patrick/zfs_autobackup
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added some common short options and changes to fix #88

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This commit is contained in:
Edwin Eefting
2021-09-20 15:11:23 +02:00
parent 59f7ccc352
commit 46457b3aca
1 changed files with 17 additions and 5 deletions
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22
zfs_autobackup/ZfsAutobackup.py
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@ -36,10 +36,10 @@ class ZfsAutobackup:
parser.add_argument('--keep-target', metavar='SCHEDULE', type=str, default="10,1d1w,1w1m,1m1y",
help='Thinning schedule for old target snapshots. Default: %(default)s')
parser.add_argument('backup_name', metavar='backup-name',
parser.add_argument('backup_name', metavar='BACKUP-NAME', default=None, nargs='?',
help='Name of the backup (you should set the zfs property "autobackup:backup-name" to '
'true on filesystems you want to backup')
parser.add_argument('target_path', metavar='target-path', default=None, nargs='?',
parser.add_argument('target_path', metavar='TARGET-PATH', default=None, nargs='?',
help='Target ZFS filesystem (optional: if not specified, zfs-autobackup will only operate '
'as snapshot-tool on source)')
@ -105,11 +105,11 @@ class ZfsAutobackup:
parser.add_argument('--zfs-compressed', action='store_true',
help='Transfer blocks that already have zfs-compression as-is.')
parser.add_argument('--test', action='store_true',
parser.add_argument('--test','--dry-run', '-n', action='store_true',
help='dont change anything, just show what would be done (still does all read-only '
'operations)')
parser.add_argument('--verbose', action='store_true', help='verbose output')
parser.add_argument('--debug', action='store_true',
parser.add_argument('--verbose','-v', action='store_true', help='verbose output')
parser.add_argument('--debug','-d', action='store_true',
help='Show zfs commands that are executed, stops after an exception.')
parser.add_argument('--debug-output', action='store_true',
help='Show zfs commands and their output/exit codes. (noisy)')
@ -135,11 +135,18 @@ class ZfsAutobackup:
parser.add_argument('--buffer', metavar='SIZE', default=None,
help='Add zfs send and recv buffers to smooth out IO bursts. (e.g. 128M. requires mbuffer)')
parser.add_argument('--version', action='store_true',
help='Show version.')
# note args is the only global variable we use, since its a global readonly setting anyway
args = parser.parse_args(argv)
self.args = args
if args.version:
print(self.HEADER)
sys.exit(255)
# auto enable progress?
if sys.stderr.isatty() and not args.no_progress:
args.progress = True
@ -159,6 +166,11 @@ class ZfsAutobackup:
self.log = LogConsole(show_debug=self.args.debug, show_verbose=self.args.verbose, color=sys.stdout.isatty())
self.verbose(self.HEADER)
if args.backup_name==None:
parser.print_usage()
self.log.error("Please specify BACKUP-NAME")
sys.exit(255)
if args.resume:
self.warning("The --resume option isn't needed anymore (its autodetected now)")