Push policy adapter code (adapted from ECOMP)

Issue-ID: OPTFRA-17
Change-Id: I4497f894e139491a6746ab5b88e2d207f0d40be9
Signed-off-by: Sastry Isukapalli <sastry@research.att.com>

5 files changed, 1707 insertions, 0 deletions

diff --git a/adapters/policy/__init__.py b/adapters/policy/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/adapters/policy/__init__.py
diff --git a/adapters/policy/interface.py b/adapters/policy/interface.py
new file mode 100644
index 0000000..ee45051
--- /dev/null
+++ b/adapters/policy/interface.py
@@ -0,0 +1,203 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+#
+# -------------------------------------------------------------------------
+#
+
+import base64
+import itertools
+import json
+
+
+from requests import RequestException
+from osdf.operation.exceptions import BusinessException
+from osdf.adapters.local_data.local_policies import get_local_policies
+from osdf.adapters.policy.utils import _regex_policy_name
+from osdf.config.base import osdf_config
+from osdf.logging.osdf_logging import audit_log, MH, metrics_log, error_log, debug_log
+from osdf.utils.interfaces import RestClient
+from osdf.optimizers.placementopt.conductor.api_builder import retrieve_node
+from osdf.utils import data_mapping
+
+
+def get_by_name(rest_client, policy_name_list, wildcards=True):
+    policy_list = []
+    for policy_name in policy_name_list:
+        try:
+            query_name = policy_name
+            if wildcards:
+                query_name = _regex_policy_name(query_name)
+            policy_list.append(rest_client.request(json={"policyName": query_name}))
+        except RequestException as err:
+            audit_log.warn("Error in fetching policy: " + policy_name)
+            raise BusinessException("Cannot fetch policy {}: ".format(policy_name), err)
+    return policy_list
+
+
+def get_subscriber_name(req, pmain):
+    subs_name = retrieve_node(req, pmain['subscriber_name'])
+    if subs_name is None:
+        return "DEFAULT"
+    else:
+        subs_name_uc = subs_name.upper()
+        if subs_name_uc in ("DEFAULT", "NULL", ""):
+            subs_name = "DEFAULT"
+    return subs_name
+
+
+def get_subscriber_role(rest_client, req, pmain, service_name, scope):
+    """Make a request to policy and return subscriberRole
+    :param rest_client: rest client to make call
+    :param req: request object from MSO
+    :param pmain: main config that will have policy path information
+    :param service_name: the type of service to call: e.g. "vCPE
+    :param scope: the scope of policy to call: e.g. "OOF_HAS_vCPE".
+    :return: subscriberRole and provStatus retrieved from Subscriber policy
+    """
+    subscriber_role = "DEFAULT"
+    prov_status = []
+    subs_name = get_subscriber_name(req, pmain)
+    if subs_name == "DEFAULT":
+        return subscriber_role, prov_status
+    
+    policy_subs = pmain['policy_subscriber']
+    policy_scope = {"policyName": "{}.*".format(scope),
+                    "configAttributes": {
+                        "serviceType": "{}".format(service_name),
+                        "service": "{}".format(policy_subs)}
+                    }
+    policy_list = []
+    try:
+        policy_list.append(rest_client.request(json=policy_scope))
+    except RequestException as err:
+        audit_log.warn("Error in fetching policy for {}: ".format(policy_subs))
+        return subscriber_role, prov_status
+            
+    formatted_policies = []
+    for x in itertools.chain(*policy_list):
+        if x['config'] is None:
+            raise BusinessException("Config not found for policy with name %s" % x['policyName'])
+        else:
+            formatted_policies.append(json.loads(x['config']))
+    
+    for policy in formatted_policies:
+        property_list = policy['content']['property']
+        for prop in property_list:
+            if subs_name in prop['subscriberName']:
+                subs_role_list = prop['subscriberRole']
+                prov_status = prop['provStatus']
+                if isinstance(subs_role_list, list): # as list is returned
+                    return subs_role_list[0], prov_status
+    return subscriber_role, prov_status
+    
+
+def get_by_scope(rest_client, req, config_local, type_service):
+    policy_list = []
+    pmain = config_local['policy_info'][type_service]
+    pscope = pmain['policy_scope']
+    
+    model_name = retrieve_node(req, pscope['service_name'])
+    service_name = data_mapping.get_request_service_type(req)
+    if service_name is None:
+        service_name = data_mapping.get_service_type(model_name)
+    scope = pscope['scope_{}'.format(service_name.lower())]
+    subscriber_role, prov_status = get_subscriber_role(rest_client, req, pmain, service_name, scope)
+    policy_type_list = pmain['policy_type_{}'.format(service_name.lower())]
+    for policy_type in policy_type_list:
+        policy_scope = {"policyName": "{}.*".format(scope),
+                        "configAttributes": {
+                            "serviceType": "{}".format(service_name),
+                            "service": "{}".format(policy_type),
+                            "subscriberRole": "{}".format(subscriber_role)}
+                        }
+        policy_list.append(rest_client.request(json=policy_scope))
+    return policy_list, prov_status
+
+
+def remote_api(req_json, osdf_config, service_type="placement"):
+    """Make a request to policy and return response -- it accounts for multiple requests that be needed
+    :param req_json: policy request object (can have multiple policy names)
+    :param osdf_config: main config that will have credential information
+    :param service_type: the type of service to call: "placement", "scheduling"
+    :return: all related policies and provStatus retrieved from Subscriber policy
+    """
+#     if not req_json[service_type + "Info"]['policyId']:
+#         return []
+
+    config = osdf_config.deployment
+    uid, passwd = config['policyPlatformUsername'], config['policyPlatformPassword']
+    pcuid, pcpasswd = config['policyClientUsername'], config['policyClientPassword']
+    headers = {"ClientAuth": base64.b64encode(bytes("{}:{}".format(pcuid, pcpasswd), "ascii"))}
+    headers.update({'Environment': config['policyPlatformEnv']})
+    url = config['policyPlatformUrl']
+    rc = RestClient(userid=uid, passwd=passwd, headers=headers, url=url, log_func=debug_log.debug)
+
+    if osdf_config.core['policy_info'][service_type]['policy_fetch'] == "by_name":
+        policies = get_by_name(rc, req_json[service_type + "Info"]['policyId'], wildcards=True)
+    elif osdf_config.core['policy_info'][service_type]['policy_fetch'] == "by_name_no_wildcards":
+        policies = get_by_name(rc, req_json[service_type + "Info"]['policyId'], wildcards=False)
+    else:  # Get policy by scope
+        policies, prov_status = get_by_scope(rc, req_json, osdf_config.core, service_type)
+
+    # policies in res are list of lists, so flatten them; also only keep config part
+    formatted_policies = []
+    for x in itertools.chain(*policies):
+        if x['config'] is None:
+            raise BusinessException("Config not found for policy with name %s" % x['policyName'])
+        else:
+            formatted_policies.append(json.loads(x['config']))
+    return formatted_policies, prov_status
+
+
+def local_policies_location(req_json, osdf_config, service_type):
+    """
+    Get folder and list of policy_files if "local policies" option is enabled
+    :param service_type: placement supported for now, but can be any other service
+    :return: a tuple (folder, file_list) or None
+    """
+    lp = osdf_config.core.get('osdf_hacks', {}).get('local_policies', {})
+    if lp.get('global_disabled'):
+        return None  # short-circuit to disable all local policies
+    if lp.get('local_{}_policies_enabled'.format(service_type)):
+        if service_type == "scheduling":
+            return lp.get('{}_policy_dir'.format(service_type)), lp.get('{}_policy_files'.format(service_type))
+        else:
+            model_name = retrieve_node(req_json, osdf_config.core['policy_info'][service_type]['policy_scope']['service_name'])
+            service_name = data_mapping.get_service_type(model_name)
+            return lp.get('{}_policy_dir_{}'.format(service_type, service_name.lower())), lp.get('{}_policy_files_{}'.format(service_type, service_name.lower()))
+    return None
+
+
+def get_policies(request_json, service_type):
+    """Validate the request and get relevant policies
+    :param request_json: Request object
+    :param service_type: the type of service to call: "placement", "scheduling"
+    :return: policies associated with this request and provStatus retrieved from Subscriber policy
+    """
+    prov_status = []
+    req_info = request_json['requestInfo']
+    req_id = req_info['requestId']
+    metrics_log.info(MH.requesting("policy", req_id))
+    local_info = local_policies_location(request_json, osdf_config, service_type)
+
+    if local_info:  # tuple containing location and list of files
+        to_filter = None
+        if osdf_config.core['policy_info'][service_type]['policy_fetch'] == "by_name":
+            to_filter = request_json[service_type + "Info"]['policyId']
+        policies = get_local_policies(local_info[0], local_info[1], to_filter)
+    else:
+        policies, prov_status= remote_api(request_json, osdf_config, service_type)
+        
+    return policies, prov_status
diff --git a/adapters/policy/utils.py b/adapters/policy/utils.py
new file mode 100644
index 0000000..a006f12
--- /dev/null
+++ b/adapters/policy/utils.py
@@ -0,0 +1,58 @@
+# -------------------------------------------------------------------------
+#   Copyright (c) 2015-2017 AT&T Intellectual Property
+#
+#   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 collections import defaultdict
+
+
+def group_policies(flat_policies):
+    """Filter policies using the following steps:
+    1. Apply prioritization among the policies that are sharing the same policy type and resource type
+    2. Remove redundant policies that may applicable across different types of resource
+    3. Filter policies based on type and return
+    :param flat_policies: list of flat policies
+    :return: Filtered policies
+    """
+    aggregated_policies = {}
+    filter_policies = defaultdict(list)
+    policy_name = []
+    for policy in flat_policies:
+        policy_type = policy['content']['type']
+        if policy_type not in aggregated_policies:
+            aggregated_policies[policy_type] = defaultdict(list)
+        for resource in policy['content']['policyScope']['resourceInstanceType']:
+            aggregated_policies[policy_type][resource].append(policy)
+    for policy_type in aggregated_policies:
+        for resource in aggregated_policies[policy_type]:
+            if len(aggregated_policies[policy_type][resource]) > 0:
+                aggregated_policies[policy_type][resource].sort(key=lambda x: x['priority'], reverse=True)
+                policy = aggregated_policies[policy_type][resource][0]
+                if policy['policyName'] not in policy_name:
+                    filter_policies[policy['content']['type']].append(policy)
+                    policy_name.append(policy['policyName'])
+    return filter_policies
+
+
+def _regex_policy_name(policy_name):
+    """Get the correct policy name as a regex
+    (e.g. OOF_HAS_vCPE.cloudAttributePolicy ends up in policy as OOF_HAS_vCPE.Config_MS_cloudAttributePolicy.1.xml
+    So, for now, we query it as OOF_HAS_vCPE..*aicAttributePolicy.*)
+    :param policy_name: Example: OOF_HAS_vCPE.aicAttributePolicy
+    :return: regexp for policy: Example: OOF_HAS_vCPE..*aicAttributePolicy.*
+    """
+    p = policy_name.partition('.')
+    return p[0] + p[1] + ".*" + p[2] + ".*"
diff --git a/models/policy/cmso/xacml/placementPolicies.xcore b/models/policy/cmso/xacml/placementPolicies.xcore
new file mode 100644
index 0000000..3348cb0
--- /dev/null
+++ b/models/policy/cmso/xacml/placementPolicies.xcore
@@ -0,0 +1,718 @@
+/*
+ * This XCORE file contains models for the placement optimization policies in SNIRO.
+ * @author Ankitkumar Patel
+ * @version 0.0.1
+ * @since 2017-04-13
+ */
+
+package com.att.ecomp.sniro.policies.placement
+
+import java.util.UUID
+
+annotation "http://ecomp.att.com" as ecomp
+annotation "http://ecomp.att.com/policy" as policy
+
+type UUID  wraps UUID
+
+/*
+ * Comparison operators
+ */
+enum ComparisonOperator{
+        less=1, grater=2, lessEqual=3, greaterEqual=4, equal=5, notEqual=6
+}
+
+enum TenantType{
+        GW_TENANT_ID=1, PORTAL_TENANT_ID=2
+}
+
+/*
+ * Computational operators
+ */
+enum ComputationalOperator{
+        sum=1, product=2
+}
+
+
+/*
+ * Qualifier types
+ */
+enum Qualifier{
+        same=1, different=2
+}
+
+/*
+ * Zone  category
+ */
+enum ZoneCategory{
+        disaster=1, region=2, complex=3, time=4, maintenance=5
+}
+
+/*
+ * Geographical region types
+ */
+enum GeoRegion{
+        US=1, EMEA=2, AP=3, CALA=4, CA=5, INTERNATIONAL=6
+}
+
+/*
+ * Parameters
+ */
+enum Parameter{
+        distance=0, latency=1, aic_version=2
+        //thoughput=1, geoDistance=1, airDistance=2, latency=3, bandwidth=4
+}
+
+
+/*
+ * The type of inventory defined in AIC
+ */
+enum InventoryType{
+        service=1, cloud=2
+}
+
+/*
+ * The type of AT&T network
+ */
+ enum NetworkType{
+        ip=1
+ }
+
+/*
+ * Objective functions.
+ */
+
+enum ObjectiveFunction{
+        minimize=1, maximize=2
+}
+
+/*
+ * This is a model of a condition.
+ * @param parameter This is the parameter of interest.
+ * @param operator This is a comparison operator.
+ * @param value This is a value of a parameter
+ */
+class ConditionalInfo{
+        @ecomp(^type = "configuration")
+        Parameter parameter
+        @ecomp(^type = "configuration")
+        ComparisonOperator operator
+        @ecomp(^type = "configuration")
+        String value
+}
+
+enum LocationInfo{
+        customer_loc=1, none=2, customer_pref_loc=3
+}
+
+
+/*
+ * Model for distance to location property.
+ * @param distanceCondition This is a distance condition.
+ * @param locationInfo This is a location with respect to which distance condition is applied.
+ */
+class DistanceToLocationProperty{
+        //distanceCondition.parameter must be distance.
+        @ecomp(^type = "configuration")
+        contains ConditionalInfo distanceCondition
+        @ecomp(^type = "configuration")
+        LocationInfo locationInfo
+}
+
+enum DistanceToLocationPolicyType{
+        distance_to_location=1
+}
+
+/*
+ * Model for distance to location policy.
+ * @param identity This is an identity created by a user.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resource instances over which this policy is applied.
+ * @param distanceToLocationProperty This is the distance properties of the policy.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class DistanceToLocationPolicy extends SniroPolicyMetaInfo{
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        DistanceToLocationPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains DistanceToLocationProperty distanceToLocationProperty
+}
+
+/*
+ * The property associated with the NetworkBetweenDemandsPolicy.
+ * @param latencyCondition The latency property associated with the policy.
+ * @param locationInfo The customer location information.
+ */
+class NetworkToLocationProperty{
+        //latencyCondition.parameter must be latency.
+        @ecomp(^type = "configuration")
+        contains ConditionalInfo latencyCondition
+        @ecomp(^type = "configuration")
+        LocationInfo locationInfo
+}
+
+enum NetworkToLocationPolicyType{
+        network_to_location=1
+}
+
+/*
+ * Network between demands policy.
+ * @param type The type of a policy.
+ * @param resourceInstanceType The resources associated with a policy.
+ * @param networkToLocationProperty The property associated with the policy.
+ */
+
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class NetworkToLocationPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        NetworkToLocationPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains NetworkToLocationProperty networkToLocationProperty
+}
+
+/*
+ * The property associated with the NetworkBetweenDemandsPolicy.
+ * @param latencyCondition The latency property associated with the policy.
+ */
+class NetworkBetweenDemandsProperty{
+        //latencyCondition.parameter must be latency.
+        @ecomp(^type = "configuration")
+        contains ConditionalInfo latencyCondition
+}
+
+enum NetworkBetweenDemandsPolicyType{
+        network_between_demands=1
+}
+
+/*
+ * Network between demands policy.
+ * @param type The type of a policy.
+ * @param resourceInstanceType The resources associated with a policy.
+ * @param networkBetweenDemandsProperty The property associated with the policy.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class NetworkBetweenDemandsPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        NetworkBetweenDemandsPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains NetworkBetweenDemandsProperty networkBetweenDemandsProperty
+}
+
+
+/*
+ * Network roles supported a VNF placement
+ * @param all A list of network roles.
+ */
+class NetworkRoles{
+        @ecomp(^type = "configuration")
+        String[] all
+}
+
+/*
+ * Complex names supported by a VNF placement
+ * @param any A list of complex names.
+ */
+class Complex{
+        @ecomp(^type = "configuration")
+        String[] any
+}
+/*
+ * This are the AIC properties.
+ * @param aicVersion This is the version of AIC.
+ * @param aicType This is the type of AIC.
+ * @param dataPlace This is the type of data plane.
+ * @param hypervisor This is the type of hypervisor.
+ * @param networkRoles This is a list of connected networks.
+ * @param exclusivityGroups This is an exclusivity group Id
+ * @param state State in which a VNF should be located.
+ * @param country Country in which a VNF should be located.
+ * @param getRegion Geographical region in which a VNF should be located.
+ */
+class AicAttributeProperty{
+        //aicVersionCondition.parameter must be aicVersion.
+        @ecomp(^type = "configuration")
+        String aicVersion
+        @ecomp(^type = "configuration")
+        String aicType
+        @ecomp(^type = "configuration")
+        String dataPlane
+        @ecomp(^type = "configuration")
+        String hypervisor
+        @ecomp(^type = "configuration")
+        contains NetworkRoles networkRoles
+        @ecomp(^type = "configuration")
+        contains Complex complex
+        @ecomp(^type = "configuration")
+        String exclusivityGroups
+        @ecomp(^type = "configuration")
+        String state
+        @ecomp(^type = "configuration")
+        String country
+        @ecomp(^type = "configuration")
+        GeoRegion geoRegion
+        @ecomp(^type = "configuration")
+    	String replicationRole
+
+}
+
+enum AicAttributePolicyType{
+        attribute=1
+}
+
+/*
+ * Model for the AIC attribute policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources over which the policy is applied.
+ * @param aicAttributeProperty This is the properties associated with the policy.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class AicAttributePolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        AicAttributePolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains AicAttributeProperty aicAttributeProperty
+}
+
+/*
+ * The property associated with the capacity policy.
+ * @param tenant The tenant whose capacity needs to be checked.
+ * @param description The location of a heat template.
+ */
+class CapacityProperty{
+        @ecomp(^type = "configuration")
+        TenantType tenant
+        @ecomp(^type = "configuration")
+        String description
+}
+
+enum CapacityPolicyType{
+        cloud_capacity=1
+}
+
+/*
+ * Capacity policy
+ * @param type The type of a policy.
+ * @param resourceInstanceType The type of resources associated with a policy.
+ * @param capacityProperty The property associated with a policy.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class CapacityPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        CapacityPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains CapacityProperty capacityProperty
+}
+
+enum InventoryGroupPolicyType{
+        inventory_group = 1
+}
+
+/*
+ * Model for the inventory group policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources that must be grouped/paired
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class InventoryGroupPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        InventoryGroupPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+}
+
+/*
+ * This is the property associated with this policy.
+ * @param controller ECOMP controller.
+ * @param request This should be key-value pairs to be sent in a request.
+ */
+class ResourceInstanceProperty{
+        @ecomp(^type = "configuration")
+        String controller
+        @ecomp(^type = "configuration")
+        String request
+}
+
+enum ResourceInstancePolicyType{
+        instance_fit=1
+}
+/*
+ * Model for the resource instance policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources.
+ * @param resourceInstanceProperty This is a property associated with each resource in the list.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class ResourceInstancePolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        ResourceInstancePolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains ResourceInstanceProperty resourceInstanceProperty
+
+}
+
+/*
+ * This is the property associated with this policy.
+ * @param controller ECOMP controller
+ * @param request This should be key-value pairs to be sent in a request.
+ */
+class ResourceRegionProperty{
+        @ecomp(^type = "configuration")
+        String controller
+        @ecomp(^type = "configuration")
+        String request
+}
+
+enum ResourceRegionPolicyType{
+        region_fit=1
+}
+
+/*
+ * Model for the resource region policy
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources.
+ * @param resourceRegionProperty This is a property associated with this policy.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class ResourceRegionPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        ResourceRegionPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains ResourceRegionProperty resourceRegionProperty
+}
+
+/*
+ * This is the property associated with zone policy.
+ * @param qualifier This is the qualifier.
+ * @param category This is the category of a zone.
+ */
+class ZoneProperty{
+        @ecomp(^type = "configuration")
+        Qualifier qualifier
+        @ecomp(^type = "configuration")
+        ZoneCategory category
+}
+
+enum ZonePolicyType{
+        zone=1
+}
+
+/*
+ * Model of the zone policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstanceType This is a list of resources.
+ * @param zoneProperty This is the property associated with the policy.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+
+class ZonePolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        ZonePolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains ZoneProperty zoneProperty
+}
+
+/*
+ * The property associated with a VNF type.
+ * @param inventoryProvider The ECOMP entity providing inventory information.
+ * @param inventoryType The type of an inventory.
+ * @param serviceId The id of a service.
+ */
+class VNFPolicyProperty{
+        @ecomp(^type = "configuration")
+        String inventoryProvider
+        @ecomp(^type = "configuration")
+        InventoryType inventoryType
+        @ecomp(^type = "configuration")
+        contains Attributes attributes
+}
+
+/*
+ * The property associated with a Subscriber type.
+ * @param subscriberName The name of a subscriber.
+ * @param subscriberRole The role of a subscriber.
+ * @param provStatus The provisioning status of a subscriber.
+ */
+class SubscriberPolicyProperty{
+        @ecomp(^type = "configuration")
+        String[] subscriberName
+        @ecomp(^type = "configuration")
+        String[] subscriberRole
+        @ecomp(^type = "configuration")
+        String[] provStatus
+}
+
+enum VNFPolicyType{
+        vnfPolicy=1
+}
+
+enum SubscriberPolicyType{
+        subscriberPolicy=1
+}
+
+class Attributes{
+    @ecomp(^type = "configuration")
+    String globalCustomerId
+    @ecomp(^type = "configuration")
+    String operationalStatus
+    @ecomp(^type = "configuration")
+    String[] orchestrationStatus
+    @ecomp(^type = "configuration")
+    String modelInvariantId
+    @ecomp(^type = "configuration")
+    String modelVersionId
+    @ecomp(^type = "configuration")
+    String equipmentRole
+}
+
+/*
+ * Policy associated with a VNF.
+ * @param resourceInstance This parameter identifies a specific VNF.
+ * @param inventoryProvider This is the provider of inventory.
+ * @param inventoryType This is the type of inventory.
+ * @param serviceType The service associated with a VNF.
+ * @param serviceId The Id associated with a service.
+ * @param globalCustomerId The global id of a customer.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class VNFPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        VNFPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains VNFPolicyProperty[] property
+}
+
+/*
+ * Policy associated with a Subscriber.
+ * @param subscriberName The name of a subscriber.
+ * @param subscriberRole The role of a subscriber.
+ * @param provStatus The provisioning status of a subscriber.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class SubscriberPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        SubscriberPolicyType ^type
+        @ecomp(^type = "configuration")
+        contains SubscriberPolicyProperty[] property
+}
+
+
+/*
+ * This is the property associated with this policy.
+ * @param providerUrl This is the url of provider to check the capacity.
+ * @param request This should be key-value pairs to be sent in a request.
+ */
+class InstanceReservationProperty{
+        @ecomp(^type = "configuration")
+        String controller
+        @ecomp(^type = "configuration")
+        String request
+}
+
+enum InstanceReservationPolicyType{
+        instance_reservation=1
+}
+/*
+ * Model for the resource instance policy.
+ * @param identity This is an identity created by a user.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources.
+ * @param resourceInstanceProperty This is a property associated with each resource in the list.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+class instanceReservationPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        InstanceReservationPolicyType ^type
+        @ecomp(^type = "configuration")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        contains InstanceReservationProperty instanceReservationProperty
+
+}
+
+/*
+ * This is a model of an operand.
+ * @param parameter This is a parameter.
+ * @param associativity This is a list of entities with which a parameter is associated.
+ */
+ /*
+class Operand{
+        @ecomp(^type = "configuration")
+        Parameter parameter
+        @ecomp(^type = "configuration")
+        Entity associativity
+}
+*/
+
+/*
+ * This is the optimization function.
+ * @param identity This is an identity of a function.
+ * @param operation This is a computational operator.
+ * @param leftOperand This is a left operand of a function.
+ * @param rightOperand This is a right operand of a function.
+ */
+/*
+class OptimizationFunction{
+        @ecomp(^type = "configuration")
+        ExpressionIdentity identity
+        @ecomp(^type = "configuration")
+        ComputationalOperator operation
+        @ecomp(^type = "configuration")
+        contains Operand[] operands
+}
+*/
+
+/*
+ * Properties associated with a sub-expression.
+ * @param weight The weight of an expression.
+ * @param parameter The parameter involved in an expression.
+ * @param entity The entities involved in an expression.
+ * @param operator The operator of an expression.
+ * @param customerLocationInfo The location of a customer.
+ */
+class AttributeProperty{
+        @ecomp(^type = "configuration")
+        double weight
+        @ecomp(^type = "configuration")
+        Parameter parameter
+        @ecomp(^type = "configuration")
+        String[] resource
+        @ecomp(^type = "configuration")
+        ComputationalOperator operator
+        @ecomp(^type = "configuration")
+        LocationInfo customerLocationInfo
+}
+
+enum PlacementOptimizationPolicyType{
+        placementOptimization=1
+}
+
+/*
+ * @param operator An operator in an expression.
+ * @param parameterAttributes Represents sub-expression
+ */
+class ObjectiveParameter{
+        @ecomp(^type = "configuration")
+        ComputationalOperator operator
+        @ecomp(^type = "configuration")
+        contains AttributeProperty[] parameterAttributes
+}
+
+/*
+ * Model of the placement optimization policy.
+ * @param type This is the type of a policy.
+ * @param objective This is an objective function.
+ * @param objectiveParameter The parameter/expression to be optimized.
+ */
+@policy (
+    policyTemplate = "SNIRO-PLACEMENT"
+)
+
+class PlacementOptimizationPolicy extends SniroPolicyMetaInfo{
+        @policy (matching = "true")
+        @ecomp(^type = "configuration")
+        PlacementOptimizationPolicyType ^type
+        @ecomp(^type = "configuration")
+        ObjectiveFunction objective
+        @ecomp(^type = "configuration")
+        contains ObjectiveParameter objectiveParameter
+}
+
+
+/*
+ * Meta information required for SNIRO policies.
+ * @param identity This is a user-defined identity.
+ * @param policyScope The scope of a policy
+ */
+
+@policy (
+    policyTemplate = "SNIRO"
+)
+class SniroPolicyMetaInfo{
+        @ecomp(^type = "configuration")
+        String identity
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        contains Scope policyScope
+}
+
+/*
+ * Scopes in which a policy is applicable.
+ * @param serviceType The type of a service.
+ * @param networkType The type of a network
+ * @param geoRigion The geographical region.
+ * @param resourceInstanceType The resources associated with a policy/
+ * @param subscriberRole 
+ */
+class Scope{
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        String[] serviceType
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        String[] networkType
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        String[] geoRegion
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        String[] resourceInstanceType
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        String[] modelInvariantId
+        @ecomp(^type = "configuration")
+        @policy (matching = "true")
+        String[] subscriberRole
+}
\ No newline at end of file
diff --git a/models/policy/placement/xacml/placementPolicies.xcore b/models/policy/placement/xacml/placementPolicies.xcore
new file mode 100644
index 0000000..866488e
--- /dev/null
+++ b/models/policy/placement/xacml/placementPolicies.xcore
@@ -0,0 +1,728 @@
+/*
+ * ================================================================================
+ * Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+*/
+
+package org.onap.oof.osdf.policies.placement
+
+import java.util.UUID
+
+annotation "http://org.onap" as onap
+annotation "http://org.onap.policy" as policy
+
+type UUID  wraps UUID
+
+/*
+ * Comparison operators
+ */
+enum ComparisonOperator{
+        less=1, grater=2, lessEqual=3, greaterEqual=4, equal=5, notEqual=6
+}
+
+enum TenantType{
+        GW_TENANT_ID=1, PORTAL_TENANT_ID=2
+}
+
+/*
+ * Computational operators
+ */
+enum ComputationalOperator{
+        sum=1, product=2
+}
+
+
+/*
+ * Qualifier types
+ */
+enum Qualifier{
+        same=1, different=2
+}
+
+/*
+ * Zone  category
+ */
+enum ZoneCategory{
+        disaster=1, region=2, complex=3, time=4, maintenance=5
+}
+
+/*
+ * Geographical region types
+ */
+enum GeoRegion{
+        US=1, EMEA=2, AP=3, CALA=4, CA=5, INTERNATIONAL=6
+}
+
+/*
+ * Parameters
+ */
+enum Parameter{
+        distance=0, latency=1, cloud_version=2
+        //thoughput=1, geoDistance=1, airDistance=2, latency=3, bandwidth=4
+}
+
+
+/*
+ * The type of inventory defined in cloud
+ */
+enum InventoryType{
+        service=1, cloud=2
+}
+
+/*
+ * The type of network
+ */
+ enum NetworkType{
+        ip=1
+ }
+
+/*
+ * Objective functions.
+ */
+
+enum ObjectiveFunction{
+        minimize=1, maximize=2
+}
+
+/*
+ * This is a model of a condition.
+ * @param parameter This is the parameter of interest.
+ * @param operator This is a comparison operator.
+ * @param value This is a value of a parameter
+ */
+class ConditionalInfo{
+        @onap(^type = "configuration")
+        Parameter parameter
+        @onap(^type = "configuration")
+        ComparisonOperator operator
+        @onap(^type = "configuration")
+        String value
+}
+
+enum LocationInfo{
+        customer_loc=1, none=2, customer_pref_loc=3
+}
+
+
+/*
+ * Model for distance to location property.
+ * @param distanceCondition This is a distance condition.
+ * @param locationInfo This is a location with respect to which distance condition is applied.
+ */
+class DistanceToLocationProperty{
+        //distanceCondition.parameter must be distance.
+        @onap(^type = "configuration")
+        contains ConditionalInfo distanceCondition
+        @onap(^type = "configuration")
+        LocationInfo locationInfo
+}
+
+enum DistanceToLocationPolicyType{
+        distance_to_location=1
+}
+
+/*
+ * Model for distance to location policy.
+ * @param identity This is an identity created by a user.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resource instances over which this policy is applied.
+ * @param distanceToLocationProperty This is the distance properties of the policy.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class DistanceToLocationPolicy extends OOFPolicyMetaInfo{
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        DistanceToLocationPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains DistanceToLocationProperty distanceToLocationProperty
+}
+
+/*
+ * The property associated with the NetworkBetweenDemandsPolicy.
+ * @param latencyCondition The latency property associated with the policy.
+ * @param locationInfo The customer location information.
+ */
+class NetworkToLocationProperty{
+        //latencyCondition.parameter must be latency.
+        @onap(^type = "configuration")
+        contains ConditionalInfo latencyCondition
+        @onap(^type = "configuration")
+        LocationInfo locationInfo
+}
+
+enum NetworkToLocationPolicyType{
+        network_to_location=1
+}
+
+/*
+ * Network between demands policy.
+ * @param type The type of a policy.
+ * @param resourceInstanceType The resources associated with a policy.
+ * @param networkToLocationProperty The property associated with the policy.
+ */
+
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class NetworkToLocationPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        NetworkToLocationPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains NetworkToLocationProperty networkToLocationProperty
+}
+
+/*
+ * The property associated with the NetworkBetweenDemandsPolicy.
+ * @param latencyCondition The latency property associated with the policy.
+ */
+class NetworkBetweenDemandsProperty{
+        //latencyCondition.parameter must be latency.
+        @onap(^type = "configuration")
+        contains ConditionalInfo latencyCondition
+}
+
+enum NetworkBetweenDemandsPolicyType{
+        network_between_demands=1
+}
+
+/*
+ * Network between demands policy.
+ * @param type The type of a policy.
+ * @param resourceInstanceType The resources associated with a policy.
+ * @param networkBetweenDemandsProperty The property associated with the policy.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class NetworkBetweenDemandsPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        NetworkBetweenDemandsPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains NetworkBetweenDemandsProperty networkBetweenDemandsProperty
+}
+
+
+/*
+ * Network roles supported a VNF placement
+ * @param all A list of network roles.
+ */
+class NetworkRoles{
+        @onap(^type = "configuration")
+        String[] all
+}
+
+/*
+ * Complex names supported by a VNF placement
+ * @param any A list of complex names.
+ */
+class Complex{
+        @onap(^type = "configuration")
+        String[] any
+}
+/*
+ * This are the cloud properties.
+ * @param cloudVersion This is the version of cloud.
+ * @param cloudType This is the type of cloud.
+ * @param dataPlace This is the type of data plane.
+ * @param hypervisor This is the type of hypervisor.
+ * @param networkRoles This is a list of connected networks.
+ * @param exclusivityGroups This is an exclusivity group Id
+ * @param state State in which a VNF should be located.
+ * @param country Country in which a VNF should be located.
+ * @param getRegion Geographical region in which a VNF should be located.
+ */
+class cloudAttributeProperty{
+        //cloudVersionCondition.parameter must be cloudVersion.
+        @onap(^type = "configuration")
+        String cloudVersion
+        @onap(^type = "configuration")
+        String cloudType
+        @onap(^type = "configuration")
+        String dataPlane
+        @onap(^type = "configuration")
+        String hypervisor
+        @onap(^type = "configuration")
+        contains NetworkRoles networkRoles
+        @onap(^type = "configuration")
+        contains Complex complex
+        @onap(^type = "configuration")
+        String exclusivityGroups
+        @onap(^type = "configuration")
+        String state
+        @onap(^type = "configuration")
+        String country
+        @onap(^type = "configuration")
+        GeoRegion geoRegion
+        @onap(^type = "configuration")
+    	String replicationRole
+
+}
+
+enum cloudAttributePolicyType{
+        attribute=1
+}
+
+/*
+ * Model for the cloud attribute policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources over which the policy is applied.
+ * @param cloudAttributeProperty This is the properties associated with the policy.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class cloudAttributePolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        cloudAttributePolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains cloudAttributeProperty cloudAttributeProperty
+}
+
+/*
+ * The property associated with the capacity policy.
+ * @param tenant The tenant whose capacity needs to be checked.
+ * @param description The location of a heat template.
+ */
+class CapacityProperty{
+        @onap(^type = "configuration")
+        TenantType tenant
+        @onap(^type = "configuration")
+        String description
+}
+
+enum CapacityPolicyType{
+        cloud_capacity=1
+}
+
+/*
+ * Capacity policy
+ * @param type The type of a policy.
+ * @param resourceInstanceType The type of resources associated with a policy.
+ * @param capacityProperty The property associated with a policy.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class CapacityPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        CapacityPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains CapacityProperty capacityProperty
+}
+
+enum InventoryGroupPolicyType{
+        inventory_group = 1
+}
+
+/*
+ * Model for the inventory group policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources that must be grouped/paired
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class InventoryGroupPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        InventoryGroupPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+}
+
+/*
+ * This is the property associated with this policy.
+ * @param controller onap controller.
+ * @param request This should be key-value pairs to be sent in a request.
+ */
+class ResourceInstanceProperty{
+        @onap(^type = "configuration")
+        String controller
+        @onap(^type = "configuration")
+        String request
+}
+
+enum ResourceInstancePolicyType{
+        instance_fit=1
+}
+/*
+ * Model for the resource instance policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources.
+ * @param resourceInstanceProperty This is a property associated with each resource in the list.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class ResourceInstancePolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        ResourceInstancePolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains ResourceInstanceProperty resourceInstanceProperty
+
+}
+
+/*
+ * This is the property associated with this policy.
+ * @param controller onap controller
+ * @param request This should be key-value pairs to be sent in a request.
+ */
+class ResourceRegionProperty{
+        @onap(^type = "configuration")
+        String controller
+        @onap(^type = "configuration")
+        String request
+}
+
+enum ResourceRegionPolicyType{
+        region_fit=1
+}
+
+/*
+ * Model for the resource region policy
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources.
+ * @param resourceRegionProperty This is a property associated with this policy.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class ResourceRegionPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        ResourceRegionPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains ResourceRegionProperty resourceRegionProperty
+}
+
+/*
+ * This is the property associated with zone policy.
+ * @param qualifier This is the qualifier.
+ * @param category This is the category of a zone.
+ */
+class ZoneProperty{
+        @onap(^type = "configuration")
+        Qualifier qualifier
+        @onap(^type = "configuration")
+        ZoneCategory category
+}
+
+enum ZonePolicyType{
+        zone=1
+}
+
+/*
+ * Model of the zone policy.
+ * @param type This is the type of a policy.
+ * @param resourceInstanceType This is a list of resources.
+ * @param zoneProperty This is the property associated with the policy.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+
+class ZonePolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        ZonePolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains ZoneProperty zoneProperty
+}
+
+/*
+ * The property associated with a VNF type.
+ * @param inventoryProvider The onap entity providing inventory information.
+ * @param inventoryType The type of an inventory.
+ * @param serviceId The id of a service.
+ */
+class VNFPolicyProperty{
+        @onap(^type = "configuration")
+        String inventoryProvider
+        @onap(^type = "configuration")
+        InventoryType inventoryType
+        @onap(^type = "configuration")
+        contains Attributes attributes
+}
+
+/*
+ * The property associated with a Subscriber type.
+ * @param subscriberName The name of a subscriber.
+ * @param subscriberRole The role of a subscriber.
+ * @param provStatus The provisioning status of a subscriber.
+ */
+class SubscriberPolicyProperty{
+        @onap(^type = "configuration")
+        String[] subscriberName
+        @onap(^type = "configuration")
+        String[] subscriberRole
+        @onap(^type = "configuration")
+        String[] provStatus
+}
+
+enum VNFPolicyType{
+        vnfPolicy=1
+}
+
+enum SubscriberPolicyType{
+        subscriberPolicy=1
+}
+
+class Attributes{
+    @onap(^type = "configuration")
+    String globalCustomerId
+    @onap(^type = "configuration")
+    String operationalStatus
+    @onap(^type = "configuration")
+    String[] orchestrationStatus
+    @onap(^type = "configuration")
+    String modelInvariantId
+    @onap(^type = "configuration")
+    String modelVersionId
+    @onap(^type = "configuration")
+    String equipmentRole
+}
+
+/*
+ * Policy associated with a VNF.
+ * @param resourceInstance This parameter identifies a specific VNF.
+ * @param inventoryProvider This is the provider of inventory.
+ * @param inventoryType This is the type of inventory.
+ * @param serviceType The service associated with a VNF.
+ * @param serviceId The Id associated with a service.
+ * @param globalCustomerId The global id of a customer.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class VNFPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        VNFPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains VNFPolicyProperty[] property
+}
+
+/*
+ * Policy associated with a Subscriber.
+ * @param subscriberName The name of a subscriber.
+ * @param subscriberRole The role of a subscriber.
+ * @param provStatus The provisioning status of a subscriber.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class SubscriberPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        SubscriberPolicyType ^type
+        @onap(^type = "configuration")
+        contains SubscriberPolicyProperty[] property
+}
+
+
+/*
+ * This is the property associated with this policy.
+ * @param providerUrl This is the url of provider to check the capacity.
+ * @param request This should be key-value pairs to be sent in a request.
+ */
+class InstanceReservationProperty{
+        @onap(^type = "configuration")
+        String controller
+        @onap(^type = "configuration")
+        String request
+}
+
+enum InstanceReservationPolicyType{
+        instance_reservation=1
+}
+/*
+ * Model for the resource instance policy.
+ * @param identity This is an identity created by a user.
+ * @param type This is the type of a policy.
+ * @param resourceInstance This is a list of resources.
+ * @param resourceInstanceProperty This is a property associated with each resource in the list.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class InstanceReservationPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        InstanceReservationPolicyType ^type
+        @onap(^type = "configuration")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        contains InstanceReservationProperty instanceReservationProperty
+
+}
+
+/*
+ * This is a model of an operand.
+ * @param parameter This is a parameter.
+ * @param associativity This is a list of entities with which a parameter is associated.
+ */
+ /*
+class Operand{
+        @onap(^type = "configuration")
+        Parameter parameter
+        @onap(^type = "configuration")
+        Entity associativity
+}
+*/
+
+/*
+ * This is the optimization function.
+ * @param identity This is an identity of a function.
+ * @param operation This is a computational operator.
+ * @param leftOperand This is a left operand of a function.
+ * @param rightOperand This is a right operand of a function.
+ */
+/*
+class OptimizationFunction{
+        @onap(^type = "configuration")
+        ExpressionIdentity identity
+        @onap(^type = "configuration")
+        ComputationalOperator operation
+        @onap(^type = "configuration")
+        contains Operand[] operands
+}
+*/
+
+/*
+ * Properties associated with a sub-expression.
+ * @param weight The weight of an expression.
+ * @param parameter The parameter involved in an expression.
+ * @param entity The entities involved in an expression.
+ * @param operator The operator of an expression.
+ * @param customerLocationInfo The location of a customer.
+ */
+class AttributeProperty{
+        @onap(^type = "configuration")
+        double weight
+        @onap(^type = "configuration")
+        Parameter parameter
+        @onap(^type = "configuration")
+        String[] resource
+        @onap(^type = "configuration")
+        ComputationalOperator operator
+        @onap(^type = "configuration")
+        LocationInfo customerLocationInfo
+}
+
+enum PlacementOptimizationPolicyType{
+        placementOptimization=1
+}
+
+/*
+ * @param operator An operator in an expression.
+ * @param parameterAttributes Represents sub-expression
+ */
+class ObjectiveParameter{
+        @onap(^type = "configuration")
+        ComputationalOperator operator
+        @onap(^type = "configuration")
+        contains AttributeProperty[] parameterAttributes
+}
+
+/*
+ * Model of the placement optimization policy.
+ * @param type This is the type of a policy.
+ * @param objective This is an objective function.
+ * @param objectiveParameter The parameter/expression to be optimized.
+ */
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+
+class PlacementOptimizationPolicy extends OOFPolicyMetaInfo{
+        @policy (matching = "true")
+        @onap(^type = "configuration")
+        PlacementOptimizationPolicyType ^type
+        @onap(^type = "configuration")
+        ObjectiveFunction objective
+        @onap(^type = "configuration")
+        contains ObjectiveParameter objectiveParameter
+}
+
+
+/*
+ * Meta information required for oof policies.
+ * @param identity This is a user-defined identity.
+ * @param policyScope The scope of a policy
+ */
+
+@policy (
+    policyTemplate = "OOF-PLACEMENT"
+)
+class OOFPolicyMetaInfo{
+        @onap(^type = "configuration")
+        String identity
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        contains Scope policyScope
+}
+
+/*
+ * Scopes in which a policy is applicable.
+ * @param serviceType The type of a service.
+ * @param networkType The type of a network
+ * @param geoRigion The geographical region.
+ * @param resourceInstanceType The resources associated with a policy/
+ * @param subscriberRole 
+ */
+class Scope{
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        String[] serviceType
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        String[] networkType
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        String[] geoRegion
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        String[] resourceInstanceType
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        String[] modelInvariantId
+        @onap(^type = "configuration")
+        @policy (matching = "true")
+        String[] subscriberRole
+}