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.. _examples:
Examples
========
Each of these examples presupposes that the requisite modules have been imported
and an instance of the Elasticsearch client object has been created:
::
import elasticsearch
import curator
client = elasticsearch.Elasticsearch()
Filter indices by prefix
++++++++++++++++++++++++
::
ilo = curator.IndexList(client)
ilo.filter_by_regex(kind='prefix', value='logstash-')
The contents of `ilo.indices` would then only be indices matching the `prefix`.
Filter indices by suffix
++++++++++++++++++++++++
::
ilo = curator.IndexList(client)
ilo.filter_by_regex(kind='suffix', value='-prod')
The contents of `ilo.indices` would then only be indices matching the `suffix`.
Filter indices by age (name)
++++++++++++++++++++++++++++
This example will match indices with the following criteria:
* Have a date string of ``%Y.%m.%d``
* Use `days` as the unit of time measurement
* Filter indices `older` than 5 `days`
::
ilo = curator.IndexList(client)
ilo.filter_by_age(source='name', direction='older', timestring='%Y.%m.%d',
unit='days', unit_count=5
)
The contents of `ilo.indices` would then only be indices matching these
criteria.
Filter indices by age (creation_date)
+++++++++++++++++++++++++++++++++++++
This example will match indices with the following criteria:
* Use `months` as the unit of time measurement
* Filter indices where the index creation date is `older` than 2 `months` from
this moment.
::
ilo = curator.IndexList(client)
ilo.filter_by_age(source='creation_date', direction='older',
unit='months', unit_count=2
)
The contents of `ilo.indices` would then only be indices matching these
criteria.
Filter indices by age (field_stats)
+++++++++++++++++++++++++++++++++++
This example will match indices with the following criteria:
* Use `days` as the unit of time measurement
* Filter indices where the `timestamp` field's `min_value` is a date `older`
than 3 `weeks` from this moment.
::
ilo = curator.IndexList(client)
ilo.filter_by_age(source='field_stats', direction='older',
unit='weeks', unit_count=3, field='timestamp', stats_result='min_value'
)
The contents of `ilo.indices` would then only be indices matching these
criteria.
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