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# 24 25"""This module implements the "zfs holds" subcommand. 26The only public interface is the zfs.holds.do_holds() function.""" 27 28import optparse 29import sys 30import errno 31import time 32import zfs.util 33import zfs.dataset 34import zfs.table 35 36_ = zfs.util._ 37 38def do_holds(): 39 """Implements the "zfs holds" subcommand.""" 40 def usage(msg=None): 41 parser.print_help() 42 if msg: 43 print 44 parser.exit("zfs: error: " + msg) 45 else: 46 parser.exit() 47 48 u = _("""holds [-r] <snapshot> ...""") 49 50 parser = optparse.OptionParser(usage=u, prog="zfs") 51 52 parser.add_option("-r", action="store_true", dest="recursive", 53 help=_("list holds recursively")) 54 55 (options, args) = parser.parse_args(sys.argv[2:]) 56 57 if len(args) < 1: 58 usage(_("missing snapshot argument")) 59 60 fields = ("name", "tag", "timestamp") 61 rjustfields = () 62 printing = False 63 gotone = False 64 t = zfs.table.Table(fields, rjustfields) 65 for ds in zfs.dataset.snapshots_fromcmdline(args, options.recursive): 66 gotone = True 67 for tag, tm in ds.get_holds().iteritems(): 68 val = {"name": ds.name, "tag": tag, 69 "timestamp": time.ctime(tm)} 70 t.addline(ds.name, val) 71 printing = True 72 if printing: 73 t.printme() 74 elif not gotone: 75 raise zfs.util.ZFSError(errno.ENOENT, _("no matching datasets")) 76