1#!/bin/ksh -p
2#
3# This file and its contents are supplied under the terms of the
4# Common Development and Distribution License ("CDDL"), version 1.0.
5# You may only use this file in accordance with the terms of version
6# 1.0 of the CDDL.
7#
8# A full copy of the text of the CDDL should have accompanied this
9# source.  A copy of the CDDL is also available via the Internet at
10# http://www.illumos.org/license/CDDL.
11#
12
13#
14# Copyright 2018, loli10K <ezomori.nozomu@gmail.com>. All rights reserved.
15#
16
17. $STF_SUITE/include/libtest.shlib
18
19#
20# DESCRIPTION:
21# ZFS 'snapshot_count' property is handled correctly by various actions
22#
23# STRATEGY:
24# 1. Verify 'zfs snapshot' increments 'snapshot_count' value
25# 2. Verify 'zfs destroy' decrements the value
26# 3. Verify 'zfs rename' updates counts across different hierarchies
27# 4. Verify 'zfs promote' updates counts across different hierarchies
28# 5. Verify 'zfs receive' correct behaviour
29#
30
31verify_runnable "both"
32
33function setup
34{
35	log_must zfs create "$DATASET_TEST"
36	log_must zfs create "$DATASET_UTIL"
37	# Set snapshot_limit just to activate the snapshot_count property
38	log_must zfs set snapshot_limit=100 "$DATASET_TEST"
39}
40
41function cleanup
42{
43	destroy_dataset "$DATASET_TEST" "-Rf"
44	destroy_dataset "$DATASET_UTIL" "-Rf"
45	rm -f $ZSTREAM
46}
47
48log_assert "Verify 'snapshot_count' is handled correctly by various actions"
49log_onexit cleanup
50
51DATASET_TEST="$TESTPOOL/$TESTFS/snapshot_count_test"
52DATASET_UTIL="$TESTPOOL/$TESTFS/snapshot_count_util"
53ZSTREAM="$TEST_BASE_DIR/snapshot_count.$$"
54
55# 1. Verify 'zfs snapshot' increments 'snapshot_count' value
56setup
57log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "0"
58log_must zfs snapshot "$DATASET_TEST@snap"
59log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "1"
60cleanup
61
62# 2. Verify 'zfs destroy' decrements the value
63setup
64log_must zfs snapshot "$DATASET_TEST@snap"
65log_must zfs destroy "$DATASET_TEST@snap"
66log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "0"
67cleanup
68
69# 3. Verify 'zfs rename' updates counts across different hierarchies
70setup
71log_must zfs create "$DATASET_TEST/renamed"
72log_must zfs snapshot "$DATASET_TEST/renamed@snap"
73log_must zfs rename "$DATASET_TEST/renamed" "$DATASET_UTIL/renamed"
74log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "0"
75log_must test "$(get_prop 'snapshot_count' "$DATASET_UTIL")" == "1"
76cleanup
77
78# 4. Verify 'zfs promote' updates counts across different hierarchies
79setup
80log_must zfs create "$DATASET_UTIL/promote"
81log_must zfs snapshot "$DATASET_UTIL/promote@snap"
82log_must zfs clone "$DATASET_UTIL/promote@snap" "$DATASET_TEST/promoted"
83log_must zfs promote "$DATASET_TEST/promoted"
84log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "1"
85log_must test "$(get_prop 'snapshot_count' "$DATASET_UTIL")" == "0"
86cleanup
87
88# 5. Verify 'zfs receive' correct behaviour
89setup
90log_must zfs create "$DATASET_UTIL/send"
91log_must zfs snapshot "$DATASET_UTIL/send@snap1"
92log_must zfs snapshot "$DATASET_UTIL/send@snap2"
93log_must eval "zfs send $DATASET_UTIL/send@snap1 > $ZSTREAM"
94log_must eval "zfs receive $DATASET_TEST/received < $ZSTREAM"
95log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "1"
96log_must eval "zfs send -i @snap1 $DATASET_UTIL/send@snap2 > $ZSTREAM"
97log_must eval "zfs receive $DATASET_TEST/received < $ZSTREAM"
98log_must test "$(get_prop 'snapshot_count' "$DATASET_TEST")" == "2"
99
100log_pass "'snapshot_count' property is handled correctly"
101