How to use detach_network_interface method in localstack

Best Python code snippet using localstack_python

test_amazon_driver.py

Source:test_amazon_driver.py

1""" AmazonDriver for Compute2    based on BaseDriver for Compute Resource3"""4import mock5from botocore.exceptions import ClientError6from calplus.tests import base7from calplus.v1.compute.drivers.amazon import AmazonDriver8fake_config_driver = {9    'driver_name': 'AMAZON1',10    'aws_access_key_id': 'fake_id',11    'aws_secret_access_key': 'fake_key',12    'region_name': 'us-east-1',13    'endpoint_url': 'http://localhost:8788',14    'limit': {15    }16}17fake_error_code = {18    'ResponseMetadata': {19        'HTTPStatusCode': 400,20        'RequestId': 'req-a4570d1a-8319-4d6f-8077-7044d72ef449',21        'HTTPHeaders': {22            'date': 'Sat, 24 Sep 2016 03:09:39 GMT',23            'content-length': '250',24            'content-type': 'text/xml'25        }26    },27    'Error': {28        'Message': "The subnet ID 'fake_id' does not exist",29        'Code': 'InvalidSubnetID.NotFound'30    }31}32fake_describe_return = {33    'Reservations': [34        {35            'Groups': [],36            'Instances': [37                {38                    'AmiLaunchIndex': 0,39                    'ImageId': 'ami-2624df94',40                    'InstanceId': 'i-72827591',41                    'InstanceType': 'm1.ec2api-alt',42                    'KernelId': 'aki-512bee3f',43                    'KeyName': '',44                    'LaunchTime': 'fake_time',45                    'NetworkInterfaces': [46                        {47                            'Attachment': {48                                'AttachTime': 'fake_time',49                                'AttachmentId': 'eni-attach-ce1477aa',50                                'DeleteOnTermination': True,51                                'DeviceIndex': 0,52                                'Status': 'attached'53                            },54                            'Description': '',55                            'Groups': [56                                {57                                    'GroupId': 'sg-9ed2e7ec',58                                    'GroupName': 'default'59                                }60                            ],61                            'MacAddress': 'fa:16:3e:27:af:a2',62                            'NetworkInterfaceId': 'eni-ce1477aa',63                            'OwnerId': '3b91bb4e974a4729b3596f8cebb9b559',64                            'PrivateIpAddress': '10.10.10.76',65                            'PrivateIpAddresses': [66                                {67                                    'Primary': True,68                                    'PrivateIpAddress': '10.10.10.76'69                                }70                            ],71                            'SourceDestCheck': True,72                            'Status': 'in-use',73                            'SubnetId': 'subnet-b3a91954',74                            'VpcId': 'vpc-9ed2e7ec'75                        }76                    ],77                    'Placement': {78                        'AvailabilityZone': ''79                    },80                    'PrivateDnsName': 'r-atxu9l73-0',81                    'PrivateIpAddress': '10.10.10.76',82                    'PublicDnsName': '',83                    'RamdiskId': 'ari-b7e05ed6',84                    'RootDeviceName': '/dev/vda',85                    'RootDeviceType': 'instance-store',86                    'SecurityGroups': [87                        {88                            'GroupId': 'sg-9ed2e7ec',89                            'GroupName': 'default'90                        }91                    ],92                    'SourceDestCheck': True,93                    'State': {94                        'Code': 0,95                        'Name': 'error'96                    },97                    'SubnetId': 'subnet-b3a91954',98                    'VpcId': 'vpc-9ed2e7ec'99                }100            ],101            'OwnerId': '3b91bb4e974a4729b3596f8cebb9b559',102            'ReservationId': 'r-atxu9l73'103        }104    ],105    'ResponseMetadata': {106        'HTTPHeaders': {107            'content-length': '2971',108            'content-type': 'text/xml',109            'date': 'Wed, 07 Dec 2016 16:17:11 GMT'110        },111        'HTTPStatusCode': 200,112        'RequestId': 'req-646be08c-9104-4855-a0d9-62013ba9566d'113    }114}115class FakeInstance(object):116    """In fact, this class is boto3.resources.factory.ec2.Instance117    """118    def __init__(self):119        super(FakeInstance, self).__init__()120    def terminate(self):121        pass122    def stop(self):123        pass124    def start(self):125        pass126    def reboot(self):127        pass128class AmazonDriverTest(base.TestCase):129    """docstring for AmazonDriverTest"""130    def setUp(self):131        super(AmazonDriverTest, self).setUp()132        self.fake_driver = AmazonDriver(fake_config_driver)133    def test_create_successfully(self):134        self.mock_object(135            self.fake_driver.resource, 'create_instances',136            mock.Mock(return_value=mock.Mock))137        self.fake_driver.create(138            'fake_image_id',139            'fake_flavor_id',140            'fake_net_id',141            'fake_name'142        )143        self.fake_driver.resource.create_instances.\144            assert_called_once_with(145                ImageId='fake_image_id',146                MinCount=1,147                MaxCount=1,148                InstanceType='fake_flavor_id',149                SubnetId='fake_net_id',150                IamInstanceProfile={151                    'Arn': '',152                    'Name': 'fake_name'153                }154            )155    def test_create_without_instance_name(self):156        self.mock_object(157            self.fake_driver.resource, 'create_instances',158            mock.Mock(return_value=mock.Mock))159        self.fake_driver.create(160            'fake_image_id',161            'fake_flavor_id',162            'fake_net_id'163        )164        self.fake_driver.resource.create_instances. \165            assert_called_once_with(166                ImageId='fake_image_id',167                MinCount=1,168                MaxCount=1,169                InstanceType='fake_flavor_id',170                SubnetId='fake_net_id',171                IamInstanceProfile={172                    'Arn': '',173                    'Name': mock.ANY174                }175            )176    def test_create_unable_to_create_instance(self):177        self.mock_object(178            self.fake_driver.resource, 'create_instances',179            mock.Mock(side_effect=ClientError(180                fake_error_code,181                'operation_name'182            ))183        )184        self.assertRaises(ClientError, self.fake_driver.create,185                'fake_image_id',186                'fake_flavor_id',187                'fake_net_id',188                'fake_name')189        self.fake_driver.resource.create_instances. \190            assert_called_once_with(191                ImageId='fake_image_id',192                MinCount=1,193                MaxCount=1,194                InstanceType='fake_flavor_id',195                SubnetId='fake_net_id',196                IamInstanceProfile={197                    'Arn': '',198                    'Name': mock.ANY199                }200            )201    def test_show_successfully(self):202        self.mock_object(203            self.fake_driver.client, 'describe_instances',204            mock.Mock(return_value=fake_describe_return))205        self.fake_driver.show('fake_id')206        self.fake_driver.client.describe_instances. \207            assert_called_once_with(InstanceIds=['fake_id'])208    def test_show_unable_to_show(self):209        self.mock_object(210            self.fake_driver.client, 'describe_instances',211            mock.Mock(side_effect=ClientError(212                fake_error_code,213                'operation_name'214            ))215        )216        self.assertRaises(ClientError,217                          self.fake_driver.show, 'fake_id')218        self.fake_driver.client.describe_instances. \219            assert_called_once_with(InstanceIds=['fake_id'])220    def test_list_successfully(self):221        self.mock_object(222            self.fake_driver.client, 'describe_instances',223            mock.Mock(return_value=fake_describe_return))224        self.fake_driver.list()225        self.fake_driver.client.describe_instances. \226            assert_called_once_with()227    def test_list_unable_to_list(self):228        self.mock_object(229            self.fake_driver.client, 'describe_instances',230            mock.Mock(side_effect=ClientError(231                fake_error_code,232                'operation_name'233            ))234        )235        self.assertRaises(ClientError,236                          self.fake_driver.list)237        self.fake_driver.client.describe_instances. \238            assert_called_once_with()239    def test_delete_successfully(self):240        self.mock_object(241            self.fake_driver.resource, 'Instance',242            mock.Mock(return_value=FakeInstance()))243        self.fake_driver.delete('fake_id')244    def test_delete_unable_to_list(self):245        self.mock_object(246            self.fake_driver.resource, 'Instance',247            mock.Mock(side_effect=ClientError(248                fake_error_code,249                'operation_name'250            ))251        )252        self.assertRaises(ClientError,253                          self.fake_driver.delete, 'fake_id')254    def test_shutdown_successfully(self):255        self.mock_object(256            self.fake_driver.resource, 'Instance',257            mock.Mock(return_value=FakeInstance()))258        self.fake_driver.shutdown('fake_id')259    def test_shutdown_unable_to_list(self):260        self.mock_object(261            self.fake_driver.resource, 'Instance',262            mock.Mock(side_effect=ClientError(263                fake_error_code,264                'operation_name'265            ))266        )267        self.assertRaises(ClientError,268                          self.fake_driver.shutdown, 'fake_id')269    def test_start_successfully(self):270        self.mock_object(271            self.fake_driver.resource, 'Instance',272            mock.Mock(return_value=FakeInstance()))273        self.fake_driver.start('fake_id')274    def test_start_unable_to_list(self):275        self.mock_object(276            self.fake_driver.resource, 'Instance',277            mock.Mock(side_effect=ClientError(278                fake_error_code,279                'operation_name'280            ))281        )282        self.assertRaises(ClientError,283                          self.fake_driver.start, 'fake_id')284    def test_reboot_successfully(self):285        self.mock_object(286            self.fake_driver.resource, 'Instance',287            mock.Mock(return_value=FakeInstance()))288        self.fake_driver.reboot('fake_id')289    def test_reboot_unable_to_list(self):290        self.mock_object(291            self.fake_driver.resource, 'Instance',292            mock.Mock(side_effect=ClientError(293                fake_error_code,294                'operation_name'295            ))296        )297        self.assertRaises(ClientError,298                          self.fake_driver.reboot, 'fake_id')299    def test_add_nic_successfully(self):300        self.mock_object(301            self.fake_driver.client, 'attach_network_interface',302            mock.Mock(return_value=mock.Mock))303        self.fake_driver.add_nic('fake_id', 'fake_net_id')304        self.fake_driver.client.attach_network_interface. \305            assert_called_once_with('fake_id', 'fake_net_id', 1)306    def test_add_nic_unable_to_add(self):307        self.mock_object(308            self.fake_driver.client, 'attach_network_interface',309            mock.Mock(side_effect=ClientError(310                fake_error_code,311                'operation_name'312            )))313        self.assertRaises(ClientError,314                          self.fake_driver.add_nic, 'fake_id', 'fake_net_id')315        self.fake_driver.client.attach_network_interface. \316            assert_called_once_with('fake_id', 'fake_net_id', 1)317    def test_delete_nic_successfully(self):318        self.mock_object(319            self.fake_driver.client, 'detach_network_interface',320            mock.Mock(return_value=mock.Mock))321        self.fake_driver.delete_nic('fake_id', 'fake_attachment_id')322        self.fake_driver.client.detach_network_interface. \323            assert_called_once_with('fake_attachment_id')324    def test_delete_nic_unable_to_delete(self):325        self.mock_object(326            self.fake_driver.client, 'detach_network_interface',327            mock.Mock(side_effect=ClientError(328                fake_error_code,329                'operation_name'330            )))331        self.assertRaises(ClientError,332            self.fake_driver.delete_nic, 'fake_id', 'fake_attachment_id')333        self.fake_driver.client.detach_network_interface. \334            assert_called_once_with('fake_attachment_id')335    def test_list_nic_successfully(self):336        self.mock_object(337            self.fake_driver.client, 'describe_instances',338            mock.Mock(return_value=fake_describe_return))339        self.fake_driver.list_nic('fake_id')340        self.fake_driver.client.describe_instances. \341            assert_called_once_with(InstanceIds=['fake_id'])342    def test_list_nic_unable_to_list(self):343        self.mock_object(344            self.fake_driver.client, 'describe_instances',345            mock.Mock(side_effect=ClientError(346                fake_error_code,347                'operation_name'348            )))349        self.assertRaises(ClientError,350                          self.fake_driver.list_nic, 'fake_id')351        self.fake_driver.client.describe_instances. \352            assert_called_once_with(InstanceIds=['fake_id'])353    def test_list_ip_successfully(self):354        self.mock_object(355            self.fake_driver.client, 'describe_instances',356            mock.Mock(return_value=fake_describe_return))357        self.fake_driver.list_ip('fake_id')358        self.fake_driver.client.describe_instances. \359            assert_called_once_with(InstanceIds=['fake_id'])360    def test_list_ip_unable_to_delete(self):361        self.mock_object(362            self.fake_driver.client, 'describe_instances',363            mock.Mock(side_effect=ClientError(364                fake_error_code,365                'operation_name'366            )))367        self.assertRaises(ClientError,368                          self.fake_driver.list_ip, 'fake_id')369        self.fake_driver.client.describe_instances. \...

aws.py

Source:aws.py

...49        status = get_network_interface_state(network_interface)50        return status == 'attached'51    except KeyError:52        return False53def detach_network_interface(network_interface):54    def get_attachment_id(boto_client, interface):55        response = boto_client.describe_network_interfaces(56            NetworkInterfaceIds=[57                interface58            ]59        )60        return response['NetworkInterfaces'][0]['Attachment']['AttachmentId']61    client = boto3.client('ec2')62    client.detach_network_interface(63        AttachmentId=get_attachment_id(client, network_interface)64    )65def ensure_network_interface_is_detached(network_interface):66    try:67        while get_network_interface_state(network_interface) != 'detached':68            time.sleep(1)69    except KeyError:70        pass71def attach_network_interface(network_interface, instance_id):72    client = boto3.client('ec2')73    for _ in xrange(10):74        try:75            client.attach_network_interface(76                NetworkInterfaceId=network_interface,77                InstanceId=instance_id,78                DeviceIndex=DEVICE_INDEX79            )80        except ClientError:81            time.sleep(1)82def configure_local_interface(local_interface, ip, netmask):83    cmd = [84        'ifconfig',85        local_interface,86        'inet',87        ip,88        'netmask',89        netmask90    ]91    for _ in xrange(10):92        os.environ['PATH'] = "%s:/sbin" % os.environ['PATH']93        env = os.environ94        proc = Popen(cmd, env=env)95        proc.communicate()96        if proc.returncode:97            time.sleep(1)98        else:99            return100def aws_notify_master(cfg):101    """The function moves network interface to local instance and brings it up.102    Steps:103    - Detach network interface if attached to anywhere.104    - Attach the network interface to the local instance.105    - Configure IP address on this instance106    :param cfg: config object107    """108    try:109        os.environ['AWS_ACCESS_KEY_ID'] = cfg.get('aws', 'aws_access_key_id')110        os.environ['AWS_SECRET_ACCESS_KEY'] = cfg.get('aws',111                                                      'aws_secret_access_key')112        os.environ['AWS_DEFAULT_REGION'] = cfg.get('aws', 'aws_default_region')113    except NoOptionError:114        LOG.error('aws_access_key_id, aws_secret_access_key and '115                  'aws_default_region must be defined in '116                  'aws section of the config file.')117        exit(-1)118    instance_id = get_my_instance_id()119    try:120        ip = cfg.get('proxysql', 'virtual_ip')121        netmask = cfg.get('proxysql', 'virtual_netmask')122        network_interface = get_network_interface(ip)123        if network_interface_attached(network_interface):124            detach_network_interface(network_interface)125        local_interface = "eth%d" % DEVICE_INDEX126        ensure_local_interface_is_gone(local_interface)127        ensure_network_interface_is_detached(network_interface)128        attach_network_interface(network_interface, instance_id)129        configure_local_interface(local_interface, ip, netmask)130    except NoOptionError as err:131        LOG.error('virtual_ip and virtual_netmask must be defined in '132                  'proxysql section of the config file.')...

test_aws.py

Source:test_aws.py

...25def test__network_interface_attached_if_side_effect_is_key_error(mocker):26    mock_get_interface_state = mocker.patch('proxysql_tools.aws.aws.get_network_interface_state')27    mock_get_interface_state.side_effect = KeyError28    assert not network_interface_attached('1.1.1.1')29def test__detach_network_interface(mocker):30    mock_boto3 = mocker.patch('proxysql_tools.aws.aws.boto3')31    mock_ec2 = MagicMock()32    mock_boto3.client.return_value = mock_ec233    detach_network_interface('stub')...

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