk): - print("Disk device {target_disk} is busy. Can't format it now".format_map(fmt)) - sys.exit(1) + print(f'Disk device {target_disk} is busy, unable to format') + exit(1) - print('This will re-format disk {target_disk} so that it has the same disk\n' - 'partion sizes and offsets as {proto_disk}. This will not copy\n' - 'data from {proto_disk} to {target_disk}. But this will erase all\n' - 'data on {target_disk}.\n'.format_map(fmt)) + print(f'\nThis will re-format disk {target_disk} so that it has the same disk' + f'\npartion sizes and offsets as {proto_disk}. This will not copy' + f'\ndata from {proto_disk} to {target_disk}. But this will erase all' + f'\ndata on {target_disk}.\n') - if not ask_yes_no("Do you wish to proceed?"): - print('OK. Disk drive {target_disk} will not be re-formated'.format_map(fmt)) - sys.exit(0) + if not ask_yes_no('Do you wish to proceed?'): + print(f'Disk drive {target_disk} will not be re-formated') + exit(0) - print('OK. Re-formating disk drive {target_disk}...'.format_map(fmt)) + print(f'Re-formating disk drive {target_disk}...') print('Making backup copy of partitions...') backup_partitions(target_disk) - sleep(1) print('Deleting old partitions...') for p in list_partitions(target_disk): delete_partition(disk=target_disk, partition_idx=p) - print('Creating new partitions on {target_disk} based on {proto_disk}...'.format_map(fmt)) + print(f'Creating new partitions on {target_disk} based on {proto_disk}...') format_disk_like(target=target_disk, proto=proto_disk) - print('Done.') + print('Done!') |