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#
# Copyright (C) 2014 Vaidas Jablonskis
#
# Author: Vaidas Jablonskis <jablonskis@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
import httpretty
import re
from urlparse import urlparse
from cloudinit import settings
from cloudinit import helpers
from cloudinit.sources import DataSourceGCE
GCE_META = {
'instance/id': '123',
'instance/zone': 'foo/bar',
'project/attributes/sshKeys': 'user:ssh-rsa AA2..+aRD0fyVw== root@server',
'instance/hostname': 'server.project-name.local',
'instance/attributes/user-data': '/bin/echo foo\n',
}
GCE_META_PARTIAL = {
'instance/id': '123',
'instance/hostname': 'server.project-name.local',
}
HEADERS = {'X-Google-Metadata-Request': 'True'}
MD_URL_RE = re.compile(r'http://metadata.google.internal./computeMetadata/v1/.*')
def _request_callback(method, uri, headers):
url_path = urlparse(uri).path
if url_path.startswith('/computeMetadata/v1/'):
path = url_path.split('/computeMetadata/v1/')[1:][0]
else:
path = None
if path in GCE_META:
return (200, headers, GCE_META.get(path))
else:
return (404, headers, '')
class TestDataSourceGCE(unittest.TestCase):
def setUp(self):
self.ds = DataSourceGCE.DataSourceGCE(
settings.CFG_BUILTIN, None,
helpers.Paths({}))
@httpretty.activate
def test_connection(self):
httpretty.register_uri(
httpretty.GET, MD_URL_RE,
body=_request_callback)
success = self.ds.get_data()
self.assertTrue(success)
req_header = httpretty.last_request().headers
self.assertDictContainsSubset(HEADERS, req_header)
@httpretty.activate
def test_metadata(self):
httpretty.register_uri(
httpretty.GET, MD_URL_RE,
body=_request_callback)
self.ds.get_data()
self.assertEqual(GCE_META.get('instance/hostname'),
self.ds.get_hostname())
self.assertEqual(GCE_META.get('instance/id'),
self.ds.get_instance_id())
self.assertEqual(GCE_META.get('instance/zone'),
self.ds.availability_zone)
self.assertEqual(GCE_META.get('instance/attributes/user-data'),
self.ds.get_userdata_raw())
# we expect a list of public ssh keys with user names stripped
self.assertEqual(['ssh-rsa AA2..+aRD0fyVw== root@server'],
self.ds.get_public_ssh_keys())
# test partial metadata (missing user-data in particular)
@httpretty.activate
def test_metadata_partial(self):
httpretty.register_uri(
httpretty.GET, MD_URL_RE,
body=_request_callback)
self.ds.get_data()
self.assertEqual(GCE_META_PARTIAL.get('instance/id'),
self.ds.get_instance_id())
self.assertEqual(GCE_META_PARTIAL.get('instance/hostname'),
self.ds.get_hostname())
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