forked from third-party-mirrors/zfs_autobackup
extract common stuff to prepare for zfs-autoverify
This commit is contained in:
Edwin Eefting
parent
b36b64cc94
commit
d114f63f29
@ -1,4 +1,4 @@
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import zfs_autobackup.LogConsole
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from zfs_autobackup.LogConsole import LogConsole
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from basetest import *
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@ -8,7 +8,7 @@ class TestLog(unittest2.TestCase):
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"""test with color output"""
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with OutputIO() as buf:
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with redirect_stdout(buf):
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l=LogConsole(show_verbose=False, show_debug=False, color=True)
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l= LogConsole(show_verbose=False, show_debug=False, color=True)
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l.verbose("verbose")
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l.debug("debug")
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@ -46,7 +46,7 @@ class TestLog(unittest2.TestCase):
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self.assertEqual(list(buf.getvalue()), [' ', ' ', 'v', 'e', 'r', 'b', 'o', 's', 'e', '\n', '#', ' ', 'd', 'e', 'b', 'u', 'g', '\n', '!', ' ', 'e', 'r', 'r', 'o', 'r', '\n'])
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zfs_autobackup.LogConsole.colorama=False
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# zfs_autobackup.LogConsole.colorama=False
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@ -3,6 +3,8 @@ from zfs_autobackup.CmdPipe import CmdPipe
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from basetest import *
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import time
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from zfs_autobackup.LogConsole import LogConsole
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class TestZfsAutobackup(unittest2.TestCase):
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@ -418,6 +420,33 @@ test_target1/fs2/sub
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test_target1/fs2/sub@test-20101111000000
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""")
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# def test_strippath_toomuch(self):
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# with patch('time.strftime', return_value="test-20101111000000"):
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# self.assertFalse(
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# ZfsAutobackup("test test_target1 --verbose --strip-path=2 --no-progress".split(" ")).run())
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#
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# r = shelltest("zfs list -H -o name -r -t all " + TEST_POOLS)
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# self.assertMultiLineEqual(r, """
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# test_source1
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# test_source1/fs1
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# test_source1/fs1@test-20101111000000
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# test_source1/fs1/sub
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# test_source1/fs1/sub@test-20101111000000
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# test_source2
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# test_source2/fs2
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# test_source2/fs2/sub
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# test_source2/fs2/sub@test-20101111000000
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# test_source2/fs3
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# test_source2/fs3/sub
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# test_target1
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# test_target1/fs1
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# test_target1/fs1@test-20101111000000
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# test_target1/fs1/sub
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# test_target1/fs1/sub@test-20101111000000
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# test_target1/fs2
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# test_target1/fs2/sub
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# test_target1/fs2/sub@test-20101111000000
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# """)
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def test_clearrefres(self):
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221
zfs_autobackup/ZfsAuto.py
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221
zfs_autobackup/ZfsAuto.py
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@ -0,0 +1,221 @@
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import argparse
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import os.path
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import sys
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from .LogConsole import LogConsole
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from . import compressors
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class ZfsAuto(object):
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"""Common Base class for zfs-auto... tools """
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# also used by setup.py
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VERSION = "3.2-dev1"
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HEADER = "{} v{} - (c)2021 E.H.Eefting (edwin@datux.nl)".format(os.path.basename(sys.argv[0]), VERSION)
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def __init__(self, argv, print_arguments=True):
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# helps with investigating failed regression tests:
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if print_arguments:
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print("ARGUMENTS: " + " ".join(argv))
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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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parser=self.get_parser()
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args = parser.parse_args(argv)
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if args.version:
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print(self.HEADER)
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sys.exit(255)
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# auto enable progress?
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if sys.stderr.isatty() and not args.no_progress:
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args.progress = True
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if args.debug_output:
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args.debug = True
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if args.test:
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args.verbose = True
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if args.allow_empty:
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args.min_change = 0
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if args.destroy_incompatible:
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args.rollback = True
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self.log = LogConsole(show_debug=args.debug, show_verbose=args.verbose, color=sys.stdout.isatty())
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self.verbose(self.HEADER)
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if args.backup_name == None:
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self.__parser.print_usage()
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self.log.error("Please specify BACKUP-NAME")
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sys.exit(255)
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if args.resume:
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self.warning("The --resume option isn't needed anymore (its autodetected now)")
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if args.raw:
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self.warning(
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"The --raw option isn't needed anymore (its autodetected now). Also see --encrypt and --decrypt.")
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if args.target_path is not None and args.target_path[0] == "/":
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self.log.error("Target should not start with a /")
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sys.exit(255)
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if args.compress and args.ssh_source is None and args.ssh_target is None:
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self.warning("Using compression, but transfer is local.")
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if args.compress and args.zfs_compressed:
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self.warning("Using --compress with --zfs-compressed, might be inefficient.")
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if args.ignore_replicated:
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self.warning("--ignore-replicated has been renamed, using --exclude-unchanged")
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args.exclude_unchanged = True
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return args
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def get_parser(self):
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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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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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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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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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parser.add_argument('--verbose', '-v', action='store_true', help='verbose output')
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parser.add_argument('--debug', '-d', action='store_true',
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help='Show zfs commands that are executed, stops after an exception.')
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parser.add_argument('--debug-output', action='store_true',
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help='Show zfs commands and their output/exit codes. (noisy)')
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parser.add_argument('--progress', action='store_true',
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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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return (parser)
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def verbose(self, txt):
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self.log.verbose(txt)
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def warning(self, txt):
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self.log.warning(txt)
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def error(self, txt):
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self.log.error(txt)
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def debug(self, txt):
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self.log.debug(txt)
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def set_title(self, title):
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self.log.verbose("")
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self.log.verbose("#### " + title)
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@ -1,219 +1,22 @@
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import argparse
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import sys
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import time
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from .ZfsAuto import ZfsAuto
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from . import compressors
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from .ExecuteNode import ExecuteNode
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from .Thinner import Thinner
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from .ZfsDataset import ZfsDataset
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from .LogConsole import LogConsole
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from .ZfsNode import ZfsNode
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from .ThinnerRule import ThinnerRule
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class ZfsAutobackup:
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"""main class"""
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class ZfsAutobackup(ZfsAuto):
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"""The main zfs-autobackup class. Start here, at run() :)"""
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VERSION = "3.1.1"
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HEADER = "zfs-autobackup v{} - (c)2021 E.H.Eefting (edwin@datux.nl)".format(VERSION)
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def __init__(self, argv, print_arguments=True):
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super(ZfsAutobackup, self).__init__(argv, print_arguments)
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# helps with investigating failed regression tests:
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if print_arguments:
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print("ARGUMENTS: " + " ".join(argv))
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parser = argparse.ArgumentParser(
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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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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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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 '
|
||||
'them with zfs inherit -S)')
|
||||
parser.add_argument('--set-properties', metavar='PROPERTY=VALUE,...', type=str,
|
||||
help='List of propererties to override when receiving filesystems. (you can still restore '
|
||||
'them with zfs inherit -S)')
|
||||
parser.add_argument('--rollback', action='store_true',
|
||||
help='Rollback changes to the latest target snapshot before starting. (normally you can '
|
||||
'prevent changes by setting the readonly property on the target_path to on)')
|
||||
parser.add_argument('--destroy-incompatible', action='store_true',
|
||||
help='Destroy incompatible snapshots on target. Use with care! (implies --rollback)')
|
||||
parser.add_argument('--destroy-missing', metavar="SCHEDULE", type=str, default=None,
|
||||
help='Destroy datasets on target that are missing on the source. Specify the time since '
|
||||
'the last snapshot, e.g: --destroy-missing 30d')
|
||||
parser.add_argument('--ignore-transfer-errors', action='store_true',
|
||||
help='Ignore transfer errors (still checks if received filesystem exists. useful for '
|
||||
'acltype errors)')
|
||||
|
||||
parser.add_argument('--decrypt', action='store_true',
|
||||
help='Decrypt data before sending it over.')
|
||||
|
||||
parser.add_argument('--encrypt', action='store_true',
|
||||
help='Encrypt data after receiving it.')
|
||||
|
||||
parser.add_argument('--zfs-compressed', action='store_true',
|
||||
help='Transfer blocks that already have zfs-compression as-is.')
|
||||
|
||||
parser.add_argument('--test','--dry-run', '-n', action='store_true',
|
||||
help='Dry run, dont change anything, just show what would be done (still does all read-only '
|
||||
'operations)')
|
||||
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)')
|
||||
parser.add_argument('--progress', action='store_true',
|
||||
help='show zfs progress output. Enabled automaticly on ttys. (use --no-progress to disable)')
|
||||
parser.add_argument('--no-progress', action='store_true',
|
||||
help=argparse.SUPPRESS) # needed to workaround a zfs recv -v bug
|
||||
|
||||
parser.add_argument('--resume', action='store_true', help=argparse.SUPPRESS)
|
||||
parser.add_argument('--raw', action='store_true', help=argparse.SUPPRESS)
|
||||
|
||||
# these things all do stuff by piping zfs send/recv IO
|
||||
parser.add_argument('--send-pipe', metavar="COMMAND", default=[], action='append',
|
||||
help='pipe zfs send output through COMMAND (can be used multiple times)')
|
||||
parser.add_argument('--recv-pipe', metavar="COMMAND", default=[], action='append',
|
||||
help='pipe zfs recv input through COMMAND (can be used multiple times)')
|
||||
parser.add_argument('--compress', metavar='TYPE', default=None, nargs='?', const='zstd-fast',
|
||||
choices=compressors.choices(),
|
||||
help='Use compression during transfer, defaults to zstd-fast if TYPE is not specified. ({})'.format(
|
||||
", ".join(compressors.choices())))
|
||||
parser.add_argument('--rate', metavar='DATARATE', default=None,
|
||||
help='Limit data transfer rate (e.g. 128K. requires mbuffer.)')
|
||||
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('--snapshot-format', metavar='FORMAT', default="{}-%Y%m%d%H%M%S",
|
||||
help='Snapshot naming format. Default: %(default)s')
|
||||
parser.add_argument('--property-format', metavar='FORMAT', default="autobackup:{}",
|
||||
help='Select property naming format. Default: %(default)s')
|
||||
parser.add_argument('--hold-format', metavar='FORMAT', default="zfs_autobackup:{}",
|
||||
help='Hold naming format. Default: %(default)s')
|
||||
|
||||
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
|
||||
|
||||
if args.debug_output:
|
||||
args.debug = True
|
||||
|
||||
if self.args.test:
|
||||
self.args.verbose = True
|
||||
|
||||
if args.allow_empty:
|
||||
args.min_change = 0
|
||||
|
||||
if args.destroy_incompatible:
|
||||
args.rollback = True
|
||||
|
||||
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)")
|
||||
|
||||
if args.raw:
|
||||
self.warning(
|
||||
"The --raw option isn't needed anymore (its autodetected now). Also see --encrypt and --decrypt.")
|
||||
|
||||
if args.target_path is not None and args.target_path[0] == "/":
|
||||
self.log.error("Target should not start with a /")
|
||||
sys.exit(255)
|
||||
|
||||
if args.compress and args.ssh_source is None and args.ssh_target is None:
|
||||
self.warning("Using compression, but transfer is local.")
|
||||
|
||||
if args.compress and args.zfs_compressed:
|
||||
self.warning("Using --compress with --zfs-compressed, might be inefficient.")
|
||||
|
||||
if args.ignore_replicated:
|
||||
self.warning("--ignore-replicated has been renamed, using --exclude-unchanged")
|
||||
args.exclude_unchanged = True
|
||||
|
||||
def verbose(self, txt):
|
||||
self.log.verbose(txt)
|
||||
|
||||
def warning(self, txt):
|
||||
self.log.warning(txt)
|
||||
|
||||
def error(self, txt):
|
||||
self.log.error(txt)
|
||||
|
||||
def debug(self, txt):
|
||||
self.log.debug(txt)
|
||||
|
||||
def set_title(self, title):
|
||||
self.log.verbose("")
|
||||
self.log.verbose("#### " + title)
|
||||
|
||||
def progress(self, txt):
|
||||
self.log.progress(txt)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user