1#!/bin/ksh -p
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
23#
24# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/tests/functional/cli_root/zfs_promote/zfs_promote.cfg
33. $STF_SUITE/include/libtest.shlib
34
35#
36# DESCRIPTION:
37#	'zfs promote' can promote a clone filesystem to no longer be dependent
38#	on its "origin" snapshot.
39#
40# STRATEGY:
41#	1. Create a snapshot and a clone of the snapshot
42#	2. Promote the clone filesystem
43#	3. Verify the promoted filesystem become independent
44#
45
46verify_runnable "both"
47
48function cleanup
49{
50	if snapexists $csnap; then
51		log_must zfs promote $fs
52	fi
53	snapexists $snap && \
54		log_must zfs destroy -rR $snap
55
56	typeset data
57	for data in $file0 $file1; do
58		[[ -e $data ]] && rm -f $data
59	done
60}
61
62function testing_verify
63{
64	typeset ds=$1
65	typeset ds_file=$2
66	typeset snap_file=$3
67	typeset c_ds=$4
68	typeset c_file=$5
69	typeset csnap_file=$6
70	typeset origin_prop=""
71
72
73	snapexists $ds@$TESTSNAP && \
74		log_fail "zfs promote cannot promote $ds@$TESTSNAP."
75	! snapexists $c_ds@$TESTSNAP && \
76		log_fail "The $c_ds@$TESTSNAP after zfs promote doesn't exist."
77
78	origin_prop=$(get_prop origin $ds)
79	[[ "$origin_prop" != "$c_ds@$TESTSNAP" ]] && \
80		log_fail "The dependency of $ds is not correct."
81	origin_prop=$(get_prop origin $c_ds)
82	[[ "$origin_prop" != "-" ]] && \
83		log_fail "The dependency of $c_ds is not correct."
84
85	if [[ -e $snap_file ]] || [[ ! -e $csnap_file ]]; then
86		log_fail "Data file $snap_file cannot be correctly promoted."
87	fi
88	if [[ ! -e $ds_file ]] || [[ ! -e $c_file ]]; then
89		log_fail "There exists data file losing after zfs promote."
90	fi
91
92	log_mustnot zfs destroy -r $c_ds
93}
94
95log_assert "'zfs promote' can promote a clone filesystem."
96log_onexit cleanup
97
98fs=$TESTPOOL/$TESTFS
99file0=$TESTDIR/$TESTFILE0
100file1=$TESTDIR/$TESTFILE1
101snap=$fs@$TESTSNAP
102snapfile=$TESTDIR/.zfs/snapshot/$TESTSNAP/$TESTFILE0
103clone=$TESTPOOL/$TESTCLONE
104cfile=/$clone/$CLONEFILE
105csnap=$clone@$TESTSNAP
106csnapfile=/$clone/.zfs/snapshot/$TESTSNAP/$TESTFILE0
107
108# setup for promte testing
109log_must mkfile $FILESIZE $file0
110log_must zfs snapshot $snap
111log_must mkfile $FILESIZE $file1
112log_must rm -f $file0
113log_must zfs clone $snap $clone
114log_must mkfile $FILESIZE $cfile
115
116log_must zfs promote $clone
117# verify the 'promote' operation
118testing_verify $fs $file1 $snapfile $clone $cfile $csnapfile
119
120log_note "Verify 'zfs promote' can change back the dependency relationship."
121log_must zfs promote $fs
122#verify the result
123testing_verify $clone $cfile $csnapfile $fs $file1 $snapfile
124
125log_pass "'zfs promote' reverses the clone parent-child dependency relationship"\
126	"as expected."
127
128