nova/nova/tests/integrated/test_servers.py

529 lines
20 KiB
Python

# Copyright 2011 Justin Santa Barbara
# 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 datetime
import time
import zlib
from nova import context
from nova import exception
from nova.openstack.common import log as logging
from nova.openstack.common import timeutils
from nova.tests import fake_network
from nova.tests.integrated.api import client
from nova.tests.integrated import integrated_helpers
import nova.virt.fake
LOG = logging.getLogger(__name__)
class ServersTest(integrated_helpers._IntegratedTestBase):
_api_version = 'v2'
_force_delete_parameter = 'forceDelete'
_image_ref_parameter = 'imageRef'
_flavor_ref_parameter = 'flavorRef'
_access_ipv4_parameter = 'accessIPv4'
_access_ipv6_parameter = 'accessIPv6'
_return_resv_id_parameter = 'return_reservation_id'
_min_count_parameter = 'min_count'
def setUp(self):
super(ServersTest, self).setUp()
self.conductor = self.start_service(
'conductor', manager='nova.conductor.manager.ConductorManager')
def _wait_for_state_change(self, server, from_status):
for i in xrange(0, 50):
server = self.api.get_server(server['id'])
if server['status'] != from_status:
break
time.sleep(.1)
return server
def _restart_compute_service(self, *args, **kwargs):
"""restart compute service. NOTE: fake driver forgets all instances."""
self.compute.kill()
self.compute = self.start_service('compute', *args, **kwargs)
def test_get_servers(self):
# Simple check that listing servers works.
servers = self.api.get_servers()
for server in servers:
LOG.debug("server: %s" % server)
def test_create_server_with_error(self):
# Create a server which will enter error state.
fake_network.set_stub_network_methods(self.stubs)
def throw_error(*args, **kwargs):
raise exception.BuildAbortException(reason='',
instance_uuid='fake')
self.stubs.Set(nova.virt.fake.FakeDriver, 'spawn', throw_error)
server = self._build_minimal_create_server_request()
created_server = self.api.post_server({"server": server})
created_server_id = created_server['id']
found_server = self.api.get_server(created_server_id)
self.assertEqual(created_server_id, found_server['id'])
found_server = self._wait_for_state_change(found_server, 'BUILD')
self.assertEqual('ERROR', found_server['status'])
self._delete_server(created_server_id)
def test_create_and_delete_server(self):
# Creates and deletes a server.
fake_network.set_stub_network_methods(self.stubs)
# Create server
# Build the server data gradually, checking errors along the way
server = {}
good_server = self._build_minimal_create_server_request()
post = {'server': server}
# Without an imageRef, this throws 500.
# TODO(justinsb): Check whatever the spec says should be thrown here
self.assertRaises(client.OpenStackApiException,
self.api.post_server, post)
# With an invalid imageRef, this throws 500.
server[self._image_ref_parameter] = self.get_invalid_image()
# TODO(justinsb): Check whatever the spec says should be thrown here
self.assertRaises(client.OpenStackApiException,
self.api.post_server, post)
# Add a valid imageRef
server[self._image_ref_parameter] = good_server.get(
self._image_ref_parameter)
# Without flavorRef, this throws 500
# TODO(justinsb): Check whatever the spec says should be thrown here
self.assertRaises(client.OpenStackApiException,
self.api.post_server, post)
server[self._flavor_ref_parameter] = good_server.get(
self._flavor_ref_parameter)
# Without a name, this throws 500
# TODO(justinsb): Check whatever the spec says should be thrown here
self.assertRaises(client.OpenStackApiException,
self.api.post_server, post)
# Set a valid server name
server['name'] = good_server['name']
created_server = self.api.post_server(post)
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
# Check it's there
found_server = self.api.get_server(created_server_id)
self.assertEqual(created_server_id, found_server['id'])
# It should also be in the all-servers list
servers = self.api.get_servers()
server_ids = [s['id'] for s in servers]
self.assertIn(created_server_id, server_ids)
found_server = self._wait_for_state_change(found_server, 'BUILD')
# It should be available...
# TODO(justinsb): Mock doesn't yet do this...
self.assertEqual('ACTIVE', found_server['status'])
servers = self.api.get_servers(detail=True)
for server in servers:
self.assertIn("image", server)
self.assertIn("flavor", server)
self._delete_server(created_server_id)
def _force_reclaim(self):
# Make sure that compute manager thinks the instance is
# old enough to be expired
the_past = timeutils.utcnow() + datetime.timedelta(hours=1)
timeutils.set_time_override(override_time=the_past)
ctxt = context.get_admin_context()
self.compute._reclaim_queued_deletes(ctxt)
def test_deferred_delete(self):
# Creates, deletes and waits for server to be reclaimed.
self.flags(reclaim_instance_interval=1)
fake_network.set_stub_network_methods(self.stubs)
# Create server
server = self._build_minimal_create_server_request()
created_server = self.api.post_server({'server': server})
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
# Wait for it to finish being created
found_server = self._wait_for_state_change(created_server, 'BUILD')
# It should be available...
self.assertEqual('ACTIVE', found_server['status'])
# Cannot restore unless instance is deleted
self.assertRaises(client.OpenStackApiException,
self.api.post_server_action, created_server_id,
{'restore': {}})
# Cannot forceDelete unless instance is deleted
self.assertRaises(client.OpenStackApiException,
self.api.post_server_action, created_server_id,
{'forceDelete': {}})
# Delete the server
self.api.delete_server(created_server_id)
# Wait for queued deletion
found_server = self._wait_for_state_change(found_server, 'ACTIVE')
self.assertEqual('SOFT_DELETED', found_server['status'])
self._force_reclaim()
# Wait for real deletion
self._wait_for_deletion(created_server_id)
def test_deferred_delete_restore(self):
# Creates, deletes and restores a server.
self.flags(reclaim_instance_interval=3600)
fake_network.set_stub_network_methods(self.stubs)
# Create server
server = self._build_minimal_create_server_request()
created_server = self.api.post_server({'server': server})
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
# Wait for it to finish being created
found_server = self._wait_for_state_change(created_server, 'BUILD')
# It should be available...
self.assertEqual('ACTIVE', found_server['status'])
# Delete the server
self.api.delete_server(created_server_id)
# Wait for queued deletion
found_server = self._wait_for_state_change(found_server, 'ACTIVE')
self.assertEqual('SOFT_DELETED', found_server['status'])
# Restore server
self.api.post_server_action(created_server_id, {'restore': {}})
# Wait for server to become active again
found_server = self._wait_for_state_change(found_server, 'DELETED')
self.assertEqual('ACTIVE', found_server['status'])
def test_deferred_delete_force(self):
# Creates, deletes and force deletes a server.
self.flags(reclaim_instance_interval=3600)
fake_network.set_stub_network_methods(self.stubs)
# Create server
server = self._build_minimal_create_server_request()
created_server = self.api.post_server({'server': server})
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
# Wait for it to finish being created
found_server = self._wait_for_state_change(created_server, 'BUILD')
# It should be available...
self.assertEqual('ACTIVE', found_server['status'])
# Delete the server
self.api.delete_server(created_server_id)
# Wait for queued deletion
found_server = self._wait_for_state_change(found_server, 'ACTIVE')
self.assertEqual('SOFT_DELETED', found_server['status'])
# Force delete server
self.api.post_server_action(created_server_id,
{self._force_delete_parameter: {}})
# Wait for real deletion
self._wait_for_deletion(created_server_id)
def _wait_for_deletion(self, server_id):
# Wait (briefly) for deletion
for _retries in range(50):
try:
found_server = self.api.get_server(server_id)
except client.OpenStackApiNotFoundException:
found_server = None
LOG.debug("Got 404, proceeding")
break
LOG.debug("Found_server=%s" % found_server)
# TODO(justinsb): Mock doesn't yet do accurate state changes
#if found_server['status'] != 'deleting':
# break
time.sleep(.1)
# Should be gone
self.assertFalse(found_server)
def _delete_server(self, server_id):
# Delete the server
self.api.delete_server(server_id)
self._wait_for_deletion(server_id)
def test_create_server_with_metadata(self):
# Creates a server with metadata.
fake_network.set_stub_network_methods(self.stubs)
# Build the server data gradually, checking errors along the way
server = self._build_minimal_create_server_request()
metadata = {}
for i in range(30):
metadata['key_%s' % i] = 'value_%s' % i
server['metadata'] = metadata
post = {'server': server}
created_server = self.api.post_server(post)
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
found_server = self.api.get_server(created_server_id)
self.assertEqual(created_server_id, found_server['id'])
self.assertEqual(metadata, found_server.get('metadata'))
# The server should also be in the all-servers details list
servers = self.api.get_servers(detail=True)
server_map = dict((server['id'], server) for server in servers)
found_server = server_map.get(created_server_id)
self.assertTrue(found_server)
# Details do include metadata
self.assertEqual(metadata, found_server.get('metadata'))
# The server should also be in the all-servers summary list
servers = self.api.get_servers(detail=False)
server_map = dict((server['id'], server) for server in servers)
found_server = server_map.get(created_server_id)
self.assertTrue(found_server)
# Summary should not include metadata
self.assertFalse(found_server.get('metadata'))
# Cleanup
self._delete_server(created_server_id)
def test_create_and_rebuild_server(self):
# Rebuild a server with metadata.
fake_network.set_stub_network_methods(self.stubs)
# create a server with initially has no metadata
server = self._build_minimal_create_server_request()
server_post = {'server': server}
metadata = {}
for i in range(30):
metadata['key_%s' % i] = 'value_%s' % i
server_post['server']['metadata'] = metadata
created_server = self.api.post_server(server_post)
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
created_server = self._wait_for_state_change(created_server, 'BUILD')
# rebuild the server with metadata and other server attributes
post = {}
post['rebuild'] = {
self._image_ref_parameter: "76fa36fc-c930-4bf3-8c8a-ea2a2420deb6",
"name": "blah",
self._access_ipv4_parameter: "172.19.0.2",
self._access_ipv6_parameter: "fe80::2",
"metadata": {'some': 'thing'},
}
post['rebuild'].update(self._get_access_ips_params())
self.api.post_server_action(created_server_id, post)
LOG.debug("rebuilt server: %s" % created_server)
self.assertTrue(created_server['id'])
found_server = self.api.get_server(created_server_id)
self.assertEqual(created_server_id, found_server['id'])
self.assertEqual({'some': 'thing'}, found_server.get('metadata'))
self.assertEqual('blah', found_server.get('name'))
self.assertEqual(post['rebuild'][self._image_ref_parameter],
found_server.get('image')['id'])
self._verify_access_ips(found_server)
# rebuild the server with empty metadata and nothing else
post = {}
post['rebuild'] = {
self._image_ref_parameter: "76fa36fc-c930-4bf3-8c8a-ea2a2420deb6",
"metadata": {},
}
self.api.post_server_action(created_server_id, post)
LOG.debug("rebuilt server: %s" % created_server)
self.assertTrue(created_server['id'])
found_server = self.api.get_server(created_server_id)
self.assertEqual(created_server_id, found_server['id'])
self.assertEqual({}, found_server.get('metadata'))
self.assertEqual('blah', found_server.get('name'))
self.assertEqual(post['rebuild'][self._image_ref_parameter],
found_server.get('image')['id'])
self._verify_access_ips(found_server)
# Cleanup
self._delete_server(created_server_id)
def _get_access_ips_params(self):
return {self._access_ipv4_parameter: "172.19.0.2",
self._access_ipv6_parameter: "fe80::2"}
def _verify_access_ips(self, server):
self.assertEqual('172.19.0.2',
server[self._access_ipv4_parameter])
self.assertEqual('fe80::2', server[self._access_ipv6_parameter])
def test_rename_server(self):
# Test building and renaming a server.
fake_network.set_stub_network_methods(self.stubs)
# Create a server
server = self._build_minimal_create_server_request()
created_server = self.api.post_server({'server': server})
LOG.debug("created_server: %s" % created_server)
server_id = created_server['id']
self.assertTrue(server_id)
# Rename the server to 'new-name'
self.api.put_server(server_id, {'server': {'name': 'new-name'}})
# Check the name of the server
created_server = self.api.get_server(server_id)
self.assertEqual(created_server['name'], 'new-name')
# Cleanup
self._delete_server(server_id)
def test_create_multiple_servers(self):
# Creates multiple servers and checks for reservation_id.
# Create 2 servers, setting 'return_reservation_id, which should
# return a reservation_id
server = self._build_minimal_create_server_request()
server[self._min_count_parameter] = 2
server[self._return_resv_id_parameter] = True
post = {'server': server}
response = self.api.post_server(post)
self.assertIn('reservation_id', response)
reservation_id = response['reservation_id']
self.assertNotIn(reservation_id, ['', None])
# Create 1 more server, which should not return a reservation_id
server = self._build_minimal_create_server_request()
post = {'server': server}
created_server = self.api.post_server(post)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
# lookup servers created by the first request.
servers = self.api.get_servers(detail=True,
search_opts={'reservation_id': reservation_id})
server_map = dict((server['id'], server) for server in servers)
found_server = server_map.get(created_server_id)
# The server from the 2nd request should not be there.
self.assertIsNone(found_server)
# Should have found 2 servers.
self.assertEqual(len(server_map), 2)
# Cleanup
self._delete_server(created_server_id)
for server_id in server_map.iterkeys():
self._delete_server(server_id)
def test_create_server_with_injected_files(self):
# Creates a server with injected_files.
fake_network.set_stub_network_methods(self.stubs)
personality = []
# Inject a text file
data = 'Hello, World!'
personality.append({
'path': '/helloworld.txt',
'contents': data.encode('base64'),
})
# Inject a binary file
data = zlib.compress('Hello, World!')
personality.append({
'path': '/helloworld.zip',
'contents': data.encode('base64'),
})
# Create server
server = self._build_minimal_create_server_request()
server['personality'] = personality
post = {'server': server}
created_server = self.api.post_server(post)
LOG.debug("created_server: %s" % created_server)
self.assertTrue(created_server['id'])
created_server_id = created_server['id']
# Check it's there
found_server = self.api.get_server(created_server_id)
self.assertEqual(created_server_id, found_server['id'])
found_server = self._wait_for_state_change(found_server, 'BUILD')
self.assertEqual('ACTIVE', found_server['status'])
# Cleanup
self._delete_server(created_server_id)
class ServersTestV3(client.TestOpenStackClientV3Mixin, ServersTest):
_force_delete_parameter = 'force_delete'
_api_version = 'v3'
_image_ref_parameter = 'image_ref'
_flavor_ref_parameter = 'flavor_ref'
_return_resv_id_parameter = 'os-multiple-create:return_reservation_id'
_min_count_parameter = 'os-multiple-create:min_count'
_access_ipv4_parameter = None
_access_ipv6_parameter = None
def _get_access_ips_params(self):
return {}
def _verify_access_ips(self, server):
# NOTE(alexxu): access_ips was demoted as extensions in v3 api.
# So skips verifying access_ips
pass