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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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 collections
import copy
import mox
from novaclient import exceptions as nova_exceptions
from heat.engine import clients
from heat.common import exception
from heat.engine import scheduler
from heat.engine.resources import nova_keypair
from heat.engine.resources import nova_utils
from heat.tests.common import HeatTestCase
from heat.tests.v1_1 import fakes
from heat.tests import utils
class NovaKeyPairTest(HeatTestCase):
kp_template = {
"heat_template_version": "2013-05-23",
"resources": {
"kp": {
"type": "OS::Nova::KeyPair",
"properties": {
"name": "key_pair"
}
}
}
}
def setUp(self):
super(NovaKeyPairTest, self).setUp()
utils.setup_dummy_db()
self.fake_nova = self.m.CreateMockAnything()
self.fake_keypairs = self.m.CreateMockAnything()
self.fake_nova.keypairs = self.fake_keypairs
def _mock_key(self, name, pub=None, priv=None):
mkey = self.m.CreateMockAnything()
mkey.id = name
mkey.name = name
if pub:
mkey.public_key = pub
if priv:
mkey.private_key = priv
return mkey
def _get_test_resource(self, template):
stack = utils.parse_stack(template)
snippet = stack.t['Resources']['kp']
kp_res = nova_keypair.KeyPair('kp', snippet, stack)
self.m.StubOutWithMock(kp_res, "nova")
kp_res.nova().MultipleTimes().AndReturn(self.fake_nova)
return kp_res
def _get_mock_kp_for_create(self, key_name, public_key=None,
priv_saved=False):
template = copy.deepcopy(self.kp_template)
template['resources']['kp']['properties']['name'] = key_name
props = template['resources']['kp']['properties']
if public_key:
props['public_key'] = public_key
gen_pk = public_key or "generated test public key"
nova_key = self._mock_key(key_name, gen_pk)
if priv_saved:
nova_key.private_key = "private key for %s" % key_name
props['save_private_key'] = True
kp_res = self._get_test_resource(template)
self.fake_keypairs.create(key_name,
public_key=public_key).AndReturn(nova_key)
return kp_res, nova_key
def test_create_key(self):
"""Test basic create."""
key_name = "generate_no_save"
tp_test, created_key = self._get_mock_kp_for_create(key_name)
self.fake_keypairs.list().AndReturn([created_key])
self.m.ReplayAll()
scheduler.TaskRunner(tp_test.create)()
self.assertEqual("", tp_test.FnGetAtt('private_key'))
self.assertEqual("generated test public key",
tp_test.FnGetAtt('public_key'))
self.assertEqual((tp_test.CREATE, tp_test.COMPLETE), tp_test.state)
self.assertEqual(tp_test.resource_id, created_key.name)
self.m.VerifyAll()
def test_delete_key(self):
"""Test basic delete."""
test_res = self._get_test_resource(self.kp_template)
test_res.resource_id = "key_name"
test_res.state_set(test_res.CREATE, test_res.COMPLETE)
self.fake_keypairs.delete("key_name").AndReturn(None)
self.m.ReplayAll()
scheduler.TaskRunner(test_res.delete)()
self.assertEqual((test_res.DELETE, test_res.COMPLETE), test_res.state)
self.m.VerifyAll()
def test_delete_key_not_found(self):
"""Test delete non-existant key."""
test_res = self._get_test_resource(self.kp_template)
test_res.resource_id = "key_name"
test_res.state_set(test_res.CREATE, test_res.COMPLETE)
(self.fake_keypairs.delete("key_name")
.AndRaise(nova_exceptions.NotFound(404)))
self.m.ReplayAll()
scheduler.TaskRunner(test_res.delete)()
self.assertEqual((test_res.DELETE, test_res.COMPLETE), test_res.state)
self.m.VerifyAll()
def test_create_pub(self):
"""Test create using existing pub key."""
key_name = "existing_key"
pk = "test_create_pub"
tp_test, created_key = self._get_mock_kp_for_create(key_name,
public_key=pk)
self.m.ReplayAll()
scheduler.TaskRunner(tp_test.create)()
self.assertEqual("", tp_test.FnGetAtt('private_key'))
self.assertEqual("test_create_pub",
tp_test.FnGetAtt('public_key'))
self.assertEqual((tp_test.CREATE, tp_test.COMPLETE), tp_test.state)
self.assertEqual(tp_test.resource_id, created_key.name)
self.m.VerifyAll()
def test_save_priv_key(self):
"""Test a saved private key."""
key_name = "save_private"
tp_test, created_key = self._get_mock_kp_for_create(key_name,
priv_saved=True)
self.fake_keypairs.list().AndReturn([created_key])
self.m.ReplayAll()
scheduler.TaskRunner(tp_test.create)()
self.assertEqual("private key for save_private",
tp_test.FnGetAtt('private_key'))
self.assertEqual("generated test public key",
tp_test.FnGetAtt('public_key'))
self.assertEqual((tp_test.CREATE, tp_test.COMPLETE), tp_test.state)
self.assertEqual(tp_test.resource_id, created_key.name)
self.m.VerifyAll()
def test_validate_okay(self):
test_res = self._get_test_resource(self.kp_template)
self.m.StubOutWithMock(nova_utils, 'get_keypair')
nova_utils.get_keypair(mox.IgnoreArg(), 'key_pair').AndRaise(
exception.UserKeyPairMissing(key_name='foo'))
self.m.ReplayAll()
self.assertIsNone(test_res.validate())
def test_validate_failure_key_exists(self):
test_res = self._get_test_resource(self.kp_template)
self.m.StubOutWithMock(nova_utils, 'get_keypair')
nova_utils.get_keypair(mox.IgnoreArg(), 'key_pair').AndReturn('foo')
self.m.ReplayAll()
exc = self.assertRaises(exception.StackValidationFailed,
test_res.validate)
self.assertIn('Cannot create KeyPair resource with a name of '
'"key_pair"', str(exc))
class KeypairConstraintTest(HeatTestCase):
def test_validation(self):
client = fakes.FakeClient()
self.m.StubOutWithMock(clients.OpenStackClients, 'nova')
clients.OpenStackClients.nova().MultipleTimes().AndReturn(client)
client.keypairs = self.m.CreateMockAnything()
key = collections.namedtuple("Key", ["name"])
key.name = "foo"
client.keypairs.list().MultipleTimes().AndReturn([key])
self.m.ReplayAll()
constraint = nova_keypair.KeypairConstraint()
self.assertFalse(constraint.validate("bar", None))
self.assertTrue(constraint.validate("foo", None))
self.assertTrue(constraint.validate("", None))
self.m.VerifyAll()
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