Current File : //lib/python3/dist-packages/samba/netcmd/domain/tombstones.py
# domain management - domain tombstones
#
# Copyright Matthias Dieter Wallnoefer 2009
# Copyright Andrew Kroeger 2009
# Copyright Jelmer Vernooij 2007-2012
# Copyright Giampaolo Lauria 2011
# Copyright Matthieu Patou <mat@matws.net> 2011
# Copyright Andrew Bartlett 2008-2015
# Copyright Stefan Metzmacher 2012
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import time
import ldb
import samba.getopt as options
from samba.auth import system_session
from samba.netcmd import Command, CommandError, Option, SuperCommand
from samba.samdb import SamDB
class cmd_domain_tombstones_expunge(Command):
"""Expunge tombstones from the database.
This command expunges tombstones from the database."""
synopsis = "%prog NC [NC [...]] [options]"
takes_options = [
Option("-H", "--URL", help="LDB URL for database or target server", type=str,
metavar="URL", dest="H"),
Option("--current-time",
help="The current time to evaluate the tombstone lifetime from, expressed as YYYY-MM-DD",
type=str),
Option("--tombstone-lifetime", help="Number of days a tombstone should be preserved for", type=int),
]
takes_args = ["nc*"]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"versionopts": options.VersionOptions,
}
def run(self, *ncs, **kwargs):
sambaopts = kwargs.get("sambaopts")
credopts = kwargs.get("credopts")
H = kwargs.get("H")
current_time_string = kwargs.get("current_time")
tombstone_lifetime = kwargs.get("tombstone_lifetime")
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
samdb = SamDB(url=H, session_info=system_session(),
credentials=creds, lp=lp)
if current_time_string is None and tombstone_lifetime is None:
print("Note: without --current-time or --tombstone-lifetime "
"only tombstones already scheduled for deletion will "
"be deleted.", file=self.outf)
print("To remove all tombstones, use --tombstone-lifetime=0.",
file=self.outf)
if current_time_string is not None:
current_time_obj = time.strptime(current_time_string, "%Y-%m-%d")
current_time = int(time.mktime(current_time_obj))
else:
current_time = int(time.time())
if len(ncs) == 0:
res = samdb.search(expression="", base="", scope=ldb.SCOPE_BASE,
attrs=["namingContexts"])
ncs = []
for nc in res[0]["namingContexts"]:
ncs.append(str(nc))
else:
ncs = list(ncs)
started_transaction = False
try:
samdb.transaction_start()
started_transaction = True
(removed_objects,
removed_links) = samdb.garbage_collect_tombstones(ncs,
current_time=current_time,
tombstone_lifetime=tombstone_lifetime)
except Exception as err:
if started_transaction:
samdb.transaction_cancel()
raise CommandError("Failed to expunge / garbage collect tombstones", err)
samdb.transaction_commit()
self.outf.write("Removed %d objects and %d links successfully\n"
% (removed_objects, removed_links))
class cmd_domain_tombstones(SuperCommand):
"""Domain tombstone and recycled object management."""
subcommands = {}
subcommands["expunge"] = cmd_domain_tombstones_expunge()
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