安装curator
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rpm --import https://packages.elastic.co/GPG-KEY-elasticsearch
vi /etc/yum.repos.d/curator.repo
[curator-5]
name=CentOS/RHEL 6 repository for Elasticsearch Curator 5.x packages
baseurl=https://packages.elastic.co/curator/5/centos/6
gpgcheck=1
gpgkey=https://packages.elastic.co/GPG-KEY-elasticsearch
enabled=1
yum install elasticsearch-curator
action配置文件：只保存7天日志，删除7天前旧的日志。
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cat delete_indices.yml
# Remember, leave a key empty if there is no value. None will be a string,
# not a Python "NoneType"
#
# Also remember that all examples have 'disable_action' set to True. If you
# want to use this action as a template, be sure to set this to False after
# copying it.
actions:
1:
action: delete_indices
description: >-
Delete indices older than 7 days (based on index name), for logstash-
prefixed indices. Ignore the error if the filter does not result in an
actionable list of indices (ignore_empty_list) and exit cleanly.
options:
ignore_empty_list: True
disable_action: False
filters:
- filtertype: pattern
kind: prefix
value: logstash-
exclude: False
- filtertype: age
source: name
direction: older
timestring: '%Y.%m.%d'
unit: days
unit_count: 7
执行命令：curator --config config.yml delete_indices.yml
curator_cli命令行
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查看所有索引：curator_cli --config config.yml show_indices --verbose
