ElasticSearch: Install and configure the Curator

Curator is tool for managing ES indices.
큐레이터는 엘라스틱서치 인덱스 관리 툴이다.

 

Installation and configuration

You need to check your Elasticsearch version compatible with curator version.

운영중인 엘라스틱 서치 버전과 큐레이터 버전을 맞춰 주어야 한다.

 

설치는 pip를 이용하며, 설정 파일은 yml 형식으로 작성한다.

# in the ES master node, ES version 6+
$ pip install -U elasticsearch-curator==5.8.1

# create curator config file
# logging is optional
$ vi ~/.curator/curator.yml
---
client:
  hosts:
    - [ES_IP]
  port: [ES_PORT]
logging:
  loglevel: INFO
  logfile: /[PATH_TO_LOGFILE]/curator.log
  logformat: default

# create curator action yaml file
$ vi delete-old-indices.yml
---

actions:
  1:
    action: delete_indices
    description: >-
      Delete indices older than 1 months (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: age
      source: name
      direction: older
      timestring: '%Y.%m.%d'
      unit: months
      unit_count: 1

CLI execution

# execute curator command (--dry-run: verbose and execute action without changes)
curator --dry-run delete-old-indices.yml