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# 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.
import logging
import os
import re
from cliff.command import Command
from cliff.show import ShowOne
import yaml
import json
class Add_definition(Command):
"Add policy definition in a tosca file"
log = logging.getLogger(__name__)
def get_parser(self, prog_name):
parser = super(Add_definition, self).get_parser(prog_name)
parser.add_argument('--policy_name', dest='policy_name', required=True,
help='add policy name')
parser.add_argument('--policy_type', dest='policy_type', required=True,
help='belongs to policy type')
parser.add_argument('--targets', dest='targets', nargs='*',
help='specify N number of targets')
parser.add_argument('--metadata', dest='metadata', nargs='?',
help='metadata')
parser.add_argument('--description', dest='description', nargs='?',
help='description')
parser.add_argument('--properties', dest='properties', nargs='+',
help='properties')
parser.add_argument('--triggers', dest='triggers', nargs='*',
help='triggers')
parser.add_argument('--source', dest='source', nargs='?',
help='source tosca yaml file')
return parser
def take_action(self, parsed_args):
inputfile = open(parsed_args.source, 'r').readlines()
policy_def = 0
policy_type = 0
policy_type = self.check_policy_type(parsed_args)
policy_def = self.check_definition(parsed_args)
if policy_def == 0 and policy_type == 0:
self.insert_policy_def(parsed_args)
def check_definition(self, parsed_args):
filename = parsed_args.source
filehandler = open(filename, "r")
lines = filehandler.readlines()
policy_def = 0
policy_name = " - " + str(parsed_args.policy_name) + ":"
for line in lines:
if policy_name in line:
print "policy definition exists"
policy_def = 1
return policy_def
def insert_policy_def(self, parsed_args):
searchline = ' policies:\n'
f = open(parsed_args.source, "r")
lines = f.readlines()
num = lines.index(searchline)
string = lines[num + 1]
leading_spaces = len(string) - len(string.lstrip())
policy_name = "- " + str(parsed_args.policy_name) + ":"
properties = parsed_args.properties[0]
prop_str = self.make_list(properties,leading_spaces)
if (parsed_args.triggers and parsed_args.targets):
policy = "".join((leading_spaces * " ") + policy_name + "\n"
+ "".join((leading_spaces * " ")) + " type: "
+ str(parsed_args.policy_type) + "\n" + "".join((leading_spaces * " "))
+ " description: " + str(parsed_args.description) + "\n"
+ "".join((leading_spaces * " ")) + " metadata: " + str(parsed_args.metadata) + "\n"
+ "".join((leading_spaces * " ")) + " properties: \n" + "".join((leading_spaces * 2 * " ")) + prop_str
+ "targets: " + str(parsed_args.targets) + "\n"
+ "".join((leading_spaces * " ")) + " triggers: " + str(parsed_args.triggers) + "\n"
)
elif (parsed_args.triggers):
policy = "".join((leading_spaces * " ") + policy_name + "\n"
+ "".join((leading_spaces * " ")) + " type: "
+ str(parsed_args.policy_type) + "\n" + "".join((leading_spaces * " "))
+ " description: " + str(parsed_args.description) + "\n"
+ "".join((leading_spaces * " ")) + " metadata: " + str(parsed_args.metadata) + "\n"
+ "".join((leading_spaces * " ")) + " properties: \n" + "".join((leading_spaces * 2 * " ")) + prop_str
+ "".join((leading_spaces * " ")) + " triggers: " + str(parsed_args.triggers) + "\n"
)
elif (parsed_args.targets):
policy = "".join((leading_spaces * " ") + policy_name + "\n"
+ "".join((leading_spaces * " ")) + " type: "
+ str(parsed_args.policy_type) + "\n" + "".join((leading_spaces * " "))
+ " description: " + str(parsed_args.description) + "\n"
+ "".join((leading_spaces * " ")) + " metadata: " + str(parsed_args.metadata) + "\n"
+ "".join((leading_spaces * " ")) + " properties: \n" + "".join((leading_spaces * 2 * " ")) + prop_str
+ "targets: " + str(parsed_args.targets) + "\n"
)
lines.insert(num+1,policy)
f2 = open(parsed_args.source, "w")
for line in lines:
f2.write(line)
def make_list(self, properties, leading_spaces):
props = properties.split(",")
lists = []
i = 0
for p in props:
lables = p.split(":")
lists.insert(i,lables)
i = i + 1
title_list=[]
i =0
for l in lists:
title_list.insert(i,l[0])
i = i + 1
prop_title = ""
len_list = len(lists)
title_list = set(title_list)
final_list = []
i = 0
for t in title_list:
final_str = t + ":"
for l in lists:
if t == l[0]:
final_str = final_str + " " + l[1] + ","
final_str = final_str[:-1]
final_list.insert(i,final_str)
i =+ 1
prop_str = ""
for f in final_list:
prop_str = prop_str + f +"\n" + "".join((leading_spaces * 2 *" "))
return prop_str[:-1]
def check_policy_type(self, parsed_args):
policy_type = parsed_args.policy_type + ":$"
inputfile = open(parsed_args.source, 'r').readlines()
policy_exists = 0
for line in inputfile:
if re.search(policy_type, line):
print "policy type exists"
policy_exists = 1
break
return policy_exists
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