194 lines
6.8 KiB
Python
194 lines
6.8 KiB
Python
#
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# Copyright(c) 2019-2022 Intel Corporation
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# Copyright(c) 2024 Huawei Technologies Co., Ltd.
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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
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from api.cas.cache_config import CacheMode
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from api.cas.casadm_parser import get_caches
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from api.cas.cli import stop_cmd
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from api.cas.cli_messages import check_stderr_msg, stop_cache_errors
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from core.test_run import TestRun
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from storage_devices.disk import DiskTypeLowerThan, DiskTypeSet, DiskType
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from test_tools.dd import Dd
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from test_tools.disk_utils import Filesystem, mount
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from test_tools.fs_utils import check_if_file_exists
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from test_utils.filesystem.file import File
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from test_utils.os_utils import sync
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from test_utils.size import Size, Unit
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mount_point = "/mnt/cas"
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@pytest.mark.CI
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@pytest.mark.parametrizex("filesystem", Filesystem)
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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_recover_cache_verify_core_device(filesystem):
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"""
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title: Recovery after unplug/plug cache device
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description: |
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Test data integrity after unplug cache device.
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pass_criteria:
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- Cache devices successfully loaded with metadata after unplug/plug device
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- md5sums before and after all operations match each other
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- creation, mount, unmount of filesystems on the core device succeeds
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- correct error warning after cache stop
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"""
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with TestRun.step("Partition cache and core devices"):
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cache_device = TestRun.disks["cache"]
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core_device = TestRun.disks["core"]
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cache_device.create_partitions([Size(2, Unit.GibiByte)])
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core_device.create_partitions([Size(4, Unit.GibiByte)])
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cache_dev = cache_device.partitions[0]
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core_dev = core_device.partitions[0]
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with TestRun.step("Start cache and add core"):
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cache = casadm.start_cache(cache_dev=cache_dev, cache_mode=CacheMode.WB)
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core = cache.add_core(core_dev=core_dev)
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with TestRun.step("Create filesystem on core"):
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core.create_filesystem(filesystem)
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with TestRun.step("Mount exported object"):
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core.mount(mount_point)
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with TestRun.step("Run IO"):
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dd = (
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Dd()
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.input("/dev/urandom")
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.output(f"{mount_point}/test")
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.count(1)
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.block_size(Size(50, Unit.MegaByte))
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)
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dd.run()
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sync()
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with TestRun.step("Calculate test file md5sums before unplug"):
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core_mnt_md5s_before = File(f"{mount_point}/test").md5sum()
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with TestRun.step("Unmount exported object"):
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core.unmount()
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with TestRun.step("Unplug cache device"):
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cache_device.unplug()
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with TestRun.step("Stop cache without flushing and check error message"):
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output = TestRun.executor.run(stop_cmd(cache_id=str(cache.cache_id), no_data_flush=True))
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if len(get_caches()) > 0:
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TestRun.fail("CAS failed to stop cache")
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if not check_stderr_msg(output, stop_cache_errors):
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TestRun.fail(f"Wrong error message during cache stop")
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with TestRun.step("Plug cache device"):
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cache_device.plug()
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with TestRun.step("Load cache"):
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cache = casadm.load_cache(cache_dev)
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with TestRun.step("Stop cache"):
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cache.stop()
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with TestRun.step("Mount core device"):
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core.core_device.mount(mount_point)
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with TestRun.step("Calculate test file md5sums after recovery"):
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core_mnt_md5s_after = File(f"{mount_point}/test").md5sum()
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with TestRun.step("Compare test file md5 sums"):
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if core_mnt_md5s_before != core_mnt_md5s_after:
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TestRun.fail(
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f"MD5 sums do not match\n"
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f"Expected: {core_mnt_md5s_before}, Actual: {core_mnt_md5s_after}"
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)
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@pytest.mark.CI
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@pytest.mark.parametrizex("filesystem", Filesystem)
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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_recover_cache_verify_exp_obj(filesystem):
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"""
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title: Recovery after unplug/plug cache device
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description: |
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Test data integrity after unplug cache device.
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pass_criteria:
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- Cache device successfully loaded with metadata after unplug/plug cache device
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- md5sums before and after all operations match each other
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- creation, mount, unmount of filesystems succeeds on core exported object
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"""
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with TestRun.step("Partition cache and core device"):
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cache_device = TestRun.disks["cache"]
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core_device = TestRun.disks["core"]
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cache_device.create_partitions([Size(2, Unit.GibiByte)])
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core_device.create_partitions([Size(4, Unit.GibiByte)])
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cache_dev = cache_device.partitions[0]
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core_dev = core_device.partitions[0]
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with TestRun.step("Start cache and add core"):
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cache = casadm.start_cache(cache_dev=cache_dev, cache_mode=CacheMode.WB)
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core = cache.add_core(core_dev=core_dev)
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with TestRun.step("Create filesystem on core"):
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core.create_filesystem(filesystem)
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with TestRun.step("Mount exported object"):
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core.mount(mount_point)
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with TestRun.step("Run IO"):
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dd = (
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Dd()
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.input("/dev/urandom")
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.output(f"{mount_point}/test")
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.count(1)
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.block_size(Size(50, Unit.MegaByte))
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)
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dd.run()
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sync()
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with TestRun.step("Calculate test file md5sums before unplug"):
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core_mnt_md5s_before = File(f"{mount_point}/test").md5sum()
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with TestRun.step("Unmount exported object"):
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core.unmount()
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with TestRun.step("Unplug cache device"):
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cache_device.unplug()
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with TestRun.step("Stop cache without flushing and check error message"):
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output = TestRun.executor.run(stop_cmd(cache_id=str(cache.cache_id), no_data_flush=True))
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if len(get_caches()) > 0:
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TestRun.fail("CAS failed to stop cache")
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if not check_stderr_msg(output, stop_cache_errors):
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TestRun.fail(f"Wrong error message during cache stop")
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with TestRun.step("Plug cache device"):
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cache_device.plug()
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with TestRun.step("Load cache"):
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casadm.load_cache(cache_dev)
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with TestRun.step("Mount exported object"):
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core.mount(mount_point)
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if not check_if_file_exists(core.mount_point):
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TestRun.LOGGER.error(f"Mounting exported object {mount_point} failed")
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with TestRun.step("Calculate test file md5sums after recovery"):
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core_mnt_md5s_after = File(f"{core.mount_point}/test").md5sum()
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with TestRun.step("Compare test file md5 sums"):
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if core_mnt_md5s_before != core_mnt_md5s_after:
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TestRun.fail(
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f"MD5 sums do not match\n"
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f"Expected: {core_mnt_md5s_before}, Actual: {core_mnt_md5s_after}"
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)
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