566176bcd1
We add a test for the Raft-based topology's new feature - rejecting the replace operation if the node being replaced is considered alive by the failure detector. This test is not so fast, and it does not test any critical paths so we run it only in dev mode.
26 lines
1.1 KiB
Python
26 lines
1.1 KiB
Python
#
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# Copyright (C) 2023-present ScyllaDB
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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from test.pylib.scylla_cluster import ReplaceConfig
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from test.pylib.manager_client import ManagerClient
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import asyncio
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import pytest
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@pytest.mark.asyncio
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async def test_replacing_alive_node_fails(manager: ManagerClient) -> None:
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"""Try replacing an alive node and check that it fails"""
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servers = await manager.running_servers()
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await asyncio.gather(*(manager.server_sees_others(srv.server_id, len(servers) - 1) for srv in servers))
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# We test for every server because we expect a different error depending on
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# whether we try to replace the topology coordinator. We want to test both cases.
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# Both errors contain the expected string below.
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for srv in servers:
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replace_cfg = ReplaceConfig(replaced_id = srv.server_id, reuse_ip_addr = False,
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use_host_id = False, wait_replaced_dead = False)
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await manager.server_add(replace_cfg=replace_cfg,
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expected_error="the topology coordinator rejected request to join the cluster")
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