52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
# Copyright 2017 Internap.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_log import log as logging
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from almanach.collector.filters import base_filter
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from almanach.core.helpers import date_helper
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LOG = logging.getLogger(__name__)
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class DeleteInstanceBeforeCompletionFilter(base_filter.BaseFilter):
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def __init__(self, config):
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self.config = config
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def ignore_notification(self, notification):
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delta = self.config.entities.instance_existence_threshold
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if self._has_been_retried(notification) \
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and self._is_instance_deleted(notification) \
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and self._was_never_created_successfully(notification, delta):
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LOG.info('Instance %s was never created successfully during %d seconds',
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notification.payload.get('instance_id'),
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delta)
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return True
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return False
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@staticmethod
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def _is_instance_deleted(notification):
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return notification.payload.get('state') == 'deleted'
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def _has_been_retried(self, notification):
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return notification.get_retry_counter() >= self.config.collector.min_retries
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@staticmethod
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def _was_never_created_successfully(notification, delta):
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creation_date = date_helper.DateHelper().parse(notification.payload.get('created_at'))
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deletion_date = date_helper.DateHelper().parse(notification.payload.get('deleted_at'))
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return date_helper.DateHelper().is_within_range(creation_date, deletion_date, delta)
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