open-cas-linux/test/functional/api/cas/core.py
Michał Mielewczyk 71d8f04565
Merge pull request #305 from Deixx/core-fs
Test API: Filesystem on core + set sequential cut-off fix
2020-02-12 14:45:58 +01:00

147 lines
5.6 KiB
Python

#
# Copyright(c) 2019 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause-Clear
#
from api.cas.casadm_parser import *
from api.cas.cli import *
from api.cas.statistics import CoreStats, CoreIoClassStats
from test_tools import fs_utils, disk_utils
from test_utils.os_utils import *
from test_utils.os_utils import wait
class CoreStatus(Enum):
empty = 0,
active = 1,
inactive = 2,
detached = 3
SEQ_CUTOFF_THRESHOLD_MAX = Size(4194181, Unit.KibiByte)
SEQ_CUT_OFF_THRESHOLD_DEFAULT = Size(1, Unit.MebiByte)
class Core(Device):
def __init__(self, core_device: str, cache_id: int):
self.core_device = Device(core_device)
self.system_path = None
core_info = self.__get_core_info()
if core_info["core_id"] != "-":
self.core_id = int(core_info["core_id"])
if core_info["exp_obj"] != "-":
Device.__init__(self, core_info["exp_obj"])
self.cache_id = cache_id
self.partitions = []
self.block_size = None
def __get_core_info(self):
output = TestRun.executor.run(
list_cmd(OutputFormat.csv.name))
if output.exit_code != 0:
raise Exception("Failed to execute list caches command.")
output_lines = output.stdout.splitlines()
for line in output_lines:
split_line = line.split(',')
if split_line[0] == "core" and (split_line[2] == self.core_device.system_path
or split_line[5] == self.system_path):
return {"core_id": split_line[1],
"core_device": split_line[2],
"status": split_line[3],
"exp_obj": split_line[5]}
def create_filesystem(self, fs_type: disk_utils.Filesystem, force=True, blocksize=None):
super().create_filesystem(fs_type, force, blocksize)
self.core_device.filesystem = self.filesystem
def get_io_class_statistics(self,
io_class_id: int,
stat_filter: List[StatsFilter] = None,
percentage_val: bool = False):
stats = get_statistics(self.cache_id, self.core_id, io_class_id,
stat_filter, percentage_val)
return CoreIoClassStats(stats)
def get_statistics(self,
stat_filter: List[StatsFilter] = None,
percentage_val: bool = False):
stats = get_statistics(self.cache_id, self.core_id, None,
stat_filter, percentage_val)
return CoreStats(stats)
def get_statistics_flat(self,
io_class_id: int = None,
stat_filter: List[StatsFilter] = None,
percentage_val: bool = False):
return get_statistics(self.cache_id, self.core_id, io_class_id,
stat_filter, percentage_val)
def get_status(self):
return CoreStatus[self.__get_core_info()["status"].lower()]
def get_seq_cut_off_parameters(self):
return get_seq_cut_off_parameters(self.cache_id, self.core_id)
def get_seq_cut_off_policy(self):
return get_seq_cut_off_parameters(self.cache_id, self.core_id).policy
def get_seq_cut_off_threshold(self):
return get_seq_cut_off_parameters(self.cache_id, self.core_id).threshold
def get_dirty_blocks(self):
return self.get_statistics().usage_stats.dirty
def get_clean_blocks(self):
return self.get_statistics().usage_stats.clean
def get_occupancy(self):
return self.get_statistics().usage_stats.occupancy
# Casadm methods:
def remove_core(self, force: bool = False):
return casadm.remove_core(self.cache_id, self.core_id, force)
def reset_counters(self):
return casadm.reset_counters(self.cache_id, self.core_id)
def flush_core(self):
casadm.flush(self.cache_id, self.core_id)
sync()
assert self.get_dirty_blocks().get_value(Unit.Blocks4096) == 0
def set_seq_cutoff_parameters(self, seq_cutoff_param: SeqCutOffParameters):
return casadm.set_param_cutoff(self.cache_id, self.core_id,
seq_cutoff_param.threshold, seq_cutoff_param.policy)
def set_seq_cutoff_threshold(self, threshold: Size):
return casadm.set_param_cutoff(self.cache_id, self.core_id,
threshold=threshold,
policy=None)
def set_seq_cutoff_policy(self, policy: SeqCutOffPolicy):
return casadm.set_param_cutoff(self.cache_id, self.core_id,
threshold=None,
policy=policy)
def check_if_is_present_in_os(self, should_be_visible=True):
device_in_system_message = "CAS device exists in OS."
device_not_in_system_message = "CAS device does not exist in OS."
item = fs_utils.ls_item(f"{self.system_path}")
if item is not None:
if should_be_visible:
TestRun.LOGGER.info(device_in_system_message)
else:
TestRun.fail(device_in_system_message)
else:
if should_be_visible:
TestRun.fail(device_not_in_system_message)
else:
TestRun.LOGGER.info(device_not_in_system_message)
def wait_for_status_change(self, expected_status: CoreStatus):
timeout = timedelta(minutes=1)
if not wait(lambda: self.get_status() == expected_status, timeout, timedelta(seconds=1)):
TestRun.fail(f"Core status did not change after {timeout.total_seconds()}s.")