mirror of
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5f63b3a7bb
* chore: drop deprecated tables and remove unused code * isort imports * migration: check for table existence before drop
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
import logging
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from datetime import datetime, timedelta
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from prometheus_client import Counter
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from app import app, instance_keys
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from workers.gunicorn_worker import GunicornWorker
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from workers.servicekeyworker.models_pre_oci import pre_oci_model as model
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from workers.worker import Worker
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logger = logging.getLogger(__name__)
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instance_key_renewal_self = Counter(
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"quay_instance_key_renewal_self_total",
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"number of times a Quay instance renews its own key",
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labelnames=["success"],
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)
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class ServiceKeyWorker(Worker):
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def __init__(self):
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super(ServiceKeyWorker, self).__init__()
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self.add_operation(
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self._refresh_service_key, app.config.get("INSTANCE_SERVICE_KEY_REFRESH", 60) * 60
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)
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def _refresh_service_key(self):
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"""
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Refreshes the instance's active service key so it doesn't get garbage collected.
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"""
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expiration_time = timedelta(minutes=instance_keys.service_key_expiration)
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new_expiration = datetime.utcnow() + expiration_time
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logger.debug(
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"Starting automatic refresh of service key %s to new expiration %s",
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instance_keys.local_key_id,
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new_expiration,
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)
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try:
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model.set_key_expiration(instance_keys.local_key_id, new_expiration)
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except Exception as ex:
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logger.exception(
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"Failure for automatic refresh of service key %s with new expiration %s",
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instance_keys.local_key_id,
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new_expiration,
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)
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instance_key_renewal_self.labels(False).inc()
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raise ex
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logger.debug(
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"Finished automatic refresh of service key %s with new expiration %s",
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instance_keys.local_key_id,
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new_expiration,
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)
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instance_key_renewal_self.labels(True).inc()
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def create_gunicorn_worker():
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"""
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follows the gunicorn application factory pattern, enabling
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a quay worker to run as a gunicorn worker thread.
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this is useful when utilizing gunicorn's hot reload in local dev.
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utilizing this method will enforce a 1:1 quay worker to gunicorn worker ratio.
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"""
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worker = GunicornWorker(__name__, app, ServiceKeyWorker(), True)
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return worker
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if __name__ == "__main__":
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worker = ServiceKeyWorker()
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worker.start()
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