111 lines
3.4 KiB
Python
111 lines
3.4 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import posixpath
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from oslo.config import cfg
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from cloudbaseinit.metadata.services import base
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from cloudbaseinit.openstack.common import log as logging
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from cloudbaseinit.utils import x509constants
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opts = [
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cfg.StrOpt('metadata_base_url', default='http://169.254.169.254/',
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help='The base URL where the service looks for metadata'),
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]
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CONF = cfg.CONF
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CONF.register_opts(opts)
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LOG = logging.getLogger(__name__)
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class BaseOpenStackService(base.BaseMetadataService):
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def get_content(self, name):
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path = posixpath.normpath(
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posixpath.join('openstack', 'content', name))
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return self._get_cache_data(path)
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def get_user_data(self):
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path = posixpath.normpath(
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posixpath.join('openstack', 'latest', 'user_data'))
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return self._get_cache_data(path)
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def _get_meta_data(self, version='latest'):
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path = posixpath.normpath(
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posixpath.join('openstack', version, 'meta_data.json'))
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data = self._get_cache_data(path)
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return json.loads(data.decode('utf8'))
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def get_instance_id(self):
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return self._get_meta_data().get('uuid')
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def get_host_name(self):
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return self._get_meta_data().get('hostname')
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def get_public_keys(self):
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public_keys = self._get_meta_data().get('public_keys')
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if public_keys:
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return public_keys.values()
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def get_network_config(self):
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return self._get_meta_data().get('network_config')
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def get_admin_password(self):
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meta_data = self._get_meta_data()
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meta = meta_data.get('meta')
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if meta and 'admin_pass' in meta:
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password = meta['admin_pass']
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elif 'admin_pass' in meta_data:
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password = meta_data['admin_pass']
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else:
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password = None
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return password
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def get_client_auth_certs(self):
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cert_data = None
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meta_data = self._get_meta_data()
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meta = meta_data.get('meta')
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if meta:
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i = 0
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while True:
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# Chunking is necessary as metadata items can be
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# max. 255 chars long
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cert_chunk = meta.get('admin_cert%d' % i)
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if not cert_chunk:
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break
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if not cert_data:
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cert_data = cert_chunk
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else:
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cert_data += cert_chunk
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i += 1
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if not cert_data:
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# Look if the user_data contains a PEM certificate
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try:
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user_data = self.get_user_data()
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if user_data.startswith(x509constants.PEM_HEADER):
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cert_data = user_data
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except base.NotExistingMetadataException:
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LOG.debug("user_data metadata not present")
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if cert_data:
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return [cert_data]
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