86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
#
|
|
# Copyright(c) 2020-2021 Intel Corporation
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
|
#
|
|
|
|
|
|
import pytest
|
|
|
|
from api.cas import casadm
|
|
from core.test_run import TestRun
|
|
from test_tools.os_tools import sync
|
|
from storage_devices.disk import DiskType, DiskTypeSet, DiskTypeLowerThan
|
|
from types.size import Unit, Size
|
|
from test_tools.dd import Dd
|
|
|
|
|
|
@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.nand, DiskType.optane]))
|
|
@pytest.mark.require_disk("core", DiskTypeLowerThan("cache"))
|
|
@pytest.mark.parametrize("purge_target", ["cache", "core"])
|
|
def test_purge(purge_target):
|
|
"""
|
|
title: Call purge without and with `--script` switch
|
|
description: |
|
|
Check if purge is called only when `--script` switch is used.
|
|
pass_criteria:
|
|
- casadm returns an error when `--script` is missing
|
|
- cache is wiped when purge command is used properly
|
|
"""
|
|
with TestRun.step("Prepare devices"):
|
|
cache_device = TestRun.disks["cache"]
|
|
core_device = TestRun.disks["core"]
|
|
|
|
cache_device.create_partitions([Size(500, Unit.MebiByte)])
|
|
core_device.create_partitions([Size(500, Unit.MebiByte)])
|
|
|
|
cache_device = cache_device.partitions[0]
|
|
core_device = core_device.partitions[0]
|
|
|
|
with TestRun.step("Prepare cache instance"):
|
|
cache = casadm.start_cache(cache_device, force=True)
|
|
core = casadm.add_core(cache, core_device)
|
|
|
|
with TestRun.step("Trigger IO to prepared cache instance"):
|
|
dd = (
|
|
Dd()
|
|
.input("/dev/zero")
|
|
.output(core.path)
|
|
.count(100)
|
|
.block_size(Size(1, Unit.Blocks512))
|
|
.oflag("direct")
|
|
)
|
|
dd.run()
|
|
sync()
|
|
|
|
with TestRun.step(
|
|
f"Try to call purge-{purge_target} without `--script` switch"
|
|
):
|
|
original_occupancy = cache.get_statistics().usage_stats.occupancy
|
|
purge_params = f"--cache-id {cache.cache_id} "
|
|
if purge_target == "core":
|
|
purge_params += f"--core-id {core.core_id}"
|
|
TestRun.executor.run_expect_fail(
|
|
f"casadm --purge-{purge_target} {purge_params}"
|
|
)
|
|
|
|
if cache.get_statistics().usage_stats.occupancy != original_occupancy:
|
|
TestRun.fail(
|
|
f"Purge {purge_target} should not be possible to use without `--script` switch!"
|
|
)
|
|
|
|
with TestRun.step(
|
|
f"Try to call purge-{purge_target} with `--script` switch"
|
|
):
|
|
TestRun.executor.run_expect_success(
|
|
f"casadm --script --purge-{purge_target} {purge_params}"
|
|
)
|
|
|
|
if cache.get_statistics().usage_stats.occupancy.get_value() != 0:
|
|
TestRun.fail(f"{cache.get_statistics().usage_stats.occupancy.get_value()}")
|
|
TestRun.fail(f"Purge {purge_target} should invalidate all cache lines!")
|
|
|
|
with TestRun.step(
|
|
f"Stop cache"
|
|
):
|
|
casadm.stop_all_caches()
|