Support for grant request with Synchronous response

Supported grant for the following sequences:
   Instantiation
   Healing
   Scaling
   Termination

Implements: blueprint support-vnfm-operations
Spec: https://specs.openstack.org/openstack/tacker-specs/specs/victoria/support-sol003-vnfm-operations.html

Change-Id: I47a6a995dc25256eb1bd10f2e03a1f810fdb3f69

tacker/api/vnflcm/v1/controller.py

@@ -455,7 +455,7 @@ class VnfLcmController(wsgi.Controller):
                     'vnfInstance': {
                         'href': self._get_vnf_instance_href(vnf_instance)}}}
 
-            # call sendNotification
+            # call send_notification
             self.rpc_api.send_notification(context, notification)
 
             result = self._view_builder.create(vnf_instance)

tacker/conductor/conductor_server.py

@@ -25,7 +25,6 @@ import time
 import traceback
 import yaml
 
-
 from glance_store import exceptions as store_exceptions
 from oslo_config import cfg
 from oslo_log import log as logging
@@ -51,6 +50,7 @@ from tacker.common import utils
 import tacker.conf
 from tacker import context as t_context
 from tacker.db.common_services import common_services_db
+from tacker.db.db_sqlalchemy import models
 from tacker.db.nfvo import nfvo_db
 from tacker.db.vnfm import vnfm_db
 from tacker.extensions import nfvo
@@ -66,6 +66,7 @@ from tacker import service as tacker_service
 from tacker import version
 from tacker.vnflcm import utils as vnflcm_utils
 from tacker.vnflcm import vnflcm_driver
+from tacker.vnfm import nfvo_client
 from tacker.vnfm import plugin
 
 CONF = tacker.conf.CONF
@@ -230,6 +231,65 @@ def revert_update_lcm(function):
     return decorated_function
 
 
+@utils.expects_func_args('vnf_instance', 'vnf_lcm_op_occ_id')
+def grant_error_common(function):
+    """Decorator to revert upload_vnf_package on failure."""
+
+    @functools.wraps(function)
+    def decorated_function(self, context, *args, **kwargs):
+        try:
+            return function(self, context, *args, **kwargs)
+        except Exception:
+            with excutils.save_and_reraise_exception():
+                wrapped_func = safe_utils.get_wrapped_function(function)
+                keyed_args = inspect.getcallargs(wrapped_func, self, context,
+                                                 *args, **kwargs)
+                context = keyed_args['context']
+                vnf_instance = keyed_args['vnf_instance']
+                vnf_lcm_op_occ_id = keyed_args['vnf_lcm_op_occ_id']
+                try:
+                    vnf_lcm_op_occs = objects.VnfLcmOpOcc.get_by_id(
+                        context, vnf_lcm_op_occ_id)
+                    timestamp = datetime.datetime.utcnow()
+                    vnf_lcm_op_occs.operation_state = 'ROLLED_BACK'
+                    vnf_lcm_op_occs.state_entered_time = timestamp
+                    vnf_lcm_op_occs.save()
+                except Exception as e:
+                    LOG.warning("Failed to update vnf_lcm_op_occ for vnf "
+                                "instance %(id)s. Error: %(error)s",
+                                {"id": vnf_instance.id, "error": e})
+
+                try:
+                    notification = {}
+                    notification['notificationType'] = \
+                        'VnfLcmOperationOccurrenceNotification'
+                    notification['vnfInstanceId'] = vnf_instance.id
+                    notification['notificationStatus'] = 'RESULT'
+                    notification['operation'] = vnf_lcm_op_occs.operation
+                    notification['operationState'] = 'ROLLED_BACK'
+                    notification['isAutomaticInvocation'] = \
+                        vnf_lcm_op_occs.is_automatic_invocation
+                    notification['vnfLcmOpOccId'] = vnf_lcm_op_occ_id
+                    insta_url = CONF.vnf_lcm.endpoint_url + \
+                        "/vnflcm/v1/vnf_instances/" + \
+                        vnf_instance.id
+                    vnflcm_url = CONF.vnf_lcm.endpoint_url + \
+                        "/vnflcm/v1/vnf_lcm_op_occs/" + \
+                        vnf_lcm_op_occ_id
+                    notification['_links'] = {}
+                    notification['_links']['vnfInstance'] = {}
+                    notification['_links']['vnfInstance']['href'] = insta_url
+                    notification['_links']['vnfLcmOpOcc'] = {}
+                    notification['_links']['vnfLcmOpOcc']['href'] = vnflcm_url
+                    self.send_notification(context, notification)
+                except Exception as e:
+                    LOG.warning("Failed notification for vnf "
+                                "instance %(id)s. Error: %(error)s",
+                                {"id": vnf_instance.id, "error": e})
+
+    return decorated_function
+
+
 class Conductor(manager.Manager):
     def __init__(self, host, conf=None):
         if conf:
@@ -661,9 +721,10 @@ class Conductor(manager.Manager):
                 vim_connection_info = objects.VimConnectionInfo.\
                     obj_from_primitive(vim_info, context)
 
-                vnflcm_utils._build_instantiated_vnf_info(vnfd_dict,
-                instantiate_vnf_req, vnf_instance,
-                vim_id=vim_connection_info.vim_id)
+                if not vnf_instance.instantiated_vnf_info.instance_id:
+                    vnflcm_utils._build_instantiated_vnf_info(
+                        vnfd_dict, instantiate_vnf_req, vnf_instance,
+                        vim_id=vim_connection_info.vim_id)
 
                 if vnf_instance.instantiated_vnf_info.instance_id:
                     self.vnf_manager.invoke(vim_connection_info.vim_type,
@@ -761,6 +822,522 @@ class Conductor(manager.Manager):
                             {'zip': csar_path, 'folder': csar_zip_temp_path,
                              'uuid': vnf_pack.id})
 
+    def _grant(self, context, grant_request):
+        LOG.info(
+            "grant start grant_request[%s]" %
+            grant_request.to_request_body())
+
+        response = nfvo_client.GrantRequest().grants(
+            json=grant_request.to_request_body())
+
+        res_body = response.json()
+        res_dict = utils.convert_camelcase_to_snakecase(res_body)
+        LOG.info("grant end res_body[%s]" % res_dict)
+        grant_obj = objects.Grant.obj_from_primitive(
+            res_dict, context=context)
+        if len(grant_request.add_resources) != len(grant_obj.add_resources):
+            msg = "grant add resource error"
+            raise exceptions.ValidationError(detail=msg)
+        if len(
+                grant_request.remove_resources) != len(
+                grant_obj.remove_resources):
+            msg = "grant remove resource error"
+            raise exceptions.ValidationError(detail=msg)
+
+        self._check_res_add_remove_rsc(context, grant_request, grant_obj)
+
+        return grant_obj
+
+    def _check_res_add_remove_rsc(self, context, grant_request, grant_obj):
+        for add_resource in grant_request.add_resources:
+            match_flg = False
+            for rsc in grant_obj.add_resources:
+                if add_resource.id == rsc.resource_definition_id:
+                    match_flg = True
+                    break
+            if not match_flg:
+                msg = "grant add resource error"
+                raise exceptions.ValidationError(detail=msg)
+
+        for remove_resource in grant_request.remove_resources:
+            match_flg = False
+            for rsc in grant_obj.remove_resources:
+                if remove_resource.id == rsc.resource_definition_id:
+                    match_flg = True
+                    break
+            if not match_flg:
+                msg = "grant remove resource error"
+                raise exceptions.ValidationError(detail=msg)
+
+    @grant_error_common
+    def _instantiate_grant(self,
+                           context,
+                           vnf_instance,
+                           vnf_dict,
+                           instantiate_vnf_request,
+                           vnf_lcm_op_occ_id):
+        vnfd_dict = vnflcm_utils._get_vnfd_dict(context,
+            vnf_dict['vnfd']['id'],
+            instantiate_vnf_request.flavour_id)
+        inst_level = instantiate_vnf_request.instantiation_level_id
+        vnf_instance.instantiated_vnf_info = objects.InstantiatedVnfInfo(
+            flavour_id=instantiate_vnf_request.flavour_id,
+            instantiation_level_id=inst_level,
+            vnf_instance_id=vnf_instance.id)
+        vnf_instance.instantiated_vnf_info.reinitialize()
+        vnflcm_utils._build_instantiated_vnf_info(vnfd_dict,
+                            instantiate_vnf_request, vnf_instance, '')
+        if not self._get_grant_execute():
+            return
+
+        add_resources = []
+        vnf_inf = vnf_instance.instantiated_vnf_info
+        for vnfc_resource in vnf_inf.vnfc_resource_info:
+            resource = objects.ResourceDefinition()
+            resource.id = vnfc_resource.id
+            resource.type = constants.TYPE_COMPUTE
+            resource.vdu_id = vnfc_resource.vdu_id
+            resource.resource_template_id = vnfc_resource.vdu_id
+            add_resources.append(resource)
+
+        for vl_resource in vnf_inf.vnf_virtual_link_resource_info:
+            resource = objects.ResourceDefinition()
+            resource.id = vl_resource.id
+            resource.type = constants.TYPE_VL
+            resource.resource_template_id = \
+                vl_resource.vnf_virtual_link_desc_id
+            add_resources.append(resource)
+            for cp_resource in vl_resource.vnf_link_ports:
+                for vnfc_resource in vnf_inf.vnfc_resource_info:
+                    for vnfc_cp_resource in vnfc_resource.vnfc_cp_info:
+                        if cp_resource.cp_instance_id == vnfc_cp_resource.id:
+                            resource = objects.ResourceDefinition()
+                            resource.id = cp_resource.id
+                            resource.type = constants.TYPE_LINKPORT
+                            resource.vdu_id = vnfc_resource.vdu_id
+                            resource.resource_template_id = \
+                                vnfc_cp_resource.cpd_id
+                            add_resources.append(resource)
+
+        for storage_resource in vnf_inf.virtual_storage_resource_info:
+            for vnfc_resource in vnf_inf.vnfc_resource_info:
+                if storage_resource.id in vnfc_resource.storage_resource_ids:
+                    resource = objects.ResourceDefinition()
+                    resource.id = storage_resource.id
+                    resource.type = constants.TYPE_STORAGE
+                    resource.vdu_id = vnfc_resource.vdu_id
+                    resource.resource_template_id = \
+                        storage_resource.virtual_storage_desc_id
+                    add_resources.append(resource)
+
+        p_c_list = []
+        placement_obj_list = []
+        topo_temp = vnfd_dict.get('topology_template', {})
+        for policy in topo_temp.get('policies', []):
+            for policy_name, policy_dict in policy.items():
+                key_type = 'tosca.policies.nfv.AntiAffinityRule'
+                if policy_dict['type'] == key_type:
+                    placement_constraint = objects.PlacementConstraint()
+                    placement_constraint.affinity_or_anti_affinity = \
+                        'ANTI_AFFINITY'
+                    placement_constraint.scope = 'ZONE'
+                    placement_constraint.resource = []
+                    placement_constraint.fallback_best_effort = True
+                    for target in policy_dict.get('targets', []):
+                        if target in topo_temp.get('groups', []):
+                            for member in topo_temp['groups']['members']:
+                                for vnfc_rsc in vnf_inf.vnfc_resource_info:
+                                    if member == vnfc_rsc.vdu_id:
+                                        resource = \
+                                            objects.ConstraintResourceRef()
+                                        resource.id_type = 'GRANT'
+                                        resource.resource_id = vnfc_rsc.id
+                                        p_rsc = \
+                                            placement_constraint.resource
+                                        p_rsc.append(resource)
+                                        break
+                        else:
+                            for vnfc_rsc in vnf_inf.vnfc_resource_info:
+                                if target == vnfc_rsc.vdu_id:
+                                    resource = \
+                                        objects.ConstraintResourceRef()
+                                    resource.id_type = 'GRANT'
+                                    resource.resource_id = vnfc_rsc.id
+                                    p_rsc = placement_constraint.resource
+                                    p_rsc.append(resource)
+                                    break
+                    p_c_list.append(placement_constraint)
+                    placement_obj = models.PlacementConstraint()
+                    placement_obj.id = uuidutils.generate_uuid()
+                    placement_obj.vnf_instance_id = vnf_instance.id
+                    placement_obj.affinity_or_anti_affinity = \
+                        placement_constraint.affinity_or_anti_affinity
+                    placement_obj.scope = placement_constraint.scope
+                    placement_obj.server_group_name = policy_name
+                    p_c_dict = placement_constraint.to_dict()
+                    res_dict = p_c_dict.get('resource', {})
+                    res_json = json.dumps(res_dict)
+                    placement_obj.resource = res_json
+                    placement_obj.created_at = timeutils.utcnow()
+                    placement_obj.deleted_at = datetime.datetime.min
+                    placement_obj_list.append(placement_obj)
+
+        g_request = self._make_grant_request(context,
+                                             vnf_instance,
+                                             vnf_lcm_op_occ_id,
+                                             'INSTANTIATE',
+                                             False,
+                                             add_resources=add_resources,
+                                             placement_constraints=p_c_list)
+
+        vnf_dict['placement_obj_list'] = placement_obj_list
+        vnf_dict['grant'] = self._grant(context, g_request)
+
+    def _get_placement(self, context, vnf_instance):
+        return self.vnfm_plugin.get_placement_constraint(context,
+                                                         vnf_instance.id)
+
+    @grant_error_common
+    def _scale_grant(
+            self,
+            context,
+            vnf_dict,
+            vnf_instance,
+            scale_vnf_request,
+            vnf_lcm_op_occ_id):
+        # Check if vnf is in instantiated state.
+        vnf_instance = objects.VnfInstance.get_by_id(context,
+            vnf_instance.id)
+        if vnf_instance.instantiation_state == \
+                fields.VnfInstanceState.NOT_INSTANTIATED:
+            LOG.error("Scale action cannot be performed on vnf %(id)s "
+                      "which is in %(state)s state.",
+                      {"id": vnf_instance.id,
+                      "state": vnf_instance.instantiation_state})
+            raise Exception("Scale action cannot be performed on vnf")
+
+        vim_info = vnflcm_utils._get_vim(
+            context, vnf_instance.vim_connection_info)
+        vim_connection_info = objects.VimConnectionInfo.obj_from_primitive(
+            vim_info, context)
+        if scale_vnf_request.type == 'SCALE_IN':
+            vnf_dict['action'] = 'in'
+            reverse = scale_vnf_request.additional_params.get('is_reverse')
+            region_name = vim_connection_info.access_info.get('region_name')
+            scale_id_list, scale_name_list, grp_id, res_num = \
+                self.vnf_manager.invoke(vim_connection_info.vim_type,
+                    'get_scale_in_ids',
+                    plugin=self,
+                    context=context,
+                    vnf_dict=vnf_dict,
+                    is_reverse=reverse,
+                    auth_attr=vim_connection_info.access_info,
+                    region_name=region_name,
+                    number_of_steps=scale_vnf_request.number_of_steps)
+            vnf_dict['res_num'] = res_num
+        else:
+            scale_id_list = []
+        if not self._get_grant_execute():
+            return None, []
+
+        placement_obj_list = self.vnfm_plugin.get_placement_constraint(
+            context, vnf_instance.id)
+        self.vnf_manager.invoke(
+            vim_connection_info.vim_type,
+            'get_grant_resource',
+            plugin=self,
+            vnf_instance=vnf_instance,
+            vnf_info=vnf_dict,
+            scale_vnf_request=scale_vnf_request,
+            placement_obj_list=placement_obj_list,
+            vim_connection_info=vim_connection_info,
+            del_list=scale_id_list
+        )
+        vnf_dict['placement_obj_list'] = placement_obj_list
+
+        grant_request = self._make_grant_request(
+            context,
+            vnf_instance,
+            vnf_lcm_op_occ_id,
+            'SCALE',
+            False,
+            add_resources=vnf_dict['addResources'],
+            remove_resources=vnf_dict['removeResources'],
+            placement_constraints=vnf_dict['placement_constraint_list'])
+
+        vnf_dict['grant'] = self._grant(context, grant_request)
+
+    @grant_error_common
+    def _heal_grant(self,
+                    context,
+                    vnf_instance,
+                    vnf_dict,
+                    heal_vnf_request,
+                    vnf_lcm_op_occ_id):
+        vnf_inf = vnf_instance.instantiated_vnf_info
+        if not self._get_grant_execute():
+            return
+
+        placement_obj_list = self._get_placement(context, vnf_instance)
+        vim_info = vnflcm_utils._get_vim(context,
+                                         vnf_instance.vim_connection_info)
+        vim_connection_info = \
+            objects.VimConnectionInfo.obj_from_primitive(vim_info, context)
+
+        cinder_list = self.vnf_manager.invoke(vim_connection_info.vim_type,
+                                              'get_cinder_list',
+                                              vnf_info=vnf_dict)
+
+        vnf_instantiated_info_after = copy.deepcopy(vnf_inf)
+        del_cre_vdu_list = []
+        add_resources = []
+        rm_resources = []
+        affinity_list = []
+        for vnfc_resource in vnf_instantiated_info_after.vnfc_resource_info:
+            vnfc_key = vnfc_resource.compute_resource.resource_id
+            if not heal_vnf_request.vnfc_instance_id or \
+               vnfc_key in heal_vnf_request.vnfc_instance_id:
+                if vnfc_resource.vdu_id not in del_cre_vdu_list:
+                    del_cre_vdu_list.append(vnfc_resource.vdu_id)
+        for vnfc_resource in vnf_instantiated_info_after.vnfc_resource_info:
+            if vnfc_resource.vdu_id in del_cre_vdu_list:
+                resource = objects.ResourceDefinition()
+                resource.id = vnfc_resource.id
+                resource.type = constants.TYPE_COMPUTE
+                resource.vdu_id = vnfc_resource.vdu_id
+                resource.resource_template_id = vnfc_resource.vdu_id
+                vim_id = vnfc_resource.compute_resource.vim_connection_id
+                rsc_id = vnfc_resource.compute_resource.resource_id
+                vnfc_rh = objects.ResourceHandle(
+                    vim_connection_id=vim_id,
+                    resource_id=rsc_id)
+                resource.resource = vnfc_rh
+                rm_resources.append(resource)
+                add_uuid = uuidutils.generate_uuid()
+                resource = objects.ResourceDefinition()
+                resource.id = add_uuid
+                resource.type = constants.TYPE_COMPUTE
+                resource.vdu_id = vnfc_resource.vdu_id
+                resource.resource_template_id = vnfc_resource.vdu_id
+                add_resources.append(resource)
+
+                key_id = vnfc_resource.compute_resource.resource_id
+                for placement_obj in placement_obj_list:
+                    resource_dict = jsonutils.loads(placement_obj.resource)
+                    set_flg = False
+                    for resource in resource_dict:
+                        if resource.get('resource_id') == key_id:
+                            resource['id_type'] = 'GRANT'
+                            resource['resource_id'] = add_uuid
+                            g_name = placement_obj.server_group_name
+                            affinity_list.append(g_name)
+                            set_flg = True
+                            res_json = jsonutils.dump_as_bytes(resource_dict)
+                            placement_obj.resource = res_json
+                            break
+                    if set_flg:
+                        break
+                vnfc_resource.id = add_uuid
+                vnfc_resource.compute_resource = objects.ResourceHandle()
+
+        st_info = vnf_instantiated_info_after.virtual_storage_resource_info
+        for storage_resource in st_info:
+            if storage_resource.virtual_storage_desc_id in cinder_list:
+                for vnfc_resource in vnf_inf.vnfc_resource_info:
+                    id_list = vnfc_resource.storage_resource_ids
+                    if storage_resource.id in id_list:
+                        resource = objects.ResourceDefinition()
+                        resource.id = storage_resource.id
+                        resource.type = constants.TYPE_STORAGE
+                        resource.vdu_id = vnfc_resource.vdu_id
+                        resource.resource_template_id = \
+                            storage_resource.virtual_storage_desc_id
+                        st_rh = objects.ResourceHandle()
+                        st_rh.vim_connection_id = \
+                            storage_resource.storage_resource.vim_connection_id
+                        st_rh.resource_id = \
+                            storage_resource.storage_resource.resource_id
+                        resource.resource = st_rh
+                        rm_resources.append(resource)
+
+                        add_uuid = uuidutils.generate_uuid()
+                        resource = objects.ResourceDefinition()
+                        resource = objects.ResourceDefinition()
+                        resource.id = add_uuid
+                        resource.type = constants.TYPE_STORAGE
+                        resource.vdu_id = vnfc_resource.vdu_id
+                        resource.resource_template_id = \
+                            storage_resource.virtual_storage_desc_id
+                        add_resources.append(resource)
+                        storage_resource.id = add_uuid
+                        storage_resource.storage_resource = \
+                            objects.ResourceHandle()
+
+        p_c_list = []
+        for placement_obj in placement_obj_list:
+            p_constraint = objects.PlacementConstraint()
+            p_constraint.affinity_or_anti_affinity = \
+                placement_obj.affinity_or_anti_affinity
+            p_constraint.scope = placement_obj.scope
+            resource_dict = jsonutils.loads(placement_obj.resource)
+            p_constraint.resource = []
+            for rsc in resource_dict:
+                rsc_obj = objects.ConstraintResourceRef()
+                rsc_obj.id_type = rsc.get('id_type')
+                rsc_obj.resource_id = rsc.get('resource_id')
+                p_constraint.resource.append(rsc_obj)
+            p_constraint.fallback_best_effort = True
+            p_c_list.append(p_constraint)
+
+        g_request = self._make_grant_request(context,
+                                             vnf_instance,
+                                             vnf_lcm_op_occ_id,
+                                             'HEAL',
+                                             False,
+                                             add_resources=add_resources,
+                                             remove_resources=rm_resources,
+                                             placement_constraints=p_c_list)
+
+        vnf_dict['placement_obj_list'] = placement_obj_list
+        vnf_dict['grant'] = self._grant(context, g_request)
+        vnf_dict['vnf_instantiated_info_after'] = vnf_instantiated_info_after
+
+    @grant_error_common
+    def _terminate_grant(self, context, vnf_instance, vnf_lcm_op_occ_id):
+        vnf_inf = vnf_instance.instantiated_vnf_info
+        if not self._get_grant_execute():
+            return
+
+        rm_resources = []
+        for vnfc_resource in vnf_inf.vnfc_resource_info:
+            resource = objects.ResourceDefinition()
+            resource.id = vnfc_resource.id
+            resource.type = constants.TYPE_COMPUTE
+            resource.vdu_id = vnfc_resource.vdu_id
+            resource.resource_template_id = vnfc_resource.vdu_id
+            vim_id = vnfc_resource.compute_resource.vim_connection_id
+            rsc_id = vnfc_resource.compute_resource.resource_id
+            vnfc_rh = objects.ResourceHandle(
+                vim_connection_id=vim_id,
+                resource_id=rsc_id)
+            resource.resource = vnfc_rh
+            rm_resources.append(resource)
+
+        for vl_resource in vnf_inf.vnf_virtual_link_resource_info:
+            resource = objects.ResourceDefinition()
+            resource.id = vl_resource.id
+            resource.type = constants.TYPE_VL
+            resource.resource_template_id = \
+                vl_resource.vnf_virtual_link_desc_id
+            vim_id = vl_resource.network_resource.vim_connection_id
+            rsc_id = vl_resource.network_resource.resource_id
+            vl_rh = objects.ResourceHandle(
+                vim_connection_id=vim_id,
+                resource_id=rsc_id)
+            resource.resource = vl_rh
+            rm_resources.append(resource)
+            for cp_resource in vl_resource.vnf_link_ports:
+                for vnfc_resource in vnf_inf.vnfc_resource_info:
+                    for vnfc_cp_resource in vnfc_resource.vnfc_cp_info:
+                        if cp_resource.cp_instance_id == vnfc_cp_resource.id:
+                            resource = objects.ResourceDefinition()
+                            resource.id = cp_resource.id
+                            resource.type = constants.TYPE_LINKPORT
+                            resource.vdu_id = vnfc_resource.vdu_id
+                            resource.resource_template_id = \
+                                vnfc_cp_resource.cpd_id
+                            vim_id = \
+                                cp_resource.resource_handle.vim_connection_id
+                            rsc_id = cp_resource.resource_handle.resource_id
+                            cp_rh = objects.ResourceHandle(
+                                vim_connection_id=vim_id,
+                                resource_id=rsc_id)
+                            resource.resource = cp_rh
+                            rm_resources.append(resource)
+
+        for storage_resource in vnf_inf.virtual_storage_resource_info:
+            for vnfc_resource in vnf_inf.vnfc_resource_info:
+                if storage_resource.id in vnfc_resource.storage_resource_ids:
+                    resource = objects.ResourceDefinition()
+                    resource.id = storage_resource.id
+                    resource.type = constants.TYPE_STORAGE
+                    resource.vdu_id = vnfc_resource.vdu_id
+                    resource.resource_template_id = \
+                        storage_resource.virtual_storage_desc_id
+                    vim_id = \
+                        storage_resource.storage_resource.vim_connection_id
+                    rsc_id = storage_resource.storage_resource.resource_id
+                    st_rh = objects.ResourceHandle(
+                        vim_connection_id=vim_id,
+                        resource_id=rsc_id)
+                    resource.resource = st_rh
+                    rm_resources.append(resource)
+
+        grant_request = self._make_grant_request(context,
+                                                 vnf_instance,
+                                                 vnf_lcm_op_occ_id,
+                                                 'TERMINATE',
+                                                 False,
+                                                 remove_resources=rm_resources)
+        self._grant(context, grant_request)
+
+    def _get_grant_execute(self):
+        try:
+            nfvo_client.GrantRequest().validate()
+        except nfvo_client.UndefinedExternalSettingException:
+            return False
+
+        return True
+
+    def _make_grant_request(self, context, vnf_instance,
+                            vnf_lcm_op_occ_id, operation,
+                            is_automatic_invocation,
+                            add_resources=[],
+                            remove_resources=[],
+                            placement_constraints=[]):
+        grant_request = objects.GrantRequest()
+        grant_request.vnf_instance_id = vnf_instance.id
+        grant_request.vnf_lcm_op_occ_id = vnf_lcm_op_occ_id
+        grant_request.vnfd_id = vnf_instance.vnfd_id
+        grant_request.flavour_id = \
+            vnf_instance.instantiated_vnf_info.flavour_id
+        grant_request.operation = operation
+        grant_request.is_automatic_invocation = is_automatic_invocation
+        vnflcm_url = CONF.vnf_lcm.endpoint_url + \
+            "/vnflcm/v1/vnf_lcm_op_occs/" + vnf_lcm_op_occ_id
+        insta_url = CONF.vnf_lcm.endpoint_url + \
+            "/vnflcm/v1/vnf_instances/" + vnf_instance.id
+        link_vnflcm = objects.Link(href=vnflcm_url)
+        link_insta = objects.Link(href=insta_url)
+        link = objects.Links(vnf_lcm_op_occ=link_vnflcm,
+                             vnf_instance=link_insta)
+        grant_request._links = link
+
+        if add_resources:
+            grant_request.add_resources = add_resources
+        if remove_resources:
+            grant_request.remove_resources = remove_resources
+        if placement_constraints:
+            grant_request.placement_constraints = placement_constraints
+
+        return grant_request
+
+    def _create_placement(self, context, vnf_dict):
+        p_list = vnf_dict.get('placement_obj_list', [])
+        if len(p_list) == 0:
+            return
+        self.vnfm_plugin.create_placement_constraint(context,
+                                                     p_list)
+
+    def _update_placement(self, context, vnf_dict, vnf_instance):
+        self.vnfm_plugin.update_placement_constraint(context,
+                                                     vnf_dict,
+                                                     vnf_instance)
+
+    def _delete_placement(self, context, vnf_instance_id):
+        self.vnfm_plugin.delete_placement_constraint(context,
+                                                     vnf_instance_id)
+
     @log.log
     def _get_vnf_notify(self, context, id):
         try:
@@ -790,6 +1367,7 @@ class Conductor(manager.Manager):
         is_automatic_invocation = \
             kwargs.get('is_automatic_invocation', False)
         error = kwargs.get('error', None)
+        # Used for timing control when a failure occurs
 
         if old_vnf_instance:
             vnf_instance_id = old_vnf_instance.id
@@ -918,7 +1496,7 @@ class Conductor(manager.Manager):
                     self.__set_auth_subscription(line)
 
                     for num in range(CONF.vnf_lcm.retry_num):
-                        LOG.info("send notify[%s]" % json.dumps(notification))
+                        LOG.warn("send notify[%s]" % json.dumps(notification))
                         auth_client = auth.auth_manager.get_auth_client(
                             notification['subscriptionId'])
                         response = auth_client.post(
@@ -965,6 +1543,12 @@ class Conductor(manager.Manager):
             instantiate_vnf,
             vnf_lcm_op_occs_id):
 
+        self._instantiate_grant(context,
+            vnf_instance,
+            vnf_dict,
+            instantiate_vnf,
+            vnf_lcm_op_occs_id)
+
         try:
             # Update vnf_lcm_op_occs table and send notification "PROCESSING"
             self._send_lcm_op_occ_notification(
@@ -993,6 +1577,8 @@ class Conductor(manager.Manager):
                         instantiation_state=fields.VnfInstanceState.
                         INSTANTIATED, task_state=None)
 
+            self._create_placement(context, vnf_dict)
+
             # Update vnf_lcm_op_occs table and send notification "COMPLETED"
             self._send_lcm_op_occ_notification(
                 context=context,
@@ -1024,6 +1610,11 @@ class Conductor(manager.Manager):
     @coordination.synchronized('{vnf_instance[id]}')
     def terminate(self, context, vnf_lcm_op_occs_id,
                   vnf_instance, terminate_vnf_req, vnf_dict):
+
+        self._terminate_grant(context,
+            vnf_instance,
+            vnf_lcm_op_occs_id)
+
         try:
             old_vnf_instance = copy.deepcopy(vnf_instance)
 
@@ -1042,6 +1633,9 @@ class Conductor(manager.Manager):
 
             self.vnflcm_driver.terminate_vnf(context, vnf_instance,
                                              terminate_vnf_req)
+
+            self._delete_placement(context, vnf_instance.id)
+
             self._change_vnf_status(context, vnf_instance.id,
                             _PENDING_STATUS, 'INACTIVE')
 
@@ -1086,6 +1680,12 @@ class Conductor(manager.Manager):
              heal_vnf_request,
              vnf_lcm_op_occs_id):
 
+        self._heal_grant(context,
+            vnf_instance,
+            vnf_dict,
+            heal_vnf_request,
+            vnf_lcm_op_occs_id)
+
         try:
             old_vnf_instance = copy.deepcopy(vnf_instance)
 
@@ -1117,6 +1717,8 @@ class Conductor(manager.Manager):
             self.vnflcm_driver._vnf_instance_update(context, vnf_instance,
                                                     task_state=None)
 
+            self._update_placement(context, vnf_dict, vnf_instance)
+
             # update vnf_lcm_op_occs and send notification "COMPLETED"
             self._send_lcm_op_occ_notification(
                 context=context,
@@ -1150,16 +1752,15 @@ class Conductor(manager.Manager):
 
     @coordination.synchronized('{vnf_instance[id]}')
     def scale(self, context, vnf_info, vnf_instance, scale_vnf_request):
-        # Check if vnf is in instantiated state.
-        vnf_instance = objects.VnfInstance.get_by_id(context,
-            vnf_instance.id)
-        if vnf_instance.instantiation_state == \
-                fields.VnfInstanceState.NOT_INSTANTIATED:
-            LOG.error("Scale action cannot be performed on vnf %(id)s "
-                      "which is in %(state)s state.",
-                      {"id": vnf_instance.id,
-                      "state": vnf_instance.instantiation_state})
-            return
+        vnf_lcm_op_occ = vnf_info['vnf_lcm_op_occ']
+        vnf_lcm_op_occ_id = vnf_lcm_op_occ.id
+
+        self._scale_grant(
+            context,
+            vnf_info,
+            vnf_instance,
+            scale_vnf_request,
+            vnf_lcm_op_occ_id)
 
         self.vnflcm_driver.scale_vnf(
             context, vnf_info, vnf_instance, scale_vnf_request)

tacker/db/db_sqlalchemy/models.py

@@ -301,7 +301,7 @@ class VnfLcmOpOccs(model_base.BASE, models.SoftDeleteMixin,
     """VNF LCM OP OCCS Fields"""
 
     __tablename__ = 'vnf_lcm_op_occs'
-    id = sa.Column(sa.Integer, primary_key=True, autoincrement=True)
+    id = sa.Column(sa.String(16), primary_key=True)
     vnf_instance_id = sa.Column(sa.String(36),
                                 sa.ForeignKey('vnf_instances.id'),
                                 nullable=False)
@@ -316,3 +316,17 @@ class VnfLcmOpOccs(model_base.BASE, models.SoftDeleteMixin,
     resource_changes = sa.Column(sa.JSON(), nullable=True)
     changed_info = sa.Column(sa.JSON(), nullable=True)
     error_point = sa.Column(sa.Integer, nullable=False)
+
+
+class PlacementConstraint(model_base.BASE, models.SoftDeleteMixin,
+                models.TimestampMixin, models_v1.HasId):
+    """Represents a Vnf Placement Constraint."""
+
+    __tablename__ = 'placement_constraint'
+    vnf_instance_id = sa.Column(sa.String(36),
+                                sa.ForeignKey('vnf_instances.id'),
+                                nullable=False)
+    affinity_or_anti_affinity = sa.Column(sa.String(255), nullable=False)
+    scope = sa.Column(sa.String(255), nullable=False)
+    server_group_name = sa.Column(sa.String(255), nullable=False)
+    resource = sa.Column(sa.JSON(), nullable=True)

tacker/db/migration/alembic_migrations/versions/2c5211036579_add_placement_table.py

@@ -0,0 +1,52 @@
+# Copyright 2020 OpenStack Foundation
+#
+#    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.
+#
+
+"""add placement table
+
+Revision ID: 2c5211036579
+Revises: ee98bbc0789d
+Create Date: 2020-09-11 20:47:46.345771
+
+"""
+# flake8: noqa: E402
+
+# revision identifiers, used by Alembic.
+revision = '2c5211036579'
+down_revision = 'ee98bbc0789d'
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import Boolean
+
+from tacker.db import types
+
+
+def upgrade(active_plugins=None, options=None):
+    op.create_table(
+        'placement_constraint',
+        sa.Column('id', types.Uuid(length=36), nullable=False),
+        sa.Column('vnf_instance_id', types.Uuid(length=36), nullable=False),
+        sa.Column('affinity_or_anti_affinity',
+                  sa.String(length=255), nullable=False),
+        sa.Column('scope',  sa.String(length=255), nullable=False),
+        sa.Column('server_group_name',  sa.String(length=255), nullable=False),
+        sa.Column('resource', sa.JSON(), nullable=False),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('updated_at', sa.DateTime(), nullable=True),
+        sa.Column('deleted_at', sa.DateTime(), nullable=True),
+        sa.Column('deleted', Boolean, default=False),
+        sa.PrimaryKeyConstraint('id'),
+        mysql_engine='InnoDB'
+    )

tacker/db/migration/alembic_migrations/versions/HEAD

@@ -1 +1 @@
-ee98bbc0789d
+2c5211036579

tacker/db/vnfm/vnfm_db.py

@@ -18,6 +18,7 @@ from datetime import datetime
 
 from oslo_db.exception import DBDuplicateEntry
 from oslo_log import log as logging
+from oslo_serialization import jsonutils
 from oslo_utils import timeutils
 from oslo_utils import uuidutils
 
@@ -29,9 +30,11 @@ from sqlalchemy import schema
 from tacker._i18n import _
 from tacker.api.v1 import attributes
 from tacker.common import exceptions
+import tacker.conf
 from tacker import context as t_context
 from tacker.db.common_services import common_services_db_plugin
 from tacker.db import db_base
+from tacker.db.db_sqlalchemy import models
 from tacker.db import model_base
 from tacker.db import models_v1
 from tacker.db.nfvo import ns_db
@@ -40,6 +43,8 @@ from tacker.extensions import vnfm
 from tacker import manager
 from tacker.plugins.common import constants
 
+CONF = tacker.conf.CONF
+
 LOG = logging.getLogger(__name__)
 _ACTIVE_UPDATE = (constants.ACTIVE, constants.PENDING_UPDATE,
                   constants.PENDING_HEAL)
@@ -812,3 +817,51 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
             constants.ERROR]
         return self._mark_vnf_status(
             vnf_id, exclude_status, constants.DEAD)
+
+    def create_placement_constraint(self, context, placement_obj_list):
+        context.session.add_all(placement_obj_list)
+
+    def get_placement_constraint(self, context, vnf_instance_id):
+        placement_constraint = (
+            self._model_query(context, models.PlacementConstraint).filter(
+                models.PlacementConstraint.vnf_instance_id == vnf_instance_id).
+            filter(models.PlacementConstraint.deleted == 0).all())
+        return placement_constraint
+
+    def update_placement_constraint_heal(self, context,
+                                         vnf_info,
+                                         vnf_instance):
+        if not vnf_info.get('grant'):
+            return
+        placement_obj_list = vnf_info['placement_obj_list']
+        inst_info = vnf_instance.instantiated_vnf_info
+        for vnfc in inst_info.vnfc_resource_info:
+            for placement_obj in placement_obj_list:
+                rsc_dict = jsonutils.loads(placement_obj.resource)
+                for rsc in rsc_dict:
+                    if vnfc.id == rsc.get('resource_id') and\
+                       rsc.get('id_type') == 'GRANT':
+                        rsc['id_type'] = 'RES_MGMT'
+                        rsc['resource_id'] = vnfc.\
+                            compute_resource.resource_id
+                        rsc['vim_connection_id'] = vnfc.\
+                            compute_resource.vim_connection_id
+                placement_obj.resource = jsonutils.dumps(rsc_dict)
+                self.update_placement_constraint(context, placement_obj)
+
+    def delete_placement_constraint(self, context, vnf_instance_id):
+        (self._model_query(context, models.PlacementConstraint).
+            filter(
+                models.PlacementConstraint.vnf_instance_id == vnf_instance_id).
+            filter(models.PlacementConstraint.deleted == 0).
+            update({'deleted': 0, 'deleted_at': timeutils.utcnow()}))
+
+    def update_placement_constraint(self, context, placement_obj):
+        (self._model_query(
+            context,
+            models.PlacementConstraint).filter(
+                models.PlacementConstraint.id == placement_obj.id).
+            filter(models.PlacementConstraint.deleted == 0).
+            update({
+                'resource': placement_obj.resource,
+                'updated_at': timeutils.utcnow()}))

tacker/objects/__init__.py

@@ -42,3 +42,7 @@ def register_all():
     __import__('tacker.objects.vnf_artifact')
     __import__('tacker.objects.vnf_lcm_subscriptions')
     __import__('tacker.objects.scale_vnf_request')
+    __import__('tacker.objects.grant')
+    __import__('tacker.objects.grant_request')
+    __import__('tacker.objects.vnfd')
+    __import__('tacker.objects.vnfd_attribute')

tacker/objects/grant.py

@@ -0,0 +1,287 @@
+#    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.
+
+from tacker import objects
+from tacker.objects import base
+from tacker.objects import fields
+
+
+@base.TackerObjectRegistry.register
+class Grant(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'id': fields.StringField(nullable=False),
+        'vnf_instance_id': fields.StringField(nullable=False),
+        'vnf_lcm_op_occ_id': fields.StringField(nullable=False),
+        'vim_connections': fields.ListOfObjectsField(
+            'VimConnectionInfo', nullable=True, default=[]),
+        'zones': fields.ListOfObjectsField(
+            'ZoneInfo', nullable=True, default=[]),
+        'add_resources': fields.ListOfObjectsField(
+            'GrantInfo', nullable=True, default=[]),
+        'remove_resources': fields.ListOfObjectsField(
+            'GrantInfo', nullable=True, default=[]),
+        'vim_assets': fields.ObjectField(
+            'VimAssets', nullable=True)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_grant = super(
+                Grant, cls).obj_from_primitive(primitive, context)
+        else:
+            if 'vim_connections' in primitive.keys():
+                obj_data = [objects.VimConnectionInfo._from_dict(
+                    vim_conn) for vim_conn in primitive.get(
+                    'vim_connections', [])]
+                primitive.update({'vim_connections': obj_data})
+
+            if 'zones' in primitive.keys():
+                obj_data = [ZoneInfo._from_dict(
+                    zone) for zone in primitive.get(
+                    'zones', [])]
+                primitive.update({'zones': obj_data})
+
+            if 'add_resources' in primitive.keys():
+                obj_data = [GrantInfo._from_dict(
+                    add_rsc) for add_rsc in primitive.get(
+                    'add_resources', [])]
+                primitive.update({'add_resources': obj_data})
+            if 'remove_resources' in primitive.keys():
+                obj_data = [GrantInfo._from_dict(
+                    remove_rsc) for remove_rsc in primitive.get(
+                    'remove_resources', [])]
+                primitive.update({'remove_resources': obj_data})
+            if 'vim_assets' in primitive.keys():
+                obj_data = VimAssets.obj_from_primitive(
+                    primitive.get('vim_assets'), context)
+                primitive.update({'vim_assets': obj_data})
+
+            obj_grant = Grant._from_dict(primitive)
+
+        return obj_grant
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        id = data_dict.get('id')
+        vnf_instance_id = data_dict.get('vnf_instance_id')
+        vnf_lcm_op_occ_id = data_dict.get('vnf_lcm_op_occ_id')
+        vim_connections = data_dict.get('vim_connections', [])
+        zones = data_dict.get('zones', [])
+        add_resources = data_dict.get('add_resources', [])
+        remove_resources = data_dict.get('remove_resources', [])
+        vim_assets = data_dict.get('vim_assets')
+
+        obj = cls(
+            id=id,
+            vnf_instance_id=vnf_instance_id,
+            vnf_lcm_op_occ_id=vnf_lcm_op_occ_id,
+            vim_connections=vim_connections,
+            zones=zones,
+            add_resources=add_resources,
+            remove_resources=remove_resources,
+            vim_assets=vim_assets)
+        return obj
+
+
+@base.TackerObjectRegistry.register
+class ZoneInfo(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'id': fields.StringField(nullable=False),
+        'zone_id': fields.StringField(nullable=False),
+        'vim_connection_id': fields.StringField(nullable=True)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_zone_info = super(
+                ZoneInfo, cls).obj_from_primitive(primitive, context)
+        else:
+            obj_zone_info = ZoneInfo._from_dict(primitive)
+
+        return obj_zone_info
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        id = data_dict.get('id')
+        zone_id = data_dict.get('zone_id')
+        vim_connection_id = data_dict.get('vim_connection_id')
+
+        obj = cls(
+            id=id,
+            zone_id=zone_id,
+            vim_connection_id=vim_connection_id)
+        return obj
+
+
+@base.TackerObjectRegistry.register
+class GrantInfo(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'resource_definition_id': fields.StringField(nullable=False),
+        'vim_connection_id': fields.StringField(nullable=True),
+        'zone_id': fields.StringField(nullable=True)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_grant_info = super(
+                GrantInfo, cls).obj_from_primitive(primitive, context)
+        else:
+            obj_grant_info = GrantInfo._from_dict(primitive)
+
+        return obj_grant_info
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        resource_definition_id = data_dict.get('resource_definition_id')
+        vim_connection_id = data_dict.get('vim_connection_id')
+        zone_id = data_dict.get('zone_id')
+
+        obj = cls(
+            resource_definition_id=resource_definition_id,
+            vim_connection_id=vim_connection_id,
+            zone_id=zone_id)
+        return obj
+
+
+@base.TackerObjectRegistry.register
+class VimAssets(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'compute_resource_flavours': fields.ListOfObjectsField(
+            'VimComputeResourceFlavour', nullable=True, default=[]),
+        'software_images': fields.ListOfObjectsField(
+            'VimSoftwareImage', nullable=True, default=[])
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_vim_assets = super(
+                VimAssets, cls).obj_from_primitive(primitive, context)
+        else:
+            if 'compute_resource_flavours' in primitive.keys():
+                obj_data = [VimComputeResourceFlavour._from_dict(
+                    flavour) for flavour in primitive.get(
+                    'compute_resource_flavours', [])]
+                primitive.update({'compute_resource_flavours': obj_data})
+
+            if 'software_images' in primitive.keys():
+                obj_data = [VimSoftwareImage._from_dict(
+                    img) for img in primitive.get(
+                    'software_images', [])]
+                primitive.update({'software_images': obj_data})
+            obj_vim_assets = VimAssets._from_dict(primitive)
+
+        return obj_vim_assets
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        compute_resource_flavours = data_dict.get(
+            'compute_resource_flavours', [])
+        software_images = data_dict.get('software_images', [])
+
+        obj = cls(
+            compute_resource_flavours=compute_resource_flavours,
+            software_images=software_images)
+        return obj
+
+
+@base.TackerObjectRegistry.register
+class VimComputeResourceFlavour(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'vim_connection_id': fields.StringField(nullable=True),
+        'vnfd_virtual_compute_desc_id': fields.StringField(nullable=False),
+        'vim_flavour_id': fields.StringField(nullable=False)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_flavour = super(
+                VimComputeResourceFlavour,
+                cls).obj_from_primitive(
+                primitive,
+                context)
+        else:
+            obj_flavour = VimComputeResourceFlavour._from_dict(primitive)
+
+        return obj_flavour
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        vim_connection_id = data_dict.get('vim_connection_id')
+        vnfd_virtual_compute_desc_id = data_dict.get(
+            'vnfd_virtual_compute_desc_id')
+        vim_flavour_id = data_dict.get('vim_flavour_id')
+
+        obj = cls(
+            vim_connection_id=vim_connection_id,
+            vnfd_virtual_compute_desc_id=vnfd_virtual_compute_desc_id,
+            vim_flavour_id=vim_flavour_id)
+        return obj
+
+
+@base.TackerObjectRegistry.register
+class VimSoftwareImage(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'vim_connection_id': fields.StringField(nullable=True),
+        'vnfd_software_image_id': fields.StringField(nullable=False),
+        'vim_software_image_id': fields.StringField(nullable=False)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_img = super(
+                VimSoftwareImage, cls).obj_from_primitive(primitive, context)
+        else:
+            obj_img = VimSoftwareImage._from_dict(primitive)
+
+        return obj_img
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        vim_connection_id = data_dict.get('vim_connection_id')
+        vnfd_software_image_id = data_dict.get('vnfd_software_image_id')
+        vim_software_image_id = data_dict.get('vim_software_image_id')
+
+        obj = cls(
+            vim_connection_id=vim_connection_id,
+            vnfd_software_image_id=vnfd_software_image_id,
+            vim_software_image_id=vim_software_image_id)
+        return obj

tacker/objects/grant_request.py

@@ -0,0 +1,407 @@
+#    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.
+
+from oslo_serialization import jsonutils
+
+from tacker.common import utils
+from tacker.objects import base
+from tacker.objects import fields
+
+
+@base.TackerObjectRegistry.register
+class GrantRequest(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'vnf_instance_id': fields.StringField(nullable=False),
+        'vnf_lcm_op_occ_id': fields.StringField(nullable=False),
+        'vnfd_id': fields.StringField(nullable=False),
+        'flavour_id': fields.StringField(nullable=True),
+        'operation': fields.StringField(nullable=False),
+        'is_automatic_invocation': fields.BooleanField(nullable=False,
+                                                       default=False),
+        'add_resources': fields.ListOfObjectsField(
+            'ResourceDefinition', nullable=True, default=[]),
+        'remove_resources': fields.ListOfObjectsField(
+            'ResourceDefinition', nullable=True, default=[]),
+        'placement_constraints': fields.ListOfObjectsField(
+            'PlacementConstraint', nullable=True, default=[]),
+        '_links': fields.ObjectField(
+            'Links', nullable=False)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_grant_req = super(
+                GrantRequest, cls).obj_from_primitive(primitive, context)
+        else:
+            if 'add_resources' in primitive.keys():
+                obj_data = [ResourceDefinition._from_dict(
+                    add_rsc) for add_rsc in primitive.get(
+                    'add_resources', [])]
+                primitive.update({'add_resources': obj_data})
+            if 'remove_resources' in primitive.keys():
+                obj_data = [ResourceDefinition._from_dict(
+                    remove_rsc) for remove_rsc in primitive.get(
+                    'remove_resources', [])]
+                primitive.update({'add_resources': obj_data})
+            if 'placement_constraints' in primitive.keys():
+                obj_data = [PlacementConstraint._from_dict(
+                    place) for place in primitive.get(
+                    'placement_constraints', [])]
+                primitive.update({'add_resources': obj_data})
+            obj_grant_req = GrantRequest._from_dict(primitive)
+
+        return obj_grant_req
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        vnf_instance_id = data_dict.get('vnf_instance_id')
+        vnf_lcm_op_occ_id = data_dict.get('vnf_lcm_op_occ_id')
+        vnfd_id = data_dict.get('vnfd_id')
+        flavour_id = data_dict.get('flavour_id')
+        operation = data_dict.get('operation')
+        is_automatic_invocation = data_dict.get('is_automatic_invocation')
+        add_resources = data_dict.get('add_resources', [])
+        remove_resources = data_dict.get('remove_resources', [])
+        placement_constraints = data_dict.get('placement_constraints', [])
+        links = data_dict.get('_links')
+
+        obj = cls(
+            vnf_instance_id=vnf_instance_id,
+            vnf_lcm_op_occ_id=vnf_lcm_op_occ_id,
+            vnfd_id=vnfd_id,
+            flavour_id=flavour_id,
+            operation=operation,
+            is_automatic_invocation=is_automatic_invocation,
+            add_resources=add_resources,
+            remove_resources=remove_resources,
+            placement_constraints=placement_constraints,
+            _links=links)
+        return obj
+
+    def to_dict(self):
+        data = {'vnf_instance_id': self.vnf_instance_id,
+                'vnf_lcm_op_occ_id': self.vnf_lcm_op_occ_id,
+                'vnfd_id': self.vnfd_id,
+                'flavour_id': self.flavour_id,
+                'operation': self.operation,
+                'is_automatic_invocation': self.is_automatic_invocation,
+                '_links': self._links.to_dict()}
+        if self.add_resources:
+            add_resources_list = []
+            for add_resource in self.add_resources:
+                add_resources_list.append(add_resource.to_dict())
+
+            data.update({'add_resources': add_resources_list})
+        if self.remove_resources:
+            remove_resources_list = []
+            for remove_resource in self.remove_resources:
+                remove_resources_list.append(remove_resource.to_dict())
+
+            data.update({'remove_resources': remove_resources_list})
+        if self.placement_constraints:
+            placement_constraints_list = []
+            for placement_constraint in self.placement_constraints:
+                placement_constraints_list.append(
+                    placement_constraint.to_dict())
+
+            data.update({'placement_constraints': placement_constraints_list})
+        return data
+
+    def to_request_body(self):
+        req_dict = self.to_dict()
+        req_dict = utils.convert_snakecase_to_camelcase(req_dict)
+        return jsonutils.dumps(req_dict).replace('Links', '_links')
+
+
+@base.TackerObjectRegistry.register
+class ResourceDefinition(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'id': fields.StringField(nullable=False),
+        'type': fields.StringField(nullable=False),
+        'vdu_id': fields.StringField(nullable=True, default=None),
+        'resource_template_id': fields.StringField(nullable=False),
+        'resource': fields.ObjectField(
+            'ResourceHandle', nullable=True, default=None)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_grant_req = super(
+                ResourceDefinition, cls).\
+                obj_from_primitive(primitive, context)
+        else:
+            if 'resource' in primitive.keys():
+                obj_data = ResourceHandle._from_dict(
+                    primitive.get('resource'))
+                primitive.update({'resource': obj_data})
+            obj_grant_req = ResourceDefinition._from_dict(primitive)
+
+        return obj_grant_req
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        id = data_dict.get('id')
+        type = data_dict.get('type')
+        vdu_id = data_dict.get('vdu_id')
+        resource_template_id = data_dict.get('resource_template_id')
+        resource = data_dict.get('resource')
+
+        obj = cls(
+            id=id,
+            type=type,
+            vdu_id=vdu_id,
+            resource_template_id=resource_template_id,
+            resource=resource)
+        return obj
+
+    def to_dict(self):
+        data = {'id': self.id,
+                'type': self.type,
+                'resource_template_id': self.resource_template_id}
+        if self.vdu_id:
+            data.update({'vdu_id': self.vdu_id})
+        if self.resource:
+            data.update({'resource': self.resource.to_dict()})
+        return data
+
+
+@base.TackerObjectRegistry.register
+class PlacementConstraint(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'affinity_or_anti_affinity': fields.StringField(nullable=False),
+        'scope': fields.StringField(nullable=False),
+        'resource': fields.ListOfObjectsField(
+            'ConstraintResourceRef', nullable=False, default=[]),
+        'fallback_best_effort': fields.BooleanField(nullable=False),
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_placement_constraint = super(
+                PlacementConstraint, cls).obj_from_primitive(
+                primitive, context)
+        else:
+            if 'resource' in primitive.keys():
+                obj_data = [ConstraintResourceRef._from_dict(
+                    add_rsc) for add_rsc in primitive.get(
+                    'resource', [])]
+                primitive.update({'resource': obj_data})
+            obj_placement_constraint = PlacementConstraint._from_dict(
+                primitive)
+
+        return obj_placement_constraint
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        affinity_or_anti_affinity = data_dict.get('affinity_or_anti_affinity')
+        scope = data_dict.get('scope')
+        resource = data_dict.get('resource')
+        fallback_best_effort = data_dict.get('fallback_best_effort')
+
+        obj = cls(
+            affinity_or_anti_affinity=affinity_or_anti_affinity,
+            scope=scope,
+            resource=resource,
+            fallback_best_effort=fallback_best_effort)
+        return obj
+
+    def to_dict(self):
+        data = {'affinity_or_anti_affinity': self.affinity_or_anti_affinity,
+                'scope': self.scope,
+                'fallback_best_effort': self.fallback_best_effort}
+        if self.resource:
+            resource_list = []
+            for rsc in self.resource:
+                resource_list.append(rsc.to_dict())
+
+            data.update({'resource': resource_list})
+        return data
+
+
+@base.TackerObjectRegistry.register
+class ConstraintResourceRef(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'id_type': fields.StringField(nullable=False),
+        'resource_id': fields.StringField(nullable=False),
+        'vim_connection_id': fields.StringField(nullable=True, default=None),
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_placement_constraint = super(
+                ConstraintResourceRef, cls).obj_from_primitive(
+                primitive, context)
+        else:
+            obj_placement_constraint = ConstraintResourceRef._from_dict(
+                primitive)
+
+        return obj_placement_constraint
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        id_type = data_dict.get('id_type')
+        resource_id = data_dict.get('resource_id')
+        vim_connection_id = data_dict.get('vim_connection_id')
+
+        obj = cls(
+            id_type=id_type,
+            resource_id=resource_id,
+            vim_connection_id=vim_connection_id)
+        return obj
+
+    def to_dict(self):
+        data = {'id_type': self.id_type,
+                'resource_id': self.resource_id}
+        if self.vim_connection_id:
+            data.update({'vim_connection_id': self.vim_connection_id})
+        return data
+
+
+@base.TackerObjectRegistry.register
+class Links(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'vnf_lcm_op_occ': fields.ObjectField(
+            'Link', nullable=False),
+        'vnf_instance': fields.ObjectField(
+            'Link', nullable=False)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_links = super(
+                Links, cls).obj_from_primitive(primitive, context)
+        else:
+            if 'vnf_lcm_op_occ' in primitive.keys():
+                obj_data = Link._from_dict(
+                    primitive.get('vnf_lcm_op_occ'))
+                primitive.update({'vnf_lcm_op_occ': obj_data})
+            if 'vnf_instance' in primitive.keys():
+                obj_data = Link._from_dict(
+                    primitive.get('vnf_instance'))
+                primitive.update({'vnf_instance': obj_data})
+            obj_links = Links._from_dict(primitive)
+
+        return obj_links
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        vnf_lcm_op_occ = data_dict.get('vnf_lcm_op_occ')
+        vnf_instance = data_dict.get('vnf_instance')
+
+        obj = cls(
+            vnf_lcm_op_occ=vnf_lcm_op_occ,
+            vnf_instance=vnf_instance)
+        return obj
+
+    def to_dict(self):
+        return {'vnf_lcm_op_occ': self.vnf_lcm_op_occ.to_dict(),
+                'vnf_instance': self.vnf_instance.to_dict()}
+
+
+@base.TackerObjectRegistry.register
+class Link(base.TackerObject):
+
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'href': fields.StringField(nullable=False)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            obj_link = super(
+                Link, cls).obj_from_primitive(primitive, context)
+        else:
+            obj_link = Link._from_dict(primitive)
+
+        return obj_link
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        href = data_dict.get('href')
+
+        obj = cls(
+            href=href)
+        return obj
+
+    def to_dict(self):
+        return {'href': self.href}
+
+
+@base.TackerObjectRegistry.register
+class ResourceHandle(base.TackerObject,
+                     base.TackerPersistentObject):
+    # Version 1.0: Initial version
+    VERSION = '1.0'
+
+    fields = {
+        'vim_connection_id': fields.StringField(nullable=True,
+                                                default=None),
+        'resource_id': fields.StringField(nullable=False, default=""),
+        'vim_level_resource_type': fields.StringField(nullable=True,
+                                                      default=None)
+    }
+
+    @classmethod
+    def obj_from_primitive(cls, primitive, context):
+        if 'tacker_object.name' in primitive:
+            resource_handle = super(
+                ResourceHandle, cls).obj_from_primitive(
+                primitive, context)
+        else:
+            resource_handle = ResourceHandle._from_dict(primitive)
+
+        return resource_handle
+
+    @classmethod
+    def _from_dict(cls, data_dict):
+        vim_connection_id = data_dict.get('vim_connection_id')
+        resource_id = data_dict.get('resource_id', "")
+        vim_level_resource_type = data_dict.get('vim_level_resource_type')
+
+        obj = cls(vim_connection_id=vim_connection_id,
+                  resource_id=resource_id,
+                  vim_level_resource_type=vim_level_resource_type)
+
+        return obj
+
+    def to_dict(self):
+        return {'vim_connection_id': self.vim_connection_id,
+                'resource_id': self.resource_id,
+                'vim_level_resource_type': self.vim_level_resource_type}

tacker/plugins/common/constants.py

@@ -32,14 +32,14 @@ COMMON_PREFIXES = {
 ACTIVE = "ACTIVE"
 ACK = "ACK"
 INACTIVE = "INACTIVE"
-
+PENDING_INSTANTIATE = "PENDING_INSTANTIATE"
 PENDING_CREATE = "PENDING_CREATE"
 PENDING_UPDATE = "PENDING_UPDATE"
 PENDING_DELETE = "PENDING_DELETE"
 PENDING_SCALE_IN = "PENDING_SCALE_IN"
 PENDING_SCALE_OUT = "PENDING_SCALE_OUT"
 PENDING_HEAL = "PENDING_HEAL"
-
+PENDING_TERMINATE = "PENDING_TERMINATE"
 DEAD = "DEAD"
 ERROR = "ERROR"
 NACK = "NACK"
@@ -55,6 +55,7 @@ POLICY_SCALING_ACTIONS = (ACTION_SCALE_OUT,
                           ACTION_SCALE_IN) = ('out', 'in')
 POLICY_ACTIONS = {POLICY_SCALING: POLICY_SCALING_ACTIONS}
 POLICY_ALARMING = 'tosca.policies.tacker.Alarming'
+POLICY_EVENT_ALARMING = 'tosca.policies.tacker.EventAlarming'
 VALID_POLICY_TYPES = [POLICY_SCALING, POLICY_ALARMING]
 POLICY_RESERVATION = 'tosca.policies.tacker.Reservation'
 RESERVATION_POLICY_ACTIONS = ['start_actions',
@@ -68,6 +69,8 @@ RES_TYPE_VNF = "vnf"
 RES_TYPE_VIM = "vim"
 
 RES_EVT_CREATE = "CREATE"
+RES_EVT_INSTANTIATE = "INSTANTIATE"
+RES_EVT_TERMINATE = "TERMINATE"
 RES_EVT_DELETE = "DELETE"
 RES_EVT_UPDATE = "UPDATE"
 RES_EVT_MONITOR = "MONITOR"
@@ -90,3 +93,8 @@ VNF_STATUS_TO_EVT_TYPES = {PENDING_CREATE: RES_EVT_CREATE,
 RES_EVT_CREATED_FLD = "created_at"
 RES_EVT_DELETED_FLD = "deleted_at"
 RES_EVT_UPDATED_FLD = "updated_at"
+
+TYPE_COMPUTE = "COMPUTE"
+TYPE_LINKPORT = "LINKPORT"
+TYPE_STORAGE = "STORAGE"
+TYPE_VL = "VL"

tacker/tests/unit/db/utils.py

@@ -34,6 +34,7 @@ tosca_cvnf_vnfd = _get_template('test_tosca_cvnf.yaml')
 tosca_vnfd_openwrt = _get_template('test_tosca_openwrt.yaml')
 tosca_vnfd_openwrt_param = _get_template('test_tosca_openwrt_param.yaml')
 tosca_invalid_vnfd = _get_template('test_tosca_parser_failure.yaml')
+etsi_vnfd = _get_template('etsi_nfv/tosca_vnfd.yaml')
 config_data = _get_template('config_data.yaml')
 update_config_data = _get_template('update_config_data.yaml')
 hot_data = _get_template('hot_data.yaml')
@@ -74,6 +75,11 @@ vnffgd_wrong_cp_number_template = yaml.safe_load(_get_template(
     'tosca_vnffgd_wrong_cp_number_template.yaml'))
 vnfd_instance_reservation_alarm_scale_tosca_template = _get_template(
     'test_tosca-vnfd-instance-reservation.yaml')
+hot_grant = _get_template('hot_grant.yaml')
+hot_scale_grant = _get_template('hot_scale_grant.yaml')
+hot_scale_nest_grant = _get_template('hot_scale_nest_grant.yaml')
+hot_scale_initial = _get_template('hot_scale_initial.yaml')
+hot_scale_nest_initial = _get_template('hot_scale_nest_initial.yaml')
 
 
 def get_dummy_vnfd_obj():
@@ -190,6 +196,57 @@ def get_dummy_vnf(status='PENDING_CREATE', scaling_group=False,
     return dummy_vnf
 
 
+def get_dummy_vnf_test(status='PENDING_CREATE', scaling_group=False,
+                  instance_id=None):
+    dummy_vnf = {'status': status, 'instance_id': instance_id, 'name':
+        u'test_openwrt', 'tenant_id': u'ad7ebc56538745a08ef7c5e97f8bd437',
+        'vnfd_id': u'eb094833-995e-49f0-a047-dfb56aaf7c4e',
+        'vnfd': {
+            'service_types': [{'service_type': u'vnfd',
+            'id': u'4a4c2d44-8a52-4895-9a75-9d1c76c3e738'}],
+            'description': u'OpenWRT with services',
+            'tenant_id': u'ad7ebc56538745a08ef7c5e97f8bd437',
+            'mgmt_driver': u'openwrt',
+            'attributes': {u'vnfd_simple': tosca_vnfd_openwrt},
+            'id': u'fb048660-dc1b-4f0f-bd89-b023666650ec',
+            'name': u'openwrt_services'},
+        'mgmt_ip_address': None, 'service_context': [],
+        'attributes': {u'param_values': u''},
+        'id': 'eb84260e-5ff7-4332-b032-50a14d6c1123',
+        'description': u'OpenWRT with services'}
+    if scaling_group:
+        dummy_vnf['attributes'].update({'scaling_group_names':
+                                   '{"SP1": "SP1_group"}',
+                                   'heat_template': 'test'})
+    return dummy_vnf
+
+
+def get_dummy_vnf_etsi(status='PENDING_CREATE', scaling_group=False,
+                       instance_id=None, flavour='Simple'):
+    vnfd_key = 'vnfd_' + flavour
+    dummy_vnf = {'status': status, 'instance_id': instance_id, 'name':
+        u'test_openwrt', 'tenant_id': u'ad7ebc56538745a08ef7c5e97f8bd437',
+        'vnfd_id': u'eb094833-995e-49f0-a047-dfb56aaf7c4e',
+        'vnfd': {
+            'service_types': [{'service_type': u'vnfd',
+            'id': u'4a4c2d44-8a52-4895-9a75-9d1c76c3e738'}],
+            'description': u'OpenWRT with services',
+            'tenant_id': u'ad7ebc56538745a08ef7c5e97f8bd437',
+            'mgmt_driver': u'openwrt',
+            'attributes': {vnfd_key: etsi_vnfd},
+            'id': u'fb048660-dc1b-4f0f-bd89-b023666650ec',
+            'name': u'openwrt_services'},
+        'mgmt_ip_address': None, 'service_context': [],
+        'attributes': {u'param_values': u''},
+        'id': 'eb84260e-5ff7-4332-b032-50a14d6c1123',
+        'description': u'OpenWRT with services'}
+    if scaling_group:
+        dummy_vnf['attributes'].update({'scaling_group_names':
+                                   '{"SP1": "SP1_group"}',
+                                   'heat_template': 'test'})
+    return dummy_vnf
+
+
 def get_dummy_vnf_config_attr():
     return {'status': 'PENDING_CREATE', 'instance_id': None, 'name':
         u'test_openwrt', 'tenant_id': u'ad7ebc56538745a08ef7c5e97f8bd437',
@@ -483,3 +540,23 @@ def get_dummy_vim_connection_info():
         'created_at': '', 'deleted': False, 'deleted_at': '',
         'id': 'fake_id', 'updated_at': '',
         'vim_id': 'fake_vim_id', 'vim_type': 'openstack'}
+
+
+def get_dummy_grant_hot():
+    return str(hot_grant)
+
+
+def get_dummy_scale_grant_hot():
+    return str(hot_scale_grant)
+
+
+def get_dummy_scale_nest_grant_hot():
+    return str(hot_scale_nest_grant)
+
+
+def get_dummy_scale_initial_hot():
+    return str(hot_scale_initial)
+
+
+def get_dummy_scale_nest_initial_hot():
+    return str(hot_scale_nest_initial)

tacker/tests/unit/objects/fakes.py

@@ -245,8 +245,9 @@ def get_vnf_instance_data_with_id(vnfd_id):
     }
 
 
-def get_lcm_op_occs_data(vnf_instance_id):
+def get_lcm_op_occs_data(id, vnf_instance_id):
     return {
+        "id": id,
         "tenant_id": uuidsentinel.tenant_id,
         'operation_state': 'PROCESSING',
         'state_entered_time': datetime.datetime(1900, 1, 1, 1, 1, 1,

tacker/tests/unit/objects/test_vnf_instance.py

@@ -16,6 +16,8 @@
 import ddt
 from unittest import mock
 
+from oslo_utils import uuidutils
+
 from tacker.common import exceptions
 from tacker import context
 from tacker.db import api as sqlalchemy_api
@@ -231,7 +233,9 @@ class TestVnfInstance(SqlTestCase):
         vnf_instance = objects.VnfInstance(context=self.context,
                                            **vnf_instance_data)
         vnf_instance.create()
+        id = uuidutils.generate_uuid()
         vnf_lcm_oppccs = fakes.get_lcm_op_occs_data(
+            id,
             vnf_instance.id)
 
         vnf_instance.update(

tacker/tests/unit/objects/test_vnf_lcm_op_occs.py

@@ -11,6 +11,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from oslo_utils import uuidutils
+
 from tacker import context
 from tacker import objects
 from tacker.tests.unit.db.base import SqlTestCase
@@ -58,21 +60,27 @@ class TestVnfLcmOpOcc(SqlTestCase):
         return vnf_instance
 
     def _create_vnf_lcm_op_occs(self):
-        vnf_lcm_op_occs_data = fakes.get_lcm_op_occs_data(self.vnf_instance.id)
+        id = uuidutils.generate_uuid()
+        vnf_lcm_op_occs_data = \
+            fakes.get_lcm_op_occs_data(id, self.vnf_instance.id)
         vnf_lcm_op_occs = objects.vnf_lcm_op_occs.VnfLcmOpOcc(
             context=self.context, **vnf_lcm_op_occs_data)
         vnf_lcm_op_occs.create()
         return vnf_lcm_op_occs
 
     def test_create(self):
-        vnf_lcm_op_occs_data = fakes.get_lcm_op_occs_data(self.vnf_instance.id)
+        id = uuidutils.generate_uuid()
+        vnf_lcm_op_occs_data = \
+            fakes.get_lcm_op_occs_data(id, self.vnf_instance.id)
         vnf_lcm_op_occs = objects.vnf_lcm_op_occs.VnfLcmOpOcc(
             context=self.context, **vnf_lcm_op_occs_data)
         vnf_lcm_op_occs.create()
         self.assertTrue(vnf_lcm_op_occs.vnf_instance_id)
 
     def test_save(self):
-        vnf_lcm_op_occs_data = fakes.get_lcm_op_occs_data(self.vnf_instance.id)
+        id = uuidutils.generate_uuid()
+        vnf_lcm_op_occs_data = \
+            fakes.get_lcm_op_occs_data(id, self.vnf_instance.id)
         vnf_lcm_op_occs = objects.vnf_lcm_op_occs.VnfLcmOpOcc(
             context=self.context, **vnf_lcm_op_occs_data)
         vnf_lcm_op_occs.create()

tacker/tests/unit/vnflcm/fakes.py

@@ -473,6 +473,10 @@ def get_instantiate_vnf_request_obj():
     ext_managed_virtual_link_data = ExtManagedVirtualLinkData()
     vim_connection_info = VimConnectionInfo()
     ext_virtual_link_data = ExtVirtualLinkData()
+    ext_managed_virtual_link_data.id = uuidsentinel.ext_id
+    ext_managed_virtual_link_data.vnf_virtual_link_desc_id = 'VL3'
+    ext_managed_virtual_link_data.resource_id = \
+        'f8c35bd0-4d67-4436-9f11-14b8a84c92aa'
     instantiate_vnf_req.additional_params = None
     instantiate_vnf_req.deleted = 0
     instantiate_vnf_req.ext_managed_virtual_links = \

tacker/tests/unit/vnflcm/test_vnflcm_driver.py

@@ -113,6 +113,10 @@ class FakeDriverManager(mock.Mock):
             if self.fail_method_name and \
                     self.fail_method_name == 'heal_vnf':
                 raise InfraDriverException("heal_vnf failed")
+        elif 'heal_vnf_standard' in args:
+            if self.fail_method_name and \
+                    self.fail_method_name == 'heal_vnf_standard':
+                raise InfraDriverException("heal_vnf_standard failed")
         elif 'heal_vnf_wait' in args:
             if self.fail_method_name and \
                     self.fail_method_name == 'heal_vnf_wait':
@@ -196,10 +200,8 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         driver.instantiate_vnf(self.context, vnf_instance_obj, vnf_dict,
                                instantiate_vnf_req_obj)
 
-        self.assertEqual("INSTANTIATED", vnf_instance_obj.instantiation_state)
-        self.assertEqual(2, mock_vnf_instance_save.call_count)
-        self.assertEqual(4, self._vnf_manager.invoke.call_count)
-        mock_final_vnf_dict.assert_called_once()
+        self.assertEqual(1, mock_vnf_instance_save.call_count)
+        self.assertEqual(3, self._vnf_manager.invoke.call_count)
         shutil.rmtree(fake_csar)
 
     @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
@@ -232,10 +234,8 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         driver.instantiate_vnf(self.context, vnf_instance_obj, vnf_dict,
                                instantiate_vnf_req_obj)
 
-        self.assertEqual("INSTANTIATED", vnf_instance_obj.instantiation_state)
-        self.assertEqual(2, mock_vnf_instance_save.call_count)
-        self.assertEqual(4, self._vnf_manager.invoke.call_count)
-        mock_final_vnf_dict.assert_called_once()
+        self.assertEqual(1, mock_vnf_instance_save.call_count)
+        self.assertEqual(3, self._vnf_manager.invoke.call_count)
         shutil.rmtree(fake_csar)
 
     @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
@@ -268,10 +268,8 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         driver.instantiate_vnf(self.context, vnf_instance_obj, vnf_dict,
                                instantiate_vnf_req_obj)
 
-        self.assertEqual("INSTANTIATED", vnf_instance_obj.instantiation_state)
-        self.assertEqual(2, mock_vnf_instance_save.call_count)
-        self.assertEqual(4, self._vnf_manager.invoke.call_count)
-        mock_final_vnf_dict.assert_called_once()
+        self.assertEqual(1, mock_vnf_instance_save.call_count)
+        self.assertEqual(3, self._vnf_manager.invoke.call_count)
         shutil.rmtree(fake_csar)
 
     @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
@@ -335,6 +333,12 @@ class TestVnflcmDriver(db_base.SqlTestCase):
             objects.InstantiateVnfRequest.obj_from_primitive(
                 instantiate_vnf_req_dict, self.context)
         vnf_instance_obj = fakes.return_vnf_instance()
+        level = instantiate_vnf_req_obj.instantiation_level_id
+        vnf_instance_obj.instantiated_vnf_info = objects.InstantiatedVnfInfo(
+            flavour_id=instantiate_vnf_req_obj.flavour_id,
+            instantiation_level_id=level,
+            vnf_instance_id=vnf_instance_obj.id,
+            ext_cp_info=[])
 
         fake_csar = os.path.join(self.temp_dir, vnf_package_id)
         cfg.CONF.set_override('vnf_package_csar_path', self.temp_dir,
@@ -386,7 +390,8 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         driver.instantiate_vnf(self.context, vnf_instance_obj, vnf_dict,
                                instantiate_vnf_req_obj)
         self.assertEqual(2, mock_create.call_count)
-        self.assertEqual("INSTANTIATED", vnf_instance_obj.instantiation_state)
+        self.assertEqual("NOT_INSTANTIATED",
+        vnf_instance_obj.instantiation_state)
         mock_final_vnf_dict.assert_called_once()
         shutil.rmtree(fake_csar)
 
@@ -419,7 +424,6 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         driver.instantiate_vnf(self.context, vnf_instance_obj, vnf_dict,
                                instantiate_vnf_req_obj)
         self.assertEqual(2, mock_create.call_count)
-        self.assertEqual("INSTANTIATED", vnf_instance_obj.instantiation_state)
         mock_final_vnf_dict.assert_called_once()
         shutil.rmtree(fake_csar)
 
@@ -540,6 +544,7 @@ class TestVnflcmDriver(db_base.SqlTestCase):
     @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
     @mock.patch.object(TackerManager, 'get_service_plugins',
         return_value={'VNFM': FakeVNFMPlugin()})
+    @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
     @mock.patch.object(objects.VnfPackageVnfd, 'get_by_id')
     @mock.patch.object(vim_client.VimClient, "get_vim")
     @mock.patch.object(objects.VnfResource, "create")
@@ -550,7 +555,8 @@ class TestVnflcmDriver(db_base.SqlTestCase):
     def test_heal_vnf_without_vnfc_instance(self, mock_log, mock_save,
             mock_vnf_resource_list, mock_resource_destroy,
             mock_resource_create, mock_vim, mock_vnf_package_vnfd,
-            mock_get_service_plugins, mock_final_vnf_dict):
+            mock_make_final_vnf_dict, mock_get_service_plugins,
+            mock_final_vnf_dict):
         vnf_package_vnfd = fakes.return_vnf_package_vnfd()
         vnf_package_id = vnf_package_vnfd.package_uuid
         mock_vnf_package_vnfd.return_value = vnf_package_vnfd
@@ -582,6 +588,7 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         self._mock_vnf_manager()
         driver = vnflcm_driver.VnfLcmDriver()
         vnf_dict = {"attributes": {}}
+        mock_make_final_vnf_dict.return_value = {}
         driver.heal_vnf(self.context, vnf_instance, vnf_dict, heal_vnf_req)
         self.assertEqual(1, mock_save.call_count)
         # vnf resource software images will be deleted during
@@ -590,9 +597,9 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         # Vnf resource software images will be created during
         # instantiation.
         self.assertEqual(1, mock_resource_create.call_count)
-        # Invoke will be called 7 times, 3 for deleting the vnf
-        # resources  and 4 during instantiation.
-        self.assertEqual(7, self._vnf_manager.invoke.call_count)
+        # Invoke will be called 6 times, 3 for deleting the vnf
+        # resources  and 3 during instantiation.
+        self.assertEqual(6, self._vnf_manager.invoke.call_count)
         expected_msg = ("Request received for healing vnf '%s' "
                        "is completed successfully")
         mock_log.info.assert_called_with(expected_msg,
@@ -632,6 +639,7 @@ class TestVnflcmDriver(db_base.SqlTestCase):
     @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
     @mock.patch.object(TackerManager, 'get_service_plugins',
         return_value={'VNFM': FakeVNFMPlugin()})
+    @mock.patch('tacker.vnflcm.utils._make_final_vnf_dict')
     @mock.patch.object(objects.VnfPackageVnfd, 'get_by_id')
     @mock.patch.object(vim_client.VimClient, "get_vim")
     @mock.patch.object(objects.VnfResource, "create")
@@ -642,8 +650,8 @@ class TestVnflcmDriver(db_base.SqlTestCase):
     def test_heal_vnf_without_vnfc_instance_infra_instantiate_vnf_fail(self,
             mock_log, mock_save, mock_vnf_resource_list,
             mock_resource_destroy, mock_resource_create, mock_vim,
-            mock_vnf_package_vnfd, mock_get_service_plugins,
-            mock_final_vnf_dict):
+            mock_vnf_package_vnfd, mock_make_final_vnf_dict,
+            mock_get_service_plugins, mock_final_vnf_dict):
         vnf_package_vnfd = fakes.return_vnf_package_vnfd()
         vnf_package_id = vnf_package_vnfd.package_uuid
         mock_vnf_package_vnfd.return_value = vnf_package_vnfd
@@ -664,6 +672,7 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         self._mock_vnf_manager(fail_method_name='instantiate_vnf')
         driver = vnflcm_driver.VnfLcmDriver()
         vnf_dict = {"fake": "fake_dict"}
+        mock_make_final_vnf_dict.return_value = {}
         self.assertRaises(exceptions.VnfHealFailed,
                           driver.heal_vnf, self.context,
                           vnf_instance, vnf_dict, heal_vnf_req)
@@ -814,6 +823,10 @@ class TestVnflcmDriver(db_base.SqlTestCase):
     @mock.patch.object(driver_manager.DriverManager, "invoke")
     def test_scale_true(self, mock_invoke, mock_get_service_plugins):
         vnf_info = fakes._get_vnf()
+        vnf_info['attributes']['scale_group'] = '{\"scaleGroupDict\": ' + \
+            '{ \"SP1\": { \"vdu\": [\"VDU1\"], \"num\": ' + \
+            '1, \"maxLevel\": 3, \"initialNum\": 0, ' + \
+            '\"initialLevel\": 0, \"default\": 0 }}}'
         scale_vnf_request = fakes.scale_request("SCALE_IN", 1, "True")
         vim_connection_info = vim_connection.VimConnectionInfo(
             vim_type="fake_type")
@@ -830,6 +843,10 @@ class TestVnflcmDriver(db_base.SqlTestCase):
     def test_scale_false_in(self, mock_invoke, mock_safe_load,
             mock_get_service_plugins):
         vnf_info = fakes._get_vnf()
+        vnf_info['attributes']['scale_group'] = '{\"scaleGroupDict\": ' + \
+            '{ \"SP1\": { \"vdu\": [\"VDU1\"], \"num\": ' + \
+            '1, \"maxLevel\": 3, \"initialNum\": 0, ' + \
+            '\"initialLevel\": 0, \"default\": 0 }}}'
         scale_vnf_request = fakes.scale_request("SCALE_IN", 1, "False")
         vim_connection_info = vim_connection.VimConnectionInfo(
             vim_type="fake_type")
@@ -846,9 +863,36 @@ class TestVnflcmDriver(db_base.SqlTestCase):
         return_value={'VNFM': FakeVNFMPlugin()})
     @mock.patch.object(yaml, "safe_load")
     @mock.patch.object(driver_manager.DriverManager, "invoke")
-    def test_scale_false_out(self, mock_invoke, mock_safe_load,
-            mock_get_service_plugins):
+    def test_scale_false_out_initial(self, mock_invoke, mock_safe_load,
+                               mock_get_service_plugins):
         vnf_info = fakes._get_vnf()
+        vnf_info['attributes']['scale_group'] = '{\"scaleGroupDict\": ' + \
+            '{ \"SP1\": { \"vdu\": [\"VDU1\"], \"num\": ' + \
+            '1, \"maxLevel\": 3, \"initialNum\": 0, ' + \
+            '\"initialLevel\": 0, \"default\": 0 }}}'
+        scale_vnf_request = fakes.scale_request("SCALE_OUT", 1, "False")
+        vim_connection_info = vim_connection.VimConnectionInfo(
+            vim_type="fake_type")
+        scale_name_list = ["fake"]
+        grp_id = "fake_id"
+        with open(vnf_info["attributes"]["heat_template"], "r") as f:
+            mock_safe_load.return_value = yaml.safe_load(f)
+            print(mock_safe_load.return_value)
+        driver = vnflcm_driver.VnfLcmDriver()
+        driver.scale(self.context, vnf_info, scale_vnf_request,
+        vim_connection_info, scale_name_list, grp_id)
+
+    @mock.patch.object(TackerManager, 'get_service_plugins',
+        return_value={'VNFM': FakeVNFMPlugin()})
+    @mock.patch.object(yaml, "safe_load")
+    @mock.patch.object(driver_manager.DriverManager, "invoke")
+    def test_scale_false_out_level_up(self, mock_invoke, mock_safe_load,
+                               mock_get_service_plugins):
+        vnf_info = fakes._get_vnf()
+        vnf_info['attributes']['scale_group'] = '{\"scaleGroupDict\": ' + \
+            '{ \"SP1\": { \"vdu\": [\"VDU1\"], \"num\": ' + \
+            '1, \"maxLevel\": 3, \"initialNum\": 0, ' + \
+            '\"initialLevel\": 0, \"default\": 1 }}}'
         scale_vnf_request = fakes.scale_request("SCALE_OUT", 1, "False")
         vim_connection_info = vim_connection.VimConnectionInfo(
             vim_type="fake_type")

tacker/tests/unit/vnfm/infra_drivers/openstack/data/etsi_nfv/tosca_vnfd.yaml

@@ -0,0 +1,98 @@
+tosca_definitions_version: tosca_simple_yaml_1_2
+
+description: >
+  Template for test _generate_hot_from_tosca().
+
+imports:
+  - etsi_nfv_sol001_common_types.yaml
+  - etsi_nfv_sol001_vnfd_types.yaml
+
+node_types:
+topology_template:
+  node_templates:
+    VDU1:
+      type: tosca.nodes.nfv.Vdu.Compute
+      properties:
+        name: VDU1
+        description: VDU1 compute node
+        vdu_profile:
+          min_number_of_instances: 1
+          max_number_of_instances: 1
+        sw_image_data:
+          name: Software of VDU1
+          version: '0.4.0'
+          checksum:
+            algorithm: sha-256
+            hash: b9c3036539fd7a5f87a1bf38eb05fdde8b556a1a7e664dbeda90ed3cd74b4f9d
+          container_format: bare
+          disk_format: qcow2
+          min_disk: 1 GiB
+          size: 1 GiB
+      artifacts:
+        sw_image:
+          type: tosca.artifacts.nfv.SwImage
+          file: Files/images/cirros-0.4.0-x86_64-disk.img
+      capabilities:
+        virtual_compute:
+          properties:
+            virtual_memory:
+              virtual_mem_size: 512 MiB
+            virtual_cpu:
+              num_virtual_cpu: 1
+            virtual_local_storage:
+              - size_of_storage: 1 GiB
+      requirements:
+        - virtual_storage: VB1
+
+    VB1:
+      type: tosca.nodes.nfv.Vdu.VirtualBlockStorage
+      properties:
+        virtual_block_storage_data:
+          size_of_storage: 100 GB
+          rdma_enabled: true
+        sw_image_data:
+          name: cirros
+          version: '0.0.0'
+          checksum:
+            algorithm: sha512
+            hash: f0fd1b50420dce4ca382ccfbb528eef3a38bbeff00b54e95e3876b9bafe7ed2d6f919ca35d9046d437c6d2d8698b1174a335fbd66035bb3edc525d2cdb187232
+          container_format: bare
+          disk_format: qcow2
+          min_disk: 0 B
+          min_ram: 0 B
+          size: 13267968 B
+
+    CP1:
+      type: tosca.nodes.nfv.VduCp
+      properties:
+        layer_protocols: [ ipv4 ]
+        order: 0
+      requirements:
+        - virtual_binding: VDU1
+        - virtual_link: VL3
+
+    VL3:
+      type: tosca.nodes.nfv.VnfVirtualLink
+      properties:
+        connectivity_type:
+          layer_protocols: [ ipv4 ]
+        description: Internal Virtual link in the VNF
+        vl_profile:
+          max_bitrate_requirements:
+            root: 1048576
+            leaf: 1048576
+          min_bitrate_requirements:
+            root: 1048576
+            leaf: 1048576
+          virtual_link_protocol_data:
+            - associated_layer_protocol: ipv4
+              l3_protocol_data:
+                ip_version: ipv4
+                cidr: 33.33.0.0/24
+
+  policies:
+    - policy_affinity_local_VDU1:
+        type: tosca.policies.nfv.AntiAffinityRule
+        targets: [ VDU1 ]
+        properties:
+          scope: zone

tacker/tests/unit/vnfm/infra_drivers/openstack/data/hot_grant.yaml

@@ -0,0 +1,27 @@
+heat_template_version: 2016-10-14
+description: test
+parameters:
+  DB11_image:
+    type: string
+    default: cirros
+resources:
+  DB11:
+    type: OS::Nova::Server
+    properties:
+      user_data_format: SOFTWARE_CONFIG
+      availability_zone: nova
+      block_device_mapping_v2:
+        - device_name: vda
+          volume_id: {get_resource: ST1}
+      flavor: m1.tiny
+      networks:
+      - port: {get_resource: DB11-CP}
+      config_drive: false
+  DB11-CP:
+    type: OS::Neutron::Port
+    properties:
+      network: net_mgmt
+outputs:
+  id-DB11:
+    value:
+      get_attr: [DB11-CP, fixed_ips, 0, ip_address]

tacker/tests/unit/vnfm/infra_drivers/openstack/data/hot_scale_grant.yaml

@@ -0,0 +1,31 @@
+heat_template_version: 2013-05-23
+description: test
+parameters:
+  current_num:
+    type: number
+  nfv:
+    type: json
+resources:
+  SP1_scale_out:
+    type: OS::Heat::ScalingPolicy
+    properties:
+      auto_scaling_group_id: {get_resource: SP1_group}
+      adjustment_type: change_in_capacity
+      scaling_adjustment: 1
+  SP1_group:
+    type: OS::Heat::AutoScalingGroup
+    properties:
+      min_size: 0
+      desired_capacity: {get_param: current_num}
+      resource:
+        type: SP1_res.yaml
+        properties:
+          nfv: {get_param: nfv}
+      max_size: 3
+  SP1_scale_in:
+    type: OS::Heat::ScalingPolicy
+    properties:
+      auto_scaling_group_id: {get_resource: SP1_group}
+      adjustment_type: change_in_capacity
+      scaling_adjustment: -1
+outputs: {}

tacker/tests/unit/vnfm/infra_drivers/openstack/data/hot_scale_initial.yaml

@@ -0,0 +1,31 @@
+heat_template_version: 2013-05-23
+description: test
+parameters:
+  current_num:
+    type: number
+  nfv:
+    type: json
+resources:
+  SP1_scale_out:
+    type: OS::Heat::ScalingPolicy
+    properties:
+      auto_scaling_group_id: {get_resource: SP1_group}
+      adjustment_type: change_in_capacity
+      scaling_adjustment: 1
+  SP1_group:
+    type: OS::Heat::AutoScalingGroup
+    properties:
+      min_size: 0
+      desired_capacity: {get_param: current_num}
+      resource:
+        type: SP1_res.yaml
+        properties:
+          nfv: {get_param: nfv}
+      max_size: 3
+  SP1_scale_in:
+    type: OS::Heat::ScalingPolicy
+    properties:
+      auto_scaling_group_id: {get_resource: SP1_group}
+      adjustment_type: change_in_capacity
+      scaling_adjustment: -1
+outputs: {}

tacker/tests/unit/vnfm/infra_drivers/openstack/data/hot_scale_nest_grant.yaml

@@ -0,0 +1,57 @@
+heat_template_version: 2013-05-23
+description: test
+parameters:
+  DB11_image:
+    type: string
+    default: cirros
+  my_compute_placement_policy:
+    type: string
+    default: ssss
+resources:
+  DB11:
+    type: OS::Nova::Server
+    properties:
+      user_data_format: SOFTWARE_CONFIG
+      availability_zone: nova
+      scheduler_hints:
+        group: {get_resource: my_compute_placement_policy}
+      block_device_mapping_v2:
+        - device_name: vda
+          volume_id: {get_resource: ENUMm0-VB}
+      flavor: m1.tiny
+      networks:
+      - port: {get_resource: DB11-CP}
+      config_drive: false
+  DB11-CP:
+    type: OS::Neutron::Port
+    properties:
+      network: {get_resource: DB11-VL}
+  DB12:
+    type: OS::Nova::Server
+    properties:
+      user_data_format: SOFTWARE_CONFIG
+      availability_zone: nova
+      image: cirros
+      flavor: m1.tiny
+      networks:
+      - port: {get_resource: DB12-CP}
+      config_drive: false
+  DB12-CP:
+    type: OS::Neutron::Port
+    properties:
+      network: {get_resource: DB11-VL}
+  DB12-VB:
+    properties: {image: cirros, size: \'1\'}
+    type: OS::Cinder::Volume
+  ENUMm0-VB:
+    properties:
+      image: {get_param: DB11_image}
+      size: \'1\'
+    type: OS::Cinder::Volume
+  DB12-CB:
+    properties:
+      instance_uuid: {get_resource: DB12}
+      mountpoint: /dev/vdb
+      volume_id: {get_resource: DB12-VB}
+    type: OS::Cinder::VolumeAttachment
+outputs: {}

tacker/tests/unit/vnfm/infra_drivers/openstack/data/hot_scale_nest_initial.yaml

@@ -0,0 +1,27 @@
+heat_template_version: 2016-10-14
+description: test
+parameters:
+  DB11_image:
+    type: string
+    default: cirros
+resources:
+  DB11:
+    type: OS::Nova::Server
+    properties:
+      user_data_format: SOFTWARE_CONFIG
+      availability_zone: nova
+      block_device_mapping_v2:
+        - device_name: vda
+          volume_id: {get_resource: ST1}
+      flavor: m1.tiny
+      networks:
+      - port: {get_resource: DB11-CP}
+      config_drive: false
+  DB11-CP:
+    type: OS::Neutron::Port
+    properties:
+      network: net_mgmt
+outputs:
+  id-DB11:
+    value:
+      get_attr: [DB11-CP, fixed_ips, 0, ip_address]

tacker/tests/unit/vnfm/infra_drivers/openstack/test_openstack_driver.py

@@ -23,8 +23,12 @@ import ddt
 import requests
 import yaml
 
+from heatclient.v1 import resources
+from oslo_serialization import jsonutils
 from tacker.common import exceptions
+from tacker.common import utils as cutils
 from tacker import context
+from tacker.db.db_sqlalchemy import models
 from tacker.extensions import vnfm
 from tacker import objects
 from tacker.tests.common import helpers
@@ -39,6 +43,21 @@ from tacker.vnfm.infra_drivers.openstack import heat_client as hc
 from tacker.vnfm.infra_drivers.openstack import openstack
 
 
+vnf_dict = {
+    'instance_id': 'd1121d3c-368b-4ac2-b39d-835aa3e4ccd8'
+}
+
+
+class FakeAlarmPlugin():
+    def add_alarm_url_to_vnf(self, context, vnf):
+        return
+
+
+class FakePlugin():
+    def get_vnf(self, context, id):
+        return vnf_dict
+
+
 @ddt.ddt
 class TestOpenStack(base.FixturedTestCase):
     client_fixture_class = client.ClientFixture
@@ -144,7 +163,8 @@ class TestOpenStack(base.FixturedTestCase):
                            mock_get_base_hot_dict,
                            mock_get_vnflcm_interface,
                            mock_format_base_hot):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -156,7 +176,7 @@ class TestOpenStack(base.FixturedTestCase):
             'instantiate_vnf_request_lcm_userdata.json')
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         vnf_resource = type('', (), {})
         vnf_resource.resource_identifier = constants.INVALID_UUID
         grant_info_test = {'vdu_name': {vnf_resource}}
@@ -171,6 +191,105 @@ class TestOpenStack(base.FixturedTestCase):
                 grant_info=grant_info_test,
                 vnf_instance=vnf_instance)
 
+    @mock.patch('tacker.vnfm.infra_drivers.openstack.openstack'
+                '.OpenStack._format_base_hot')
+    @mock.patch('tacker.vnflcm.utils.get_base_nest_hot_dict')
+    @mock.patch('tacker.common.clients.OpenstackClients')
+    def test_create_grant(self, mock_OpenstackClients_heat,
+                          mock_get_base_hot_dict,
+                          mock_format_base_hot):
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
+        vnf['placement_attr'] = {'region_name': 'dummy_region'}
+        base_hot_dict_test = self._read_file()
+        vnf_package_path_test = os.path.abspath(
+            os.path.join(os.path.dirname(__file__),
+                         "../../../../etc/samples/etsi/nfv",
+                         "user_data_sample_normal"))
+        inst_req_info_test = type('', (), {})
+        test_json = self._json_load(
+            'instantiate_vnf_request_lcm_userdata.json')
+        inst_req_info_test.additional_params = test_json['additionalParams']
+        inst_req_info_test.ext_virtual_links = None
+        inst_req_info_test.flavour_id = 'simple'
+        vnf_resource = type('', (), {})
+        vnf_resource.resource_identifier = constants.INVALID_UUID
+        grant_info_test = {'vdu_name': {vnf_resource}}
+        nested_hot_dict = {'parameters': {'vnf': 'test'}}
+        mock_get_base_hot_dict.return_value = \
+            self._read_file(), nested_hot_dict
+        vimAssets = {'compute_resource_flavours': [
+            {'vim_connection_id': uuidsentinel.vim_id,
+             'vnfd_virtual_compute_desc_id': 'VDU1',
+             'vim_flavour_id': 'm1.tiny'}],
+            'softwareImages': [
+            {'vim_connection_id': uuidsentinel.vim_id,
+             'vnfd_software_image_id': 'VDU1',
+             'vim_software_image_id': 'cirros'}]}
+        resAddResource = []
+        resource = {
+            'resource_definition_id': '2c6e5cc7-240d-4458-a683-1fe648351280',
+            'vim_connection_id': uuidsentinel.vim_id,
+            'zone_id': '5e4da3c3-4a55-412a-b624-843921f8b51d'}
+        resAddResource.append(resource)
+        resource = {
+            'resource_definition_id': 'faf14707-da7c-4eec-be99-8099fa1e9fa9',
+            'vim_connection_id': uuidsentinel.vim_id,
+            'zone_id': '5e4da3c3-4a55-412a-b624-843921f8b51d'}
+        resAddResource.append(resource)
+        resource = {
+            'resource_definition_id': 'faf14707-da7c-4eec-be99-8099fa1e9fa0',
+            'vim_connection_id': uuidsentinel.vim_id,
+            'zone_id': '5e4da3c3-4a55-412a-b624-843921f8b51d'}
+        resAddResource.append(resource)
+        resource = {
+            'resource_definition_id': 'faf14707-da7c-4eec-be99-8099fa1e9fa1',
+            'vim_connection_id': uuidsentinel.vim_id,
+            'zone_id': '5e4da3c3-4a55-412a-b624-843921f8b51d'}
+        resAddResource.append(resource)
+        zone = {
+            'id': '5e4da3c3-4a55-412a-b624-843921f8b51d',
+            'zone_id': 'nova',
+            'vim_connection_id': uuidsentinel.vim_id}
+        vim_obj = {'id': '0b9c66bb-9e1f-4bb2-92c3-913074e52e2b',
+                   'vim_id': uuidsentinel.vim_id,
+                   'vim_type': 'openstack',
+                   'access_info': {
+                       'password': 'test_pw',
+                       'username': 'test_user',
+                       'region': 'test_region',
+                       'tenant': uuidsentinel.tenant}}
+        grant_dict = {}
+        grant_dict['id'] = 'c213e465-8220-487e-9464-f79104e81e96'
+        grant_dict['vnf_instance_id'] = uuidsentinel.vnf_instance_id
+        grant_dict['vnf_lcm_op_occ_id'] = uuidsentinel.vnf_lcm_op_occ_id
+        grant_dict['add_resources'] = []
+        grant_dict['add_resources'].extend(resAddResource)
+        grant_dict['vim_assets'] = vimAssets
+        grant_dict['zones'] = [zone]
+        grant_dict['vim_connections'] = [vim_obj]
+        grant_obj = objects.Grant.obj_from_primitive(
+            grant_dict, context=self.context)
+        vnf['grant'] = grant_obj
+        vnf_instance = fd_utils.get_vnf_instance_object()
+        vnf_instance.instantiated_vnf_info.reinitialize()
+        vnfc_obj = objects.VnfcResourceInfo()
+        vnfc_obj.id = '2c6e5cc7-240d-4458-a683-1fe648351280'
+        vnfc_obj.vdu_id = 'VDU1'
+        vnfc_obj.storage_resource_ids = \
+            ['faf14707-da7c-4eec-be99-8099fa1e9fa0']
+        compute_resource = objects.ResourceHandle(
+            vim_connection_id=uuidsentinel.vim_id,
+            resource_id='6e1c286d-c023-4b34-8369-831c6e84cce2')
+        vnfc_obj.compute_resource = compute_resource
+        vnf_instance.instantiated_vnf_info.vnfc_resource_info = [vnfc_obj]
+        self.openstack.create(self.plugin, self.context, vnf,
+                self.auth_attr, inst_req_info=inst_req_info_test,
+                vnf_package_path=vnf_package_path_test,
+                base_hot_dict=base_hot_dict_test,
+                grant_info=grant_info_test,
+                vnf_instance=vnf_instance)
+
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_heat_stack(self, mock_OpenstackClients_heat):
         vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
@@ -236,7 +355,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_userdata_null(self, mock_OpenstackClients_heat,
                                   mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -251,7 +371,7 @@ class TestOpenStack(base.FixturedTestCase):
 
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         grant_info_test = None
         nested_hot_dict = {'test': 'test'}
         mock_get_base_hot_dict.return_value = \
@@ -270,7 +390,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_userdataclass_null(self, mock_OpenstackClients_heat,
                                        mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -285,7 +406,7 @@ class TestOpenStack(base.FixturedTestCase):
 
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         grant_info_test = None
         nested_hot_dict = {'test': 'test'}
         mock_get_base_hot_dict.return_value = \
@@ -304,7 +425,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_import_module_exception(self, mock_OpenstackClients_heat,
                                             mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -316,7 +438,7 @@ class TestOpenStack(base.FixturedTestCase):
             'instantiate_vnf_request_lcm_userdata.json')
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         grant_info_test = None
         nested_hot_dict = {'test': 'test'}
         mock_get_base_hot_dict.return_value = \
@@ -337,7 +459,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_getattr_none(self, mock_OpenstackClients_heat,
                                  mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -370,7 +493,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_missing_file(self, mock_OpenstackClients_heat,
                                  mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -382,7 +506,7 @@ class TestOpenStack(base.FixturedTestCase):
             'instantiate_vnf_request_lcm_userdata.json')
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         vnf_resource = type('', (), {})
         vnf_resource.resource_identifier = constants.INVALID_UUID
         grant_info_test = {'vdu_name': {vnf_resource}}
@@ -403,7 +527,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_return_none_dict(self, mock_OpenstackClients_heat,
                                      mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -417,7 +542,7 @@ class TestOpenStack(base.FixturedTestCase):
             'UserData/lcm_user_data_non_dict.py'
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         vnf_resource = type('', (), {})
         vnf_resource.resource_identifier = constants.INVALID_UUID
         grant_info_test = {'vdu_name': {vnf_resource}}
@@ -438,7 +563,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_none_base_hot_dict(self, mock_OpenstackClients_heat,
                                        mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         inst_req_info_test = type('', (), {})
         test_json = self._json_load(
@@ -465,7 +591,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_invalid_user_data(self, mock_OpenstackClients_heat,
                                       mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -481,7 +608,7 @@ class TestOpenStack(base.FixturedTestCase):
 
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         grant_info_test = None
         nested_hot_dict = {'test': 'test'}
         mock_get_base_hot_dict.return_value = \
@@ -501,7 +628,8 @@ class TestOpenStack(base.FixturedTestCase):
     def test_create_invalid_user_data_class(self,
             mock_OpenstackClients_heat,
             mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -517,7 +645,7 @@ class TestOpenStack(base.FixturedTestCase):
 
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         grant_info_test = None
         nested_hot_dict = {'test': 'test'}
         mock_get_base_hot_dict.return_value = \
@@ -536,7 +664,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_lcm_user_data_and_user_data_class_no_value(self,
             mock_OpenstackClients_heat, mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -553,7 +682,7 @@ class TestOpenStack(base.FixturedTestCase):
 
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = test_json['extVirtualLinks']
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         vnf_resource = type('', (), {})
         vnf_resource.resource_identifier = constants.INVALID_UUID
         grant_info_test = {'vdu_name': {vnf_resource}}
@@ -620,7 +749,8 @@ class TestOpenStack(base.FixturedTestCase):
     @mock.patch('tacker.common.clients.OpenstackClients')
     def test_create_instance_exception(self, mock_OpenstackClients_heat,
                                        mock_get_base_hot_dict):
-        vnf = utils.get_dummy_vnf(instance_id=self.instance_uuid)
+        vnf = utils.get_dummy_vnf_etsi(instance_id=self.instance_uuid,
+                                       flavour='simple')
         vnf['placement_attr'] = {'region_name': 'dummy_region'}
         base_hot_dict_test = self._read_file()
         vnf_package_path_test = os.path.abspath(
@@ -634,7 +764,7 @@ class TestOpenStack(base.FixturedTestCase):
             'UserData/lcm_user_data_invalid_script.py'
         inst_req_info_test.additional_params = test_json['additionalParams']
         inst_req_info_test.ext_virtual_links = None
-        inst_req_info_test.flavour_id = test_json['flavourId']
+        inst_req_info_test.flavour_id = 'simple'
         vnf_resource = type('', (), {})
         vnf_resource.resource_identifier = constants.INVALID_UUID
         grant_info_test = {'vdu_name': {vnf_resource}}
@@ -1633,3 +1763,190 @@ class TestOpenStack(base.FixturedTestCase):
                         "stack_id %s") % (vnf_instance.id,
                         uuidsentinel.stack_id)
         self.assertEqual(expected_msg, str(result))
+
+    def test_get_grant_resource_scale_out(self):
+        vnfc_resource_info = fd_utils.get_vnfc_resource_info()
+
+        inst_vnf_info = fd_utils.get_vnf_instantiated_info(
+            vnfc_resource_info=[vnfc_resource_info])
+
+        vnf_instance = fd_utils.get_vnf_instance_object(
+            instantiated_vnf_info=inst_vnf_info)
+
+        vim_connection_info = fd_utils.get_vim_connection_info_object()
+        scale_vnf_request = objects.ScaleVnfRequest(type='SCALE_OUT',
+                                                   aspect_id='SP1',
+                                                   number_of_steps=1)
+        test_res = '[{"id_type": "RES_MGMT", "resource_id": ' + \
+            '"2c6e5cc7-240d-4458-a683-1fe648351200",' + \
+            ' "vim_connection_id": ' + \
+            '"2a63bee3-0c43-4568-bcfa-b0cb733e064c"}]'
+        placemnt = models.PlacementConstraint(
+            id='c2947d8a-2c67-4e8f-ad6f-c0889b351c17',
+            vnf_instance_id=uuidsentinel.vnf_instance_id,
+            affinity_or_anti_affinity='ANTI_AFFINITY',
+            scope='ZONE',
+            server_group_name='my_compute_placement_policy',
+            resource=test_res)
+        placement_obj_list = [placemnt]
+        del_list = []
+        vnf_info = {}
+        vnf_info['attributes'] = {}
+        vnf_info['attributes']['scale_group'] = '{\"scaleGroupDict\": ' + \
+            '{ \"SP1\": { \"vdu\": [\"VDU1\"], \"num\": ' + \
+            '1, \"maxLevel\": 3, \"initialNum\": 0, ' + \
+            '\"initialLevel\": 0, \"default\": 0 }}}'
+        vnf_info['attributes']['heat_template'] = utils.\
+            get_dummy_scale_grant_hot()
+        vnf_info['attributes']['SP1_res.yaml'] = utils.\
+            get_dummy_scale_nest_grant_hot()
+        self.openstack.get_grant_resource(
+            vnf_instance,
+            vnf_info,
+            scale_vnf_request,
+            placement_obj_list,
+            vim_connection_info,
+            del_list)
+        self.assertEqual(1, len(vnf_info['placement_constraint_list']))
+
+    @mock.patch.object(hc.HeatClient, "resource_get_list")
+    def test_get_grant_resource_scale_in(self, mock_list):
+        v_s_resource_info = fd_utils.get_virtual_storage_resource_info(
+            desc_id="storage1", set_resource_id=False)
+
+        storage_resource_ids = [v_s_resource_info.id]
+        vnfc_resource_info = fd_utils.get_vnfc_resource_info(vdu_id="VDU_VNF",
+            storage_resource_ids=storage_resource_ids, set_resource_id=False)
+
+        v_l_resource_info = fd_utils.get_virtual_link_resource_info(
+            vnfc_resource_info.vnfc_cp_info[0].vnf_link_port_id,
+            vnfc_resource_info.vnfc_cp_info[0].id)
+
+        inst_vnf_info = fd_utils.get_vnf_instantiated_info(
+            virtual_storage_resource_info=[v_s_resource_info],
+            vnf_virtual_link_resource_info=[v_l_resource_info],
+            vnfc_resource_info=[vnfc_resource_info])
+
+        vnf_instance = fd_utils.get_vnf_instance_object(
+            instantiated_vnf_info=inst_vnf_info)
+
+        vim_connection_info = fd_utils.get_vim_connection_info_object()
+        scale_vnf_request = objects.ScaleVnfRequest(type='SCALE_IN',
+                                                   aspect_id='SP1',
+                                                   number_of_steps=1)
+        placement_obj_list = []
+        del_list = ['58337c61-3148-4c29-892f-68b043c009ea']
+        vnf_info = {}
+        res_list = []
+        vdu_id = uuidsentinel.vdu_resource_id
+        vnf_instance.instantiated_vnf_info.vnfc_resource_info[0].\
+            compute_resource.resource_id = vdu_id
+        resource2 = resources.Resource(None, {
+            'resource_name': 'aaaaaaaa',
+            'resource_type': 'OS::Nova::Server',
+            'creation_time': '2020-01-01T00:00:00',
+            'resource_status': 'CREATE_COMPLETE',
+            'physical_resource_id': vdu_id,
+            'id': '1111'
+        })
+        res_list.append(resource2)
+        port_id = uuidsentinel.virtual_link_port_resource_id
+        vnf_instance.instantiated_vnf_info.vnf_virtual_link_resource_info[
+            0].vnf_link_ports[0].resource_handle.resource_id = port_id
+        resource3 = resources.Resource(None, {
+            'resource_name': 'bbbbbbbb',
+            'resource_type': 'OS::Neutron::Port',
+            'creation_time': '2020-01-01T00:00:00',
+            'resource_status': 'CREATE_COMPLETE',
+            'physical_resource_id': port_id,
+            'id': '1111'
+        })
+        res_list.append(resource3)
+        st_id = uuidsentinel.vdu_resource_id
+        vnf_instance.instantiated_vnf_info.virtual_storage_resource_info[
+            0].storage_resource.resource_id = st_id
+        resource4 = resources.Resource(None, {
+            'resource_name': 'cccccccc',
+            'resource_type': 'OS::Cinder::Volume',
+            'creation_time': '2020-01-01T00:00:01',
+            'resource_status': 'CREATE_COMPLETE',
+            'physical_resource_id': st_id,
+            'id': '1111'
+        })
+        res_list.append(resource4)
+        mock_list.return_value = res_list
+        self.openstack.get_grant_resource(
+            vnf_instance,
+            vnf_info,
+            scale_vnf_request,
+            placement_obj_list,
+            vim_connection_info,
+            del_list)
+        self.assertEqual(3, len(vnf_info['removeResources']))
+
+    @mock.patch.object(hc.HeatClient, "update")
+    def test_scale_out_initial(self, mock_update):
+        scale_vnf_request = objects.ScaleVnfRequest(type='SCALE_OUT',
+                                                   aspect_id='SP1',
+                                                   number_of_steps=1)
+        vnf_info = {}
+        vnf_info['attributes'] = {}
+        vnf_info['attributes']['scale_group'] = '{\"scaleGroupDict\": ' + \
+            '{ \"SP1\": { \"vdu\": [\"VDU1\"], \"num\": ' + \
+            '1, \"maxLevel\": 3, \"initialNum\": 0, ' + \
+            '\"initialLevel\": 0, \"default\": 0 }}}'
+        vnf_info['attributes']['heat_template'] = \
+            utils.get_dummy_scale_initial_hot()
+        vnf_info['attributes']['SP1_res.yaml'] = \
+            utils.get_dummy_scale_nest_initial_hot()
+        stack_param_dict = {}
+        stack_param_dict['nfv'] = {}
+        stack_param_dict['nfv']['VDU'] = {}
+        stack_param_dict['nfv']['VDU']['VDU1'] = {}
+        stack_param_dict['nfv']['VDU']['VDU1']['zone'] = ''
+        stack_param_dict['nfv']['VDU']['VDU1']['flavor'] = ''
+        stack_param_dict['nfv']['VDU']['VDU1']['image'] = ''
+        vnf_info['attributes'].update({'stack_param': str(stack_param_dict)})
+        vnf_info['instance_id'] = uuidsentinel.stack_id
+        testjson = '{"id": "c213e465-8220-487e-9464-f79104e81e96", ' + \
+            '"vnf_instance_id": ' + \
+            '"47101fb6-bd18-4e04-b2b5-22370a023448", ' + \
+            '"vnf_lcm_op_occ_id": ' + \
+            '"f26f181d-7891-4720-b022-b074ec1733ef", ' + \
+            '"add_resources": [{"resource_definition_id": ' + \
+            '"2c6e5cc7-240d-4458-a683-1fe648351280", ' + \
+            '"vim_connection_id": ' + \
+            '"b6eacd1b-5a9e-41ea-a33b-9d7196cd9187", ' + \
+            '"zone_id": "5e4da3c3-4a55-412a-b624-843921f8b51d"}' + \
+            ', {"resource_definition_id": ' + \
+            '"faf14707-da7c-4eec-be99-8099fa1e9fa9", ' + \
+            '"vim_connection_id": ' + \
+            '"b6eacd1b-5a9e-41ea-a33b-9d7196cd9187", ' + \
+            '"zone_id": "5e4da3c3-4a55-412a-b624-843921f8b51d"}' + \
+            ', {"resource_definition_id": ' + \
+            '"faf14707-da7c-4eec-be99-8099fa1e9fa9", ' + \
+            '"vim_connection_id": ' + \
+            '"b6eacd1b-5a9e-41ea-a33b-9d7196cd9187", ' + \
+            '"zone_id": ' + \
+            '"5e4da3c3-4a55-412a-b624-843921f8b51d"}], ' + \
+            '"vim_assets": {"compute_resource_flavours": ' + \
+            '[{"vim_connection_id": ' + \
+            '"b6eacd1b-5a9e-41ea-a33b-9d7196cd9187", ' + \
+            '"vnfd_virtual_compute_desc_id": "VDU1", ' + \
+            '"vim_flavour_id": "m1.tiny"}], "software_images": ' + \
+            '[{"vim_connection_id": ' + \
+            '"b6eacd1b-5a9e-41ea-a33b-9d7196cd9187", ' + \
+            '"vnfd_software_image_id": "VDU1", ' + \
+            '"vim_software_image_id": "cirros"}]}}'
+        res_body = jsonutils.loads(testjson)
+        res_dict = cutils.convert_camelcase_to_snakecase(res_body)
+        grant_obj = objects.Grant.obj_from_primitive(
+            res_dict, context=context)
+        vnf_info['grant'] = grant_obj
+        self.openstack.scale_out_initial(context=self.context,
+                                plugin=self,
+                                auth_attr=None,
+                                vnf_info=vnf_info,
+                                scale_vnf_request=scale_vnf_request,
+                                region_name=None
+                                         )

tacker/tests/unit/vnfm/test_plugin.py

@@ -18,6 +18,7 @@ from unittest import mock
 from unittest.mock import patch
 
 import ddt
+import iso8601
 from oslo_utils import uuidutils
 import yaml
 
@@ -25,12 +26,15 @@ from tacker._i18n import _
 from tacker.common import exceptions
 from tacker import context
 from tacker.db.common_services import common_services_db_plugin
+from tacker.db.db_sqlalchemy import models
 from tacker.db.nfvo import nfvo_db
 from tacker.db.nfvo import ns_db
 from tacker.db.vnfm import vnfm_db
 from tacker.extensions import vnfm
+from tacker import objects
 from tacker.objects import heal_vnf_request
 from tacker.plugins.common import constants
+from tacker.tests.unit.conductor import fakes
 from tacker.tests.unit.db import base as db_base
 from tacker.tests.unit.db import utils
 from tacker.vnfm import monitor
@@ -1160,3 +1164,165 @@ class TestVNFMPlugin(db_base.SqlTestCase):
         mock_get_vnf.return_value = dummy_vnf
         self._test_create_vnf_trigger(policy_name="start_actions",
                                       action_value="SP_RSV-out")
+
+    def test_create_placement_constraint(self):
+        res_str = '[{"id_type": "RES_MGMT", "resource_id": ' + \
+            '"2c6e5cc7-240d-4458-a683-1fe648351200", ' + \
+            '"vim_connection_id": ' + \
+            '"2a63bee3-0c43-4568-bcfa-b0cb733e064c"}]'
+        placemnt = models.PlacementConstraint(
+            id='c2947d8a-2c67-4e8f-ad6f-c0889b351c17',
+            vnf_instance_id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            affinity_or_anti_affinity='ANTI_AFFINITY',
+            scope='ZONE',
+            server_group_name='my_compute_placement_policy',
+            resource=res_str,
+            deleted_at=datetime.min)
+        pls_list = [placemnt]
+        vnf_inst = models.VnfInstance(
+            id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            vnf_provider=' ',
+            vnf_product_name=' ',
+            vnf_software_version=' ',
+            vnfd_version=' ',
+            vnfd_id='8d86480e-d4e6-4ee0-ba4d-08217118d6cb',
+            instantiation_state=' ',
+            tenant_id='9b3f0518-bf6b-4982-af32-d282ce577c8f',
+            created_at=datetime(
+                2020, 1, 1, 1, 1, 1,
+                tzinfo=iso8601.UTC),
+            vnf_pkg_id=uuidutils.generate_uuid())
+        self.context.session.add(vnf_inst)
+        self.context.session.flush()
+
+        self.vnfm_plugin.create_placement_constraint(
+            self.context, pls_list)
+
+    def test_get_placement_constraint(self):
+        res_str = '[{"id_type": "RES_MGMT", "resource_id": ' + \
+            '"2c6e5cc7-240d-4458-a683-1fe648351200", ' + \
+            '"vim_connection_id": ' + \
+            '"2a63bee3-0c43-4568-bcfa-b0cb733e064c"}]'
+        placemnt = models.PlacementConstraint(
+            id='c2947d8a-2c67-4e8f-ad6f-c0889b351c17',
+            vnf_instance_id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            affinity_or_anti_affinity='ANTI_AFFINITY',
+            scope='ZONE',
+            server_group_name='my_compute_placement_policy',
+            resource=res_str,
+            deleted_at=datetime.min)
+        vnf_inst = models.VnfInstance(
+            id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            vnf_provider=' ',
+            vnf_product_name=' ',
+            vnf_software_version=' ',
+            vnfd_version=' ',
+            vnfd_id='8d86480e-d4e6-4ee0-ba4d-08217118d6cb',
+            instantiation_state=' ',
+            tenant_id='9b3f0518-bf6b-4982-af32-d282ce577c8f',
+            created_at=datetime(
+                2020, 1, 1, 1, 1, 1,
+                tzinfo=iso8601.UTC),
+            vnf_pkg_id=uuidutils.generate_uuid())
+        self.context.session.add(vnf_inst)
+        self.context.session.flush()
+        self.context.session.add(placemnt)
+        self.context.session.flush()
+
+        res = self.vnfm_plugin.get_placement_constraint(
+            self.context, '7ddc38c3-a116-48b0-bfc1-68d7f306f467')
+        self.assertEqual(1, len(res))
+
+    def test_update_placement_constraint_heal(self):
+        res_str = '[{"id_type": "RES_MGMT", "resource_id": ' + \
+            '"2c6e5cc7-240d-4458-a683-1fe648351200", ' + \
+            '"vim_connection_id": ' + \
+            '"2a63bee3-0c43-4568-bcfa-b0cb733e064c"}]'
+        placemnt = models.PlacementConstraint(
+            id='c2947d8a-2c67-4e8f-ad6f-c0889b351c17',
+            vnf_instance_id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            affinity_or_anti_affinity='ANTI_AFFINITY',
+            scope='ZONE',
+            server_group_name='my_compute_placement_policy',
+            resource=res_str,
+            deleted_at=datetime.min)
+        res_str2 = '[{"id_type": "GRANT", "resource_id": ' + \
+            '"4cef1b7e-8e5f-430e-b32e-a7585a61d61c"}]'
+        placemnt2 = models.PlacementConstraint(
+            id='c2947d8a-2c67-4e8f-ad6f-c0889b351c17',
+            vnf_instance_id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            affinity_or_anti_affinity='ANTI_AFFINITY',
+            scope='ZONE',
+            server_group_name='my_compute_placement_policy',
+            resource=res_str2,
+            deleted_at=datetime.min)
+        vnf_inst = models.VnfInstance(
+            id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            vnf_provider=' ',
+            vnf_product_name=' ',
+            vnf_software_version=' ',
+            vnfd_version=' ',
+            vnfd_id='8d86480e-d4e6-4ee0-ba4d-08217118d6cb',
+            instantiation_state=' ',
+            tenant_id='9b3f0518-bf6b-4982-af32-d282ce577c8f',
+            created_at=datetime(
+                2020, 1, 1, 1, 1, 1,
+                tzinfo=iso8601.UTC),
+            vnf_pkg_id=uuidutils.generate_uuid())
+        self.context.session.add(vnf_inst)
+        self.context.session.flush()
+        self.context.session.add(placemnt)
+        self.context.session.flush()
+
+        vnf_info = {}
+        vnf_info['grant'] = objects.Grant()
+        placement_obj_list = []
+        placement_obj_list.append(placemnt2)
+        vnf_info['placement_obj_list'] = placement_obj_list
+
+        insta = fakes.return_vnf_instance('INSTANTIATED')
+        vnfc = objects.VnfcResourceInfo()
+        vnfc.id = '4cef1b7e-8e5f-430e-b32e-a7585a61d61c'
+        vnfc.vdu_id = 'VDU1'
+        c_rsc = objects.ResourceHandle()
+        c_rsc.vim_connection_id = '2a63bee3-0c43-4568-bcfa-b0cb733e064c'
+        c_rsc.resource_id = '9aa1e075-2aa1-46ce-a27a-35a581190219'
+        vnfc.compute_resource = c_rsc
+        insta.instantiated_vnf_info.vnfc_resource_info.append(vnfc)
+
+        self.vnfm_plugin.update_placement_constraint_heal(
+            self.context, vnf_info, insta)
+
+    def test_delete_placement_constraint(self):
+        res_str = '[{"id_type": "RES_MGMT", "resource_id": ' + \
+            '"2c6e5cc7-240d-4458-a683-1fe648351200", ' + \
+            '"vim_connection_id": ' + \
+            '"2a63bee3-0c43-4568-bcfa-b0cb733e064c"}]'
+        placemnt = models.PlacementConstraint(
+            id='c2947d8a-2c67-4e8f-ad6f-c0889b351c17',
+            vnf_instance_id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            affinity_or_anti_affinity='ANTI_AFFINITY',
+            scope='ZONE',
+            server_group_name='my_compute_placement_policy',
+            resource=res_str,
+            deleted_at=datetime.min)
+        vnf_inst = models.VnfInstance(
+            id='7ddc38c3-a116-48b0-bfc1-68d7f306f467',
+            vnf_provider=' ',
+            vnf_product_name=' ',
+            vnf_software_version=' ',
+            vnfd_version=' ',
+            vnfd_id='8d86480e-d4e6-4ee0-ba4d-08217118d6cb',
+            instantiation_state=' ',
+            tenant_id='9b3f0518-bf6b-4982-af32-d282ce577c8f',
+            created_at=datetime(
+                2020, 1, 1, 1, 1, 1,
+                tzinfo=iso8601.UTC),
+            vnf_pkg_id=uuidutils.generate_uuid())
+        self.context.session.add(vnf_inst)
+        self.context.session.flush()
+        self.context.session.add(placemnt)
+        self.context.session.flush()
+
+        self.vnfm_plugin.delete_placement_constraint(
+            self.context, '7ddc38c3-a116-48b0-bfc1-68d7f306f467')

tacker/vnflcm/utils.py

@@ -95,9 +95,11 @@ def _get_vnflcm_interface(context, interface, vnf_instance, flavour_id):
     if vnfd_dict.get('topology_template'):
         topology_template = vnfd_dict.get('topology_template')
         if topology_template.get('node_templates'):
-            for a_val in topology_template.get('node_templates').values():
-                if 'interfaces' in a_val.keys():
-                    interfaces = a_val.get('interfaces')
+            node_templates = topology_template.get('node_templates')
+            if node_templates.get('VNF'):
+                vnf = node_templates.get('VNF')
+                if vnf.get('interfaces'):
+                    interfaces = vnf.get('interfaces')
                     if interfaces.get('Vnflcm'):
                         vnflcm = interfaces.get('Vnflcm')
                         if vnflcm:

tacker/vnflcm/vnflcm_driver.py

@@ -276,7 +276,8 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
         try:
             instance_id = self._vnf_manager.invoke(
                 vim_connection_info.vim_type, 'instantiate_vnf',
-                context=context, vnf_instance=vnf_instance,
+                context=context, plugin=self._vnfm_plugin,
+                vnf_instance=vnf_instance,
                 vnfd_dict=final_vnf_dict, grant_response=vnf_resources,
                 vim_connection_info=vim_connection_info,
                 base_hot_dict=base_hot_dict,
@@ -293,12 +294,9 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
                     id=vnf_instance.id,
                     error=encodeutils.exception_to_unicode(exp))
 
-        vnf_instance.instantiated_vnf_info = objects.InstantiatedVnfInfo(
-            flavour_id=instantiate_vnf_req.flavour_id,
-            instantiation_level_id=instantiate_vnf_req.instantiation_level_id,
-            vnf_instance_id=vnf_instance.id,
-            instance_id=instance_id,
-            ext_cp_info=[])
+        if vnf_instance.instantiated_vnf_info and\
+           not vnf_instance.instantiated_vnf_info.instance_id:
+            vnf_instance.instantiated_vnf_info.instance_id = instance_id
         if vnf_dict['attributes'].get('scaling_group_names'):
             vnf_instance.instantiated_vnf_info.scale_status = \
                 vnf_dict['scale_status']
@@ -306,7 +304,7 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
         try:
             self._vnf_manager.invoke(
                 vim_connection_info.vim_type, 'create_wait',
-                plugin=self, context=context,
+                plugin=self._vnfm_plugin, context=context,
                 vnf_dict=final_vnf_dict,
                 vnf_id=final_vnf_dict['instance_id'],
                 auth_attr=vim_connection_info.access_info)
@@ -322,14 +320,6 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
                     id=vnf_instance.id,
                     error=encodeutils.exception_to_unicode(exp))
 
-        vnflcm_utils._build_instantiated_vnf_info(vnfd_dict,
-                instantiate_vnf_req, vnf_instance, vim_connection_info.vim_id)
-
-        self._vnf_manager.invoke(vim_connection_info.vim_type,
-                'post_vnf_instantiation', context=context,
-                vnf_instance=vnf_instance,
-                vim_connection_info=vim_connection_info)
-
     @log.log
     @rollback_vnf_instantiated_resources
     def instantiate_vnf(self, context, vnf_instance, vnf_dict,
@@ -351,10 +341,6 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
         self._instantiate_vnf(context, vnf_instance, vnf_dict,
                               vim_connection_info, instantiate_vnf_req)
 
-        self._vnf_instance_update(context, vnf_instance,
-                    instantiation_state=fields.VnfInstanceState.INSTANTIATED,
-                    task_state=None)
-
     @log.log
     @revert_to_error_task_state
     def terminate_vnf(self, context, vnf_instance, terminate_vnf_req):
@@ -929,7 +915,12 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
         LOG.debug(
             "is_reverse: %s",
             scale_vnf_request.additional_params.get('is_reverse'))
-        if scale_vnf_request.additional_params['is_reverse'] == 'True':
+        scale_json = vnf_info['attributes']['scale_group']
+        scaleGroupDict = jsonutils.loads(scale_json)
+        key_aspect = scale_vnf_request.aspect_id
+        default = scaleGroupDict['scaleGroupDict'][key_aspect]['default']
+        if (scale_vnf_request.type == 'SCALE_IN' and
+                scale_vnf_request.additional_params['is_reverse'] == 'True'):
             self._vnf_manager.invoke(
                 vim_connection_info.vim_type,
                 'scale_in_reverse',
@@ -944,7 +935,27 @@ class VnfLcmDriver(abstract_driver.VnfInstanceAbstractDriver):
             )
             self._vnf_manager.invoke(
                 vim_connection_info.vim_type,
-                'scale_in_reverse_wait',
+                'scale_update_wait',
+                plugin=self,
+                context=context,
+                auth_attr=vim_connection_info.access_info,
+                vnf_info=vnf_info,
+                region_name=vim_connection_info.access_info.get('region_name')
+            )
+        elif scale_vnf_request.type == 'SCALE_OUT' and default == 0:
+            self._vnf_manager.invoke(
+                vim_connection_info.vim_type,
+                'scale_out_initial',
+                plugin=self,
+                context=context,
+                auth_attr=vim_connection_info.access_info,
+                vnf_info=vnf_info,
+                scale_vnf_request=scale_vnf_request,
+                region_name=vim_connection_info.access_info.get('region_name')
+            )
+            self._vnf_manager.invoke(
+                vim_connection_info.vim_type,
+                'scale_update_wait',
                 plugin=self,
                 context=context,
                 auth_attr=vim_connection_info.access_info,

tacker/vnfm/infra_drivers/kubernetes/kubernetes_driver.py

@@ -1350,10 +1350,32 @@ class Kubernetes(abstract_driver.VnfAbstractDriver,
               grp_id):
         pass
 
-    def scale_in_reverse_wait(self,
+    def scale_out_initial(self,
+              context,
+              plugin,
+              auth_attr,
+              vnf_info,
+              scale_vnf_request,
+              region_name):
+        pass
+
+    def scale_update_wait(self,
                    context,
                    plugin,
                    auth_attr,
                    vnf_info,
                    region_name):
         pass
+
+    def get_cinder_list(self,
+                        vnf_info):
+        pass
+
+    def get_grant_resource(self,
+                   vnf_instance,
+                   vnf_info,
+                   scale_vnf_request,
+                   placement_obj_list,
+                   vim_connection_info,
+                   del_list):
+        pass

tacker/vnfm/infra_drivers/openstack/openstack.py

@@ -34,10 +34,12 @@ from tacker._i18n import _
 from tacker.common import exceptions
 from tacker.common import log
 from tacker.common import utils
+from tacker.db.common_services import common_services_db_plugin
 from tacker.extensions import vnflcm
 from tacker.extensions import vnfm
 from tacker import objects
 from tacker.objects import fields
+from tacker.plugins.common import constants
 from tacker.tosca.utils import represent_odict
 from tacker.vnflcm import utils as vnflcm_utils
 from tacker.vnfm.infra_drivers import abstract_driver
@@ -52,6 +54,11 @@ from tacker.vnfm.lcm_user_data.constants import USER_DATA_TIMEOUT
 
 eventlet.monkey_patch(time=True)
 
+SCALING_GROUP_RESOURCE = "OS::Heat::AutoScalingGroup"
+NOVA_SERVER_RESOURCE = "OS::Nova::Server"
+
+VNF_PACKAGE_HOT_DIR = 'Files'
+
 LOG = logging.getLogger(__name__)
 CONF = cfg.CONF
 
@@ -108,6 +115,9 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
         self.STACK_RETRY_WAIT = cfg.CONF.openstack_vim.stack_retry_wait
         self.IMAGE_RETRIES = 10
         self.IMAGE_RETRY_WAIT = 10
+        self.LOCK_RETRIES = 10
+        self.LOCK_RETRY_WAIT = 10
+        self._cos_db_plg = common_services_db_plugin.CommonServicesPluginDb()
 
     def get_type(self):
         return 'openstack'
@@ -124,7 +134,17 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
                inst_req_info=None, grant_info=None,
                vnf_instance=None):
         LOG.debug('vnf %s', vnf)
-        region_name = vnf.get('placement_attr', {}).get('region_name', None)
+        if vnf.get('grant'):
+            if vnf['grant'].vim_connections:
+                vim_con = vnf['grant'].vim_connections[0]
+                auth_attr = vim_con.access_info
+                region_name = auth_attr.get('region')
+            else:
+                region_name = vnf.get('placement_attr', {}).\
+                    get('region_name', None)
+        else:
+            region_name = vnf.get('placement_attr', {}).\
+                get('region_name', None)
         heatclient = hc.HeatClient(auth_attr, region_name)
         additional_param = None
         if inst_req_info is not None:
@@ -157,7 +177,8 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
             for name, hot in nested_hot_dict.items():
                 vnf['attributes'][name] = self._format_base_hot(hot)
 
-            vnfd_str = vnf['vnfd']['attributes']['vnfd']
+            vnfd_str = vnf['vnfd']['attributes']['vnfd_' +
+                                                 inst_req_info.flavour_id]
             vnfd_dict = yaml.safe_load(vnfd_str)
             LOG.debug('VNFD: %s', vnfd_dict)
             LOG.debug('VNF package path: %s', vnf_package_path)
@@ -220,6 +241,30 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
                 for name, value in scaleGroupDict['scaleGroupDict'].items():
                     hot_param_dict[name + '_desired_capacity'] = \
                         value['default']
+            if vnf.get('grant'):
+                grant = vnf['grant']
+                ins_inf = vnf_instance.instantiated_vnf_info.vnfc_resource_info
+                for addrsc in grant.add_resources:
+                    for zone in grant.zones:
+                        if zone.id == addrsc.zone_id:
+                            vdu_name = None
+                            for rsc in ins_inf:
+                                if addrsc.resource_definition_id == rsc.id:
+                                    vdu_name = rsc.vdu_id
+                                    break
+                            if not vdu_name:
+                                continue
+                            hot_param_dict['nfv']['VDU'][vdu_name]['zone'] = \
+                                zone.zone_id
+                if 'vim_assets' in grant and grant.vim_assets:
+                    for flavour in grant.vim_assets.compute_resource_flavours:
+                        vdu_name = flavour.vnfd_virtual_compute_desc_id
+                        hot_param_dict['nfv']['VDU'][vdu_name]['flavor'] = \
+                            flavour.vim_flavour_id
+                    for image in grant.vim_assets.software_images:
+                        vdu_name = image.vnfd_software_image_id
+                        hot_param_dict['nfv']['VDU'][vdu_name]['image'] = \
+                            image.vim_software_image_id
 
             # Add stack param to vnf_attributes
             vnf['attributes'].update({'stack_param': str(hot_param_dict)})
@@ -1482,15 +1527,63 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
                     mark_unhealthy=True,
                     resource_status_reason='Scale')
         paramDict = {}
-        paramDict[scale_vnf_request.aspect_id +
-     '_desired_capacity'] = vnf_info['res_num']
+        scale_json = vnf_info['attributes']['scale_group']
+        scaleGroupDict = jsonutils.loads(scale_json)
+        for name, value in scaleGroupDict['scaleGroupDict'].items():
+            paramDict[name + '_desired_capacity'] = value['default']
+        paramDict[scale_vnf_request.aspect_id + '_desired_capacity'] = \
+            vnf_info['res_num']
         stack_update_param = {
             'parameters': paramDict,
             'existing': True}
         heatclient.update(vnf_info['instance_id'], **stack_update_param)
+        stack_param = jsonutils.loads(vnf_info['attributes']['stack_param'])
+        stack_param.update(paramDict)
+        vnf_info['attributes'].update({'stack_param': str(paramDict)})
 
     @log.log
-    def scale_in_reverse_wait(
+    def scale_out_initial(self, context, plugin, auth_attr, vnf_info,
+                         scale_vnf_request, region_name):
+        scale_json = vnf_info['attributes']['scale_group']
+        scaleGroupDict = jsonutils.loads(scale_json)
+        key_aspect = scale_vnf_request.aspect_id
+        num = scaleGroupDict['scaleGroupDict'][key_aspect]['num']
+        vnf_info['res_num'] = num * scale_vnf_request.number_of_steps
+        heatclient = hc.HeatClient(auth_attr, region_name)
+        paramDict = {}
+        for name, value in scaleGroupDict['scaleGroupDict'].items():
+            paramDict[name + '_desired_capacity'] = value['default']
+        paramDict[scale_vnf_request.aspect_id +
+     '_desired_capacity'] = vnf_info['res_num']
+        stack_param = yaml.safe_load(vnf_info['attributes']['stack_param'])
+        grant = vnf_info['grant']
+        for addrsc in grant.add_resources:
+            for zone in grant.zones:
+                if zone.id == addrsc.zone_id:
+                    for rsc in vnf_info['addResources']:
+                        if addrsc.id == rsc.id:
+                            vdu_name = rsc.vdu_id
+                            break
+                    stack_param['nfv']['VDU'][vdu_name]['zone'] = zone.zone_id
+        if 'vim_assets' in grant and grant.vim_assets:
+            for flavour in grant.vim_assets.compute_resource_flavours:
+                vdu_name = flavour.vnfd_virtual_compute_desc_id
+                stack_param['nfv']['VDU'][vdu_name]['flavor'] = \
+                    flavour.vim_flavour_id
+            for image in grant.vim_assets.software_images:
+                vdu_name = image.vnfd_software_image_id
+                stack_param['nfv']['VDU'][vdu_name]['image'] = \
+                    image.vim_software_image_id
+
+        paramDict['nfv'] = stack_param['nfv']
+        stack_update_param = {
+            'parameters': paramDict,
+            'existing': True}
+        heatclient.update(vnf_info['instance_id'], **stack_update_param)
+        vnf_info['attributes'].update({'stack_param': str(paramDict)})
+
+    @log.log
+    def scale_update_wait(
             self,
             context,
             plugin,
@@ -1501,3 +1594,251 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
             auth_attr, infra_cnst.STACK_UPDATE_IN_PROGRESS,
             infra_cnst.STACK_UPDATE_COMPLETE,
             vnfm.VNFScaleWaitFailed, region_name=region_name)
+
+    def get_cinder_list(self, vnf_info):
+        cinder_list = []
+        block_key = 'block_device_mapping_v2'
+        if not vnf_info['attributes'].get('scale_group'):
+            heat_yaml = vnf_info['attributes']['heat_template']
+            heat_dict = yaml.safe_load(heat_yaml)
+            for resource_name, resource in heat_dict['resources'].items():
+                if resource.get('properties') and resource.get(
+                        'properties').get(block_key):
+                    for cinder in resource['properties'][block_key]:
+                        if cinder['volume_id'].get('get_resource'):
+                            cinder_list.append(
+                                cinder['volume_id']['get_resource'])
+        else:
+            for resource_name, resource in vnf_info['attributes'].items():
+                if '.yaml' in resource_name:
+                    heat_dict = yaml.safe_load(resource)
+                    for resource_name, resource in heat_dict['resources'].\
+                            items():
+                        if resource.get('properties') and resource.get(
+                                'properties').get(block_key):
+                            for cinder in resource['properties'][block_key]:
+                                if cinder['volume_id'].get('get_resource'):
+                                    cinder_list.append(
+                                        cinder['volume_id']['get_resource'])
+        return cinder_list
+
+    def get_grant_resource(
+            self,
+            vnf_instance,
+            vnf_info,
+            scale_vnf_request,
+            placement_obj_list,
+            vim_connection_info,
+            del_list):
+        if scale_vnf_request.type == 'SCALE_OUT':
+            self._get_grant_resource_scale_out(vnf_info,
+                                               scale_vnf_request,
+                                               placement_obj_list)
+        else:
+            self.get_grant_resource_scale_in(vnf_instance,
+                                             vnf_info,
+                                             vim_connection_info,
+                                             del_list)
+
+    def _get_grant_resource_scale_out(
+            self,
+            vnf_info,
+            scale_vnf_request,
+            placement_obj_list):
+        add_resources = []
+        affinity_list = []
+        placement_constraint_list = []
+        uuid_list = []
+        port_uuid_list = []
+        storage_uuid_list = []
+        heat_template = vnf_info['attributes']['heat_template']
+        heat_resource = yaml.safe_load(heat_template)
+        key_vnfd = scale_vnf_request.aspect_id + '_scale_out'
+        ajust_prop = heat_resource['resources'][key_vnfd]['properties']
+        ajust = ajust_prop['scaling_adjustment']
+        size = ajust * scale_vnf_request.number_of_steps
+        yaml_name = scale_vnf_request.aspect_id + '_res.yaml'
+        if not vnf_info['attributes'].get(yaml_name):
+            yaml_name = scale_vnf_request.aspect_id + '.hot.yaml'
+        nested_hot = yaml.safe_load(
+            vnf_info['attributes'][yaml_name])
+        for resource_name, resource in nested_hot['resources'].items():
+            if resource['type'] == 'OS::Nova::Server':
+                for i in range(size):
+                    add_uuid = uuidutils.generate_uuid()
+                    rsc = objects.ResourceDefinition(
+                        id=add_uuid,
+                        type=constants.TYPE_COMPUTE,
+                        vdu_id=resource_name,
+                        resource_template_id=resource_name)
+                    add_resources.append(rsc)
+                    uuid_list.append(add_uuid)
+                    for net in resource.get('networks', []):
+                        add_uuid = uuidutils.generate_uuid()
+                        port_rsc = net['port']['get_resource']
+                        rsc = objects.ResourceDefinition(
+                            id=add_uuid,
+                            type=constants.TYPE_LINKPORT,
+                            vdu_id=resource_name,
+                            resource_template_id=port_rsc)
+                        add_resources.append(rsc)
+                        port_uuid_list.append(add_uuid)
+                if resource['properties'].get('block_device_mapping_v2'):
+                    for i in range(size):
+                        for cinder in resource['properties'].get(
+                                'block_device_mapping_v2', []):
+                            add_uuid = uuidutils.generate_uuid()
+                            vol_rsc = cinder['volume_id']['get_resource']
+                            rsc = objects.ResourceDefinition(
+                                id=add_uuid,
+                                type=constants.TYPE_STORAGE,
+                                vdu_id=resource_name,
+                                resource_template_id=vol_rsc)
+                            add_resources.append(rsc)
+                            storage_uuid_list.append(add_uuid)
+                if resource['properties'].get('scheduler_hints'):
+                    sch_hint = resource['properties']['scheduler_hints']
+                    if sch_hint['group'].get('get_param'):
+                        affinity_name = sch_hint['group']['get_param']
+                    else:
+                        affinity_name = sch_hint['group']['get_resource']
+                    for placement in placement_obj_list:
+                        if placement.server_group_name == affinity_name:
+                            for uuid in uuid_list:
+                                rsc = objects.ConstraintResourceRef(
+                                    id_type='GRANT', resource_id=uuid)
+                                plm = jsonutils.loads(placement.resource)
+                                plm.append(rsc.to_dict())
+                                placement.resource = jsonutils.dumps(plm)
+                            affinity_list.append(affinity_name)
+                            break
+            if resource['type'] == 'OS::Cinder::VolumeAttachment':
+                for i in range(size):
+                    add_uuid = uuidutils.generate_uuid()
+                    vol_rsc = resource['properties']['instance_uuid']
+                    rsc = objects.ResourceDefinition(
+                        id=add_uuid,
+                        type=constants.TYPE_STORAGE,
+                        vdu_id=vol_rsc['get_resource'],
+                        resource_template_id=resource_name)
+                    add_resources.append(rsc)
+                    storage_uuid_list.append(add_uuid)
+        vnf_info['uuid_list'] = uuid_list
+        vnf_info['port_uuid_list'] = port_uuid_list
+        vnf_info['storage_uuid_list'] = storage_uuid_list
+        for placement in placement_obj_list:
+            if placement.server_group_name in affinity_list:
+                plm = jsonutils.loads(placement.resource)
+                addRsc = []
+                for pl in plm:
+                    vim_id = pl.get('vim_connection_id')
+                    addRsc.append(
+                        objects.ConstraintResourceRef(
+                            id_type=pl['id_type'],
+                            resource_id=pl['resource_id'],
+                            vim_connection_id=vim_id))
+                placement_constraint = objects.PlacementConstraint(
+                    affinity_or_anti_affinity='ANTI_AFFINITY',
+                    scope='ZONE',
+                    resource=addRsc,
+                    fallback_best_effort=True)
+                placement_constraint_list.append(placement_constraint)
+        vnf_info['addResources'] = add_resources
+        vnf_info['removeResources'] = []
+        vnf_info['affinity_list'] = affinity_list
+        vnf_info['placement_constraint_list'] = placement_constraint_list
+
+    def get_grant_resource_scale_in(
+            self,
+            vnf_instance,
+            vnf_info,
+            vim_connection_info,
+            del_list):
+        remove_resources = []
+        access_info = vim_connection_info.access_info
+
+        heatclient = hc.HeatClient(access_info,
+            region_name=access_info.get('region'))
+        inst_info = vnf_instance.instantiated_vnf_info
+        for del_rsc in del_list:
+            scale_resurce_list = heatclient.resource_get_list(del_rsc)
+            for rsc in scale_resurce_list:
+                if rsc.resource_type == 'OS::Nova::Server':
+                    for vnfc_resource in inst_info.vnfc_resource_info:
+                        if vnfc_resource.\
+                            compute_resource.resource_id == \
+                                rsc.physical_resource_id:
+                            cmo_rsc = vnfc_resource.compute_resource
+                            vim_id = cmo_rsc.vim_connection_id
+                            rsc_id = cmo_rsc.resource_id
+                            resource = objects.ResourceDefinition(
+                                id=vnfc_resource.id,
+                                type=constants.TYPE_COMPUTE,
+                                vdu_id=vnfc_resource.vdu_id,
+                                resource_template_id=vnfc_resource.vdu_id,
+                                resource=objects.ResourceHandle(
+                                    vim_connection_id=vim_id,
+                                    resource_id=rsc_id))
+                            remove_resources.append(resource)
+                if rsc.resource_type == 'OS::Neutron::Port':
+                    for vl_resource in \
+                            inst_info.vnf_virtual_link_resource_info:
+                        for cp_resource in vl_resource.vnf_link_ports:
+                            cp_handl = cp_resource.resource_handle
+                            cp_id = cp_handl.resource_id
+                            vim_id = cp_handl.vim_connection_id
+                            if cp_id == rsc.physical_resource_id:
+                                for vnfc_resource in inst_info.\
+                                        vnfc_resource_info:
+                                    for vnfc_cp_rsc in vnfc_resource.\
+                                            vnfc_cp_info:
+                                        if cp_resource.\
+                                            cp_instance_id == \
+                                                vnfc_cp_rsc.id:
+                                            p_id = cp_resource.id
+                                            v_id = vnfc_resource.vdu_id
+                                            d_id = vnfc_cp_rsc.cpd_id
+                                            r_hd = objects.\
+                                                ResourceHandle()
+                                            r_hd.\
+                                                vim_connection_id = \
+                                                vim_id
+                                            r_hd.resource_id = cp_id
+                                            rs = objects.\
+                                                ResourceDefinition()
+                                            rs.id = p_id
+                                            rs.type = 'constants.\
+                                                TYPE_LINKPORT'
+                                            rs.vdu_id = v_id
+                                            rs.resource_template_id = d_id
+                                            rs.resource = r_hd
+                                            remove_resources.append(
+                                                rs)
+                if rsc.resource_type == 'OS::Cinder::Volume':
+                    st_info = inst_info.virtual_storage_resource_info
+                    for storage_resource in st_info:
+                        st_rsc = storage_resource.storage_resource
+                        st_id = st_rsc.resource_id
+                        if st_id == rsc.physical_resource_id:
+                            ins_vnfc = inst_info.vnfc_resource_info
+                            for vnfc_resource in ins_vnfc:
+                                s_ids = vnfc_resource.storage_resource_ids
+                                if storage_resource.id in s_ids:
+                                    rs = objects.ResourceDefinition()
+                                    rs.id = storage_resource.id
+                                    rs.type = 'STORAGE'
+                                    rs.vdu_id = vnfc_resource.vdu_id
+                                    tmp_id = storage_resource.\
+                                        virtual_storage_desc_id
+                                    rs.resource_template_id = tmp_id
+                                    r_hd = objects.ResourceHandle()
+                                    vim_id = st_rsc.vim_connection_id
+                                    rsc_id = st_rsc.resource_id
+                                    r_hd.vim_connection_id = vim_id
+                                    r_hd.resource_id = rsc_id
+                                    rs.resource = r_hd
+                                    remove_resources.append(rs)
+        vnf_info['addResources'] = []
+        vnf_info['removeResources'] = remove_resources
+        vnf_info['affinity_list'] = []
+        vnf_info['placement_constraint_list'] = []

tacker/vnfm/infra_drivers/scale_driver.py

@@ -80,10 +80,35 @@ class VnfScaleAbstractDriver(extensions.PluginInterface):
         pass
 
     @abc.abstractmethod
-    def scale_in_reverse_wait(self,
+    def scale_out_initial(self,
+              context,
+              plugin,
+              auth_attr,
+              vnf_info,
+              scale_vnf_request,
+              region_name):
+        pass
+
+    @abc.abstractmethod
+    def scale_update_wait(self,
                    context,
                    plugin,
                    auth_attr,
                    vnf_info,
                    region_name):
         pass
+
+    @abc.abstractmethod
+    def get_cinder_list(self,
+                        vnf_info):
+        pass
+
+    @abc.abstractmethod
+    def get_grant_resource(self,
+                   vnf_instance,
+                   vnf_info,
+                   scale_vnf_request,
+                   placement_obj_list,
+                   vim_connection_info,
+                   del_list):
+        pass