[toc]

部署prometheus

官网: https://prometheus.io/docs/prometheus/latest/getting_started/

关闭selinux及防火墙

setenforce 0
sed -i 's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
systemctl stop firewalld.service
systemctl disable firewalld.service

下载安装包及部署

# 下载安装包
wget https://github.com/prometheus/prometheus/releases/download/v2.9.2/prometheus-2.9.2.linux-amd64.tar.gz

# 解压安装包
tar zxvf prometheus-2.9.2.linux-amd64.tar.gz 

# 移动到/usr/local/目录
mv prometheus-2.9.2.linux-amd64 /usr/local/prometheus

# 进入prometheus目录
cd /usr/local/prometheus/

# 将prometheus配置为系统服务
cat > /usr/lib/systemd/system/prometheus.service  << EOF 
[Unit]
Description=prometheus

[Service]
Restart=on-failure
ExecStart=/usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml \
--storage.tsdb.path=/data/prometheus \
--web.external-url=http://192.168.1.155:9090 \
--web.max-connections=512 

[Install]
WantedBy=multi-user.target
EOF

# 启动prometheus
mkdir /data/prometheus
systemctl daemon-reload
systemctl start  prometheus
systemctl enable prometheus

# 检查启动端口
ss -nplt|grep 9090
LISTEN    0    128    :::9090    :::*    users:(("prometheus",pid=24513,fd=6))

# 查看进程
ps -ef |grep promethe|grep -v grep
root    24513    1  0 07:18 ?    00:00:00 /usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml --storage.tsdb.path=/data/prometheus --web.external-url=http://0.0.0.0:9090 --web.max-connections=512

访问web界面

http://192.168.1.155:9090/graph

• alerts用于配置报警信息，监控报警规则等
• graph图形，可以写promeQL，用来查询数据
• status
  • runtime information 查看当前基础环境，配置
  • command-line flags 命令行日志
  • configuration 当前prometheus的配置及配置文件
  • rules 角色，用来定义监控指标的告警规则
  • targets 当前已经被监控的对象
  • service discovery 服务发现，可以动态配置监控目标