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# Copyright 2016 Rackspace Australia
# 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.
import fixtures
import jsonschema
import os
import requests
from oslo_serialization import jsonutils
from oslo_utils import uuidutils
from nova import test
from nova.tests import fixtures as nova_fixtures
from nova.tests.functional import fixtures as func_fixtures
from nova.tests.functional import integrated_helpers
class fake_result(object):
def __init__(self, result):
self.status_code = 200
self.text = jsonutils.dumps(result)
real_request = requests.request
def fake_request(obj, url, method, **kwargs):
if url.startswith('http://127.0.0.1:123'):
return fake_result({'a': 1, 'b': 'foo'})
if url.startswith('http://127.0.0.1:124'):
return fake_result({'c': 3})
if url.startswith('http://127.0.0.1:125'):
return fake_result(jsonutils.loads(kwargs.get('data', '{}')))
return real_request(method, url, **kwargs)
class MetadataTest(test.TestCase, integrated_helpers.InstanceHelperMixin):
def setUp(self):
super(MetadataTest, self).setUp()
self.useFixture(nova_fixtures.GlanceFixture(self))
self.useFixture(nova_fixtures.NeutronFixture(self))
self.useFixture(func_fixtures.PlacementFixture())
self.start_service('conductor')
self.start_service('scheduler')
self.api = self.useFixture(
nova_fixtures.OSAPIFixture(api_version='v2.1')).api
self.start_service('compute')
# create a server for the tests
server = self._build_server(name='test')
server = self.api.post_server({'server': server})
self.server = self._wait_for_state_change(server, 'ACTIVE')
self.api_fixture = self.useFixture(nova_fixtures.OSMetadataServer())
self.md_url = self.api_fixture.md_url
# make sure that the metadata service returns information about the
# server we created above
def fake_get_fixed_ip_by_address(self, ctxt, address):
return {'instance_uuid': server['id']}
self.useFixture(
fixtures.MonkeyPatch(
'nova.network.neutron.API.get_fixed_ip_by_address',
fake_get_fixed_ip_by_address))
def test_lookup_metadata_root_url(self):
res = requests.request('GET', self.md_url, timeout=5)
self.assertEqual(200, res.status_code)
def test_lookup_metadata_openstack_url(self):
url = '%sopenstack' % self.md_url
res = requests.request('GET', url, timeout=5,
headers={'X-Forwarded-For': '127.0.0.2'})
self.assertEqual(200, res.status_code)
def test_lookup_metadata_data_url(self):
url = '%sopenstack/latest/meta_data.json' % self.md_url
res = requests.request('GET', url, timeout=5)
self.assertEqual(200, res.status_code)
j = jsonutils.loads(res.text)
self.assertIn('hostname', j)
self.assertEqual('test.novalocal', j['hostname'])
def test_lookup_external_service(self):
self.flags(
vendordata_providers=['StaticJSON', 'DynamicJSON'],
vendordata_dynamic_targets=[
'testing@http://127.0.0.1:123',
'hamster@http://127.0.0.1:123'
],
group='api'
)
self.useFixture(fixtures.MonkeyPatch(
'keystoneauth1.session.Session.request', fake_request))
url = '%sopenstack/2016-10-06/vendor_data2.json' % self.md_url
res = requests.request('GET', url, timeout=5)
self.assertEqual(200, res.status_code)
j = jsonutils.loads(res.text)
self.assertEqual({}, j['static'])
self.assertEqual(1, j['testing']['a'])
self.assertEqual('foo', j['testing']['b'])
self.assertEqual(1, j['hamster']['a'])
self.assertEqual('foo', j['hamster']['b'])
def test_lookup_external_service_no_overwrite(self):
self.flags(
vendordata_providers=['DynamicJSON'],
vendordata_dynamic_targets=[
'testing@http://127.0.0.1:123',
'testing@http://127.0.0.1:124'
],
group='api'
)
self.useFixture(fixtures.MonkeyPatch(
'keystoneauth1.session.Session.request', fake_request))
url = '%sopenstack/2016-10-06/vendor_data2.json' % self.md_url
res = requests.request('GET', url, timeout=5)
self.assertEqual(200, res.status_code)
j = jsonutils.loads(res.text)
self.assertNotIn('static', j)
self.assertEqual(1, j['testing']['a'])
self.assertEqual('foo', j['testing']['b'])
self.assertNotIn('c', j['testing'])
def test_lookup_external_service_passes_data(self):
# Much of the data we pass to the REST service is missing because of
# the way we've created the fake instance, but we should at least try
# and ensure we're passing _some_ data through to the external REST
# service.
self.flags(
vendordata_providers=['DynamicJSON'],
vendordata_dynamic_targets=[
'testing@http://127.0.0.1:125'
],
group='api'
)
self.useFixture(fixtures.MonkeyPatch(
'keystoneauth1.session.Session.request', fake_request))
url = '%sopenstack/2016-10-06/vendor_data2.json' % self.md_url
res = requests.request('GET', url, timeout=5)
self.assertEqual(200, res.status_code)
j = jsonutils.loads(res.text)
self.assertIn('instance-id', j['testing'])
self.assertTrue(uuidutils.is_uuid_like(j['testing']['instance-id']))
self.assertIn('hostname', j['testing'])
self.assertEqual(self.server['tenant_id'], j['testing']['project-id'])
self.assertIn('metadata', j['testing'])
self.assertIn('image-id', j['testing'])
self.assertIn('user-data', j['testing'])
def test_network_data_matches_schema(self):
self.useFixture(fixtures.MonkeyPatch(
'keystoneauth1.session.Session.request', fake_request))
url = '%sopenstack/latest/network_data.json' % self.md_url
res = requests.request('GET', url, timeout=5)
self.assertEqual(200, res.status_code)
# load the jsonschema for network_data
schema_file = os.path.normpath(os.path.join(
os.path.dirname(os.path.abspath(__file__)),
"../../../doc/api_schemas/network_data.json"))
with open(schema_file, 'rb') as f:
schema = jsonutils.load(f)
jsonschema.validate(res.json(), schema)
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