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"""MaintenanceController.""" |
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# pylint: disable=invalid-name |
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import os |
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from bson.codec_options import CodecOptions |
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import pymongo |
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from pymongo.errors import AutoReconnect |
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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 napps.kytos.maintenance.models import MaintenanceWindow, MaintenanceID |
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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 MaintenanceController: |
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"""MaintenanceController.""" |
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def __init__(self, get_mongo=lambda: Mongo()) -> None: |
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"""Constructor of MaintenanceController.""" |
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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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self.windows = self.db['maintenance.windows'].with_options( |
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codec_options=CodecOptions( |
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tz_aware=True, |
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) |
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) |
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def bootstrap_indexes(self) -> None: |
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"""Bootstrap all maintenance related indexes.""" |
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index_tuples = [ |
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("maintenance.windows", [("id", 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 add_window(self, window: MaintenanceWindow): |
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self.windows.insert_one(window.dict()) |
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def get_window(self, mw_id: MaintenanceID) -> MaintenanceWindow: |
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window = self.windows.find_one( |
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{'id': mw_id}, |
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projection = {'_id': False} |
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) |
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if window is not None: |
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window = MaintenanceWindow.construct(**window) |
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return window |
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def udpate_window(self, window: MaintenanceWindow): |
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self.windows.update_one( |
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{'id': window.id}, |
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{'$set': window.dict()} |
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) |
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def get_windows(self) -> list[MaintenanceWindow]: |
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windows = self.windows.find(projection={'_id': False}) |
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return list(windows) |
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def remove_window(self, mw_id: MaintenanceID): |
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self.windows.delete_one({'id': mw_id}) |
kytos-ng /
maintenance
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