vmtp/credentials.py

111 lines
4.3 KiB
Python

# Copyright 2014 Cisco Systems, Inc. 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.
#
# Module for credentials in Openstack
import getpass
import os
import re
class Credentials(object):
def get_credentials(self):
dct = {}
dct['username'] = self.rc_username
dct['password'] = self.rc_password
dct['auth_url'] = self.rc_auth_url
dct['tenant_name'] = self.rc_tenant_name
return dct
def get_nova_credentials(self):
dct = {}
dct['username'] = self.rc_username
dct['api_key'] = self.rc_password
dct['auth_url'] = self.rc_auth_url
dct['project_id'] = self.rc_tenant_name
return dct
def get_nova_credentials_v2(self):
dct = self.get_nova_credentials()
dct['version'] = 2
return dct
#
# Read a openrc file and take care of the password
# The 2 args are passed from the command line and can be None
#
def __init__(self, openrc_file, pwd, no_env):
self.rc_password = None
self.rc_username = None
self.rc_tenant_name = None
self.rc_auth_url = None
success = True
if openrc_file:
if os.path.exists(openrc_file):
export_re = re.compile('export OS_([A-Z_]*)="?(.*)')
for line in open(openrc_file):
line = line.strip()
mstr = export_re.match(line)
if mstr:
# get rif of posible trailing double quote
# the first one was removed by the re
name = mstr.group(1)
value = mstr.group(2)
if value.endswith('"'):
value = value[:-1]
# get rid of password assignment
# echo "Please enter your OpenStack Password: "
# read -sr OS_PASSWORD_INPUT
# export OS_PASSWORD=$OS_PASSWORD_INPUT
if value.startswith('$'):
continue
# now match against wanted variable names
if name == 'USERNAME':
self.rc_username = value
elif name == 'AUTH_URL':
self.rc_auth_url = value
elif name == 'TENANT_NAME':
self.rc_tenant_name = value
else:
print 'Error: rc file does not exist %s' % (openrc_file)
success = False
elif not no_env:
# no openrc file passed - we assume the variables have been
# sourced by the calling shell
# just check that they are present
for varname in ['OS_USERNAME', 'OS_AUTH_URL', 'OS_TENANT_NAME']:
if varname not in os.environ:
print 'Warning: %s is missing' % (varname)
success = False
if success:
self.rc_username = os.environ['OS_USERNAME']
self.rc_auth_url = os.environ['OS_AUTH_URL']
self.rc_tenant_name = os.environ['OS_TENANT_NAME']
# always override with CLI argument if provided
if pwd:
self.rc_password = pwd
# if password not know, check from env variable
elif self.rc_auth_url and not self.rc_password and success:
if 'OS_PASSWORD' in os.environ and not no_env:
self.rc_password = os.environ['OS_PASSWORD']
else:
# interactively ask for password
self.rc_password = getpass.getpass(
'Please enter your OpenStack Password: ')
if not self.rc_password:
self.rc_password = ""