81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
import logging
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import json
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import time
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from datetime import timedelta, datetime
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import features
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from app import app, storage
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from data.database import UseThenDisconnect
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from data.model import db_transaction
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from data.model.log import (get_stale_logs, get_stale_logs_start_id,
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get_stale_logs_cutoff_id, delete_stale_logs)
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from util.registry.gzipwrap import GzipWrap
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from workers.globalworkerbase import GlobalWorker
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logger = logging.getLogger(__name__)
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WORKER_FREQUENCY = 3600 * 6
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STALE_AFTER = timedelta(days=30)
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MIN_LOGS_PER_ROTATION = 10000
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SAVE_PATH = app.config.get('ACTION_LOG_ARCHIVE_PATH')
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SAVE_LOCATION = app.config.get('ACTION_LOG_ARCHIVE_LOCATION')
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class LogRotateWorker(GlobalWorker):
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""" Worker used to rotate old logs out the database and into storage. """
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def __init__(self):
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super(LogRotateWorker, self).__init__(app, sleep_period_seconds=WORKER_FREQUENCY)
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def perform_global_work(self):
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logger.debug('Attempting to rotate log entries')
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while True:
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with UseThenDisconnect(app.config):
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with db_transaction():
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cutoff_date = datetime.now() - STALE_AFTER
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start_id = get_stale_logs_start_id()
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cutoff_id = get_stale_logs_cutoff_id(cutoff_date)
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if start_id is None or cutoff_id is None:
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logger.warning('No logs to be archived.')
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return
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logger.debug('Found starting ID %s and cutoff ID %s', start_id, cutoff_id)
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approx_count = cutoff_id - start_id
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if approx_count < MIN_LOGS_PER_ROTATION:
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logger.debug('Not enough stale logs to warrant rotation (approx %d)', approx_count)
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return
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end_id = start_id + MIN_LOGS_PER_ROTATION
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logs = (pretty_print_in_json(log)
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for log in get_stale_logs(start_id, end_id))
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logger.debug('Archiving logs from IDs %s to %s', start_id, end_id)
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filename = '%s%d-%d.txt.gz' % (SAVE_PATH, start_id, end_id)
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storage.stream_write(SAVE_LOCATION, filename, GzipWrap(logs))
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delete_stale_logs(start_id, end_id)
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def pretty_print_in_json(log):
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""" Pretty prints a LogEntry in JSON. """
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return json.dumps({'kind_id': log.kind_id,
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'account_id': log.account_id,
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'performer_id': log.performer_id,
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'repository_id': log.repository_id,
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'datetime': str(log.datetime),
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'ip': str(log.ip),
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'metadata_json': json.loads(str(log.metadata_json))})
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def main():
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if not features.ACTION_LOG_ROTATION or None in [SAVE_PATH, SAVE_LOCATION]:
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while True:
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time.sleep(100000)
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worker = LogRotateWorker()
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worker.start()
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if __name__ == "__main__":
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main()
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