1.简介
1.1. 官方网站：
promethos：https://prometheus.io/
grafana：https://grafana.com/
1.2. 架构图
2. 环境
2.1. 机器列表
| 功能与组件 | 机器名 | Public IP | Private IP | Processor Cores | RAM | Storage | 备注 |
| DNS/NTP/Ansible/Prometheus服务器 | HCTJOSINFRA01 | 10.30.2.81 | 172.16.0.81 | ||||
| DNS/NTP/Ansible/Prometheus服务器 | HCTJOSINFRA02 | 10.30.2.82 | 172.16.0.82 |
2.2. 软件版本
promethos：2.1
grafana：5.0
3. 安装与配置
3.1. promethos
下载
https://github.com/prometheus/prometheus/releases/download/v2.1.0/prometheus-2.1.0.linux-amd64.tar.gz
解压
tar zxfv prometheus-2.1.0.linux-amd64.tar.gz -C /opt/prometheus/
直接后台启动
./prometheus --config.file=prometheus.yml &
3.2. exporter
常见exporter
https://prometheus.io/download/
以node_exporter为例监控机器
tar zxvf node_exporter-0.15.2.linux-amd64.tar.gz -C /opt/prometheus_exporters/
默认启动就好
/opt/prometheus_exporters/node_exporter &
修改配置文件/opt/prometheus/prometheus-2.1.0.linux-amd64/prometheus.yml
[root@hctjosinfra01 prometheus-2.1.0.linux-amd64]# grep -E -v "^[[:space:]]*$|^[[:space:]]*#" /opt/prometheus/prometheus-2.1.0.linux-amd64/prometheus.yml
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.
alerting:
alertmanagers:
- static_configs:
- targets:
rule_files:
scrape_configs:
- job_name: 'prometheus'
static_configs:
- targets: ['localhost:9090']
- job_name: 'linux_server'
static_configs:
- targets: ['172.16.0.81:9100']
labels:
instance: linux_server
重启下prometheus-server
3.3. grafana
下载
https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-5.0.0-1.x86_64.rpm
安装
yum install grafana-5.0.0-1.x86_64.rpm
修改配置文件/etc/grafana/grafana.ini
[database]
url = mysql://grafana:grafana@172.16.0.25:3306/grafana
[security]
admin_user = admin
admin_password = admin
可以启动了
systemctl start grafana-server
输入机器IP:3000进入界面，添加数据源Prometheus（都是图形化的，就不赘述了）