
Change license to BSD-3-Clause Signed-off-by: Rafal Stefanowski <rafal.stefanowski@intel.com>
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
#
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# Copyright(c) 2020-2021 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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import random
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from api.cas import casadm
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from core.test_run import TestRun
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from storage_devices.disk import DiskTypeSet, DiskType, 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_stress_attach_detach():
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"""
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title: Stress test for attaching and detaching multiple core devices.
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description: |
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Validate the ability of CAS to attach and detach core devices using script commands.
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pass_criteria:
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- No system crash.
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- Core devices are successfully attached and detached.
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"""
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iterations_number = 50
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with TestRun.step("Prepare devices."):
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cache_disk = TestRun.disks['cache']
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cache_disk.create_partitions([Size(100, Unit.MebiByte)])
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cache_part = cache_disk.partitions[0]
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core_disk = TestRun.disks['core']
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core_disk.create_partitions([Size(5, Unit.GibiByte)] * 8)
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core_devices = core_disk.partitions
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with TestRun.step("Start cache."):
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cache = casadm.start_cache(cache_part)
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cores = []
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for dev in core_devices:
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cores.append(cache.add_core(dev))
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with TestRun.step("Attach and detach core devices in a loop."):
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for _ in TestRun.iteration(range(0, iterations_number)):
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TestRun.LOGGER.info("Detaching all core devices.")
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for core in cores:
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casadm.detach_core(cache.cache_id, core.core_id)
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random.shuffle(cores)
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TestRun.LOGGER.info("Attaching all core devices.")
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for core in cores:
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casadm.try_add(core.core_device, cache.cache_id, core.core_id)
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