kloudbuster/kloudbuster/credentials.py

190 lines
7.4 KiB
Python

# Copyright 2016 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
from keystoneauth1.identity import v2
from keystoneauth1.identity import v3
from keystoneauth1 import session
import os
import re
import kloudbuster.log as logging
LOG = logging.getLogger(__name__)
class Credentials():
def get_session(self):
dct = {
'username': self.rc_username,
'password': self.rc_password,
'auth_url': self.rc_auth_url
}
auth = None
if self.rc_identity_api_version == 3:
dct.update({
'project_name': self.rc_project_name,
'project_domain_name': self.rc_project_domain_name,
'user_domain_name': self.rc_user_domain_name
})
auth = v3.Password(**dct)
else:
dct.update({
'tenant_name': self.rc_tenant_name
})
auth = v2.Password(**dct)
return session.Session(auth=auth, verify=self.rc_cacert)
def get_user_session(self, username, password, tenant_name):
dct = {
'username': username,
'password': password,
'auth_url': self.rc_auth_url
}
auth = None
if self.rc_identity_api_version == 3:
dct.update({
'project_name': tenant_name,
'project_domain_name': self.rc_project_domain_name,
'user_domain_name': self.rc_user_domain_name
})
auth = v3.Password(**dct)
else:
dct.update({
'tenant_name': tenant_name
})
auth = v2.Password(**dct)
return session.Session(auth=auth, verify=self.rc_cacert)
def __parse_openrc(self, file):
export_re = re.compile('export OS_([A-Z_]*)="?(.*)')
for line in 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
# Check if api version is provided
# Default is keystone v2
if name == 'IDENTITY_API_VERSION':
self.rc_identity_api_version = int(value)
# now match against wanted variable names
elif name == 'USERNAME':
self.rc_username = value
elif name == 'AUTH_URL':
self.rc_auth_url = value
elif name == 'TENANT_NAME':
self.rc_tenant_name = value
elif name == "CACERT":
self.rc_cacert = value
elif name == "REGION_NAME":
self.rc_region_name = value
elif name == "PASSWORD":
self.rc_password = value
elif name == "USER_DOMAIN_NAME":
self.rc_user_domain_name = value
elif name == "PROJECT_NAME":
self.rc_project_name = value
elif name == "PROJECT_DOMAIN_NAME":
self.rc_project_domain_name = value
#
# 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, is_file=True, pwd=None, no_env=False):
self.rc_password = None
self.rc_username = None
self.rc_tenant_name = None
self.rc_auth_url = None
self.rc_cacert = None
self.rc_region_name = None
self.rc_user_domain_name = None
self.rc_project_domain_name = None
self.rc_project_name = None
self.rc_identity_api_version = 2
success = True
if openrc:
if is_file:
if os.path.exists(openrc):
self.__parse_openrc(open(openrc).readlines())
else:
LOG.error('Error: rc file does not exist %s', openrc)
success = False
else:
self.__parse_openrc(openrc)
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
if 'OS_IDENTITY_API_VERSION' in os.environ:
self.rc_identity_api_version = int(os.environ['OS_IDENTITY_API_VERSION'])
if self.rc_identity_api_version == 2:
for varname in ['OS_USERNAME', 'OS_AUTH_URL', 'OS_TENANT_NAME']:
if varname not in os.environ:
LOG.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']
if 'OS_REGION_NAME' in os.environ:
self.rc_region_name = os.environ['OS_REGION_NAME']
elif self.rc_identity_api_version == 3:
for varname in ['OS_USERNAME', 'OS_AUTH_URL', 'OS_PROJECT_NAME',
'OS_PROJECT_DOMAIN_NAME', 'OS_USER_DOMAIN_NAME']:
if varname not in os.environ:
LOG.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_project_name = os.environ['OS_PROJECT_NAME']
self.rc_project_domain_id = os.environ['OS_PROJECT_DOMAIN_NAME']
self.rc_user_domain_id = os.environ['OS_USER_DOMAIN_NAME']
if 'OS_CACERT' in os.environ:
self.rc_cacert = os.environ['OS_CACERT']
# 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 = ""