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##############################################################################
# Copyright (c) 2017 Tim Rozet (trozet@redhat.com) and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import json
import logging
import pprint
import os
import re
from apex.common.exceptions import ApexDeployException
"""Parser functions for overcloud/openstack output"""
def parse_nova_output(in_file):
"""
Parses nova list output into a dictionary format for node name and ip
:param in_file: json format from openstack server list
:return: dictionary format for {"node name": "node ip"}
"""
if not os.path.isfile(in_file):
raise FileNotFoundError(in_file)
node_dict = dict()
with open(in_file, 'r') as fh:
nova_list = json.load(fh)
for server in nova_list:
ip_match = re.search('([0-9]+\.){3}[0-9]+', server['Networks'])
if ip_match is None:
logging.error("Unable to find IP in nova output "
"{}".format(pprint.pformat(server, indent=4)))
raise ApexDeployException("Unable to parse IP from nova output")
else:
node_dict[server['Name']] = ip_match.group(0)
if not node_dict:
raise ApexDeployException("No overcloud nodes found in: {}".format(
in_file))
return node_dict
def parse_overcloudrc(in_file):
"""
Parses overcloudrc into a dictionary format for key and value
:param in_file:
:return: dictionary format for {"variable": "value"}
"""
logging.debug("Parsing overcloudrc file {}".format(in_file))
if not os.path.isfile(in_file):
raise FileNotFoundError(in_file)
creds = {}
with open(in_file, 'r') as fh:
lines = fh.readlines()
kv_pattern = re.compile('^export\s+([^\s]+)=([^\s]+)$')
for line in lines:
if 'export' not in line:
continue
else:
res = re.search(kv_pattern, line.strip())
if res:
creds[res.group(1)] = res.group(2)
logging.debug("os cred found: {}, {}".format(res.group(1),
res.group(2)))
else:
logging.debug("os cred not found in: {}".format(line))
return creds
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