Grafana+Prometheus+node_exporter性能监控

一、安装：node_exporter

下载地址：https://github.com/prometheus/node_exporter/releases

找到对应的版本进行下载，后解压并运行

tar -xvf node_exporter-0.17.0.linux-amd64.tar.gz
#进入目录后运行
sudo ./node_exporter

在浏览器中输入:http://IP:9100 能看到数据即可

二、下载：Prometheus

下载链接：https://prometheus.io/download/

下载后解压编辑配置文件sudo vim prometheus.yml，在scrape_configs栏添加如下配置：

- job_name: "node"
    static_configs:
    - targets: ["localhost:9100"]

完整版的：

注意：yml文件格式每列要对齐

#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).
#Alertmanager configuration
alerting:
  alertmanagers:
  - static_configs:
    - targets:
#- alertmanager:9093
#Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
#- "first_rules.yml"
#- "second_rules.yml"
#A scrape configuration containing exactly one endpoint to scrape:
#Here it's Prometheus itself.
scrape_configs:
#The job name is added as a label `job=` to any timeseries scraped from this config.
  - job_name: 'prometheus'
#metrics_path defaults to '/metrics'
#scheme defaults to 'http'.
    static_configs:
    - targets: ['localhost:9090']
  - job_name: "node"
    static_configs:
    - targets: ["localhost:9100"]

在文件夹内启动：

sudo ./prometheus

启动后在浏览器中访问：http://IP:9090即可

三、在Grafana配置信息

1、配置数据链接信息

2、导入模板

模板文件：

http://note.youdao.com/noteshare?id=b845370d4f3bd38a00308237a3c5e681&sub=E31BB6AA234F42628DDF58EA70498937

此模板需要安装插件，安装后重启就行了：

grafana-cli plugins install grafana-piechart-panel

3、再查看

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