Elasticsearch

Reads GET / for the version.

targets:
  - id: es-main
    product: elasticsearch
    address: https://es.example.com:9200

Authentication

Optional. Since Elasticsearch 8.0, security (HTTPS plus Basic/Bearer/ ApiKey auth) is on by default — an anonymous request gets a 401 advertising all three schemes. Basic auth with the elastic superuser is the one scheme actually exercised and offered here:

credentials:
  es-elastic:
    kind: basic
    username: elastic
    password: "${ES_PASSWORD}"

A cluster started with xpack.security.enabled=false — a real, documented setting — answers the same request anonymously over plain HTTP with an identical body; no credential is required in that case.

Recorded fields

• version — from version.number
• extra.clusterName, extra.luceneVersion, extra.buildHash

Lifecycle resolver

endoflife:elasticsearch.