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#!/usr/bin/env python3
# Copyright 2020 Spirent Communications
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""VALID main script.
"""
import logging
import os
import sys
import argparse
import time
import datetime
from conf import settings
import core.component_factory as component_factory
from core.loader import Loader
VERBOSITY_LEVELS = {
'debug': logging.DEBUG,
'info': logging.INFO,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL
}
_CURR_DIR = os.path.dirname(os.path.realpath(__file__))
_LOGGER = logging.getLogger()
def parse_arguments():
"""
Parse command line arguments.
"""
parser = argparse.ArgumentParser(prog=__file__, formatter_class=
argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('--version', action='version', version='%(prog)s 0.1')
parser.add_argument('--list-validations', action='store_true',
help='list all validations')
parser.add_argument('--list-swpredepv', action='store_true',
help='list all Software pre-dep validations and exit')
parser.add_argument('--list-swpostdepv', action='store_true',
help='list all Software post-dep validations and exit')
parser.add_argument('--list-nwlinksv', action='store_true',
help='list all Link validations and exit')
parser.add_argument('exact_validation_name', nargs='*', help='Exact names of\
validations to run. E.g "valid nwlinks"\
runs only nwlink-validations.\
To run all omit positional arguments')
args = vars(parser.parse_args())
return args
def configure_logging(level):
"""Configure logging.
"""
name, ext = os.path.splitext(settings.getValue('LOG_FILE_DEFAULT'))
rename_default = "{name}_{uid}{ex}".format(name=name,
uid=settings.getValue(
'LOG_TIMESTAMP'),
ex=ext)
log_file_default = os.path.join(
settings.getValue('RESULTS_PATH'), rename_default)
_LOGGER.setLevel(logging.DEBUG)
stream_logger = logging.StreamHandler(sys.stdout)
stream_logger.setLevel(VERBOSITY_LEVELS[level])
stream_logger.setFormatter(logging.Formatter(
'[%(levelname)-5s] %(asctime)s : (%(name)s) - %(message)s'))
_LOGGER.addHandler(stream_logger)
file_logger = logging.FileHandler(filename=log_file_default)
file_logger.setLevel(logging.DEBUG)
file_logger.setFormatter(logging.Formatter(
'%(asctime)s : %(message)s'))
_LOGGER.addHandler(file_logger)
def handle_list_options(args):
""" Process --list cli arguments if needed
:param args: A dictionary with all CLI arguments
"""
if args['list_swpredepv']:
print(Loader().get_swprevalidators_printable())
sys.exit(0)
if args['list_swpostdepv']:
print(Loader().get_swpostvalidators_printable())
sys.exit(0)
if args['list_nwlinksv']:
print(Loader().get_nwlinkvalidators_printable())
sys.exit(0)
def main():
"""Main function.
"""
args = parse_arguments()
# define the timestamp to be used by logs and results
date = datetime.datetime.fromtimestamp(time.time())
timestamp = date.strftime('%Y-%m-%d_%H-%M-%S')
settings.setValue('LOG_TIMESTAMP', timestamp)
# configure settings
settings.load_from_dir(os.path.join(_CURR_DIR, 'conf'))
# if required, handle list-* operations
handle_list_options(args)
results_dir = "results_" + timestamp
results_path = os.path.join(settings.getValue('LOG_DIR'), results_dir)
settings.setValue('RESULTS_PATH', results_path)
# create results directory
if not os.path.exists(results_path):
os.makedirs(results_path)
configure_logging(settings.getValue('VERBOSITY'))
loader = Loader()
swprevalidators = loader.get_swprevalidators()
if settings.getValue('SW_PRE_VALIDATOR') not in swprevalidators:
_LOGGER.error('There are no swvalidators matching \'%s\' found in'
' \'%s\'. Exiting...', settings.getValue('SW_PRE_VALIDATOR'),
settings.getValue('SW_PRE_VALID_DIR'))
sys.exit(1)
swv_pre_ctrl = component_factory.create_swprevalidator(
loader.get_swprevalidator_class())
# First validate hyperlinks
swv_pre_ctrl.validate_hyperlinks()
# Next validate mandatory configuration
swv_pre_ctrl.validate_configuration_mandatory()
if __name__ == "__main__":
main()
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