Add zfs.sync.snapshot_rename

Only the single snapshot rename is provided.
The recursive or more complex rename can be scripted.

Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Signed-off-by: Andriy Gapon <[email protected]>
Closes #13802 

3 files changed, 70 insertions, 0 deletions

diff --git a/tests/zfs-tests/tests/Makefile.am b/tests/zfs-tests/tests/Makefile.am
index b80489af2..89b2ca866 100644
--- a/tests/zfs-tests/tests/Makefile.am
+++ b/tests/zfs-tests/tests/Makefile.am
@@ -129,6 +129,7 @@ nobase_dist_datadir_zfs_tests_tests_DATA += \
 	functional/channel_program/synctask_core/tst.snapshot_destroy.zcp \
 	functional/channel_program/synctask_core/tst.snapshot_neg.zcp \
 	functional/channel_program/synctask_core/tst.snapshot_recursive.zcp \
+	functional/channel_program/synctask_core/tst.snapshot_rename.zcp \
 	functional/channel_program/synctask_core/tst.snapshot_simple.zcp \
 	functional/checksum/default.cfg \
 	functional/clean_mirror/clean_mirror_common.kshlib \
@@ -536,6 +537,7 @@ nobase_dist_datadir_zfs_tests_tests_SCRIPTS += \
 	functional/channel_program/synctask_core/tst.snapshot_destroy.ksh \
 	functional/channel_program/synctask_core/tst.snapshot_neg.ksh \
 	functional/channel_program/synctask_core/tst.snapshot_recursive.ksh \
+	functional/channel_program/synctask_core/tst.snapshot_rename.ksh \
 	functional/channel_program/synctask_core/tst.snapshot_simple.ksh \
 	functional/channel_program/synctask_core/tst.terminate_by_signal.ksh \
 	functional/chattr/chattr_001_pos.ksh \
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh
new file mode 100755
index 000000000..0561e4b7c
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.ksh
@@ -0,0 +1,41 @@
+#!/bin/ksh -p
+#
+# 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) 2022 by Andriy Gapon. All rights reserved.
+#
+
+. $STF_SUITE/tests/functional/channel_program/channel_common.kshlib
+
+#
+# DESCRIPTION: Make sure basic snapshot functionality works in channel programs
+#
+
+verify_runnable "global"
+
+fs=$TESTPOOL/$TESTFS/testchild
+snapname1=testsnap1
+snapname2=testsnap2
+
+function cleanup
+{
+	destroy_dataset $fs "-R"
+}
+
+log_onexit cleanup
+
+log_must zfs create $fs
+
+log_must_program_sync $TESTPOOL \
+    $ZCP_ROOT/synctask_core/tst.snapshot_rename.zcp $fs $snapname1 $snapname2
+
+log_pass "Snapshot renaming works"
diff --git a/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp
new file mode 100644
index 000000000..ef893d155
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/channel_program/synctask_core/tst.snapshot_rename.zcp
@@ -0,0 +1,27 @@
+--
+-- 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) 2022 by Andriy Gapon. All rights reserved.
+--
+
+-- This program should be invoked as "zfs program <pool> <prog> <fs> <snap>"
+
+args = ...
+argv = args["argv"]
+assert(zfs.sync.snapshot(argv[1] .. "@" .. argv[2]) == 0)
+assert(zfs.sync.rename_snapshot(argv[1], argv[2], argv[3]) == 0)
+snaps = {}
+for s in zfs.list.snapshots(argv[1]) do
+	table.insert(snaps, s)
+end
+assert(#snaps == 1)
+assert(snaps[1] == (argv[1] .. "@" .. argv[3]))