332 lines
13 KiB
Python
332 lines
13 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 time import sleep
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from api.cas import casadm
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from api.cas.cache_config import (CacheMode,
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CacheModeTrait,
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CleaningPolicy,
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FlushParametersAlru,
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Time)
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from storage_devices.disk import DiskType, DiskTypeSet
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from core.test_run import TestRun
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from test_tools.disk_utils import Filesystem
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from test_tools.fs_utils import create_random_test_file
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from test_tools.scsi_debug import Logs, syslog_path
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from test_utils import os_utils
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from types.size import Size, Unit
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mount_point = "/mnt/cas"
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@pytest.mark.os_dependent
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@pytest.mark.require_plugin("scsi_debug_fua_signals", dev_size_mb="4096", opts="1")
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@pytest.mark.parametrizex("cache_mode", CacheMode.with_traits(CacheModeTrait.LazyWrites))
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@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
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def test_flush_signal_core(cache_mode):
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"""
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title: Test for FLUSH nad FUA signals sent to core device in modes with lazy writes.
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description: |
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Test if OpenCAS transmits FLUSH and FUA signals to core device in modes with lazy writes.
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pass_criteria:
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- FLUSH requests should be passed to core device.
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- FUA requests should be passed to core device.
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"""
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with TestRun.step("Set mark in syslog to not read entries existing before the test."):
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Logs._read_syslog(Logs.last_read_line)
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with TestRun.step("Prepare devices for cache and core."):
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cache_dev = TestRun.disks['cache']
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cache_dev.create_partitions([Size(2, Unit.GibiByte)])
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cache_part = cache_dev.partitions[0]
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core_dev = TestRun.scsi_debug_devices[0]
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with TestRun.step("Start cache and add SCSI device with xfs filesystem as core."):
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cache = casadm.start_cache(cache_part, cache_mode)
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core_dev.create_filesystem(Filesystem.xfs)
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core = cache.add_core(core_dev)
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with TestRun.step("Mount exported object."):
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if core.is_mounted():
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core.unmount()
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core.mount(mount_point)
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with TestRun.step("Turn off cleaning policy."):
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cache.set_cleaning_policy(CleaningPolicy.nop)
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with TestRun.step("Create temporary file on exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(1, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Flush cache."):
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cache.flush_cache()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush request and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Create temporary file on exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(1, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Flush core."):
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core.flush_core()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush request and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Turn on alru cleaning policy and set policy params."):
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cache.set_cleaning_policy(CleaningPolicy.alru)
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cache.set_params_alru(FlushParametersAlru(
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Time(milliseconds=5000), 10000, Time(seconds=10), Time(seconds=10))
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)
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with TestRun.step("Create big temporary file on exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(5, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Wait for automatic flush from alru cleaning policy and check log."):
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wait_time = (
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int(cache.get_flush_parameters_alru().staleness_time.total_seconds())
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+ int(cache.get_flush_parameters_alru().activity_threshold.total_seconds())
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+ int(cache.get_flush_parameters_alru().wake_up_time.total_seconds())
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+ 5
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)
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sleep(wait_time)
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with TestRun.step(f"Check {syslog_path} for flush request and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Create temporary file on exported object."):
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create_random_test_file(f"{mount_point}/tmp.file", Size(1, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Unmount exported object and remove it from cache."):
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core.unmount()
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core.remove_core()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush request."):
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Logs.check_syslog_for_signals()
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with TestRun.step("Stop cache."):
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cache.stop()
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@pytest.mark.os_dependent
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@pytest.mark.require_plugin("scsi_debug_fua_signals", dev_size_mb="2048", opts="1")
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@pytest.mark.parametrizex("cache_mode", CacheMode.with_traits(CacheModeTrait.LazyWrites))
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@pytest.mark.require_disk("core", DiskTypeSet([DiskType.hdd, DiskType.hdd4k, DiskType.sata]))
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def test_flush_signal_cache(cache_mode):
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"""
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title: Test for FLUSH and FUA signals sent to cache device in modes with lazy writes.
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description: |
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Test if OpenCAS transmits FLUSH and FUA signals to cache device in modes with lazy writes.
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pass_criteria:
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- FLUSH requests should be passed to cache device.
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- FUA requests should be passed to cache device.
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"""
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with TestRun.step("Set mark in syslog to not read entries existing before the test."):
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Logs._read_syslog(Logs.last_read_line)
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with TestRun.step("Prepare devices for cache and core."):
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core_dev = TestRun.disks['core']
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core_dev.create_partitions([Size(4, Unit.GibiByte)])
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core_part = core_dev.partitions[0]
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cache_dev = TestRun.scsi_debug_devices[0]
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with TestRun.step("Start SCSI device as cache and add core with xfs filesystem."):
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cache = casadm.start_cache(cache_dev, cache_mode)
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core_part.create_filesystem(Filesystem.xfs)
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core = cache.add_core(core_part)
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with TestRun.step("Mount exported object."):
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if core.is_mounted():
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core.unmount()
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core.mount(mount_point)
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with TestRun.step("Turn off cleaning policy."):
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cache.set_cleaning_policy(CleaningPolicy.nop)
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with TestRun.step("Create temporary file on exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(1, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Flush cache."):
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cache.flush_cache()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush and FUA requests and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Create temporary file on exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(1, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Flush core."):
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core.flush_core()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush request and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Turn on alru cleaning policy and set policy params."):
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cache.set_cleaning_policy(CleaningPolicy.alru)
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cache.set_params_alru(FlushParametersAlru(
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Time(milliseconds=5000), 10000, Time(seconds=10), Time(seconds=10))
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)
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with TestRun.step("Create big temporary file on exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(5, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Wait for automatic flush from alru cleaning policy and check log."):
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wait_time = (
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int(cache.get_flush_parameters_alru().staleness_time.total_seconds())
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+ int(cache.get_flush_parameters_alru().activity_threshold.total_seconds())
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+ int(cache.get_flush_parameters_alru().wake_up_time.total_seconds())
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+ 5
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)
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sleep(wait_time)
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with TestRun.step(f"Check {syslog_path} for flush and FUA requests and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Create temporary file on exported object."):
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create_random_test_file(f"{mount_point}/tmp.file", Size(1, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Unmount exported object and remove it from cache."):
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core.unmount()
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core.remove_core()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush and FUA requests."):
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Logs.check_syslog_for_signals()
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with TestRun.step("Stop cache."):
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cache.stop()
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@pytest.mark.os_dependent
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@pytest.mark.require_plugin("scsi_debug_fua_signals", dev_size_mb="2048", opts="1")
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@pytest.mark.parametrizex("cache_mode", CacheMode.with_traits(CacheModeTrait.LazyWrites))
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@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
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def test_flush_signal_multilevel_cache(cache_mode):
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"""
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title: Test for FLUSH and FUA signals sent to multilevel cache in modes with lazy writes.
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description: |
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Test if OpenCAS transmits FLUSH and FUA signals with multilevel cache in lazy-write modes.
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pass_criteria:
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- FLUSH requests should be passed by multilevel cache to core device.
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- FUA requests should be passed by multilevel cache to core device.
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"""
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with TestRun.step("Set mark in syslog to not read entries existing before the test."):
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Logs._read_syslog(Logs.last_read_line)
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with TestRun.step("Prepare devices for multilevel cache."):
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cache_dev = TestRun.disks['cache']
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cache_dev.create_partitions([Size(1, Unit.GibiByte)] * 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.scsi_debug_devices[0]
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with TestRun.step("Start the first cache and add the SCSI device as a core."):
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cache1 = casadm.start_cache(cache_part1, cache_mode)
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core1 = cache1.add_core(core_dev)
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with TestRun.step("Start the second cache and add the 1st exported object as core."):
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cache2 = casadm.start_cache(cache_part2, cache_mode)
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core2 = cache2.add_core(core1)
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with TestRun.step("Create xfs filesystem on the 2nd exported object and mount it."):
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core2.create_filesystem(Filesystem.xfs)
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if core2.is_mounted():
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core2.unmount()
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core2.mount(mount_point)
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with TestRun.step("Turn off cleaning policy on both caches."):
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cache1.set_cleaning_policy(CleaningPolicy.nop)
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cache2.set_cleaning_policy(CleaningPolicy.nop)
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with TestRun.step("Create temporary file on the 2nd exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(512, Unit.MebiByte))
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os_utils.sync()
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with TestRun.step("Flush both caches."):
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cache2.flush_cache()
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cache1.flush_cache()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush and FUA requests and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Create temporary file on the 2nd exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(512, Unit.MebiByte))
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os_utils.sync()
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with TestRun.step("Flush both cores."):
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core2.flush_core()
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core1.flush_core()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush request and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Turn on alru cleaning policy and set policy params on both caches."):
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cache1.set_cleaning_policy(CleaningPolicy.alru)
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cache1.set_params_alru(FlushParametersAlru(
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Time(milliseconds=5000), 10000, Time(seconds=10), Time(seconds=10))
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)
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cache2.set_cleaning_policy(CleaningPolicy.alru)
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cache2.set_params_alru(FlushParametersAlru(
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Time(milliseconds=5000), 10000, Time(seconds=10), Time(seconds=10))
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)
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with TestRun.step("Create big temporary file on the 2nd exported object."):
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tmp_file = create_random_test_file(f"{mount_point}/tmp.file", Size(3, Unit.GibiByte))
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os_utils.sync()
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with TestRun.step("Wait for automatic flush from alru cleaning policy and check log."):
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wait_time = (
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int(cache2.get_flush_parameters_alru().staleness_time.total_seconds())
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+ int(cache2.get_flush_parameters_alru().activity_threshold.total_seconds())
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+ int(cache2.get_flush_parameters_alru().wake_up_time.total_seconds())
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+ 5
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)
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sleep(wait_time)
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with TestRun.step(f"Check {syslog_path} for flush and FUA requests and delete temporary file."):
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Logs.check_syslog_for_signals()
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tmp_file.remove(True)
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with TestRun.step("Create temporary file on the 2nd exported object."):
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create_random_test_file(f"{mount_point}/tmp.file", Size(512, Unit.MebiByte))
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os_utils.sync()
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with TestRun.step("Unmount the 2nd exported object and remove cores from caches."):
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core2.unmount()
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core2.remove_core()
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core1.remove_core()
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os_utils.sync()
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with TestRun.step(f"Check {syslog_path} for flush request."):
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Logs.check_syslog_for_signals()
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with TestRun.step("Stop both caches."):
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cache2.stop()
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cache1.stop()
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