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2a71bade84
Signed-off-by: Rob van der Linde <rob@catalyst.net.nz> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
117 lines
4.2 KiB
Python
117 lines
4.2 KiB
Python
# domain management - domain tombstones
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#
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# Copyright Matthias Dieter Wallnoefer 2009
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# Copyright Andrew Kroeger 2009
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# Copyright Jelmer Vernooij 2007-2012
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# Copyright Giampaolo Lauria 2011
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# Copyright Matthieu Patou <mat@matws.net> 2011
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# Copyright Andrew Bartlett 2008-2015
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# Copyright Stefan Metzmacher 2012
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import time
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import ldb
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import samba.getopt as options
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from samba.auth import system_session
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from samba.netcmd import Command, CommandError, Option, SuperCommand
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from samba.samdb import SamDB
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class cmd_domain_tombstones_expunge(Command):
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"""Expunge tombstones from the database.
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This command expunges tombstones from the database."""
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synopsis = "%prog NC [NC [...]] [options]"
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takes_options = [
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Option("-H", "--URL", help="LDB URL for database or target server", type=str,
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metavar="URL", dest="H"),
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Option("--current-time",
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help="The current time to evaluate the tombstone lifetime from, expressed as YYYY-MM-DD",
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type=str),
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Option("--tombstone-lifetime", help="Number of days a tombstone should be preserved for", type=int),
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]
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takes_args = ["nc*"]
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takes_optiongroups = {
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"sambaopts": options.SambaOptions,
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"credopts": options.CredentialsOptions,
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"versionopts": options.VersionOptions,
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}
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def run(self, *ncs, **kwargs):
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sambaopts = kwargs.get("sambaopts")
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credopts = kwargs.get("credopts")
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H = kwargs.get("H")
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current_time_string = kwargs.get("current_time")
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tombstone_lifetime = kwargs.get("tombstone_lifetime")
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lp = sambaopts.get_loadparm()
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creds = credopts.get_credentials(lp)
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samdb = SamDB(url=H, session_info=system_session(),
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credentials=creds, lp=lp)
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if current_time_string is None and tombstone_lifetime is None:
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print("Note: without --current-time or --tombstone-lifetime "
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"only tombstones already scheduled for deletion will "
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"be deleted.", file=self.outf)
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print("To remove all tombstones, use --tombstone-lifetime=0.",
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file=self.outf)
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if current_time_string is not None:
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current_time_obj = time.strptime(current_time_string, "%Y-%m-%d")
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current_time = int(time.mktime(current_time_obj))
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else:
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current_time = int(time.time())
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if len(ncs) == 0:
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res = samdb.search(expression="", base="", scope=ldb.SCOPE_BASE,
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attrs=["namingContexts"])
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ncs = []
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for nc in res[0]["namingContexts"]:
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ncs.append(str(nc))
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else:
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ncs = list(ncs)
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started_transaction = False
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try:
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samdb.transaction_start()
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started_transaction = True
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(removed_objects,
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removed_links) = samdb.garbage_collect_tombstones(ncs,
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current_time=current_time,
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tombstone_lifetime=tombstone_lifetime)
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except Exception as err:
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if started_transaction:
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samdb.transaction_cancel()
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raise CommandError("Failed to expunge / garbage collect tombstones", err)
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samdb.transaction_commit()
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self.outf.write("Removed %d objects and %d links successfully\n"
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% (removed_objects, removed_links))
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class cmd_domain_tombstones(SuperCommand):
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"""Domain tombstone and recycled object management."""
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subcommands = {}
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subcommands["expunge"] = cmd_domain_tombstones_expunge()
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