ZTS: test zfs.sync.clone() for filesystems and volumes

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://despairlabs.com/sponsor/
Closes #17426

tests/runfiles/common.run

@@ -140,7 +140,7 @@ tests = ['tst.destroy_fs', 'tst.destroy_snap', 'tst.get_count_and_limit',
     'tst.promote_multiple', 'tst.promote_simple', 'tst.rollback_mult',
     'tst.rollback_one', 'tst.set_props', 'tst.snapshot_destroy', 'tst.snapshot_neg',
     'tst.snapshot_recursive', 'tst.snapshot_rename', 'tst.snapshot_simple',
-    'tst.bookmark.create', 'tst.bookmark.copy',
+    'tst.bookmark.create', 'tst.bookmark.copy', 'tst.clone',
     'tst.terminate_by_signal'
     ]
 tags = ['functional', 'channel_program', 'synctask_core']

tests/runfiles/sanity.run

@@ -84,7 +84,7 @@ tests = ['tst.destroy_fs', 'tst.destroy_snap', 'tst.get_count_and_limit',
     'tst.promote_multiple', 'tst.promote_simple', 'tst.rollback_mult',
     'tst.rollback_one', 'tst.set_props', 'tst.snapshot_destroy',
     'tst.snapshot_neg', 'tst.snapshot_recursive', 'tst.snapshot_simple',
-    'tst.bookmark.create', 'tst.bookmark.copy']
+    'tst.bookmark.create', 'tst.bookmark.copy', 'tst.clone']
 tags = ['functional', 'channel_program', 'synctask_core']
 
 [tests/functional/cli_root/zdb]

tests/zfs-tests/tests/Makefile.am

@@ -124,6 +124,7 @@ nobase_dist_datadir_zfs_tests_tests_DATA += \
 	functional/channel_program/lua_core/tst.timeout.zcp \
 	functional/channel_program/synctask_core/tst.bookmark.copy.zcp \
 	functional/channel_program/synctask_core/tst.bookmark.create.zcp \
+	functional/channel_program/synctask_core/tst.clone.zcp \
 	functional/channel_program/synctask_core/tst.get_index_props.out \
 	functional/channel_program/synctask_core/tst.get_index_props.zcp \
 	functional/channel_program/synctask_core/tst.get_number_props.out \
@@ -569,6 +570,7 @@ nobase_dist_datadir_zfs_tests_tests_SCRIPTS += \
 	functional/channel_program/synctask_core/setup.ksh \
 	functional/channel_program/synctask_core/tst.bookmark.copy.ksh \
 	functional/channel_program/synctask_core/tst.bookmark.create.ksh \
+	functional/channel_program/synctask_core/tst.clone.ksh \
 	functional/channel_program/synctask_core/tst.destroy_fs.ksh \
 	functional/channel_program/synctask_core/tst.destroy_snap.ksh \
 	functional/channel_program/synctask_core/tst.get_count_and_limit.ksh \

tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.clone.ksh

@@ -0,0 +1,55 @@
+#!/bin/ksh -p
+# SPDX-License-Identifier: CDDL-1.0
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2016, 2017 by Delphix. All rights reserved.
+# Copyright (c) 2025, Rob Norris <robn@despairlabs.com>
+#
+
+. $STF_SUITE/tests/functional/channel_program/channel_common.kshlib
+
+#
+# DESCRIPTION: Make sure basic cloning functionality works in channel programs
+#
+
+verify_runnable "global"
+
+base=$TESTPOOL/$TESTFS/base
+
+function cleanup
+{
+	destroy_dataset $base "-R"
+}
+
+log_onexit cleanup
+
+log_must zfs create $base
+
+# test filesystem cloning
+log_must zfs create $base/fs
+log_must zfs snapshot $base/fs@snap
+
+log_must_program_sync $TESTPOOL \
+    $ZCP_ROOT/synctask_core/tst.clone.zcp $base/fs@snap $base/newfs
+
+# test zvol cloning
+log_must zfs create -s -V 100G $base/vol
+log_must zfs snapshot $base/vol@snap
+
+log_must_program_sync $TESTPOOL \
+    $ZCP_ROOT/synctask_core/tst.clone.zcp $base/vol@snap $base/newvol
+
+# make sure the dev node was created
+block_device_wait $ZVOL_DEVDIR/$base/newvol
+
+log_pass "Cloning works"

tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.clone.zcp

@@ -0,0 +1,28 @@
+-- SPDX-License-Identifier: CDDL-1.0
+--
+-- This file and its contents are supplied under the terms of the
+-- Common Development and Distribution License ("CDDL"), version 1.0.
+-- You may only use this file in accordance with the terms of version
+-- 1.0 of the CDDL.
+--
+-- A full copy of the text of the CDDL should have accompanied this
+-- source.  A copy of the CDDL is also available via the Internet at
+-- http://www.illumos.org/license/CDDL.
+--
+
+--
+-- Copyright (c) 2016, 2017 by Delphix. All rights reserved.
+-- Copyright (c) 2025, Rob Norris <robn@despairlabs.com>
+--
+
+-- This program should be invoked as "zfs program <pool> <prog> <fs> <snap> <new>"
+
+args = ...
+argv = args["argv"]
+assert(zfs.sync.clone(argv[1], argv[2]) == 0)
+clones = {}
+for c in zfs.list.clones(argv[1]) do
+	table.insert(clones, c)
+end
+assert(#clones == 1)
+assert(clones[1] == argv[2])