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常用 Exporter 部署

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常用 Exporter 部署​

Node-exporter 部署​

# 下载安装包
wget https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz

# 进入程序目录
tar xf node_exporter-1.1.2.linux-amd64.tar.gz
mv node_exporter-1.1.2.linux-amd64 node_exporter-1.1.2
cd node_exporter-1.1.2

# 放入后台启动
nohup ./node_exporter  &
Prometheus 配置修改​
  - job_name: 'node-exporter'
    static_configs:
    - targets: ['localhost:9100','192.168.2.90:9100','192.168.2.164:9100']
Grafana 配置图标​
https://grafana.com/grafana/dashboards/8919

![node-exporter](/img/Prometheus 常用 Exporter 部署/node-exporter.png)

Mysql-exporter 部署​

宿主机 mysql-client 下载

# 由于不想在mysql容器中安装exporter，所以在宿主机安装 mysql client
yum install mysql-community-client.x86_64 -y

# 出现报错：
Public key for mysql-community-client-5.7.39-1.el7.x86_64.rpm is not installed
 Failing package is: mysql-community-client-5.7.39-1.el7.x86_64
 GPG Keys are configured as: file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

# Mysql的GPG升级了，需要重新获取
rpm --import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022
yum install mysql-community-client.x86_64 -y
下载 Mysql_export​
wget https://github.com/prometheus/mysqld_exporter/releases/download/v0.12.1/mysqld_exporter-0.12.1.linux-amd64.tar.gz

tar -zxvf mysqld_exporter-0.12.1.linux-amd64.tar.gz
mv mysqld_exporter-0.12.1.linux-amd64 mysqld_exporter-0.12.1
# 现在有更新版本了，没有验证是否支持 mysql8.0，只验证了5.7
创建连接数据库的配置文件​
cd mysqld_exporter-0.12.1

vim my.cnf

[client]
host=192.168.2.90
port=3306
user=root
password=obcijV6j5BjvLLB8gJZpUC6aho
启动服务​
./mysqld_exporter --config.my-cnf="./my.cnf"

# 验证：-》浏览器
ip：9104
Prometheus 配置修改​
  - job_name: 'mysql-exporter'
    static_configs:
    - targets: ['192.168.2.90:9104']
    
# 重启 Prometheus，加载配置
grafana 配置图表​
地址: https://grafana.com/grafana/dashboards/11323

Redis_exporter 部署​

https://github.com/oliver006/redis_exporter/releases/download/v1.43.1/redis_exporter-v1.43.1.linux-amd64.tar.gz

tar xf redis_exporter-v1.43.1.linux-amd64.tar.gz
mv redis_exporter-v1.43.1.linux-amd64 redis_exporter
cd redis_exporter
配置启动脚本​
[root@csm redis_exporter]# cat start.sh

#!/bin/bash
nohup ./redis_exporter -redis.addr 192.168.2.90:6379  & 
# -redis.password "ft7fc0sCnuImNY47OtFErVwRLIM=" &

# 启动
sh start.sh
Prometheus 配置修改​
  - job_name: 'redis-exporter'
    static_configs:
      - targets:
        - redis://154.39.148.118:6379
    metrics_path: /metrics
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: 154.39.148.118:9121
Grafana​
# 地址： https://github.com/oliver006/redis_exporter
# grafana_prometheus_redis_dashboard.json：
https://github.com/oliver006/redis_exporter/blob/master/contrib/grafana_prometheus_redis_dashboard.json

Rabbitmq 部署​

wget https://github.com/kbudde/rabbitmq_exporter/releases/download/v1.0.0-RC19/rabbitmq_exporter_1.0.0-RC19_linux_amd64.tar.gz

tar xf rabbitmq_exporter_1.0.0-RC19_linux_amd64.tar.gz
mv rabbitmq_exporter_1.0.0-RC19_linux_amd64 rabbitmq_exporter_1.0.0
cd rabbitmq_exporter_1.0.0
启动 export​
RABBIT_USER=root RABBIT_PASSWORD=123456 OUTPUT_FORMAT=JSON  RABBIT_URL=http://192.168.2.90:15672 ./rabbitmq_exporter & 

exit
Prometheus 配置添加​
  - job_name: 'rabbitmq-exporter'
    static_configs:
    - targets: ['192.168.2.90:9419']
Grafana​
# 单节点的要用这个ID
4371