| 1 |  |  | """ELineController.""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | # pylint: disable=unnecessary-lambda,invalid-name | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 | 1 |  | import os | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 | 1 |  | from datetime import datetime | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 | 1 |  | from typing import Dict, Optional | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 | 1 |  | import pymongo | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 | 1 |  | from pymongo.collection import ReturnDocument | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 | 1 |  | from pymongo.errors import AutoReconnect | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 | 1 |  | from pymongo.operations import UpdateOne | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 | 1 |  | from tenacity import retry_if_exception_type, stop_after_attempt, wait_random | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 | 1 |  | from kytos.core import log | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 | 1 |  | from kytos.core.db import Mongo | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 | 1 |  | from kytos.core.retry import before_sleep, for_all_methods, retries | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 | 1 |  | from napps.kytos.mef_eline.db.models import EVCBaseDoc, EVCUpdateDoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 | 1 |  | @for_all_methods( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     retries, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     stop=stop_after_attempt( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |         int(os.environ.get("MONGO_AUTO_RETRY_STOP_AFTER_ATTEMPT", "3")) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     ), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     wait=wait_random( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |         min=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MIN", "1")), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         max=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MAX", "1")), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     ), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     before_sleep=before_sleep, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |     retry=retry_if_exception_type((AutoReconnect,)), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 | 1 |  | class ELineController: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     """E-Line Controller""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 | 1 |  |     def __init__(self, get_mongo=lambda: Mongo()) -> None: | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 | 1 |  |         self.mongo = get_mongo() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 | 1 |  |         self.db_client = self.mongo.client | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 | 1 |  |         self.db = self.db_client[self.mongo.db_name] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 | 1 |  |     def bootstrap_indexes(self) -> None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         """Bootstrap mef_eline relaeted indexes.""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 | 1 |  |         index_tuples = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |             ("evcs", [("circuit_scheduler.id", pymongo.ASCENDING)]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             ("evcs", [("archived", pymongo.ASCENDING)]), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         ] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 | 1 |  |         for collection, keys in index_tuples: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 | 1 |  |             if self.mongo.bootstrap_index(collection, keys): | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 | 1 |  |                 log.info( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |                     f"Created DB index {keys}, collection: {collection}" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |                 ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 | 1 |  |     def get_circuits(self, archived: Optional[bool] = False, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |                      metadata: dict = None) -> Dict: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         """Get all circuits from database.""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 | 1 |  |         aggregation = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 | 1 |  |         options = {"null": None, "true": True, "false": False} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 | 1 |  |         match_filters = {"$match": {}} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 | 1 |  |         aggregation.append(match_filters) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 | 1 |  |         if archived is not None: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 | 1 |  |             archived = options.get(archived, False) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 | 1 |  |             match_filters["$match"]["archived"] = archived | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 | 1 |  |         if metadata: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 | 1 |  |             for key in metadata: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 | 1 |  |                 if "metadata." in key[:9]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 | 1 |  |                     try: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 | 1 |  |                         match_filters["$match"][key] = int(metadata[key]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |                     except ValueError: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |                         item = metadata[key] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |                         item = options.get(item.lower(), item) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |                         match_filters["$match"][key] = item | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 | 1 |  |         aggregation.extend([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |                 {"$sort": {"_id": 1}}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |                 {"$project": EVCBaseDoc.projection()}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             ] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 | 1 |  |         circuits = self.db.evcs.aggregate(aggregation) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 | 1 |  |         return {"circuits": {value["id"]: value for value in circuits}} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 | 1 |  |     def get_circuit(self, circuit_id: str) -> Optional[Dict]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         """Get a circuit.""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |         return self.db.evcs.find_one({"_id": circuit_id}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |                                      EVCBaseDoc.projection()) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 | 1 |  |     def upsert_evc(self, evc: Dict) -> Optional[Dict]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         """Update or insert an EVC""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 | 1 |  |         utc_now = datetime.utcnow() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 | 1 |  |         model = EVCBaseDoc( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |             **{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |                 **evc, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |                 **{"_id": evc["id"]} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         ).dict(exclude={"inserted_at"}, exclude_none=True) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 | 1 |  |         model.setdefault("queue_id", None) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 | 1 |  |         updated = self.db.evcs.find_one_and_update( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |             {"_id": evc["id"]}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |             { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |                 "$set": model, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |                 "$setOnInsert": {"inserted_at": utc_now}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             }, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |             return_document=ReturnDocument.AFTER, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |             upsert=True, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 | 1 |  |         return updated | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 | 1 |  |     def update_evc(self, evc: Dict) -> Optional[Dict]: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |         """Update an EVC. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |         This is needed to correctly set None values to fields""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |         # Check for errors in fields only. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         EVCUpdateDoc( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |             **{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |                 **evc, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |                 **{"_id": evc["id"]} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         updated = self.db.evcs.find_one_and_update( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |             {"_id": evc["id"]}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |             { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |                 "$set": evc, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |             }, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |             return_document=ReturnDocument.AFTER, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |         ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |         return updated | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 | 1 |  |     def update_evcs(self, evcs: list[dict]) -> int: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |         """Update EVCs and return the number of modified documents.""" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 | 1 |  |         if not evcs: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |             return 0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 | 1 |  |         ops = [] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 | 1 |  |         utc_now = datetime.utcnow() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 | 1 |  |         for evc in evcs: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 | 1 |  |             evc["updated_at"] = utc_now | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 | 1 |  |             model = EVCBaseDoc( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  |                 **{ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  |                     **evc, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  |                     **{"_id": evc["id"]} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |                 } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |             ).dict(exclude_none=True) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 | 1 |  |             ops.append( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |                 UpdateOne( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |                     {"_id": evc["id"]}, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |                     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |                         "$set": model, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |                         "$setOnInsert": {"inserted_at": utc_now} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |                     }, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |                 ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |             ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 | 1 |  |         return self.db.evcs.bulk_write(ops).modified_count | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 150 |  |  |  | 
            
                                                        
            
                                    
            
            
                | 151 | 1 |  |     def update_evcs_metadata( | 
            
                                                        
            
                                    
            
            
                | 152 |  |  |         self, circuit_ids: list, metadata: dict, action: str | 
            
                                                        
            
                                    
            
            
                | 153 |  |  |     ): | 
            
                                                        
            
                                    
            
            
                | 154 |  |  |         """Bulk update EVCs metadata.""" | 
            
                                                        
            
                                    
            
            
                | 155 | 1 |  |         utc_now = datetime.utcnow() | 
            
                                                        
            
                                    
            
            
                | 156 | 1 |  |         metadata = {f"metadata.{k}": v for k, v in metadata.items()} | 
            
                                                        
            
                                    
            
            
                | 157 | 1 |  |         if action == "add": | 
            
                                                        
            
                                    
            
            
                | 158 | 1 |  |             payload = {"$set": metadata} | 
            
                                                        
            
                                    
            
            
                | 159 |  |  |         elif action == "del": | 
            
                                                        
            
                                    
            
            
                | 160 |  |  |             payload = {"$unset": metadata} | 
            
                                                        
            
                                    
            
            
                | 161 | 1 |  |         ops = [] | 
            
                                                        
            
                                    
            
            
                | 162 | 1 |  |         for _id in circuit_ids: | 
            
                                                        
            
                                    
            
            
                | 163 | 1 |  |             ops.append( | 
            
                                                        
            
                                    
            
            
                | 164 |  |  |                 UpdateOne( | 
            
                                                        
            
                                    
            
            
                | 165 |  |  |                     {"_id": _id}, | 
            
                                                        
            
                                    
            
            
                | 166 |  |  |                     { | 
            
                                                        
            
                                    
            
            
                | 167 |  |  |                         **payload, | 
                            
                    |  |  |  | 
                                                                                        
                                                                                     | 
            
                                                        
            
                                    
            
            
                | 168 |  |  |                         "$setOnInsert": {"inserted_at": utc_now} | 
            
                                                        
            
                                    
            
            
                | 169 |  |  |                     }, | 
            
                                                        
            
                                    
            
            
                | 170 |  |  |                     upsert=False, | 
            
                                                        
            
                                    
            
            
                | 171 |  |  |                 ) | 
            
                                                        
            
                                    
            
            
                | 172 |  |  |             ) | 
            
                                                        
            
                                    
            
            
                | 173 |  |  |         return self.db.evcs.bulk_write(ops).modified_count | 
            
                                                        
            
                                    
            
            
                | 174 |  |  |  |