add supporting methods for lvm tests in new file

Signed-off-by: Karolina Rogowska <karolina.rogowska@intel.com>

test/functional/tests/common/lvm_common_utils.py

@@ -0,0 +1,35 @@
+#
+# Copyright(c) 2021 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+import datetime
+
+from storage_devices.lvm import get_block_devices_list
+
+from api.cas.init_config import InitConfig
+from test_tools.fio.fio import Fio
+from test_tools.fio.fio_param import IoEngine, ReadWrite, VerifyMethod
+from test_utils.size import Size, Unit
+
+
+def run_fio_on_lvm(volumes: []):
+    fio_run = (Fio().create_command()
+               .read_write(ReadWrite.randrw)
+               .io_engine(IoEngine.sync)
+               .io_depth(1)
+               .time_based()
+               .run_time(datetime.timedelta(seconds=180))
+               .do_verify()
+               .verify(VerifyMethod.md5)
+               .block_size(Size(1, Unit.Blocks4096)))
+    for lvm in volumes:
+        fio_run.add_job().target(lvm).size(lvm.size)
+    fio_run.run()
+
+
+def get_test_configuration():
+    config = InitConfig.create_init_config_from_running_configuration()
+    devices = get_block_devices_list()
+
+    return config, devices