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"""LivenessController.""" |
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# pylint: disable=invalid-name |
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import os |
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from datetime import datetime |
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from typing import List |
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import pymongo |
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from pymongo.errors import AutoReconnect |
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from pymongo.operations import UpdateOne |
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from tenacity import retry_if_exception_type, stop_after_attempt, wait_random |
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from kytos.core import log |
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from kytos.core.db import Mongo |
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from kytos.core.retry import before_sleep, for_all_methods, retries |
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from ..db.models import LivenessDoc |
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@for_all_methods( |
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retries, |
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stop=stop_after_attempt( |
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int(os.environ.get("MONGO_AUTO_RETRY_STOP_AFTER_ATTEMPT", 3)) |
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), |
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wait=wait_random( |
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min=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MIN", 0.1)), |
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max=int(os.environ.get("MONGO_AUTO_RETRY_WAIT_RANDOM_MAX", 1)), |
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), |
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before_sleep=before_sleep, |
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retry=retry_if_exception_type((AutoReconnect,)), |
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) |
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class LivenessController: |
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"""LivenessController.""" |
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def __init__(self, get_mongo=lambda: Mongo()) -> None: |
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"""LivenessController.""" |
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self.mongo = get_mongo() |
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self.db_client = self.mongo.client |
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self.db = self.db_client[self.mongo.db_name] |
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def bootstrap_indexes(self) -> None: |
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"""Bootstrap all topology related indexes.""" |
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index_tuples = [ |
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("liveness", [("enabled", pymongo.ASCENDING)]), |
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] |
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for collection, keys in index_tuples: |
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if self.mongo.bootstrap_index(collection, keys): |
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log.info( |
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f"Created DB index {keys}, collection: {collection})" |
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) |
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def get_enabled_interfaces(self) -> List[dict]: |
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"""Get enabled liveness interfaces from DB.""" |
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return self.db.liveness.aggregate( |
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[ |
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{"$match": {"enabled": True}}, |
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{"$sort": {"_id": 1}}, |
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{"$project": {"_id": 0}}, |
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] |
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) |
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def upsert_interfaces( |
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self, interface_ids: List[str], interface_dicts: List[dict], upsert=True |
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) -> int: |
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"""Update or insert liveness interfaces.""" |
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utc_now = datetime.utcnow() |
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ops = [] |
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for interface_id, interface_dict in zip(interface_ids, interface_dicts): |
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model = LivenessDoc( |
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**{ |
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**interface_dict, |
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**{"_id": interface_id, "updated_at": utc_now}, |
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} |
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) |
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payload = model.dict(exclude={"inserted_at"}, exclude_none=True) |
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ops.append( |
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UpdateOne( |
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{"_id": interface_id}, |
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{ |
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"$set": payload, |
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"$setOnInsert": {"inserted_at": utc_now}, |
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}, |
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upsert=upsert, |
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) |
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) |
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response = self.db.liveness.bulk_write(ops) |
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return response.upserted_count or response.modified_count |
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def enable_interfaces(self, interface_ids: List[str]) -> int: |
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"""Enable liveness interfaces.""" |
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return self.upsert_interfaces( |
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interface_ids, [{"enabled": True} for _ in interface_ids], upsert=True |
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) |
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def disable_interfaces(self, interface_ids: List[str]) -> int: |
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"""Disable liveness interfaces.""" |
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return self.upsert_interfaces( |
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interface_ids, [{"enabled": False} for _ in interface_ids], upsert=False |
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) |
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kytos-ng /
of_lldp
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