diff options
Diffstat (limited to 'optimizers/placementopt')
| -rw-r--r-- | optimizers/placementopt/__init__.py | 0 | ||||
| -rw-r--r-- | optimizers/placementopt/conductor/__init__.py | 0 | ||||
| -rw-r--r-- | optimizers/placementopt/conductor/api_builder.py | 121 | ||||
| -rw-r--r-- | optimizers/placementopt/conductor/conductor.py | 186 | ||||
| -rw-r--r-- | optimizers/placementopt/conductor/remote_opt_processor.py | 79 | ||||
| -rw-r--r-- | optimizers/placementopt/conductor/translation.py | 215 |
6 files changed, 0 insertions, 601 deletions
diff --git a/optimizers/placementopt/__init__.py b/optimizers/placementopt/__init__.py deleted file mode 100644 index e69de29..0000000 --- a/optimizers/placementopt/__init__.py +++ /dev/null diff --git a/optimizers/placementopt/conductor/__init__.py b/optimizers/placementopt/conductor/__init__.py deleted file mode 100644 index e69de29..0000000 --- a/optimizers/placementopt/conductor/__init__.py +++ /dev/null diff --git a/optimizers/placementopt/conductor/api_builder.py b/optimizers/placementopt/conductor/api_builder.py deleted file mode 100644 index c0281fe..0000000 --- a/optimizers/placementopt/conductor/api_builder.py +++ /dev/null @@ -1,121 +0,0 @@ -# ------------------------------------------------------------------------- -# 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 copy -import json -from osdf.utils import data_mapping -from jinja2 import Template -from osdf.utils.programming_utils import list_flatten, dot_notation -import osdf.optimizers.placementopt.conductor.translation as tr -from osdf.adapters.policy.utils import group_policies - - -def conductor_api_builder(request_json, flat_policies: list, local_config, prov_status, - template="templates/conductor_interface.json"): - """Build a SNIRO southbound API call for Conductor/Placement optimization - :param request_json: parameter data received from a client - :param flat_policies: policy data received from the policy platform (flat policies) - :param template: template to generate southbound API call to conductor - :param local_config: local configuration file with pointers for the service specific information - :param prov_status: provStatus retrieved from Subscriber policy - :return: json to be sent to Conductor/placement optimization - """ - templ = Template(open(template).read()) - gp = group_policies(flat_policies) - demand_vnf_name_list = [] - - for placementDemand in request_json['placementInfo']['demandInfo']['placementDemand']: - demand_vnf_name_list.append(placementDemand['resourceModuleName']) - - demand_list = tr.gen_demands(request_json['placementInfo']['demandInfo'], gp['vnfPolicy']) - attribute_policy_list = tr.gen_attribute_policy(demand_vnf_name_list, gp['attribute']) - distance_to_location_policy_list = tr.gen_distance_to_location_policy( - demand_vnf_name_list, gp['distance_to_location']) - inventory_policy_list = tr.gen_inventory_group_policy(demand_vnf_name_list, gp['inventory_group']) - resource_instance_policy_list = tr.gen_resource_instance_policy( - demand_vnf_name_list, gp['instance_fit']) - resource_region_policy_list = tr.gen_resource_region_policy(demand_vnf_name_list, gp['region_fit']) - zone_policy_list = tr.gen_zone_policy(demand_vnf_name_list, gp['zone']) - optimization_policy_list = tr.gen_optimization_policy(demand_vnf_name_list, gp['placementOptimization']) - reservation_policy_list = tr.gen_reservation_policy(demand_vnf_name_list, gp['instance_reservation']) - conductor_policies = [attribute_policy_list, distance_to_location_policy_list, inventory_policy_list, - resource_instance_policy_list, resource_region_policy_list, zone_policy_list] - filtered_policies = [x for x in conductor_policies if len(x) > 0] - policy_groups = list_flatten(filtered_policies) - reservation_policies = [x for x in reservation_policy_list if len(x) > 0] - reservation_groups = list_flatten(reservation_policies) - req_info = request_json['requestInfo'] - model_name = request_json['placementInfo']['serviceModelInfo']['modelName'] - service_type = data_mapping.get_service_type(model_name) - service_info = local_config.get('service_info', {}).get(service_type, {}) - if 'orderInfo' in request_json["placementInfo"]: - order_info = json.loads(request_json["placementInfo"]["orderInfo"]) - request_type = req_info.get('requestType', None) - subs_com_site_id = "" - if 'subscriberInfo' in request_json['placementInfo']: - subs_com_site_id = request_json['placementInfo']['subscriberInfo'].get('subscriberCommonSiteId', "") - if service_type == 'vCPE': - data_mapping.normalize_user_params(order_info) - rendered_req = templ.render( - requestType=request_type, - chosenComplex=subs_com_site_id, - demand_list=demand_list, - policy_groups=policy_groups, - optimization_policies=optimization_policy_list, - name=req_info['requestId'], - timeout=req_info['timeout'], - limit=req_info['numSolutions'], - serviceType=service_type, - serviceInstance=request_json['placementInfo']['serviceInstanceId'], - provStatus = prov_status, - chosenRegion=order_info['requestParameters']['lcpCloudRegionId'], - json=json) - elif service_type == 'UNKNOWN': - rendered_req = templ.render( - requestType=request_type, - chosenComplex=subs_com_site_id, - demand_list=demand_list, - policy_groups=policy_groups, - reservation_groups=reservation_groups, - optimization_policies=optimization_policy_list, - name=req_info['requestId'], - timeout=req_info['timeout'], - limit=req_info['numSolutions'], - serviceType=service_type, - serviceInstance=request_json['placementInfo']['serviceInstanceId'], - provStatus = prov_status, - # process order data - bandwidth=dot_notation(order_info, service_info['bandwidth']), - bandwidth_unit=dot_notation(order_info, service_info['bandwidth_units']), - json=json) - json_payload = json.dumps(json.loads(rendered_req)) # need this because template's JSON is ugly! - return json_payload - - -def retrieve_node(req_json, reference): - """ - Get the child node(s) from the dot-notation [reference] and parent [req_json]. - For placement and other requests, there are encoded JSONs inside the request or policy, - so we need to expand it and then do a search over the parent plus expanded JSON. - """ - req_json_copy = copy.deepcopy(req_json) # since we expand the JSON in place, we work on a copy - if 'orderInfo' in req_json_copy['placementInfo']: - req_json_copy['placementInfo']['orderInfo'] = json.loads(req_json_copy['placementInfo']['orderInfo']) - info = dot_notation(req_json_copy, reference) - return list_flatten(info) if isinstance(info, list) else info - diff --git a/optimizers/placementopt/conductor/conductor.py b/optimizers/placementopt/conductor/conductor.py deleted file mode 100644 index bdc7f17..0000000 --- a/optimizers/placementopt/conductor/conductor.py +++ /dev/null @@ -1,186 +0,0 @@ -# ------------------------------------------------------------------------- -# 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. -# -# ------------------------------------------------------------------------- -# - -""" -This application generates conductor API calls using the information received from SO and Policy platform. -""" - -import json -import time - -from jinja2 import Template -from requests import RequestException - -from osdf.logging.osdf_logging import debug_log -from osdf.optimizers.placementopt.conductor.api_builder import conductor_api_builder -from osdf.utils.interfaces import RestClient -from osdf.operation.exceptions import BusinessException - - -def request(req_object, osdf_config, grouped_policies, prov_status): - """ - Process a placement request from a Client (build Conductor API call, make the call, return result) - :param req_object: Request parameters from the client - :param osdf_config: Configuration specific to SNIRO application (core + deployment) - :param grouped_policies: policies related to placement (fetched based on request, and grouped by policy type) - :param prov_status: provStatus retrieved from Subscriber policy - :return: response from Conductor (accounting for redirects from Conductor service - """ - config = osdf_config.deployment - local_config = osdf_config.core - uid, passwd = config['conductorUsername'], config['conductorPassword'] - conductor_url = config['conductorUrl'] - req_id = req_object['requestInfo']['requestId'] - transaction_id = req_object['requestInfo']['transactionId'] - headers = dict(transaction_id=transaction_id) - - max_retries = config.get('conductorMaxRetries', 30) - ping_wait_time = config.get('conductorPingWaitTime', 60) - - rc = RestClient(userid=uid, passwd=passwd, method="GET", log_func=debug_log.debug, headers=headers) - conductor_req_json_str = conductor_api_builder(req_object, grouped_policies, local_config, prov_status) - conductor_req_json = json.loads(conductor_req_json_str) - - debug_log.debug("Sending first Conductor request for request_id {}".format(req_id)) - resp, raw_resp = initial_request_to_conductor(rc, conductor_url, conductor_req_json) - # Very crude way of keeping track of time. - # We are not counting initial request time, first call back, or time for HTTP request - total_time, ctr = 0, 2 - client_timeout = req_object['requestInfo']['timeout'] - configured_timeout = max_retries * ping_wait_time - max_timeout = min(client_timeout, configured_timeout) - - while True: # keep requesting conductor till we get a result or we run out of time - if resp is not None: - if resp["plans"][0].get("status") in ["error"]: - raise RequestException(response=raw_resp, request=raw_resp.request) - - if resp["plans"][0].get("status") in ["done", "not found"]: - if resp["plans"][0].get("recommendations"): - return conductor_response_processor(resp, raw_resp, req_id) - else: # "solved" but no solutions found - return conductor_no_solution_processor(resp, raw_resp, req_id) - new_url = resp['plans'][0]['links'][0][0]['href'] # TODO: check why a list of lists - - if total_time >= max_timeout: - raise BusinessException("Conductor could not provide a solution within {} seconds, this transaction is timing out".format(max_timeout)) - time.sleep(ping_wait_time) - ctr += 1 - debug_log.debug("Attempt number {} url {}; prior status={}".format(ctr, new_url, resp['plans'][0]['status'])) - total_time += ping_wait_time - - try: - raw_resp = rc.request(new_url, raw_response=True) - resp = raw_resp.json() - except RequestException as e: - debug_log.debug("Conductor attempt {} for request_id {} has failed because {}".format(ctr, req_id, str(e))) - - -def initial_request_to_conductor(rc, conductor_url, conductor_req_json): - """First steps in the request-redirect chain in making a call to Conductor - :param rc: REST client object for calling conductor - :param conductor_url: conductor's base URL to submit a placement request - :param conductor_req_json: request json object to send to Conductor - :return: URL to check for follow up (similar to redirects); we keep checking these till we get a result/error - """ - debug_log.debug("Payload to Conductor: {}".format(json.dumps(conductor_req_json))) - raw_resp = rc.request(url=conductor_url, raw_response=True, method="POST", json=conductor_req_json) - resp = raw_resp.json() - if resp["status"] != "template": - raise RequestException(response=raw_resp, request=raw_resp.request) - time.sleep(10) # 10 seconds wait time to avoid being too quick! - plan_url = resp["links"][0][0]["href"] - debug_log.debug("Attemping to read the plan from the conductor provided url {}".format(plan_url)) - raw_resp = rc.request(raw_response=True, url=plan_url) # TODO: check why a list of lists for links - resp = raw_resp.json() - - if resp["plans"][0]["status"] in ["error"]: - raise RequestException(response=raw_resp, request=raw_resp.request) - return resp, raw_resp # now the caller of this will handle further follow-ups - - -def conductor_response_processor(conductor_response, raw_response, req_id): - """Build a response object to be sent to client's callback URL from Conductor's response - This includes Conductor's placement optimization response, and required ASDC license artifacts - - :param conductor_response: JSON response from Conductor - :param raw_response: Raw HTTP response corresponding to above - :param req_id: Id of a request - :return: JSON object that can be sent to the client's callback URL - """ - composite_solutions = [] - name_map = {"physical-location-id": "cloudClli", "host_id": "vnfHostName", - "cloud_version": "cloudVersion", "cloud_owner": "cloudOwner"} - for reco in conductor_response['plans'][0]['recommendations']: - for resource in reco.keys(): - c = reco[resource]['candidate'] - solution = { - 'resourceModuleName': resource, - 'serviceResourceId': reco[resource]['service_resource_id'], - 'inventoryType': c['inventory_type'], - 'serviceInstanceId': c['candidate_id'] if c['inventory_type'] == "service" else "", - 'cloudRegionId': c['location_id'], - 'assignmentInfo': [] - } - - for key, value in reco[resource]['attributes'].items(): - try: - solution['assignmentInfo'].append({"variableName": name_map[key], "variableValue": value}) - except KeyError: - debug_log.debug("The key[{}] is not mapped and will not be returned in assignment info".format(key)) - - if c.get('host_id'): - solution['assignmentInfo'].append({'variableName': name_map['host_id'], 'variableValue': c['host_id']}) - composite_solutions.append(solution) - - request_state = conductor_response['plans'][0]['status'] - transaction_id = raw_response.headers.get('transaction_id', "") - status_message = conductor_response.get('plans')[0].get('message', "") - - solution_info = {} - if composite_solutions: - solution_info['placementInfo'] = composite_solutions - - resp = { - "transactionId": transaction_id, - "requestId": req_id, - "requestState": request_state, - "statusMessage": status_message, - "solutionInfo": solution_info - } - return resp - - -def conductor_no_solution_processor(conductor_response, raw_response, request_id, - template_placement_response="templates/plc_opt_response.jsont"): - """Build a response object to be sent to client's callback URL from Conductor's response - This is for case where no solution is found - - :param conductor_response: JSON response from Conductor - :param raw_response: Raw HTTP response corresponding to above - :param request_id: request Id associated with the client request (same as conductor response's "name") - :param template_placement_response: the template for generating response to client (plc_opt_response.jsont) - :return: JSON object that can be sent to the client's callback URL - """ - status_message = conductor_response["plans"][0].get("message") - templ = Template(open(template_placement_response).read()) - return json.loads(templ.render(composite_solutions=[], requestId=request_id, - transactionId=raw_response.headers.get('transaction_id', ""), - statusMessage=status_message, json=json)) - - diff --git a/optimizers/placementopt/conductor/remote_opt_processor.py b/optimizers/placementopt/conductor/remote_opt_processor.py deleted file mode 100644 index f753a70..0000000 --- a/optimizers/placementopt/conductor/remote_opt_processor.py +++ /dev/null @@ -1,79 +0,0 @@ -# ------------------------------------------------------------------------- -# 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 requests import RequestException - -import traceback -from osdf.operation.error_handling import build_json_error_body -from osdf.logging.osdf_logging import metrics_log, MH, error_log -from osdf.optimizers.placementopt.conductor import conductor -from osdf.optimizers.licenseopt.simple_license_allocation import license_optim -from osdf.utils.interfaces import get_rest_client - - -def process_placement_opt(request_json, policies, osdf_config, prov_status): - """Perform the work for placement optimization (e.g. call SDC artifact and make conductor request) - NOTE: there is scope to make the requests to policy asynchronous to speed up overall performance - :param request_json: json content from original request - :param policies: flattened policies corresponding to this request - :param osdf_config: configuration specific to OSDF app - :param prov_status: provStatus retrieved from Subscriber policy - :return: None, but make a POST to callback URL - """ - - try: - rc = get_rest_client(request_json, service="so") - req_id = request_json["requestInfo"]["requestId"] - transaction_id = request_json['requestInfo']['transactionId'] - - metrics_log.info(MH.inside_worker_thread(req_id)) - license_info = None - if 'licenseDemand' in request_json['placementInfo']['demandInfo']: - license_info = license_optim(request_json) - - # Conductor only handles placement, only call Conductor if placementDemands exist - if 'placementDemand' in request_json['placementInfo']['demandInfo']: - metrics_log.info(MH.requesting("placement/conductor", req_id)) - placement_response = conductor.request(request_json, osdf_config, policies, prov_status) - if license_info: # Attach license solution if it exists - placement_response['solutionInfo']['licenseInfo'] = license_info - else: # License selection only scenario - placement_response = { - "transactionId": transaction_id, - "requestId": req_id, - "requestState": "complete", - "statusMessage": "License selection completed successfully", - "solutionInfo": {"licenseInfo": license_info} - } - except Exception as err: - error_log.error("Error for {} {}".format(req_id, traceback.format_exc())) - - try: - body = build_json_error_body(err) - metrics_log.info(MH.sending_response(req_id, "ERROR")) - rc.request(json=body, noresponse=True) - except RequestException: - error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc())) - return - - try: - metrics_log.info(MH.calling_back_with_body(req_id, rc.url,placement_response)) - rc.request(json=placement_response, noresponse=True) - except RequestException : # can't do much here but log it and move on - error_log.error("Error sending asynchronous notification for {} {}".format(req_id, traceback.format_exc())) - diff --git a/optimizers/placementopt/conductor/translation.py b/optimizers/placementopt/conductor/translation.py deleted file mode 100644 index 036398a..0000000 --- a/optimizers/placementopt/conductor/translation.py +++ /dev/null @@ -1,215 +0,0 @@ -# ------------------------------------------------------------------------- -# 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 json -from osdf.utils.data_conversion import text_to_symbol -from osdf.utils import data_mapping - -def gen_optimization_policy(vnf_list, optimization_policy): - """Generate optimization policy details to pass to Conductor - :param vnf_list: List of vnf's to used in placement request - :param optimization_policy: optimization policy information provided in the incoming request - :return: List of optimization policies in a format required by Conductor - """ - optimization_policy_list = [] - for policy in optimization_policy: - content = policy['content'] - parameter_list = [] - - for attr in content['objectiveParameter']['parameterAttributes']: - parameter = attr['parameter'] if attr['parameter'] == "cloud_version" else attr['parameter']+"_between" - for res in attr['resource']: - vnf = get_matching_vnf(res, vnf_list) - value = [vnf] if attr['parameter'] == "cloud_version" else [attr['customerLocationInfo'], vnf] - parameter_list.append({ - attr['operator']: [attr['weight'], {parameter: value}] - }) - - optimization_policy_list.append({ - content['objective']: {content['objectiveParameter']['operator']: parameter_list } - }) - return optimization_policy_list - - -def get_matching_vnf(resource, vnf_list): - - for vnf in vnf_list: - if resource in vnf: - return vnf - return resource - - -def get_matching_vnfs(resources, vnf_list, match_type="intersection"): - """Get a list of matching VNFs from the list of resources - :param resources: - :param vnf_list: List of vnf's to used in placement request - :param match_type: "intersection" or "all" or "any" (any => send all_vnfs if there is any intersection) - :return: List of matching VNFs - """ - common_vnfs = [] - for vnf in vnf_list: - for resource in resources: - if resource in vnf: - common_vnfs.append(vnf) - if match_type == "intersection": # specifically requested intersection - return common_vnfs - elif common_vnfs or match_type == "all": # ("any" and common) OR "all" - return resources - return None - - -def gen_policy_instance(vnf_list, resource_policy, match_type="intersection", rtype=None): - """Generate a list of policies - :param vnf_list: List of vnf's to used in placement request - :param resource_policy: policy for this specific resource - :param match_type: How to match the vnf_names with the vnf_list (intersection or "any") - intersection => return intersection; "any" implies return all vnf_names if intersection is not null - :param rtype: resource type (e.g. resourceRegionProperty or resourceInstanceProperty) - None => no controller information added to the policy specification to Conductor - :return: resource policy list in a format required by Conductor - """ - resource_policy_list = [] - related_policies = [] - for policy in resource_policy: - pc = policy['content'] - demands = get_matching_vnfs(pc['resourceInstanceType'], vnf_list, match_type=match_type) - resource = {pc['identity']: {'type': pc['type'], 'demands': demands}} - - if rtype: - resource[pc['identity']]['properties'] = {'controller': pc[rtype]['controller'], - 'request': json.loads(pc[rtype]['request'])} - if demands and len(demands) != 0: - resource_policy_list.append(resource) - related_policies.append(policy) - return resource_policy_list, related_policies - - -def gen_resource_instance_policy(vnf_list, resource_instance_policy): - """Get policies governing resource instances in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, resource_instance_policy, rtype='resourceInstanceProperty') - return cur_policies - - -def gen_resource_region_policy(vnf_list, resource_region_policy): - """Get policies governing resource region in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, resource_region_policy, rtype='resourceRegionProperty') - return cur_policies - - -def gen_inventory_group_policy(vnf_list, inventory_group_policy): - """Get policies governing inventory group in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, inventory_group_policy, rtype=None) - return cur_policies - - -def gen_reservation_policy(vnf_list, reservation_policy): - """Get policies governing resource instances in order to populate the Conductor API call""" - cur_policies, _ = gen_policy_instance(vnf_list, reservation_policy, rtype='instanceReservationProperty') - return cur_policies - - -def gen_distance_to_location_policy(vnf_list, distance_to_location_policy): - """Get policies governing distance-to-location for VNFs in order to populate the Conductor API call""" - cur_policies, related_policies = gen_policy_instance(vnf_list, distance_to_location_policy, rtype=None) - for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy - properties = p_main['content']['distanceToLocationProperty'] - pcp_d = properties['distanceCondition'] - p_new[p_main['content']['identity']]['properties'] = { - 'distance': text_to_symbol[pcp_d['operator']] + " " + pcp_d['value'].lower(), - 'location': properties['locationInfo'] - } - return cur_policies - - -def gen_attribute_policy(vnf_list, attribute_policy): - """Get policies governing attributes of VNFs in order to populate the Conductor API call""" - cur_policies, related_policies = gen_policy_instance(vnf_list, attribute_policy, rtype=None) - for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy - properties = p_main['content']['cloudAttributeProperty'] - p_new[p_main['content']['identity']]['properties'] = { - 'evaluate': { - 'hypervisor': properties.get('hypervisor', ''), - 'cloud_version': properties.get('cloudVersion', ''), - 'cloud_type': properties.get('cloudType', ''), - 'dataplane': properties.get('dataPlane', ''), - 'network_roles': properties.get('networkRoles', ''), - 'complex': properties.get('complex', ''), - 'state': properties.get('state', ''), - 'country': properties.get('country', ''), - 'geo_region': properties.get('geoRegion', ''), - 'exclusivity_groups': properties.get('exclusivityGroups', ''), - 'replication_role': properties.get('replicationRole', '') - } - } - return cur_policies - - -def gen_zone_policy(vnf_list, zone_policy): - """Get zone policies in order to populate the Conductor API call""" - cur_policies, related_policies = gen_policy_instance(vnf_list, zone_policy, rtype=None) - for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy - pmz = p_main['content']['zoneProperty'] - p_new[p_main['content']['identity']]['properties'] = {'category': pmz['category'], 'qualifier': pmz['qualifier']} - return cur_policies - - -def get_demand_properties(demand, policies): - """Get list demand properties objects (named tuples) from policy""" - def _get_candidates(candidate_info): - return [dict(inventory_type=x['candidateType'], candidate_id=x['candidates']) for x in candidate_info] - properties = [] - for policy in policies: - for resourceInstanceType in policy['content']['resourceInstanceType']: - if resourceInstanceType in demand['resourceModuleName']: - for x in policy['content']['property']: - property = dict(inventory_provider=x['inventoryProvider'], - inventory_type=x['inventoryType'], - service_resource_id=demand['serviceResourceId']) - if 'attributes' in x: - attributes = {} - for k,v in x['attributes'].items(): - key=data_mapping.convert(k) - attributes[key] = v - if(key=="model-invariant-id"): - attributes[key]=demand['resourceModelInfo']['modelInvariantId'] - elif(key=="model-version-id"): - attributes[key]=demand['resourceModelInfo']['modelVersionId'] - property.update({"attributes": attributes}) - if x['inventoryType'] == "cloud": - property['region'] = {'get_param': "CHOSEN_REGION"} - if 'exclusionCandidateInfo' in demand: - property['excluded_candidates'] = _get_candidates(demand['exclusionCandidateInfo']) - if 'requiredCandidateInfo' in demand: - property['required_candidates'] = _get_candidates(demand['requiredCandidateInfo']) - properties.append(property) - if len(properties) == 0: - properties.append(dict(customer_id="", service_type="", inventory_provider="", inventory_type="")) - return properties - - -def gen_demands(req_json, vnf_policies): - """Generate list of demands based on request and VNF policies - :param req_json: Request object from the client (e.g. MSO) - :param vnf_policies: Policies associated with demand resources (e.g. from grouped_policies['vnfPolicy']) - :return: list of demand parameters to populate the Conductor API call - """ - demand_dictionary = {} - for placementDemand in req_json['placementDemand']: - demand_dictionary.update({placementDemand['resourceModuleName']: get_demand_properties(placementDemand, vnf_policies)}) - - return demand_dictionary |