173 lines
6.6 KiB
Python
173 lines
6.6 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, casctl, casadm_parser
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from api.cas.casadm_parser import get_caches, get_cores
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from api.cas.cache_config import CacheMode
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from api.cas.init_config import InitConfig
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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.filesystem.file import File
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from test_tools.disk_utils import Filesystem
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from test_utils import fstab
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from test_tools.dd import Dd
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from test_utils.size import Unit, Size
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mountpoint = "/mnt"
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filepath = f"{mountpoint}/file"
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@pytest.mark.os_dependent
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@pytest.mark.remote_only
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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("cache_mode", CacheMode)
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@pytest.mark.parametrizex("filesystem", Filesystem)
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def test_cas_startup(cache_mode, filesystem):
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"""
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title: Test for starting CAS on system startup.
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pass_criteria:
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- System does not crash.
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- CAS modules are loaded before partitions are mounted.
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- Cache is loaded before partitions are mounted.
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- Exported object is mounted after startup is complete.
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"""
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with TestRun.step("Prepare partitions for cache (200MiB) and for core (400MiB)"):
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cache_dev = TestRun.disks['cache']
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cache_dev.create_partitions([Size(200, Unit.MebiByte)])
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cache_part = cache_dev.partitions[0]
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core_dev = TestRun.disks['core']
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core_dev.create_partitions([Size(400, Unit.MebiByte)])
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core_part = core_dev.partitions[0]
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with TestRun.step("Start cache and add core"):
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cache = casadm.start_cache(cache_part, cache_mode, force=True)
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core = cache.add_core(core_part)
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with TestRun.step("Create and mount filesystem"):
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core.create_filesystem(filesystem)
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core.mount(mountpoint)
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with TestRun.step("Create test file and calculate md5 checksum"):
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(
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Dd()
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.input("/dev/urandom")
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.output(filepath)
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.count(16)
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.block_size(Size(1, Unit.MebiByte))
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.run()
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)
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test_file = File(filepath)
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md5_before = test_file.md5sum()
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with TestRun.step("Add mountpoint fstab and create intelcas.conf"):
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fstab.add_mountpoint(device=core,
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mount_point=mountpoint,
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fs_type=filesystem)
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InitConfig.create_init_config_from_running_configuration()
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with TestRun.step("Reboot"):
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TestRun.executor.reboot()
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with TestRun.step("Check if cache is started"):
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caches = list(get_caches())
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if len(caches) != 1:
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TestRun.fail(f"Expected one cache, got {len(caches)}!")
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if caches[0].cache_id != cache.cache_id:
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TestRun.fail("Invalid cache id!")
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with TestRun.step("Check if core is added"):
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cores = list(get_cores(cache.cache_id))
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if len(cores) != 1:
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TestRun.fail(f"Expected one core, got {len(cores)}!")
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if cores[0].core_id != core.core_id:
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TestRun.fail("Invalid core id!")
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with TestRun.step("Check if filesystem is mounted"):
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if not core.is_mounted():
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TestRun.fail("Core is not mounted!")
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with TestRun.step("Check if md5 checksum matches"):
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md5_after = test_file.md5sum()
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if md5_before != md5_after:
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TestRun.fail("md5 checksum mismatch!")
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with TestRun.step("Test cleanup"):
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fstab.remove_mountpoint(device=core)
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core.unmount()
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InitConfig.create_default_init_config()
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casadm.stop_all_caches()
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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("cache_mode_pair", [(CacheMode.WT, CacheMode.WB),
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(CacheMode.WB, CacheMode.WA),
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(CacheMode.WA, CacheMode.PT),
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(CacheMode.PT, CacheMode.WO),
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(CacheMode.WO, CacheMode.WT)])
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def test_cas_init_with_changed_mode(cache_mode_pair):
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"""
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title: Check starting cache in other cache mode by initializing OpenCAS service from config.
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description: |
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Start cache, create config based on running configuration but with another cache mode,
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reinitialize OpenCAS service with '--force' option and check if cache defined
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in config file starts properly.
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Check all cache modes.
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pass_criteria:
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- Cache starts with attached core
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- Cache starts in mode saved in configuration file.
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"""
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with TestRun.step("Prepare partitions for cache and core."):
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cache_dev = TestRun.disks['cache']
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cache_dev.create_partitions([Size(200, Unit.MebiByte)])
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cache_part = cache_dev.partitions[0]
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core_dev = TestRun.disks['core']
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core_dev.create_partitions([Size(400, Unit.MebiByte)])
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core_part = core_dev.partitions[0]
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with TestRun.step(f"Start cache in the {cache_mode_pair[0]} mode and add core."):
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cache = casadm.start_cache(cache_part, cache_mode_pair[0], force=True)
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core = cache.add_core(core_part)
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with TestRun.step(
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f"Create the configuration file with a different cache mode ({cache_mode_pair[1]})"
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):
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init_conf = InitConfig()
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init_conf.add_cache(cache.cache_id, cache.cache_device, cache_mode_pair[1])
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init_conf.add_core(cache.cache_id, core.core_id, core.core_device)
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init_conf.save_config_file()
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with TestRun.step("Reinitialize OpenCAS service with '--force' option."):
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casadm.stop_all_caches()
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casctl.init(True)
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with TestRun.step("Check if cache started in correct mode with core attached."):
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validate_cache(cache_mode_pair[1])
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def validate_cache(cache_mode):
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caches = casadm_parser.get_caches()
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caches_count = len(caches)
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if caches_count != 1:
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TestRun.LOGGER.error(
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f"Cache did not start successfully - wrong number of caches: {caches_count}."
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)
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cores = casadm_parser.get_cores(caches[0].cache_id)
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cores_count = len(cores)
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if cores_count != 1:
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TestRun.LOGGER.error(f"Cache started with wrong number of cores: {cores_count}.")
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current_mode = caches[0].get_cache_mode()
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if current_mode != cache_mode:
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TestRun.LOGGER.error(
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f"Cache started in wrong mode!\n"
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f"Should start in {cache_mode}, but started in {current_mode} mode."
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)
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