Prommetheus 插件监控 ES

转载自：https://blog.csdn.net/u010453363/article/details/76689435/

用prometheus主要是监控elk中的elasticsearch和logstash

prometheus的clicent收集数据，并提供http服务，由prometheus server主动pull数据。

 

1.1 elasticsearch数据由es插件

实现: https://github.com/vvanholl/elasticsearch-prometheus-exporter

 

1.1.1 插件下载

目前试用的是es5.4，https://github.com/vvanholl/elasticsearch-prometheus-exporter/releases 下载对应版本的插件

 

1.1.2 安装插件

sh ./bin/elasticsearch-plugin install file:///home/elk/elasticsearch-prometheus-exporter-5.4.0.0.zip ，重启es。

默认指标目录：http://192.168.x.x:9200/_prometheus/metrics
http://192.168.x.x:9200/_prometheus/metrics能够看到es的prometheus指标，说明插件安装成功。

 

1.2配置prometheus server 来pull es数据

# my global config
global:
  scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s).

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
      monitor: 'codelab-monitor'

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  # - "first.rules"
  # - "second.rules"
  #  - "prometheus.rules"
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # es motitor
  - job_name: elasticsearch
    scrape_interval: 10s
    metrics_path: "/_prometheus/metrics"
    static_configs:
      - targets: ['192.168.x.x:9200']

 

ps:es指标的路径必须为/_prometheus/metrics ，否则prometheus server拉取不到es的指标数据。

到此 prometheus能够正常展示es指标。