Esempio n. 1
0
    def release_address(self, context, public_ip, allocation_id):
        neutron = clients.neutron(context)
        if public_ip:
            # TODO(ft): implement search in DB layer
            address = next((addr
                            for addr in db_api.get_items(context, 'eipalloc')
                            if addr['public_ip'] == public_ip), None)
            if address and _is_address_valid(context, neutron, address):
                msg = _('You must specify an allocation id when releasing a '
                        'VPC elastic IP address')
                raise exception.InvalidParameterValue(msg)
            return AddressEngineNova().release_address(context, public_ip,
                                                       None)

        address = ec2utils.get_db_item(context, allocation_id)
        if not _is_address_valid(context, neutron, address):
            raise exception.InvalidAllocationIDNotFound(id=allocation_id)
        if 'network_interface_id' in address:
            raise exception.InvalidIPAddressInUse(
                ip_address=address['public_ip'])

        with common.OnCrashCleaner() as cleaner:
            db_api.delete_item(context, address['id'])
            cleaner.addCleanup(db_api.restore_item, context, 'eipalloc',
                               address)
            try:
                neutron.delete_floatingip(address['os_id'])
            except neutron_exception.NotFound:
                pass
Esempio n. 2
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    def release_address(self, context, public_ip, allocation_id):
        neutron = clients.neutron(context)
        if public_ip:
            # TODO(ft): implement search in DB layer
            address = next((addr for addr in
                            db_api.get_items(context, 'eipalloc')
                            if addr['public_ip'] == public_ip), None)
            if address and _is_address_valid(context, neutron, address):
                msg = _('You must specify an allocation id when releasing a '
                        'VPC elastic IP address')
                raise exception.InvalidParameterValue(msg)
            os_floating_ip = self.get_os_floating_ip_by_public_ip(context,
                                                                  public_ip)
            try:
                neutron.delete_floatingip(os_floating_ip['id'])
            except neutron_exception.NotFound:
                pass
            return

        address = ec2utils.get_db_item(context, allocation_id)
        if not _is_address_valid(context, neutron, address):
            raise exception.InvalidAllocationIDNotFound(
                id=allocation_id)

        if 'network_interface_id' in address:
            if CONF.disable_ec2_classic:
                network_interface_id = address['network_interface_id']
                network_interface = db_api.get_item_by_id(context,
                                                          network_interface_id)
                default_vpc = ec2utils.check_and_create_default_vpc(context)
                if default_vpc:
                    default_vpc_id = default_vpc['id']
                if (network_interface and
                        network_interface['vpc_id'] == default_vpc_id):
                    association_id = ec2utils.change_ec2_id_kind(address['id'],
                                                                 'eipassoc')
                    self.disassociate_address(
                        context, association_id=association_id)
                else:
                    raise exception.InvalidIPAddressInUse(
                        ip_address=address['public_ip'])
            else:
                raise exception.InvalidIPAddressInUse(
                    ip_address=address['public_ip'])

        with common.OnCrashCleaner() as cleaner:
            db_api.delete_item(context, address['id'])
            cleaner.addCleanup(db_api.restore_item, context,
                               'eipalloc', address)
            try:
                neutron.delete_floatingip(address['os_id'])
            except neutron_exception.NotFound:
                pass
Esempio n. 3
0
    def associate_address(self,
                          context,
                          public_ip=None,
                          instance_id=None,
                          allocation_id=None,
                          network_interface_id=None,
                          private_ip_address=None,
                          allow_reassociation=False):
        instance_network_interfaces = []
        if instance_id:
            # TODO(ft): implement search in DB layer
            for eni in db_api.get_items(context, 'eni'):
                if instance_id and eni.get('instance_id') == instance_id:
                    instance_network_interfaces.append(eni)

        neutron = clients.neutron(context)
        if public_ip:
            if instance_network_interfaces:
                msg = _('You must specify an allocation id when mapping '
                        'an address to a VPC instance')
                raise exception.InvalidParameterCombination(msg)
            # TODO(ft): implement search in DB layer
            address = next((addr
                            for addr in db_api.get_items(context, 'eipalloc')
                            if addr['public_ip'] == public_ip), None)
            if address and _is_address_valid(context, neutron, address):
                msg = _("The address '%(public_ip)s' does not belong to you.")
                raise exception.AuthFailure(msg % {'public_ip': public_ip})

            # NOTE(ft): in fact only the first two parameters are used to
            # associate an address in EC2 Classic mode. Other parameters are
            # sent to validate their emptiness in one place
            return AddressEngineNova().associate_address(
                context,
                public_ip=public_ip,
                instance_id=instance_id,
                allocation_id=allocation_id,
                network_interface_id=network_interface_id,
                private_ip_address=private_ip_address,
                allow_reassociation=allow_reassociation)

        if instance_id:
            if not instance_network_interfaces:
                # NOTE(ft): check the instance exists
                ec2utils.get_db_item(context, instance_id)
                msg = _('You must specify an IP address when mapping '
                        'to a non-VPC instance')
                raise exception.InvalidParameterCombination(msg)
            if len(instance_network_interfaces) > 1:
                raise exception.InvalidInstanceId(instance_id=instance_id)
            network_interface = instance_network_interfaces[0]
        else:
            network_interface = ec2utils.get_db_item(context,
                                                     network_interface_id)
        if not private_ip_address:
            private_ip_address = network_interface['private_ip_address']

        address = ec2utils.get_db_item(context, allocation_id)
        if not _is_address_valid(context, neutron, address):
            raise exception.InvalidAllocationIDNotFound(id=allocation_id)

        if address.get('network_interface_id') == network_interface['id']:
            # NOTE(ft): idempotent call
            pass
        elif address.get('network_interface_id') and not allow_reassociation:
            msg = _('resource %(eipalloc_id)s is already associated with '
                    'associate-id %(eipassoc_id)s')
            msg = msg % {
                'eipalloc_id':
                allocation_id,
                'eipassoc_id':
                ec2utils.change_ec2_id_kind(address['id'], 'eipassoc')
            }
            raise exception.ResourceAlreadyAssociated(msg)
        else:
            internet_gateways = (
                internet_gateway_api.describe_internet_gateways(
                    context,
                    filter=[{
                        'name': 'attachment.vpc-id',
                        'value': [network_interface['vpc_id']]
                    }])['internetGatewaySet'])
            if len(internet_gateways) == 0:
                msg = _('Network %(vpc_id)s is not attached to any internet '
                        'gateway') % {
                            'vpc_id': network_interface['vpc_id']
                        }
                raise exception.GatewayNotAttached(msg)

            with common.OnCrashCleaner() as cleaner:
                _associate_address_item(context, address,
                                        network_interface['id'],
                                        private_ip_address)
                cleaner.addCleanup(_disassociate_address_item, context,
                                   address)

                os_floating_ip = {
                    'port_id': network_interface['os_id'],
                    'fixed_ip_address': private_ip_address
                }
                neutron.update_floatingip(address['os_id'],
                                          {'floatingip': os_floating_ip})
        # TODO(ft): generate unique association id for each act of association
        return ec2utils.change_ec2_id_kind(address['id'], 'eipassoc')