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Prune Elasticsearch indexes N days old - use cron.daily to execute once a day to keep only 90 days of indexes on Elasticsearch
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#!/usr/bin/env bash | |
# | |
# Delete indexes from N days ago | |
# | |
for arg in ${@} ; do case $arg in (-h|-\?) echo "USAGE: [INDEX_PREFIX=[filebeat]] $BASH_SOURCE [DAYS_AGO]" 1>&2 ; exit 255 ;; esac ; done | |
DAYS_AGO=${1:-90} | |
INDEX_PREFIX_DEFAULT="filebeat" | |
case $(uname -m) in | |
(Darwin) YMD=$(date -j -v-${DAYS_AGO}d +%Y.%m.%d) ;; | |
(Linux) YMD=$(date --date="${DAYS_AGO} days ago" +%Y.%m.%d) ;; | |
esac | |
# https://www.elastic.co/guide/en/elasticsearch/reference/current/_delete_an_index.html | |
curl -s -D - --user ${USERNAME}:${PASSWORD} \ | |
-X DELETE https://elasticsearch.example.com/${INDEX_PREFIX:=${INDEX_PREFIX_DEFAULT}}-${YMD} | |
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