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python-ganttclient/nova/tests/cloud_unittest.py

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Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# 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 logging
from M2Crypto import BIO
from M2Crypto import RSA
import StringIO
import time
from twisted.internet import defer
import unittest
from xml.etree import ElementTree
from nova import crypto
from nova import db
from nova import flags
from nova import rpc
from nova import test
from nova import utils
from nova.auth import manager
from nova.compute import power_state
from nova.api.ec2 import context
from nova.api.ec2 import cloud
FLAGS = flags.FLAGS
class CloudTestCase(test.TrialTestCase):
def setUp(self):
super(CloudTestCase, self).setUp()
self.flags(connection_type='fake')
self.conn = rpc.Connection.instance()
logging.getLogger().setLevel(logging.DEBUG)
# set up our cloud
self.cloud = cloud.CloudController()
# set up a service
self.compute = utils.import_class(FLAGS.compute_manager)
self.compute_consumer = rpc.AdapterConsumer(connection=self.conn,
topic=FLAGS.compute_topic,
proxy=self.compute)
self.compute_consumer.attach_to_twisted()
self.manager = manager.AuthManager()
self.user = self.manager.create_user('admin', 'admin', 'admin', True)
self.project = self.manager.create_project('proj', 'admin', 'proj')
self.context = context.APIRequestContext(user=self.user,
project=self.project)
def tearDown(self):
self.manager.delete_project(self.project)
self.manager.delete_user(self.user)
super(CloudTestCase, self).tearDown()
def _create_key(self, name):
# NOTE(vish): create depends on pool, so just call helper directly
return cloud._gen_key(self.context, self.context.user.id, name)
def test_console_output(self):
if FLAGS.connection_type == 'fake':
logging.debug("Can't test instances without a real virtual env.")
return
instance_id = 'foo'
inst = yield self.compute.run_instance(instance_id)
output = yield self.cloud.get_console_output(self.context, [instance_id])
logging.debug(output)
self.assert_(output)
rv = yield self.compute.terminate_instance(instance_id)
def test_key_generation(self):
result = self._create_key('test')
private_key = result['private_key']
key = RSA.load_key_string(private_key, callback=lambda: None)
bio = BIO.MemoryBuffer()
public_key = db.key_pair_get(self.context,
self.context.user.id,
'test')['public_key']
key.save_pub_key_bio(bio)
converted = crypto.ssl_pub_to_ssh_pub(bio.read())
# assert key fields are equal
self.assertEqual(public_key.split(" ")[1].strip(),
converted.split(" ")[1].strip())
def test_describe_key_pairs(self):
self._create_key('test1')
self._create_key('test2')
result = self.cloud.describe_key_pairs(self.context)
keys = result["keypairsSet"]
self.assertTrue(filter(lambda k: k['keyName'] == 'test1', keys))
self.assertTrue(filter(lambda k: k['keyName'] == 'test2', keys))
def test_delete_key_pair(self):
self._create_key('test')
self.cloud.delete_key_pair(self.context, 'test')
def test_run_instances(self):
if FLAGS.connection_type == 'fake':
logging.debug("Can't test instances without a real virtual env.")
return
image_id = FLAGS.default_image
instance_type = FLAGS.default_instance_type
max_count = 1
kwargs = {'image_id': image_id,
'instance_type': instance_type,
'max_count': max_count}
rv = yield self.cloud.run_instances(self.context, **kwargs)
# TODO: check for proper response
instance = rv['reservationSet'][0][rv['reservationSet'][0].keys()[0]][0]
logging.debug("Need to watch instance %s until it's running..." % instance['instance_id'])
while True:
rv = yield defer.succeed(time.sleep(1))
info = self.cloud._get_instance(instance['instance_id'])
logging.debug(info['state'])
if info['state'] == power_state.RUNNING:
break
self.assert_(rv)
if connection_type != 'fake':
time.sleep(45) # Should use boto for polling here
for reservations in rv['reservationSet']:
# for res_id in reservations.keys():
# logging.debug(reservations[res_id])
# for instance in reservations[res_id]:
for instance in reservations[reservations.keys()[0]]:
logging.debug("Terminating instance %s" % instance['instance_id'])
rv = yield self.compute.terminate_instance(instance['instance_id'])
def test_instance_update_state(self):
def instance(num):
return {
'reservation_id': 'r-1',
'instance_id': 'i-%s' % num,
'image_id': 'ami-%s' % num,
'private_dns_name': '10.0.0.%s' % num,
'dns_name': '10.0.0%s' % num,
'ami_launch_index': str(num),
'instance_type': 'fake',
'availability_zone': 'fake',
'key_name': None,
'kernel_id': 'fake',
'ramdisk_id': 'fake',
'groups': ['default'],
'product_codes': None,
'state': 0x01,
'user_data': ''
}
rv = self.cloud._format_describe_instances(self.context)
self.assert_(len(rv['reservationSet']) == 0)
# simulate launch of 5 instances
# self.cloud.instances['pending'] = {}
#for i in xrange(5):
# inst = instance(i)
# self.cloud.instances['pending'][inst['instance_id']] = inst
#rv = self.cloud._format_instances(self.admin)
#self.assert_(len(rv['reservationSet']) == 1)
#self.assert_(len(rv['reservationSet'][0]['instances_set']) == 5)
# report 4 nodes each having 1 of the instances
#for i in xrange(4):
# self.cloud.update_state('instances', {('node-%s' % i): {('i-%s' % i): instance(i)}})
# one instance should be pending still
#self.assert_(len(self.cloud.instances['pending'].keys()) == 1)
# check that the reservations collapse
#rv = self.cloud._format_instances(self.admin)
#self.assert_(len(rv['reservationSet']) == 1)
#self.assert_(len(rv['reservationSet'][0]['instances_set']) == 5)
# check that we can get metadata for each instance
#for i in xrange(4):
# data = self.cloud.get_metadata(instance(i)['private_dns_name'])
# self.assert_(data['meta-data']['ami-id'] == 'ami-%s' % i)