Adding new test for '--zero-metadata' command
Signed-off-by: Karolina Rogowska <karolina.rogowska@intel.com>
This commit is contained in:
Karolina Rogowska
parent
a70a862c6d
commit
ba9bd29cb8
@ -7,7 +7,6 @@ import re
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from core.test_run import TestRun
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from test_utils.output import Output
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load_inactive_core_missing = [
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r"WARNING: Can not resolve path to core \d+ from cache \d+\. By-id path will be shown for that "
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r"core\.",
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@ -83,6 +82,33 @@ no_caches_running = [
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r"No caches running"
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]
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unavailable_device = [
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r"Error while opening \'\S+\'exclusively\. This can be due to\n"
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r"cache instance running on this device\. In such case please stop the cache and try again\."
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]
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error_handling = [
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r"Error during options handling"
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]
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no_cas_metadata = [
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r"Device \'\S+\' does not contain OpenCAS's metadata\."
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]
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cache_dirty_data = [
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r"Cache instance contains dirty data\. Clearing metadata will result in loss of dirty data\.\n"
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r"Please load cache instance and flush dirty data in order to preserve them on the core "
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r"device\.\n"
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r"Alternatively, if you wish to clear metadata anyway, please use \'--force\' option\."
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]
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cache_dirty_shutdown = [
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r"Cache instance did not shut down cleanly\. It might contain dirty data\. \n"
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r"Clearing metadata might result in loss of dirty data\. Please recover cache instance\n"
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r"by loading it and flush dirty data in order to preserve them on the core device\.\n"
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r"Alternatively, if you wish to clear metadata anyway, please use \'--force\' option\."
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]
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def check_stderr_msg(output: Output, expected_messages):
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return __check_string_msg(output.stderr, expected_messages)
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264
test/functional/tests/cli/test_zero_metadata_command.py
Normal file
264
test/functional/tests/cli/test_zero_metadata_command.py
Normal file
@ -0,0 +1,264 @@
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#
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# Copyright(c) 2021 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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#
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import time
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from datetime import timedelta
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import pytest
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from api.cas import casadm, cli_messages, cli
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from api.cas.cache_config import CacheMode, CleaningPolicy
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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_tools.disk_utils import get_device_filesystem_type, Filesystem
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from test_tools.fio.fio import Fio
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from test_tools.fio.fio_param import IoEngine, ReadWrite
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from test_utils.disk_finder import get_system_disks
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from test_utils.output import CmdException
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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_zero_metadata_negative_cases():
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"""
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title: Test for '--zero-metadata' negative cases.
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description: |
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Test for '--zero-metadata' scenarios with expected failures.
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pass_criteria:
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- Zeroing metadata without '--force' failed when run on cache.
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- Zeroing metadata with '--force' failed when run on cache.
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- Zeroing metadata failed when run on system drive.
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- Load cache command failed after successfully zeroing metadata on the cache device.
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"""
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with TestRun.step("Prepare cache and core devices."):
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cache_dev, core_dev, cache_disk = prepare_devices()
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with TestRun.step("Start cache."):
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cache = casadm.start_cache(cache_dev, force=True)
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with TestRun.step("Try to zero metadata and validate error message."):
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try:
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casadm.zero_metadata(cache_dev)
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TestRun.LOGGER.error("Zeroing metadata should fail!")
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except CmdException as e:
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cli_messages.check_stderr_msg(e.output, cli_messages.unavailable_device)
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with TestRun.step("Try to zero metadata with '--force' option and validate error message."):
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try:
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casadm.zero_metadata(cache_dev, force=True)
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TestRun.LOGGER.error("Zeroing metadata with '--force' option should fail!")
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except CmdException as e:
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cli_messages.check_stderr_msg(e.output, cli_messages.unavailable_device)
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with TestRun.step("Try to zeroing metadata on system disk."):
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os_disks = get_system_disks()
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for os_disk in os_disks:
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output = TestRun.executor.run(cli.zero_metadata_cmd(str(os_disk)))
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if output.exit_code != 0:
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cli_messages.check_stderr_msg(output, cli_messages.error_handling)
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else:
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TestRun.LOGGER.error("Zeroing metadata should fail!")
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with TestRun.step("Stop cache."):
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casadm.stop_all_caches()
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with TestRun.step("Zeroing metadata."):
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try:
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casadm.zero_metadata(cache_dev)
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TestRun.LOGGER.info("Zeroing metadata successful!")
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except CmdException as e:
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TestRun.LOGGER.error(f"Zeroing metadata should work for cache device after stopping "
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f"cache! Error message: {e.output}")
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with TestRun.step("Load cache."):
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try:
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cache = casadm.load_cache(cache_dev)
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TestRun.LOGGER.error("Loading cache should fail.")
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except CmdException:
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TestRun.LOGGER.info("Loading cache failed as expected.")
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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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@pytest.mark.parametrizex("filesystem", Filesystem)
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def test_zero_metadata_filesystem(filesystem):
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"""
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title: Test for '--zero-metadata' and filesystem.
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description: |
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Test for '--zero-metadata' on drive with filesystem.
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pass_criteria:
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- Zeroing metadata on device with filesystem failed and not removed filesystem.
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- Zeroing metadata on mounted device failed.
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"""
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mount_point = "/mnt"
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with TestRun.step("Prepare devices."):
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cache_dev, core_disk, cache_disk = prepare_devices()
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with TestRun.step("Create filesystem on core device."):
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core_disk.create_filesystem(filesystem)
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with TestRun.step("Start cache and add core."):
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cache = casadm.start_cache(cache_dev, force=True)
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core = cache.add_core(core_disk)
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with TestRun.step("Zeroing metadata on core device and validating filesystem"):
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try:
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casadm.zero_metadata(core)
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TestRun.LOGGER.error("Zeroing metadata should fail!")
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except CmdException as e:
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cli_messages.check_stderr_msg(e.output, cli_messages.no_cas_metadata)
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file_system = get_device_filesystem_type(core.get_device_id())
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if file_system != filesystem:
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TestRun.LOGGER.error(f"Incorrect filesystem: {file_system}; expected: {filesystem}")
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with TestRun.step("Mount core."):
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core.mount(mount_point)
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with TestRun.step("Zeroing metadata on mounted core device and validate result"):
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try:
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casadm.zero_metadata(core)
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TestRun.LOGGER.error("Zeroing metadata should fail!")
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except CmdException as e:
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cli_messages.check_stderr_msg(e.output, cli_messages.unavailable_device)
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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_zero_metadata_dirty_data():
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"""
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title: Test for '--zero-metadata' and dirty data scenario.
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description: |
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Test for '--zero-metadata' with and without 'force' option if there are dirty data
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on cache.
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pass_criteria:
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- Zeroing metadata without force failed on cache with dirty data.
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- Zeroing metadata with force ran successfully on cache with dirty data.
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- Cache started successfully after zeroing metadata on cache with dirty data.
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"""
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with TestRun.step("Prepare cache and core devices."):
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cache_dev, core_disk, cache_disk = prepare_devices()
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with TestRun.step("Start cache."):
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cache = casadm.start_cache(cache_dev, CacheMode.WB, force=True)
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core = cache.add_core(core_disk)
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cache.set_cleaning_policy(CleaningPolicy.nop)
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with TestRun.step("Run workload on CAS"):
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fio_run_fill = Fio().create_command()
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fio_run_fill.io_engine(IoEngine.libaio)
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fio_run_fill.direct()
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fio_run_fill.read_write(ReadWrite.randwrite)
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fio_run_fill.io_depth(16)
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fio_run_fill.block_size(Size(1, Unit.MebiByte))
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fio_run_fill.target(core.path)
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fio_run_fill.run_time(timedelta(seconds=5))
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fio_run_fill.time_based()
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fio_run_fill.run()
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with TestRun.step("Stop cache without flushing dirty data."):
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cache.stop(no_data_flush=True)
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with TestRun.step("Start cache (expect to fail)."):
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try:
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cache = casadm.start_cache(cache_dev, CacheMode.WB)
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except CmdException:
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TestRun.LOGGER.info("Start cache failed as expected.")
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with TestRun.step("Zeroing metadata on CAS device without force"):
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try:
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casadm.zero_metadata(cache_dev)
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TestRun.LOGGER.error("Zeroing metadata without force should fail!")
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except CmdException as e:
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cli_messages.check_stderr_msg(e.output, cli_messages.cache_dirty_data)
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with TestRun.step("Zeroing metadata on cache device with force"):
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try:
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casadm.zero_metadata(cache_dev, force=True)
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TestRun.LOGGER.info("Zeroing metadata with force successful!")
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except CmdException as e:
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TestRun.LOGGER.error(f"Zeroing metadata with force should work for cache device!"
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f"Error message: {e.output}")
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with TestRun.step("Start cache without 'force' option."):
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try:
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cache = casadm.start_cache(cache_dev, CacheMode.WB)
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TestRun.LOGGER.info("Cache started successfully.")
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except CmdException:
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TestRun.LOGGER.error("Start cache failed.")
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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_zero_metadata_dirty_shutdown():
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"""
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title: Test for '--zero-metadata' and dirty shutdown scenario.
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description: |
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Test for '--zero-metadata' with and without 'force' option on cache which had been dirty
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shut down before.
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pass_criteria:
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- Zeroing metadata without force failed on cache after dirty shutdown.
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- Zeroing metadata with force ran successfully on cache after dirty shutdown.
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- Cache started successfully after dirty shutdown and zeroing metadata on cache.
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"""
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with TestRun.step("Prepare cache and core devices."):
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cache_dev, core_disk, cache_disk = prepare_devices()
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with TestRun.step("Start cache."):
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cache = casadm.start_cache(cache_dev, CacheMode.WT, force=True)
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core = cache.add_core(core_disk)
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with TestRun.step("Unplug cache device."):
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cache_disk.unplug()
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with TestRun.step("Stop cache without flush."):
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try:
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cache.stop(no_data_flush=True)
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except CmdException:
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TestRun.LOGGER.info("This could ended with error (expected)")
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with TestRun.step("Plug cache device."):
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cache_disk.plug()
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time.sleep(1)
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with TestRun.step("Start cache (expect to fail)."):
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try:
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cache = casadm.start_cache(cache_dev, CacheMode.WT)
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TestRun.LOGGER.error("Starting cache should fail!")
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except CmdException:
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TestRun.LOGGER.info("Start cache failed as expected.")
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with TestRun.step("Zeroing metadata on CAS device without force"):
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try:
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casadm.zero_metadata(cache_dev)
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TestRun.LOGGER.error("Zeroing metadata without force should fail!")
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except CmdException as e:
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cli_messages.check_stderr_msg(e.output, cli_messages.cache_dirty_shutdown)
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with TestRun.step("Zeroing metadata on cache device with force"):
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try:
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casadm.zero_metadata(cache_dev, force=True)
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TestRun.LOGGER.info("Zeroing metadata with force successful!")
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except CmdException as e:
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TestRun.LOGGER.error(f"Zeroing metadata with force should work for cache device!"
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f"Error message: {e.output}")
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with TestRun.step("Start cache."):
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try:
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cache = casadm.start_cache(cache_dev, CacheMode.WT)
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TestRun.LOGGER.info("Cache started successfully.")
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except CmdException:
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TestRun.LOGGER.error("Start cache failed.")
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def 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)])
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return cache_part, core_disk, cache_disk
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