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##############################################################################
# Copyright (c) 2017 ZTE Coreporation and others.
# feng.xiaowei@zte.com.cn
# 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
##############################################################################
from collections import defaultdict
import re
from keystoneauth1 import loading
from keystoneauth1 import session
class Keystoneauth(object):
def __init__(self, openrc=None):
self.openrc = openrc if openrc else '/etc/kolla/admin-openrc.sh'
@property
def session(self):
auth = self._get_auth()
return session.Session(auth=auth)
def _get_auth(self):
loader = loading.get_plugin_loader('password')
creds = self._parse_credentials(self._parse_openrc())
return loader.load_from_options(**creds)
def _parse_openrc(self):
def parse_line(creds, line):
var = line.rstrip('"\n').replace('export ', '').split("=")
# The two next lines should be modified as soon as rc_file
# conforms with common rules. Be aware that it could induce
# issues if value starts with '
key = re.sub(r'^["\' ]*|[ \'"]*$', '', var[0])
value = re.sub(r'^["\' ]*|[ \'"]*$', '', "".join(var[1:]))
creds[key] = value
return creds
with open(self.openrc, "r") as f:
return reduce(parse_line, f.readlines(), defaultdict(dict))
@staticmethod
def _parse_credentials(raws):
maps = {
'OS_USERNAME': 'username',
'OS_PASSWORD': 'password',
'OS_AUTH_URL': 'auth_url',
'OS_TENANT_NAME': 'tenant_name',
'OS_USER_DOMAIN_NAME': 'user_domain_name',
'OS_PROJECT_DOMAIN_NAME': 'project_domain_name',
'OS_PROJECT_NAME': 'project_name',
'OS_ENDPOINT_TYPE': 'endpoint_type',
'OS_REGION_NAME': 'region_name'
}
def parse_credential(creds, kv):
(cred_k, cred_v) = kv
creds[maps[cred_k]] = cred_v
return creds
return reduce(parse_credential,
[(k, v) for (k, v) in raws.iteritems() if k in maps],
defaultdict(dict))
class ClientBase(Keystoneauth):
def __init__(self, klass, version, openrc):
super(ClientBase, self).__init__(openrc)
self.client = klass(version, session=self.session)
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