56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
#
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# Copyright(c) 2020-2022 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import pytest
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from api.cas import casadm, cli, cli_messages
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from core.test_run import TestRun
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from storage_devices.disk import DiskType, DiskTypeSet, DiskTypeLowerThan
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from test_utils.size import Size, Unit
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@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
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@pytest.mark.require_disk("core", DiskTypeLowerThan("cache"))
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def test_remove_multilevel_core():
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"""
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title: Test of the ability to remove a core used in a multilevel cache.
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description: |
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Negative test if OpenCAS does not allow to remove a core when the related exported object
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is used as a core device for another cache instance.
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pass_criteria:
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- No system crash.
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- OpenCAS does not allow removing a core used in a multilevel cache instance.
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"""
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with TestRun.step("Prepare two devices for cache and one for core."):
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cache_dev = TestRun.disks['cache']
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cache_dev.create_partitions([Size(512, Unit.MebiByte)] * 2)
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cache_part1 = cache_dev.partitions[0]
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cache_part2 = cache_dev.partitions[1]
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core_dev = TestRun.disks['core']
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core_dev.create_partitions([Size(1, Unit.GibiByte)])
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core_dev = core_dev.partitions[0]
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with TestRun.step("Start the first cache instance"):
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cache1 = casadm.start_cache(cache_part1, force=True)
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with TestRun.step("Add a core device to the first cache instance."):
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core1 = cache1.add_core(core_dev)
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with TestRun.step("Start the second cache instance"):
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cache2 = casadm.start_cache(cache_part2, force=True)
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with TestRun.step("Add the first cache's exported object as a core "
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"to the second cache instance."):
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cache2.add_core(core1)
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with TestRun.step("Try to remove core from the first level cache."):
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output = TestRun.executor.run_expect_fail(cli.remove_core_cmd(cache_id=str(cache1.cache_id),
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core_id=str(core1.core_id),
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force=True))
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cli_messages.check_stderr_msg(output, cli_messages.remove_multilevel_core)
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with TestRun.step("Stop cache."):
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casadm.stop_all_caches()
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