mirror of
https://github.com/psy0rz/zfs_autobackup.git
synced 2025-04-17 22:52:20 +03:00
greatly improved output of help (divided into sections)
This commit is contained in:
Edwin Eefting
parent
d114f63f29
commit
8baee52ab1
@ -22,7 +22,7 @@ class ZfsAuto(object):
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self.args = self.parse_args(argv)
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def parse_args(self, argv):
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"""parse arguments, setup logging, check and adjust parameters"""
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"""parse common arguments, setup logging, check and adjust parameters"""
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parser=self.get_parser()
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args = parser.parse_args(argv)
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@ -83,85 +83,15 @@ class ZfsAuto(object):
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parser = argparse.ArgumentParser(description=self.HEADER,
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epilog='Full manual at: https://github.com/psy0rz/zfs_autobackup')
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parser.add_argument('--ssh-config', metavar='CONFIG-FILE', default=None, help='Custom ssh client config')
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parser.add_argument('--ssh-source', metavar='USER@HOST', default=None,
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help='Source host to get backup from.')
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parser.add_argument('--ssh-target', metavar='USER@HOST', default=None,
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help='Target host to push backup to.')
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parser.add_argument('--keep-source', metavar='SCHEDULE', type=str, default="10,1d1w,1w1m,1m1y",
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help='Thinning schedule for old source snapshots. Default: %(default)s')
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parser.add_argument('--keep-target', metavar='SCHEDULE', type=str, default="10,1d1w,1w1m,1m1y",
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help='Thinning schedule for old target snapshots. Default: %(default)s')
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#positional arguments
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parser.add_argument('backup_name', metavar='BACKUP-NAME', default=None, nargs='?',
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help='Name of the backup (you should set the zfs property "autobackup:backup-name" to '
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'true on filesystems you want to backup')
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help='Name of the backup to select')
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parser.add_argument('target_path', metavar='TARGET-PATH', default=None, nargs='?',
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help='Target ZFS filesystem (optional: if not specified, zfs-autobackup will only operate '
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'as snapshot-tool on source)')
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parser.add_argument('--pre-snapshot-cmd', metavar="COMMAND", default=[], action='append',
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help='Run COMMAND before snapshotting (can be used multiple times.')
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parser.add_argument('--post-snapshot-cmd', metavar="COMMAND", default=[], action='append',
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help='Run COMMAND after snapshotting (can be used multiple times.')
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parser.add_argument('--other-snapshots', action='store_true',
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help='Send over other snapshots as well, not just the ones created by this tool.')
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parser.add_argument('--no-snapshot', action='store_true',
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help='Don\'t create new snapshots (useful for finishing uncompleted backups, or cleanups)')
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parser.add_argument('--no-send', action='store_true',
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help='Don\'t send snapshots (useful for cleanups, or if you want a serperate send-cronjob)')
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parser.add_argument('--no-thinning', action='store_true', help="Do not destroy any snapshots.")
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parser.add_argument('--no-holds', action='store_true',
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help='Don\'t hold snapshots. (Faster. Allows you to destroy common snapshot.)')
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parser.add_argument('--min-change', metavar='BYTES', type=int, default=1,
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help='Number of bytes written after which we consider a dataset changed (default %('
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'default)s)')
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parser.add_argument('--allow-empty', action='store_true',
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help='If nothing has changed, still create empty snapshots. (same as --min-change=0)')
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parser.add_argument('--ignore-replicated', action='store_true', help=argparse.SUPPRESS)
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parser.add_argument('--exclude-unchanged', action='store_true',
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help='Exclude datasets that have no changes since any last snapshot. (Useful in combination with proxmox HA replication)')
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parser.add_argument('--exclude-received', action='store_true',
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help='Exclude datasets that have the origin of their autobackup: property as "received". '
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'This can avoid recursive replication between two backup partners.')
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parser.add_argument('--strip-path', metavar='N', default=0, type=int,
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help='Number of directories to strip from target path (use 1 when cloning zones between 2 '
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'SmartOS machines)')
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parser.add_argument('--clear-refreservation', action='store_true',
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help='Filter "refreservation" property. (recommended, safes space. same as '
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'--filter-properties refreservation)')
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parser.add_argument('--clear-mountpoint', action='store_true',
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help='Set property canmount=noauto for new datasets. (recommended, prevents mount '
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'conflicts. same as --set-properties canmount=noauto)')
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parser.add_argument('--filter-properties', metavar='PROPERTY,...', type=str,
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help='List of properties to "filter" when receiving filesystems. (you can still restore '
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'them with zfs inherit -S)')
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parser.add_argument('--set-properties', metavar='PROPERTY=VALUE,...', type=str,
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help='List of propererties to override when receiving filesystems. (you can still restore '
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'them with zfs inherit -S)')
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parser.add_argument('--rollback', action='store_true',
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help='Rollback changes to the latest target snapshot before starting. (normally you can '
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'prevent changes by setting the readonly property on the target_path to on)')
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parser.add_argument('--destroy-incompatible', action='store_true',
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help='Destroy incompatible snapshots on target. Use with care! (implies --rollback)')
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parser.add_argument('--destroy-missing', metavar="SCHEDULE", type=str, default=None,
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help='Destroy datasets on target that are missing on the source. Specify the time since '
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'the last snapshot, e.g: --destroy-missing 30d')
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parser.add_argument('--ignore-transfer-errors', action='store_true',
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help='Ignore transfer errors (still checks if received filesystem exists. useful for '
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'acltype errors)')
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parser.add_argument('--decrypt', action='store_true',
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help='Decrypt data before sending it over.')
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parser.add_argument('--encrypt', action='store_true',
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help='Encrypt data after receiving it.')
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parser.add_argument('--zfs-compressed', action='store_true',
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help='Transfer blocks that already have zfs-compression as-is.')
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help='Target ZFS filesystem (optional)')
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# Basic options
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parser.add_argument('--test', '--dry-run', '-n', action='store_true',
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help='Dry run, dont change anything, just show what would be done (still does all read-only '
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'operations)')
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@ -174,34 +104,20 @@ class ZfsAuto(object):
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help='show zfs progress output. Enabled automaticly on ttys. (use --no-progress to disable)')
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parser.add_argument('--no-progress', action='store_true',
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help=argparse.SUPPRESS) # needed to workaround a zfs recv -v bug
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parser.add_argument('--resume', action='store_true', help=argparse.SUPPRESS)
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parser.add_argument('--raw', action='store_true', help=argparse.SUPPRESS)
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# these things all do stuff by piping zfs send/recv IO
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parser.add_argument('--send-pipe', metavar="COMMAND", default=[], action='append',
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help='pipe zfs send output through COMMAND (can be used multiple times)')
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parser.add_argument('--recv-pipe', metavar="COMMAND", default=[], action='append',
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help='pipe zfs recv input through COMMAND (can be used multiple times)')
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parser.add_argument('--compress', metavar='TYPE', default=None, nargs='?', const='zstd-fast',
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choices=compressors.choices(),
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help='Use compression during transfer, defaults to zstd-fast if TYPE is not specified. ({})'.format(
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", ".join(compressors.choices())))
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parser.add_argument('--rate', metavar='DATARATE', default=None,
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help='Limit data transfer rate (e.g. 128K. requires mbuffer.)')
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parser.add_argument('--buffer', metavar='SIZE', default=None,
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help='Add zfs send and recv buffers to smooth out IO bursts. (e.g. 128M. requires mbuffer)')
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parser.add_argument('--snapshot-format', metavar='FORMAT', default="{}-%Y%m%d%H%M%S",
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help='Snapshot naming format. Default: %(default)s')
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parser.add_argument('--property-format', metavar='FORMAT', default="autobackup:{}",
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help='Select property naming format. Default: %(default)s')
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parser.add_argument('--hold-format', metavar='FORMAT', default="zfs_autobackup:{}",
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help='Hold naming format. Default: %(default)s')
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parser.add_argument('--version', action='store_true',
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help='Show version.')
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# SSH options
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group=parser.add_argument_group("SSH options")
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group.add_argument('--ssh-config', metavar='CONFIG-FILE', default=None, help='Custom ssh client config')
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group.add_argument('--ssh-source', metavar='USER@HOST', default=None,
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help='Source host to get backup from.')
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group.add_argument('--ssh-target', metavar='USER@HOST', default=None,
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help='Target host to push backup to.')
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return (parser)
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def verbose(self, txt):
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@ -1,5 +1,6 @@
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import time
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import argparse
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from .ZfsAuto import ZfsAuto
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from . import compressors
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@ -18,6 +19,115 @@ class ZfsAutobackup(ZfsAuto):
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super(ZfsAutobackup, self).__init__(argv, print_arguments)
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def get_parser(self):
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"""extend common parser with extra stuff needed for zfs-autobackup"""
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parser=super(ZfsAutobackup, self).get_parser()
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group=parser.add_argument_group("Selection options")
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group.add_argument('--ignore-replicated', action='store_true', help=argparse.SUPPRESS)
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group.add_argument('--exclude-unchanged', action='store_true',
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help='Exclude datasets that have no changes since any last snapshot. (Useful in combination with proxmox HA replication)')
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group.add_argument('--exclude-received', action='store_true',
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help='Exclude datasets that have the origin of their autobackup: property as "received". '
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'This can avoid recursive replication between two backup partners.')
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group.add_argument('--property-format', metavar='FORMAT', default="autobackup:{}",
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help='Dataset selection string format. Default: %(default)s')
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group=parser.add_argument_group("Snapshot options")
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group.add_argument('--no-snapshot', action='store_true',
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help='Don\'t create new snapshots (useful for finishing uncompleted backups, or cleanups)')
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group.add_argument('--pre-snapshot-cmd', metavar="COMMAND", default=[], action='append',
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help='Run COMMAND before snapshotting (can be used multiple times.')
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group.add_argument('--post-snapshot-cmd', metavar="COMMAND", default=[], action='append',
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help='Run COMMAND after snapshotting (can be used multiple times.')
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group.add_argument('--other-snapshots', action='store_true',
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help='Send over other snapshots as well, not just the ones created by this tool.')
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group.add_argument('--min-change', metavar='BYTES', type=int, default=1,
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help='Number of bytes written after which we consider a dataset changed (default %('
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'default)s)')
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group.add_argument('--allow-empty', action='store_true',
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help='If nothing has changed, still create empty snapshots. (Faster. Same as --min-change=0)')
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group.add_argument('--snapshot-format', metavar='FORMAT', default="{}-%Y%m%d%H%M%S",
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help='ZFS Snapshot string format. Default: %(default)s')
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group=parser.add_argument_group("Transfer options")
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group.add_argument('--no-send', action='store_true',
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help='Don\'t transfer snapshots (useful for cleanups, or if you want a serperate send-cronjob)')
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group.add_argument('--no-holds', action='store_true',
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help='Don\'t hold snapshots. (Faster. Allows you to destroy common snapshot.)')
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group.add_argument('--strip-path', metavar='N', default=0, type=int,
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help='Number of directories to strip from target path (use 1 when cloning zones between 2 '
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'SmartOS machines)')
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group.add_argument('--clear-refreservation', action='store_true',
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help='Filter "refreservation" property. (recommended, safes space. same as '
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'--filter-properties refreservation)')
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group.add_argument('--clear-mountpoint', action='store_true',
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help='Set property canmount=noauto for new datasets. (recommended, prevents mount '
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'conflicts. same as --set-properties canmount=noauto)')
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group.add_argument('--filter-properties', metavar='PROPERTY,...', type=str,
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help='List of properties to "filter" when receiving filesystems. (you can still restore '
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'them with zfs inherit -S)')
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group.add_argument('--set-properties', metavar='PROPERTY=VALUE,...', type=str,
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help='List of propererties to override when receiving filesystems. (you can still restore '
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'them with zfs inherit -S)')
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group.add_argument('--rollback', action='store_true',
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help='Rollback changes to the latest target snapshot before starting. (normally you can '
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'prevent changes by setting the readonly property on the target_path to on)')
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group.add_argument('--destroy-incompatible', action='store_true',
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help='Destroy incompatible snapshots on target. Use with care! (implies --rollback)')
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group.add_argument('--ignore-transfer-errors', action='store_true',
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help='Ignore transfer errors (still checks if received filesystem exists. useful for '
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'acltype errors)')
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group.add_argument('--decrypt', action='store_true',
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help='Decrypt data before sending it over.')
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group.add_argument('--encrypt', action='store_true',
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help='Encrypt data after receiving it.')
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group.add_argument('--zfs-compressed', action='store_true',
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help='Transfer blocks that already have zfs-compression as-is.')
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group.add_argument('--hold-format', metavar='FORMAT', default="zfs_autobackup:{}",
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help='ZFS hold string format. Default: %(default)s')
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group=parser.add_argument_group("ZFS send/recv pipes")
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group.add_argument('--compress', metavar='TYPE', default=None, nargs='?', const='zstd-fast',
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choices=compressors.choices(),
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help='Use compression during transfer, defaults to zstd-fast if TYPE is not specified. ({})'.format(
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", ".join(compressors.choices())))
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group.add_argument('--rate', metavar='DATARATE', default=None,
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help='Limit data transfer rate (e.g. 128K. requires mbuffer.)')
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group.add_argument('--buffer', metavar='SIZE', default=None,
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help='Add zfs send and recv buffers to smooth out IO bursts. (e.g. 128M. requires mbuffer)')
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group.add_argument('--send-pipe', metavar="COMMAND", default=[], action='append',
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help='pipe zfs send output through COMMAND (can be used multiple times)')
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group.add_argument('--recv-pipe', metavar="COMMAND", default=[], action='append',
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help='pipe zfs recv input through COMMAND (can be used multiple times)')
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group=parser.add_argument_group("Thinner options")
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group.add_argument('--no-thinning', action='store_true', help="Do not destroy any snapshots.")
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group.add_argument('--keep-source', metavar='SCHEDULE', type=str, default="10,1d1w,1w1m,1m1y",
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help='Thinning schedule for old source snapshots. Default: %(default)s')
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group.add_argument('--keep-target', metavar='SCHEDULE', type=str, default="10,1d1w,1w1m,1m1y",
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help='Thinning schedule for old target snapshots. Default: %(default)s')
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group.add_argument('--destroy-missing', metavar="SCHEDULE", type=str, default=None,
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help='Destroy datasets on target that are missing on the source. Specify the time since '
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'the last snapshot, e.g: --destroy-missing 30d')
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#obsolete
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parser.add_argument('--resume', action='store_true', help=argparse.SUPPRESS)
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parser.add_argument('--raw', action='store_true', help=argparse.SUPPRESS)
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return (parser)
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def progress(self, txt):
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self.log.progress(txt)
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@ -55,6 +55,7 @@ class ZfsNode(ExecuteNode):
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ExecuteNode.__init__(self, ssh_config=ssh_config, ssh_to=ssh_to, readonly=readonly, debug_output=debug_output)
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def thin(self, objects, keep_objects):
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# NOTE: if thinning is disabled with --no-thinning, self.__thinner will be none.
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if self.__thinner is not None:
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return self.__thinner.thin(objects, keep_objects)
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else:
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