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# Copyright 2012 Cloudbase Solutions Srl
#
# 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.
from oslo_log import log as oslo_logging
from six.moves.urllib import error
from cloudbaseinit import conf as cloudbaseinit_conf
from cloudbaseinit.metadata.services import base
from cloudbaseinit.metadata.services import baseopenstackservice as baseos
from cloudbaseinit.utils import network
CONF = cloudbaseinit_conf.CONF
LOG = oslo_logging.getLogger(__name__)
class HttpService(base.BaseHTTPMetadataService, baseos.BaseOpenStackService):
_POST_PASSWORD_MD_VER = '2013-04-04'
def __init__(self):
super(HttpService, self).__init__(
base_url=CONF.openstack.metadata_base_url,
https_allow_insecure=CONF.openstack.https_allow_insecure,
https_ca_bundle=CONF.openstack.https_ca_bundle)
self._enable_retry = True
def load(self):
super(HttpService, self).load()
if CONF.openstack.add_metadata_private_ip_route:
network.check_metadata_ip_route(CONF.openstack.metadata_base_url)
try:
self._get_meta_data()
return True
except Exception:
LOG.debug('Metadata not found at URL \'%s\'' %
CONF.openstack.metadata_base_url)
return False
def _post_data(self, path, data):
self._http_request(path, data=data)
return True
def _get_password_path(self):
return 'openstack/%s/password' % self._POST_PASSWORD_MD_VER
@property
def can_post_password(self):
try:
self._get_meta_data(self._POST_PASSWORD_MD_VER)
return True
except base.NotExistingMetadataException:
return False
@property
def is_password_set(self):
path = self._get_password_path()
return len(self._get_data(path)) > 0
def post_password(self, enc_password_b64):
try:
path = self._get_password_path()
action = lambda: self._post_data(path, enc_password_b64)
return self._exec_with_retry(action)
except error.HTTPError as ex:
if ex.code == 409:
# Password already set
return False
else:
raise