DAOS-18478 tests: Fix daos_test POOL13 (#17401)

daos_test POOL13 should restore the original value of pool property
self_heal, or later tests may be affected.

Signed-off-by: Li Wei <[email protected]>

Author: liw

src/tests/suite/daos_pool.c

@@ -734,11 +734,17 @@ pool_op_retry(void **state)
 	print_message("success\n");
 
 	/* pool set prop success committed, "lost" reply - duplicate RPC retry */
+	char *orig_self_heal = NULL;
+	rc = daos_pool_get_prop(arg->pool.pool_uuid, "self_heal", &orig_self_heal);
+	assert_rc_equal(rc, 0);
 	test_set_engine_fail_loc(arg, leader_rank, DAOS_MD_OP_PASS_NOREPLY | DAOS_FAIL_ONCE);
 	print_message("set pool prop (retry / dup rpc detection)... ");
 	rc = daos_pool_set_prop(arg->pool.pool_uuid, "self_heal", "none");
 	assert_rc_equal(rc, 0);
 	print_message("success\n");
+	rc = daos_pool_set_prop(arg->pool.pool_uuid, "self_heal", orig_self_heal);
+	assert_rc_equal(rc, 0);
+	free(orig_self_heal);
 
 	/* pool evict success committed, "lost" reply - duplicate RPC retry */
 	test_set_engine_fail_loc(arg, leader_rank, DAOS_MD_OP_PASS_NOREPLY | DAOS_FAIL_ONCE);

src/tests/suite/daos_test.h

@@ -1,6 +1,6 @@
 /**
  * (C) Copyright 2016-2023 Intel Corporation.
- * (C) Copyright 2025 Hewlett Packard Enterprise Development LP
+ * (C) Copyright 2025-2026 Hewlett Packard Enterprise Development LP
  *
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
@@ -395,6 +395,8 @@ bool test_rebuild_query(test_arg_t **args, int args_cnt);
 void test_rebuild_wait(test_arg_t **args, int args_cnt);
 int daos_pool_set_prop(const uuid_t pool_uuid, const char *name,
 		       const char *value);
+int
+    daos_pool_get_prop(const uuid_t pool_uuid, const char *name, char **value_out);
 
 int daos_pool_upgrade(const uuid_t pool_uuid);
 int ec_data_nr_get(daos_obj_id_t oid);

src/tests/suite/daos_test_common.c

@@ -1,5 +1,6 @@
 /**
  * (C) Copyright 2018-2023 Intel Corporation.
+ * (C) Copyright 2026 Hewlett Packard Enterprise Development LP
  *
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
@@ -923,6 +924,12 @@ daos_pool_set_prop(const uuid_t pool_uuid, const char *name,
 	return dmg_pool_set_prop(dmg_config_file, name, value, pool_uuid);
 }
 
+int
+daos_pool_get_prop(const uuid_t pool_uuid, const char *name, char **value_out)
+{
+	return dmg_pool_get_prop(dmg_config_file, NULL, pool_uuid, name, value_out);
+}
+
 void
 daos_start_server(test_arg_t *arg, const uuid_t pool_uuid,
 		  const char *grp, d_rank_list_t *svc, d_rank_t rank)