numam-dpdk/dts/framework/dts.py
Juraj Linkeš 57c58bf832 dts: add workflow module
The module implements methods needed to run DTS. It handles the creation
of objects and eventually the whole DTS workflow, such as running node
setups, test gathering, setup and execution and various cleanups.

Signed-off-by: Owen Hilyard <ohilyard@iol.unh.edu>
Signed-off-by: Juraj Linkeš <juraj.linkes@pantheon.tech>
2022-11-09 18:07:56 +01:00

68 lines
2.1 KiB
Python

# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2010-2019 Intel Corporation
# Copyright(c) 2022 PANTHEON.tech s.r.o.
# Copyright(c) 2022 University of New Hampshire
import sys
import traceback
from collections.abc import Iterable
from framework.testbed_model.node import Node
from .config import CONFIGURATION
from .logger import DTSLOG, getLogger
from .utils import check_dts_python_version
dts_logger: DTSLOG | None = None
def run_all() -> None:
"""
Main process of DTS, it will run all test suites in the config file.
"""
global dts_logger
# check the python version of the server that run dts
check_dts_python_version()
dts_logger = getLogger("dts")
nodes = {}
# This try/finally block means "Run the try block, if there is an exception,
# run the finally block before passing it upward. If there is not an exception,
# run the finally block after the try block is finished." This helps avoid the
# problem of python's interpreter exit context, which essentially prevents you
# from making certain system calls. This makes cleaning up resources difficult,
# since most of the resources in DTS are network-based, which is restricted.
try:
# for all Execution sections
for execution in CONFIGURATION.executions:
sut_config = execution.system_under_test
if sut_config.name not in nodes:
node = Node(sut_config)
nodes[sut_config.name] = node
node.send_command("echo Hello World")
except Exception as e:
# sys.exit() doesn't produce a stack trace, need to print it explicitly
traceback.print_exc()
raise e
finally:
quit_execution(nodes.values())
def quit_execution(sut_nodes: Iterable[Node]) -> None:
"""
Close session to SUT and TG before quit.
Return exit status when failure occurred.
"""
for sut_node in sut_nodes:
# close all session
sut_node.node_exit()
if dts_logger is not None:
dts_logger.info("DTS execution has ended.")
sys.exit(0)