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。
 posted on 2020-07-15 18:59  xibuhaohao  阅读(562)  评论(0编辑  收藏  举报