prometheus安装

2024-09-05记录
安装下载
https://prometheus.io/download
https://www.cnblogs.com/ExMan/p/12567247.html

创建目录
mkdir /usr/local/prometheus

进入目录
cd /usr/local/prometheus

下载
wget https://github.com/prometheus/prometheus/releases/download/v2.53.1/prometheus-2.53.1.linux-amd64.tar.gz

解压
tar -zxf prometheus-2.53.1.linux-amd64.tar.gz

修改配置文件
prometheus.yml

检查配置文件
./promtool check config prometheus.yml

./promtool --help
./prometheus --help

chmod a+x "prometheus"

启动
./prometheus --config.file=./prometheus.yml --web.enable-lifecycle
静默启动
nohup ./prometheus --config.file=./prometheus.yml --web.enable-lifecycle --storage.tsdb.retention.time=20d --web.external-url=http://8.219.198.22:9090 > server_prometheus.log 2>&1 &

查看进程
ps -ef | grep prometheus
kill -9 xxx

查找端口盏用情况
lsof -i :9094
netstat -tulnp | grep :9093

rule
https://samber.github.io/awesome-prometheus-alerts/rules

groups:

• name: exceptionRule
  rules:
  • alert: exceptionAlert
    expr: application_exception{application="userDemo"} < 10
    for: 10s
    labels:
    severity: warning
    team: frontend
    annotations:
    summary: "服务器频繁报错"
    description: "报错的频率达到（当前值：{{ $value }}%）"
• name: ckExceptionRule
  rules:
  • alert: ckExceptionAlert
    expr: sum(increase(bbc_request_timer_ID_seconds_count{}[5m])) by (business_name) > 10
    for: 10s
    labels:
    severity: warning
    app: "gateway"
    annotations:
    summary: "test系统最近5分钟服务异常"
    description: "报错的频率达到（当前值：{{ $value }}）"

检查模版
./promtool check rules first_rules.yml

关闭
ps -ef |grep prometheus |awk '{print $2}'|xargs kill -9
启动
nohup ./prometheus --config.file=./prometheus.yml --web.enable-lifecycle --storage.tsdb.retention.time=20d --web.external-url=http://8.219.198.22:9090 > server_prometheus.log 2>&1 &

重启
curl -X POST http://localhost:9090/-/reload

介绍：counter、timer、Gauge
https://blog.csdn.net/qq_20107237/article/details/125741018
https://blog.csdn.net/qq_34556414/article/details/138495421
https://zhuanlan.zhihu.com/p/675205581