From 916231fd945c5e726a21decdf1b6370b2fcefe70 Mon Sep 17 00:00:00 2001 From: Isaku Yamahata Date: Sat, 23 Jul 2011 16:57:05 +0900 Subject: tests: unit tests for describe instance attribute --- nova/tests/test_cloud.py | 144 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 144 insertions(+) diff --git a/nova/tests/test_cloud.py b/nova/tests/test_cloud.py index 0f1dfb813..507b35d22 100644 --- a/nova/tests/test_cloud.py +++ b/nova/tests/test_cloud.py @@ -17,6 +17,8 @@ # under the License. import mox +import functools + from base64 import b64decode from M2Crypto import BIO from M2Crypto import RSA @@ -1438,3 +1440,145 @@ class CloudTestCase(test.TestCase): # TODO(yamahata): clean up snapshot created by CreateImage. self._restart_compute_service() + + @staticmethod + def _fake_bdm_get(ctxt, id): + return [{'volume_id': 87654321, + 'snapshot_id': None, + 'no_device': None, + 'virtual_name': None, + 'delete_on_termination': True, + 'device_name': '/dev/sdh'}, + {'volume_id': None, + 'snapshot_id': 98765432, + 'no_device': None, + 'virtual_name': None, + 'delete_on_termination': True, + 'device_name': '/dev/sdi'}, + {'volume_id': None, + 'snapshot_id': None, + 'no_device': True, + 'virtual_name': None, + 'delete_on_termination': None, + 'device_name': None}, + {'volume_id': None, + 'snapshot_id': None, + 'no_device': None, + 'virtual_name': 'ephemeral0', + 'delete_on_termination': None, + 'device_name': '/dev/sdb'}, + {'volume_id': None, + 'snapshot_id': None, + 'no_device': None, + 'virtual_name': 'swap', + 'delete_on_termination': None, + 'device_name': '/dev/sdc'}, + {'volume_id': None, + 'snapshot_id': None, + 'no_device': None, + 'virtual_name': 'ephemeral1', + 'delete_on_termination': None, + 'device_name': '/dev/sdd'}, + {'volume_id': None, + 'snapshot_id': None, + 'no_device': None, + 'virtual_name': 'ephemeral2', + 'delete_on_termination': None, + 'device_name': '/dev/sd3'}, + ] + + def test_get_instance_mapping(self): + """Make sure that _get_instance_mapping works""" + ctxt = None + instance_ref0 = {'id': 0, + 'root_device_name': None} + instance_ref1 = {'id': 0, + 'root_device_name': '/dev/sda1'} + + self.stubs.Set(db, 'block_device_mapping_get_all_by_instance', + self._fake_bdm_get) + + expected = {'ami': 'sda1', + 'root': '/dev/sda1', + 'ephemeral0': '/dev/sdb', + 'swap': '/dev/sdc', + 'ephemeral1': '/dev/sdd', + 'ephemeral2': '/dev/sd3'} + + self.assertEqual(self.cloud._get_instance_mapping(ctxt, instance_ref0), + cloud._DEFAULT_MAPPINGS) + self.assertEqual(self.cloud._get_instance_mapping(ctxt, instance_ref1), + expected) + + def test_describe_instance_attribute(self): + """Make sure that describe_instance_attribute works""" + self.stubs.Set(db, 'block_device_mapping_get_all_by_instance', + self._fake_bdm_get) + + def fake_get(ctxt, instance_id): + return { + 'id': 0, + 'root_device_name': '/dev/sdh', + 'security_groups': [{'name': 'fake0'}, {'name': 'fake1'}], + 'state_description': 'stopping', + 'instance_type': {'name': 'fake_type'}, + 'kernel_id': 1, + 'ramdisk_id': 2, + 'user_data': 'fake-user data', + } + self.stubs.Set(self.cloud.compute_api, 'get', fake_get) + + def fake_volume_get(ctxt, volume_id, session=None): + if volume_id == 87654321: + return {'id': volume_id, + 'attach_time': '13:56:24', + 'status': 'in-use'} + raise exception.VolumeNotFound(volume_id=volume_id) + self.stubs.Set(db.api, 'volume_get', fake_volume_get) + + get_attribute = functools.partial( + self.cloud.describe_instance_attribute, + self.context, 'i-12345678') + + bdm = get_attribute('blockDeviceMapping') + bdm['blockDeviceMapping'].sort() + + expected_bdm = {'instance_id': 'i-12345678', + 'rootDeviceType': 'ebs', + 'blockDeviceMapping': [ + {'deviceName': '/dev/sdh', + 'ebs': {'status': 'in-use', + 'deleteOnTermination': True, + 'volumeId': 87654321, + 'attachTime': '13:56:24'}}]} + expected_bdm['blockDeviceMapping'].sort() + self.assertEqual(bdm, expected_bdm) + # NOTE(yamahata): this isn't supported + # get_attribute('disableApiTermination') + groupSet = get_attribute('groupSet') + groupSet['groupSet'].sort() + expected_groupSet = {'instance_id': 'i-12345678', + 'groupSet': [{'groupId': 'fake0'}, + {'groupId': 'fake1'}]} + expected_groupSet['groupSet'].sort() + self.assertEqual(groupSet, expected_groupSet) + self.assertEqual(get_attribute('instanceInitiatedShutdownBehavior'), + {'instance_id': 'i-12345678', + 'instanceInitiatedShutdownBehavior': 'stop'}) + self.assertEqual(get_attribute('instanceType'), + {'instance_id': 'i-12345678', + 'instanceType': 'fake_type'}) + self.assertEqual(get_attribute('kernel'), + {'instance_id': 'i-12345678', + 'kernel': 'aki-00000001'}) + self.assertEqual(get_attribute('ramdisk'), + {'instance_id': 'i-12345678', + 'ramdisk': 'ari-00000002'}) + self.assertEqual(get_attribute('rootDeviceName'), + {'instance_id': 'i-12345678', + 'rootDeviceName': '/dev/sdh'}) + # NOTE(yamahata): this isn't supported + # get_attribute('sourceDestCheck') + self.assertEqual(get_attribute('userData'), + {'instance_id': 'i-12345678', + 'userData': '}\xa9\x1e\xba\xc7\xabu\xabZ'}) -- cgit