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from datetime import datetime |
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2
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import os |
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3
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import re |
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4
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from typing import Dict, Optional |
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5
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import pymongo |
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6
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from pymongo.collection import ReturnDocument |
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7
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from pymongo.errors import AutoReconnect |
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8
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from tenacity import retry_if_exception_type, stop_after_attempt, wait_random |
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9
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from kytos.core import log |
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10
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from kytos.core.db import Mongo |
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11
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from kytos.core.retry import before_sleep, for_all_methods, retries |
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12
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from napps.kytos.mef_eline.db.models import EVCBaseDoc |
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13
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14
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15
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1 |
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@for_all_methods( |
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retries, |
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17
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stop=stop_after_attempt( |
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18
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int(os.environ.get("MONGO_AUTO_RETRY_STOP_AFTER_ATTEMPT", "3")) |
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19
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), |
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20
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wait=wait_random( |
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21
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min=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MIN", "1")), |
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max=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MAX", "1")), |
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23
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), |
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24
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before_sleep=before_sleep, |
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25
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retry=retry_if_exception_type((AutoReconnect,)), |
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26
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) |
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27
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1 |
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class ELineController: |
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28
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"""E-Line Controller""" |
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29
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30
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1 |
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def __init__(self, get_mongo=lambda: Mongo()) -> None: |
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31
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self.mongo = get_mongo() |
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32
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self.db_client = self.mongo.client |
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33
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self.db = self.db_client[self.mongo.db_name] |
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34
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35
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1 |
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def bootstrap_indexes(self) -> None: |
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36
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"""Bootstrap mef_eline relaeted indexes.""" |
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37
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1 |
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index_tuples = [ |
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38
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("evcs", [("circuit_scheduler", pymongo.ASCENDING)]), |
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39
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] |
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40
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1 |
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for collection, keys in index_tuples: |
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41
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if self.mongo.bootstrap_index(collection, keys): |
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42
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log.info( |
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f"Created DB index {keys}, collection: {collection}" |
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44
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) |
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45
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46
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1 |
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def get_circuits(self) -> Dict: |
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47
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"""Get all circuits from database.""" |
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48
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1 |
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circuits = self.db.evcs.aggregate( |
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[ |
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50
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{"$sort": {"_id": 1}}, |
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51
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{"$project": EVCBaseDoc.projection()}, |
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52
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] |
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53
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) |
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54
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return {"circuits": {value["id"]: value for value in circuits}} |
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55
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56
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1 |
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def upsert_evc(self, evc: Dict) -> Optional[Dict]: |
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57
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"""Update or insert an EVC""" |
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58
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1 |
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utc_now = datetime.utcnow() |
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59
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1 |
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model = EVCBaseDoc(**{**evc, **{"_id": evc["id"], "updated_at": utc_now}}) |
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60
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1 |
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updated = self.db.evcs.find_one_and_update( |
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61
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{"_id": evc["id"]}, |
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62
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{ |
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63
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"$set": model.dict(exclude={"inserted_at"}, exclude_none=True), |
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64
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"$setOnInsert": {"inserted_at": utc_now}, |
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65
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}, |
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66
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return_document=ReturnDocument.AFTER, |
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67
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upsert=True, |
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68
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) |
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69
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return updated |
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kytos-ng /
mef_eline
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