1#!@PYTHON@ 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22# Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved. 23# Copyright 2018 OmniOS Community Edition (OmniOSce) Association. 24# 25 26"""This module implements the "zfs holds" subcommand. 27The only public interface is the zfs.holds.do_holds() function.""" 28 29import optparse 30import sys 31import errno 32import time 33import zfs.util 34import zfs.dataset 35import zfs.table 36 37_ = zfs.util._ 38 39def do_holds(): 40 """Implements the "zfs holds" subcommand.""" 41 def usage(msg=None): 42 parser.print_help() 43 if msg: 44 print 45 parser.exit("zfs: error: " + msg) 46 else: 47 parser.exit() 48 49 u = _("""holds [-r] <snapshot> ...""") 50 51 parser = optparse.OptionParser(usage=u, prog="zfs") 52 53 parser.add_option("-r", action="store_true", dest="recursive", 54 help=_("list holds recursively")) 55 56 (options, args) = parser.parse_args(sys.argv[2:]) 57 58 if len(args) < 1: 59 usage(_("missing snapshot argument")) 60 61 fields = ("name", "tag", "timestamp") 62 rjustfields = () 63 printing = False 64 gotone = False 65 t = zfs.table.Table(fields, rjustfields) 66 for ds in zfs.dataset.snapshots_fromcmdline(args, options.recursive): 67 gotone = True 68 for tag, tm in ds.get_holds().items(): 69 val = {"name": ds.name, "tag": tag, 70 "timestamp": time.ctime(tm)} 71 t.addline(ds.name, val) 72 printing = True 73 if printing: 74 t.printme() 75 elif not gotone: 76 raise zfs.util.ZFSError(errno.ENOENT, _("no matching datasets")) 77