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#!/usr/bin/python
#
# Copyright (c) 2017 Cable Television Laboratories, Inc. ("CableLabs")
# and others. All rights reserved.
#
# 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.
#
# This script is responsible for deploying virtual environments
import argparse
import logging
from jinja2 import Environment, FileSystemLoader
import os
import yaml
from snaps import file_utils
from snaps.openstack.utils import launch_utils
__author__ = 'spisarski'
logger = logging.getLogger('snaps_launcher')
ARG_NOT_SET = "argument not set"
from warnings import warn
warn('This script will be removed in a subsequent release',
DeprecationWarning)
def main(arguments):
"""
Will need to set environment variable ANSIBLE_HOST_KEY_CHECKING=False or
Create a file located in /etc/ansible/ansible/cfg or ~/.ansible.cfg
containing the following content:
[defaults]
host_key_checking = False
CWD must be this directory where this script is located.
:return: To the OS
"""
log_level = logging.INFO
if arguments.log_level != 'INFO':
log_level = logging.DEBUG
logging.basicConfig(level=log_level)
logger.info('Starting to Deploy')
# Apply env_file/substitution file to template
env = Environment(loader=FileSystemLoader(
searchpath=os.path.dirname(arguments.tmplt_file)))
template = env.get_template(os.path.basename(arguments.tmplt_file))
env_dict = dict()
if arguments.env_file:
env_dict = file_utils.read_yaml(arguments.env_file)
output = template.render(**env_dict)
config = yaml.load(output)
if config:
clean = arguments.clean is not ARG_NOT_SET
clean_image = arguments.clean_image is not ARG_NOT_SET
deploy = arguments.deploy is not ARG_NOT_SET
launch_utils.launch_config(
config, arguments.tmplt_file, deploy, clean, clean_image)
else:
logger.error(
'Unable to read configuration file - ' + arguments.tmplt_file)
exit(1)
exit(0)
if __name__ == '__main__':
# To ensure any files referenced via a relative path will begin from the
# directory in which this file resides
os.chdir(os.path.dirname(os.path.realpath(__file__)))
parser = argparse.ArgumentParser()
parser.add_argument(
'-d', '--deploy', dest='deploy', nargs='?', default=ARG_NOT_SET,
help='When used, environment will be deployed and provisioned')
parser.add_argument(
'-c', '--clean', dest='clean', nargs='?', default=ARG_NOT_SET,
help='When used, the environment will be removed')
parser.add_argument(
'-i', '--clean-image', dest='clean_image', nargs='?',
default=ARG_NOT_SET,
help='When cleaning, if this is set, the image will be cleaned too')
parser.add_argument(
'-t', '--tmplt', dest='tmplt_file', required=True,
help='The SNAPS deployment template YAML file - REQUIRED')
parser.add_argument(
'-e', '--env-file', dest='env_file',
help='Yaml file containing substitution values to the env file')
parser.add_argument(
'-l', '--log-level', dest='log_level', default='INFO',
help='Logging Level (INFO|DEBUG)')
args = parser.parse_args()
if args.deploy is ARG_NOT_SET and args.clean is ARG_NOT_SET:
print(
'Must enter either -d for deploy or -c for cleaning up and '
'environment')
exit(1)
if args.deploy is not ARG_NOT_SET and args.clean is not ARG_NOT_SET:
print('Cannot enter both options -d/--deploy and -c/--clean')
exit(1)
main(args)
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