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authorMD IRSHAD SHEIKH <md.irshad.sheikh@huawei.com>2021-02-18 18:31:25 +0530
committerkrishna moorthy <krishna.moorthy6@wipro.com>2021-02-21 07:19:31 +0000
commitd9a9520bd7efe2f022c0ad3de37b0c4ada4789df (patch)
treefdab8ca4bab6a2457809c212ae920a41fb0d795a /apps/nst/optimizers/nst_select_processor.py
parentbe91a8ed6b2363ff927680a8054d545842a7d8e9 (diff)
Add support to process NST Selection for HAS
Issue-ID: OPTFRA-911 Signed-off-by: MD IRSHAD SHEIKH <md.irshad.sheikh@huawei.com> Change-Id: I809857348b00fe415d416954b1cfbedd404bdffc
Diffstat (limited to 'apps/nst/optimizers/nst_select_processor.py')
-rw-r--r--apps/nst/optimizers/nst_select_processor.py90
1 files changed, 62 insertions, 28 deletions
diff --git a/apps/nst/optimizers/nst_select_processor.py b/apps/nst/optimizers/nst_select_processor.py
index faab999..5b31f73 100644
--- a/apps/nst/optimizers/nst_select_processor.py
+++ b/apps/nst/optimizers/nst_select_processor.py
@@ -18,8 +18,10 @@
"""
This application generates NST SELECTION API calls using the information received from SO
"""
-import json
import os
+from osdf.adapters.conductor import conductor
+from osdf.adapters.policy.interface import get_policies
+from osdf.logging.osdf_logging import debug_log
from osdf.logging.osdf_logging import error_log
from osdf.utils.interfaces import get_rest_client
from requests import RequestException
@@ -38,6 +40,7 @@ class NstSelection(Thread):
self.osdf_config = osdf_config
self.request_json = request_json
self.request_info = self.request_json['requestInfo']
+ self.request_info['numSolutions'] = 1
def run(self):
self.process_nst_selection()
@@ -52,7 +55,6 @@ class NstSelection(Thread):
try:
rest_client = get_rest_client(self.request_json, service='so')
solution = self.get_nst_solution()
- solution = self.get_nst_selection_response(solution)
except Exception as err:
error_log.error("Error for {} {}".format(self.request_info.get('requestId'),
traceback.format_exc()))
@@ -70,32 +72,12 @@ class NstSelection(Thread):
integrated there...
"""
-
- config_input_json = os.path.join(BASE_DIR, 'conf/configIinputs.json')
- with open(config_input_json, 'r') as openfile:
- service_profile = self.request_json["serviceProfile"]
- nst_solution_list = []
- resource_name = "NST"
- nst_object = json.load(openfile)
- for nst in nst_object[resource_name]:
- [(nst_name, nst_list)] = nst.items()
- individual_nst = dict()
- matchall = False
- for constraint_name in service_profile:
- constraint_value = nst_list.get(constraint_name)
- if not constraint_value:
- matchall = False
- break
- else:
- matchall = True
- if matchall:
- individual_nst["NSTName"] = nst_list.get("name")
- individual_nst["UUID"] = nst_list.get("modeluuid")
- individual_nst["invariantUUID"] = nst_list.get("modelinvariantuuid")
- individual_nst["individual_nst"] = 1
- nst_solution_list.append(individual_nst)
-
- return nst_solution_list
+ req_info = self.request_json['requestInfo']
+ requirements = self.request_json['serviceProfile']
+ model_name = "nst"
+ policies = self.get_app_policies(model_name, "nst_selection")
+ conductor_response = self.get_conductor(req_info, requirements, policies, model_name)
+ return conductor_response
def get_nst_selection_response(self, solutions):
"""Get NST selection response from final solution
@@ -119,3 +101,55 @@ class NstSelection(Thread):
'transactionId': self.request_info['transactionId'],
'requestStatus': 'error',
'statusMessage': error_message}
+
+ def get_app_policies(self, model_name, app_name):
+ policy_request_json = self.request_json.copy()
+ policy_request_json['serviceInfo'] = {'serviceName': model_name}
+ debug_log.debug("policy_request_json {}".format(str(policy_request_json)))
+ return get_policies(policy_request_json, app_name) # app_name: nst_selection
+
+ def get_conductor(self, req_info, request_parameters, policies, model_name):
+ demands = [
+ {
+ "resourceModuleName": model_name,
+ "resourceModelInfo": {}
+ }
+ ]
+
+ try:
+ template_fields = {
+ 'location_enabled': False,
+ 'version': '2020-08-13'
+ }
+ resp = conductor.request(req_info, demands, request_parameters, {}, template_fields,
+ self.osdf_config, policies)
+ except RequestException as e:
+ resp = e.response.json()
+ error = resp['plans'][0]['message']
+ if "Unable to find any" in error:
+ return self.get_nst_selection_response([])
+ error_log.error('Error from conductor {}'.format(error))
+ return self.error_response(error)
+ debug_log.debug("Response from conductor in get_conductor method {}".format(str(resp)))
+ recommendations = resp["plans"][0].get("recommendations")
+ return self.process_response(recommendations, model_name)
+
+ def process_response(self, recommendations, model_name):
+ """Process conductor response to form the response for the API request
+
+ :param recommendations: recommendations from conductor
+ :return: response json as a dictionary
+ """
+ if not recommendations:
+ return self.get_nst_selection_response([])
+ solutions = [self.get_solution_from_candidate(rec[model_name]['candidate'])
+ for rec in recommendations]
+ return self.get_nst_selection_response(solutions)
+
+ def get_solution_from_candidate(self, candidate):
+ if candidate['inventory_type'] == 'nst':
+ return {
+ 'UUID': candidate['model_version_id'],
+ 'invariantUUID': candidate['model_invariant_id'],
+ 'NSTName': candidate['name'],
+ }