elasticsearch 8 support

[nsano-rururu]

docker images
https://www.docker.elastic.co/r/elasticsearch
https://www.docker.elastic.co/r/kibana

---

• change elasticsearch-js-legacy to elasticsearch-js
  https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/8.0/changelog-client.html
  https://www.npmjs.com/package/elasticsearch

This package has been deprecated
This client is no longer maintained. We strongly advise you to migrate to the new Elasticsearch client.

• Incorporation of corresponding code of elasticsearch 7 of johnsusek/elastalert-server
  Not required. The first priority is to change the library of the first elasticsearch client
• elasticsearch 8 support
  johnsusek / elastalert-server has been fixed for elasticsearch8.

[nsano-rururu]

Elasticsearch 8.0.0 release
https://github.com/elastic/elasticsearch/releases/tag/v8.0.0
elasticsearch-js v8.0.0 release
https://github.com/elastic/elasticsearch-js/releases

[Karql]

Wait for: jertel/elastalert2#92

[nsano-rururu]

Please be aware that you also need to support elastalert2-server.

[nsano-rururu]

Elasticsearch 8.0 を docker-compose で起動する
https://zenn.dev/fujimotoshinji/scraps/4fb4616976ee00

docker-compose.yml で 起動する（security 無効化）
7.x と同じようにユーザー認証も SSL 通信も不要な場合は Security を無効化すればいい

[nsano-rururu]

It was a pre-release version of elasticsearch 8 support for elastalert2.

jertel/elastalert2:pr744
https://hub.docker.com/r/jertel/elastalert2/tags

[nsano-rururu]

Wait for: jertel/elastalert2#92

The issue has been closed.

[nsano-rururu]

The next version of elastalert2 will support Elasticsearch8, but will end support for Elasticsearch6.

[nsano-rururu]

Elastalert 2 2.4.0 for elasticsearch 8 has been released.
https://hub.docker.com/r/jertel/elastalert2/tags