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-rw-r--r--osdf/optimizers/placementopt/conductor/__init__.py17
-rw-r--r--osdf/optimizers/placementopt/conductor/api_builder.py79
-rwxr-xr-xosdf/optimizers/placementopt/conductor/conductor.py202
-rw-r--r--osdf/optimizers/placementopt/conductor/remote_opt_processor.py79
-rw-r--r--osdf/optimizers/placementopt/conductor/translation.py254
5 files changed, 0 insertions, 631 deletions
diff --git a/osdf/optimizers/placementopt/conductor/__init__.py b/osdf/optimizers/placementopt/conductor/__init__.py
deleted file mode 100644
index 4b25e5b..0000000
--- a/osdf/optimizers/placementopt/conductor/__init__.py
+++ /dev/null
@@ -1,17 +0,0 @@
-# -------------------------------------------------------------------------
-# Copyright (c) 2017-2018 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.
-#
-# -------------------------------------------------------------------------
-#
diff --git a/osdf/optimizers/placementopt/conductor/api_builder.py b/osdf/optimizers/placementopt/conductor/api_builder.py
deleted file mode 100644
index e841f48..0000000
--- a/osdf/optimizers/placementopt/conductor/api_builder.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.
-#
-# -------------------------------------------------------------------------
-#
-
-import json
-
-from jinja2 import Template
-
-import osdf.optimizers.placementopt.conductor.translation as tr
-from osdf.adapters.policy.utils import group_policies_gen
-from osdf.utils.programming_utils import list_flatten
-
-
-def conductor_api_builder(request_json, flat_policies: list, local_config,
- template="osdf/templates/conductor_interface.json"):
- """Build an OSDF southbound API call for HAS-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_gen(flat_policies, local_config)
- demand_vnf_name_list = []
-
- for placementDemand in request_json['placementInfo']['placementDemands']:
- demand_vnf_name_list.append(placementDemand['resourceModuleName'].lower())
- demand_list = tr.gen_demands(request_json, 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'])
- capacity_policy_list = tr.gen_capacity_policy(demand_vnf_name_list, gp['vim_fit'])
- hpa_policy_list = tr.gen_hpa_policy(demand_vnf_name_list, gp['hpa'])
- req_params_dict = tr.get_opt_query_data(request_json, gp['optimizationQueryPolicy'])
- conductor_policies = [attribute_policy_list, distance_to_location_policy_list, inventory_policy_list,
- resource_instance_policy_list, resource_region_policy_list, zone_policy_list,
- reservation_policy_list, capacity_policy_list, hpa_policy_list]
- filtered_policies = [x for x in conductor_policies if len(x) > 0]
- policy_groups = list_flatten(filtered_policies)
- req_info = request_json['requestInfo']
- request_type = req_info.get('requestType', None)
- rendered_req = templ.render(
- requestType=request_type,
- 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'],
- service_type=request_json['serviceInfo']['serviceName'],
- service_id=request_json['serviceInfo']['serviceInstanceId'],
- latitude=req_params_dict.get("customerLatitude", 0.0),
- longitude=req_params_dict.get("customerLongitude", 0.0),
- json=json)
- json_payload = json.dumps(json.loads(rendered_req)) # need this because template's JSON is ugly!
- return json_payload
diff --git a/osdf/optimizers/placementopt/conductor/conductor.py b/osdf/optimizers/placementopt/conductor/conductor.py
deleted file mode 100755
index 357efd1..0000000
--- a/osdf/optimizers/placementopt/conductor/conductor.py
+++ /dev/null
@@ -1,202 +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, flat_policies):
- """
- 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 flat_policies: policies related to placement (fetched based on request)
- :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)
- placement_ver_enabled = config.get('placementVersioningEnabled', False)
-
- if placement_ver_enabled:
- cond_minor_version = config.get('conductorMinorVersion', None)
- if cond_minor_version is not None:
- x_minor_version = str(cond_minor_version)
- headers.update({'X-MinorVersion': x_minor_version})
- debug_log.debug("Versions set in HTTP header to conductor: X-MinorVersion: {} ".format(x_minor_version))
-
- 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, flat_policies, local_config)
- 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("Attempting 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",
- "cloud": "cloudRegionId", "service": "serviceInstanceId", "is_rehome": "isRehome",
- "location_id": "locationId", "location_type": "locationType", "directives": "oof_directives"}
- for reco in conductor_response['plans'][0]['recommendations']:
- for resource in reco.keys():
- c = reco[resource]['candidate']
- solution = {
- 'resourceModuleName': resource,
- 'serviceResourceId': reco[resource].get('service_resource_id', ""),
- 'solution': {"identifierType": name_map.get(c['inventory_type'], c['inventory_type']),
- 'identifiers': [c['candidate_id']],
- 'cloudOwner': c.get('cloud_owner', "")},
- 'assignmentInfo': []
- }
- for key, value in c.items():
- if key in ["location_id", "location_type", "is_rehome", "host_id"]:
- try:
- solution['assignmentInfo'].append({"key": name_map.get(key, key), "value": value})
- except KeyError:
- debug_log.debug("The key[{}] is not mapped and will not be returned in assignment info".format(key))
-
- for key, value in reco[resource]['attributes'].items():
- try:
- solution['assignmentInfo'].append({"key": name_map.get(key, key), "value": value})
- except KeyError:
- debug_log.debug("The key[{}] is not mapped and will not be returned in assignment info".format(key))
- composite_solutions.append(solution)
-
- request_status = "completed" if conductor_response['plans'][0]['status'] == "done" \
- else 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.setdefault('placementSolutions', [])
- solution_info['placementSolutions'].append(composite_solutions)
-
- resp = {
- "transactionId": transaction_id,
- "requestId": req_id,
- "requestStatus": request_status,
- "statusMessage": status_message,
- "solutions": 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, license_solutions=[],
- transactionId=raw_response.headers.get('transaction_id', ""),
- requestStatus="completed", statusMessage=status_message, json=json))
-
-
diff --git a/osdf/optimizers/placementopt/conductor/remote_opt_processor.py b/osdf/optimizers/placementopt/conductor/remote_opt_processor.py
deleted file mode 100644
index 614eca3..0000000
--- a/osdf/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):
- """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 request_json.get('licenseInfo', {}).get('licenseDemands'):
- license_info = license_optim(request_json)
-
- # Conductor only handles placement, only call Conductor if placementDemands exist
- if request_json.get('placementInfo', {}).get('placementDemands'):
- metrics_log.info(MH.requesting("placement/conductor", req_id))
- placement_response = conductor.request(request_json, osdf_config, policies)
- 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,
- "requestStatus": "completed",
- "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/osdf/optimizers/placementopt/conductor/translation.py b/osdf/optimizers/placementopt/conductor/translation.py
deleted file mode 100644
index d856a22..0000000
--- a/osdf/optimizers/placementopt/conductor/translation.py
+++ /dev/null
@@ -1,254 +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
-import yaml
-
-from osdf.utils.data_conversion import text_to_symbol
-from osdf.utils.programming_utils import dot_notation
-
-policy_config_mapping = yaml.load(open('config/has_config.yaml')).get('policy_config_mapping')
-
-
-def get_opt_query_data(req_json, policies):
- """
- Fetch service and order specific details from the requestParameters field of a request.
- :param req_json: a request file
- :param policies: A set of policies
- :return: A dictionary with service and order-specific attributes.
- """
- req_param_dict = {}
- if 'requestParameters' in req_json["placementInfo"]:
- req_params = req_json["placementInfo"]["requestParameters"]
- for policy in policies:
- for queryProp in policy['content']['queryProperties']:
- attr_val = queryProp['value'] if 'value' in queryProp and queryProp['value'] != "" \
- else dot_notation(req_params, queryProp['attribute_location'])
- if attr_val is not None:
- req_param_dict.update({queryProp['attribute']: attr_val})
- return req_param_dict
-
-
-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 objective policy information provided in the incoming request
- :return: List of optimization objective policies in a format required by Conductor
- """
- optimization_policy_list = []
- for policy in optimization_policy:
- content = policy['content']
- parameter_list = []
- parameters = ["cloud_version", "hpa_score"]
-
- for attr in content['objectiveParameter']['parameterAttributes']:
- parameter = attr['parameter'] if attr['parameter'] in parameters else attr['parameter']+"_between"
- vnfs = get_matching_vnfs(attr['resources'], vnf_list)
- for vnf in vnfs:
- value = [vnf] if attr['parameter'] in parameters 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_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 vnfs 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
- """
- resources_lcase = [x.lower() for x in resources]
- if match_type == "all": # don't bother with any comparisons
- return resources if set(resources_lcase) <= set(vnf_list) else None
- common_vnfs = set(vnf_list) & set(resources_lcase)
- common_resources = [x for x in resources if x.lower() in common_vnfs]
- if match_type == "intersection": # specifically requested intersection
- return list(common_resources)
- return resources if common_vnfs else None # "any" match => all resources to be returned
-
-
-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['resources'], vnf_list, match_type=match_type)
- resource = {pc['identity']: {'type': pc['policyType'], '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']['distanceProperties']
- pcp_d = properties['distance']
- p_new[p_main['content']['identity']]['properties'] = {
- 'distance': pcp_d['operator'] + " " + pcp_d['value'].lower() + " " + pcp_d['unit'].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']
- attribute_mapping = policy_config_mapping['attributes'] # wanted attributes and mapping
- p_new[p_main['content']['identity']]['properties'] = {
- 'evaluate': dict((k, properties.get(attribute_mapping.get(k))) for k in attribute_mapping.keys())
- }
- return cur_policies # cur_policies gets updated in place...
-
-
-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, match_type="all", rtype=None)
- for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy
- pmz = p_main['content']['affinityProperty']
- p_new[p_main['content']['identity']]['properties'] = {'category': pmz['category'], 'qualifier': pmz['qualifier']}
- return cur_policies
-
-
-def gen_capacity_policy(vnf_list, capacity_policy):
- """Get zone policies in order to populate the Conductor API call"""
- cur_policies, related_policies = gen_policy_instance(vnf_list, capacity_policy, rtype=None)
- for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy
- pmz = p_main['content']['capacityProperty']
- p_new[p_main['content']['identity']]['properties'] = \
- {"controller": pmz['controller'], 'request': json.loads(pmz['request'])}
- return cur_policies
-
-
-def gen_hpa_policy(vnf_list, hpa_policy):
- """Get zone policies in order to populate the Conductor API call"""
- cur_policies, related_policies = gen_policy_instance(vnf_list, hpa_policy, rtype=None)
- for p_new, p_main in zip(cur_policies, related_policies): # add additional fields to each policy
- p_new[p_main['content']['identity']]['properties'] = {'evaluate': p_main['content']['flavorFeatures']}
- return cur_policies
-
-
-def get_augmented_policy_attributes(policy_property, demand):
- """Get policy attributes and augment them using policy_config_mapping and demand information"""
- attributes = copy.copy(policy_property['attributes'])
- remapping = policy_config_mapping['remapping']
- extra = dict((x, demand['resourceModelInfo'][remapping[x]]) for x in attributes if x in remapping)
- attributes.update(extra)
- return attributes
-
-
-def get_candidates_demands(demand):
- """Get demands related to candidates; e.g. excluded/required"""
- res = {}
- for k, v in policy_config_mapping['candidates'].items():
- if k not in demand:
- continue
- res[v] = [{'inventory_type': x['candidateType'], 'candidate_id': x['candidates']} for x in demand[k]]
- return res
-
-
-def get_policy_properties(demand, policies):
- """Get policy_properties for cases where there is a match with the demand"""
- for policy in policies:
- policy_demands = set([x.lower() for x in policy['content'].get('resources', [])])
- if demand['resourceModuleName'].lower() not in policy_demands:
- continue # no match for this policy
- for policy_property in policy['content']['vnfProperties']:
- yield policy_property
-
-
-def get_demand_properties(demand, policies):
- """Get list demand properties objects (named tuples) from policy"""
- demand_properties = []
- for policy_property in get_policy_properties(demand, policies):
- prop = dict(inventory_provider=policy_property['inventoryProvider'],
- inventory_type=policy_property['inventoryType'],
- service_type=demand['serviceResourceId'])
- prop['attributes'] = dict()
- prop['attributes'].update({'global-customer-id': policy_property['customerId']}
- if policy_property['customerId'] else {})
- prop['attributes'].update({'model-invariant-id': demand['resourceModelInfo']['modelInvariantId']}
- if demand['resourceModelInfo']['modelInvariantId'] else {})
- prop['attributes'].update({'model-version-id': demand['resourceModelInfo']['modelVersionId']}
- if demand['resourceModelInfo']['modelVersionId'] else {})
- prop['attributes'].update({'equipment-role': policy_property['equipmentRole']}
- if policy_property['equipmentRole'] else {})
- prop.update(get_candidates_demands(demand))
- demand_properties.append(prop)
- return demand_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 demand in req_json['placementInfo']['placementDemands']:
- prop = get_demand_properties(demand, vnf_policies)
- if len(prop) > 0:
- demand_dictionary.update({demand['resourceModuleName']: prop})
- return demand_dictionary