validations-common/validations_common/validation.py

250 lines
10 KiB
Python
Executable File

#!/usr/bin/env python
# Copyright 2020 Red Hat, Inc.
#
# 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.
"""
Uses `validations_libs`_.
.. _validations_libs: https://opendev.org/openstack/validations-libs
"""
import argparse
import json
import logging
import sys
from prettytable import PrettyTable
from validations_libs.validation_actions import ValidationActions
from validations_libs import constants
DESCRIPTION = "Run, show or list Validations."
EPILOG = "Example: ./validation run --validation check-ftype,512e"
# PrettyTable
RED = "\033[1;31m"
GREEN = "\033[0;32m"
CYAN = "\033[36m"
RESET = "\033[0;0m"
class _CommaListGroupAction(argparse.Action):
def __call__(self, parser, namespace, values, option_string=None):
setattr(namespace, self.dest, values.split(','))
class _CommaListAction(argparse.Action):
def __call__(self, parser, namespace, values, option_string=None):
setattr(namespace, self.dest, values.split(','))
class ValidationsFormatter(argparse.ArgumentDefaultsHelpFormatter, argparse.RawTextHelpFormatter):
"""
Composite class inheriting from both ArgumentDefaultsHelpFormatter
and RawTextHelpFormatter.
Thus allowing for both more precise help output management
and automatic printing of default arg values.
"""
pass
class Validation(argparse.ArgumentParser):
"""Validation client implementation class"""
log = logging.getLogger(__name__ + ".Validation")
def __init__(self, description=DESCRIPTION, epilog=EPILOG):
"""Init validation paser"""
super(Validation, self).__init__(
description=DESCRIPTION,
epilog=EPILOG,
formatter_class=ValidationsFormatter)
def parser(self, parser):
"""Argument parser for validation"""
parser.add_argument('action',
choices=['run', 'list', 'show'],
help=(
'Validation Action: \n'
' run:\n launches validations specified by '
'the --group or --validation args. \n'
' list:\n prints list of available validations,'
'including their groups. \n'
' show:\n prints list of validations executions and related info.'
))
parser.add_argument('--inventory', '-i', type=str,
default="localhost",
help=(
"Either a path of the Ansible inventory file, \n"
"or a comma-separated list of hosts. \n"
))
parser.add_argument('--extra-vars', action='store',
nargs='+',
help="Extra ansible variables")
parser.add_argument('--validation', '-v',
metavar='<validation_id>[,<validation_id>,...]',
dest="validation_name",
action=_CommaListAction,
default=[],
help=("Run specific validations, \n"
"if more than one validation is required \n"
"separate the names with commas: \n"
"--validation check-ftype,512e | \n"
"--validation 512e \n"))
parser.add_argument('--group', '-g',
metavar='<group>[,<group>,...]',
action=_CommaListGroupAction,
default=[],
help=("Run specific group of validations, \n"
"if more than one group is required \n"
"separate the group names with commas: \n"
"--group pre-upgrade,prep | \n"
"--group openshift-on-openstack \n"))
parser.add_argument('--quiet', action='store_true',
help=("Run Ansible in silent mode. \n"))
parser.add_argument('--validation-dir', dest='validation_dir',
default=constants.ANSIBLE_VALIDATION_DIR,
help=("Path where the validation playbooks "
"are located. \n"))
parser.add_argument('--ansible-base-dir', dest='ansible_base_dir',
default=constants.DEFAULT_VALIDATIONS_BASEDIR,
help=("Path where the ansible roles, library \n"
"and plugins are located. \n"))
parser.add_argument('--output-log', dest='output_log',
default=None,
help=("Path where the run result will be stored. \n"))
return parser.parse_args()
def _print_dict_table(self, data):
"""Print table from python dict with PrettyTable"""
t = PrettyTable(border=True, header=True, padding_width=1)
# Set Field name by getting the result dict keys
try:
t.field_names = data[0].keys()
t.align = 'l'
except KeyError:
raise KeyError()
for r in data:
if r.get('Status_by_Host'):
h = []
for host in r['Status_by_Host'].split(', '):
_name, _status = host.split(',')
color = (GREEN if _status == 'PASSED' else RED)
_name = '{}{}{}'.format(color, _name, RESET)
h.append(_name)
r['Status_by_Host'] = ', '.join(h)
if r.get('Status'):
status = r.get('Status')
color = (CYAN if status in ['starting', 'running']
else GREEN if status == 'PASSED' else RED)
r['Status'] = '{}{}{}'.format(color, status, RESET)
t.add_row(r.values())
print(t)
def _print_tuple_table(self, data, status_col=None):
"""Print table from python Tuple with PrettyTable"""
if isinstance(data, tuple):
t = PrettyTable(border=True, header=True, padding_width=1)
try:
t.field_names = data[0]
t.align = 'l'
except KeyError:
raise KeyError()
for r in data[1]:
if status_col:
_result = list(r)
try:
_status = _result[status_col]
color = (GREEN if _status == 'PASSED' else RED)
_result[status_col] = '{}{}{}'.format(color,
_status,
RESET)
except ValueError:
logging.warning('No status found.')
t.add_row(_result)
else:
t.add_row(r)
print(t)
else:
raise TypeError(
(
"data must be of 'tuple' type. "
"Instead {} was provided."
).format(type(data))
)
def _write_output(self, output_log, results):
"""Write output log file as Json format"""
with open(output_log, 'w') as output:
output.write(json.dumps({'results': results}, indent=4,
sort_keys=True))
def take_action(self, parsed_args):
"""Take validation action"""
# Get parameters:
action = parsed_args.action
inventory = parsed_args.inventory
group = parsed_args.group
validation_name = parsed_args.validation_name
quiet = parsed_args.quiet
validation_dir = parsed_args.validation_dir
ansible_base_dir = parsed_args.ansible_base_dir
extra_vars = parsed_args.extra_vars
if extra_vars:
try:
extra_vars = dict(e.split("=") for e in parsed_args.extra_vars)
except ValueError as error:
msg = "extra vars option should be formed as: KEY=VALUE."
raise RuntimeError(msg) from error
v_actions = ValidationActions(validation_path=validation_dir,
group=group)
if 'run' in action:
try:
results = v_actions.run_validations(
inventory=inventory,
group=group,
validation_name=validation_name,
base_dir=ansible_base_dir,
extra_vars=extra_vars,
quiet=quiet)
except RuntimeError as e:
sys.exit(e)
if results:
if parsed_args.output_log:
self._write_output(parsed_args.output_log, results)
else:
self._print_dict_table(results)
elif 'list' in action:
results = v_actions.list_validations()
if results:
if parsed_args.output_log:
self._write_output(parsed_args.output_log, results)
else:
self._print_tuple_table(results)
elif 'show' in action:
results = v_actions.show_history(validation_name)
if results:
if parsed_args.output_log:
self._write_output(parsed_args.output_log, results)
else:
self._print_tuple_table(data=results, status_col=2)
else:
msg = "Unknown Action: {}".format(action)
raise RuntimeError(msg)
if __name__ == "__main__":
validation = Validation()
args = validation.parser(validation)
validation.take_action(args)