def get_io_class_list(cache_id: int):
ret = []
casadm_output = casadm.list_io_classes(
cache_id, OutputFormat.csv).stdout.splitlines()
casadm_output.pop(0) # Remove header
for line in casadm_output:
values = line.split(",")
ioclass = IoClass(int(values[0]), values[1], int(values[2]), values[3])
ret.append(ioclass)
return ret
def get_io_class_list(cache_id: int):
ret = []
casadm_output = casadm.list_io_classes(cache_id, OutputFormat.csv).stdout.splitlines()
casadm_output.pop(0) # Remove header
for line in casadm_output:
values = line.split(",")
ioclass = {
"id": int(values[0]),
"rule": values[1],
"eviction_priority": int(values[2]),
"allocation": float(values[3]),
}
ret.append(ioclass)
return ret
def test_ioclass_export_configuration(cache_mode):
"""
title: Export IO class configuration to a file
description: |
Test CAS ability to create a properly formatted file with current IO class configuration
pass_criteria:
- CAS default IO class configuration contains unclassified class only
- CAS properly imports previously exported configuration
"""
with TestRun.LOGGER.step(f"Test prepare"):
cache, core = prepare(cache_mode)
saved_config_path = "/tmp/opencas_saved.conf"
default_list = [IoClass.default()]
with TestRun.LOGGER.step(
f"Check IO class configuration (should contain only default class)"
):
csv = casadm.list_io_classes(cache.cache_id, OutputFormat.csv).stdout
if not IoClass.compare_ioclass_lists(IoClass.csv_to_list(csv),
default_list):
TestRun.LOGGER.error(
"Default configuration does not match expected\n"
f"Current:\n{csv}\n"
f"Expected:{IoClass.list_to_csv(default_list)}")
with TestRun.LOGGER.step(
"Create and load configuration file for 33 IO classes "
"with random names, allocation and priority values"):
random_list = IoClass.generate_random_ioclass_list(33)
IoClass.save_list_to_config_file(
random_list, ioclass_config_path=ioclass_config_path)
casadm.load_io_classes(cache.cache_id, ioclass_config_path)
with TestRun.LOGGER.step(
"Display and export IO class configuration - displayed configuration "
"should be the same as created"):
TestRun.executor.run(
f"{casadm.list_io_classes_cmd(str(cache.cache_id), OutputFormat.csv.name)}"
f" > {saved_config_path}")
csv = fs_utils.read_file(saved_config_path)
if not IoClass.compare_ioclass_lists(IoClass.csv_to_list(csv),
random_list):
TestRun.LOGGER.error(
"Exported configuration does not match expected\n"
f"Current:\n{csv}\n"
f"Expected:{IoClass.list_to_csv(random_list)}")
with TestRun.LOGGER.step("Stop Intel CAS"):
casadm.stop_cache(cache.cache_id)
with TestRun.LOGGER.step("Start cache and add core"):
cache = casadm.start_cache(cache.cache_device, force=True)
casadm.add_core(cache, core.core_device)
with TestRun.LOGGER.step(
"Check IO class configuration (should contain only default class)"
):
csv = casadm.list_io_classes(cache.cache_id, OutputFormat.csv).stdout
if not IoClass.compare_ioclass_lists(IoClass.csv_to_list(csv),
default_list):
TestRun.LOGGER.error(
"Default configuration does not match expected\n"
f"Current:\n{csv}\n"
f"Expected:{IoClass.list_to_csv(default_list)}")
with TestRun.LOGGER.step(
"Load exported configuration file for 33 IO classes"):
casadm.load_io_classes(cache.cache_id, saved_config_path)
with TestRun.LOGGER.step(
"Display IO class configuration - should be the same as created"):
csv = casadm.list_io_classes(cache.cache_id, OutputFormat.csv).stdout
if not IoClass.compare_ioclass_lists(IoClass.csv_to_list(csv),
random_list):
TestRun.LOGGER.error(
"Exported configuration does not match expected\n"
f"Current:\n{csv}\n"
f"Expected:{IoClass.list_to_csv(random_list)}")
with TestRun.LOGGER.step(f"Test cleanup"):
fs_utils.remove(saved_config_path)