60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
#
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# Copyright(c) 2019-2020 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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#
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import pytest
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from api.cas import casadm, casadm_parser
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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_load_occupied_id():
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"""
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1. Start new cache instance (don't specify cache id)
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2. Add core to newly create cache.
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3. Stop cache instance.
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4. Start new cache instance on another device (don't specify cache id).
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5. Try to load metadata from first device.
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* Load should fail.
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"""
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cache_device = TestRun.disks['cache']
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core_device = TestRun.disks['core']
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TestRun.LOGGER.info("Creating partitons for test")
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cache_device.create_partitions([Size(500, Unit.MebiByte), Size(500, Unit.MebiByte)])
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core_device.create_partitions([Size(1, Unit.GibiByte)])
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cache_device_1 = cache_device.partitions[0]
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cache_device_2 = cache_device.partitions[1]
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core_device = core_device.partitions[0]
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TestRun.LOGGER.info("Starting cache with default id and one core")
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cache1 = casadm.start_cache(cache_device_1, force=True)
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cache1.add_core(core_device)
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TestRun.LOGGER.info("Stopping cache")
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cache1.stop()
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TestRun.LOGGER.info("Starting cache with default id on different device")
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cache2 = casadm.start_cache(cache_device_2, force=True)
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TestRun.LOGGER.info("Attempt to load metadata from first cache device")
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try:
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casadm.load_cache(cache_device_1)
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except Exception:
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pass
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caches = casadm_parser.get_caches()
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assert len(caches) == 1, "Inappropirate number of caches after load!"
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assert caches[0].cache_device.system_path == cache_device_2.system_path
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assert caches[0].cache_id == 1
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cores = caches[0].get_core_devices()
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assert len(cores) == 0
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