配置yum源
yum -y install wget
cd /etc/yum.repos.d/
wget http://mirrors.163.com/.help/CentOS7-Base-163.repo
wget -O /etc/yum.repos.d/epel-7.repo http://mirrors.aliyun.com/repo/epel-7.repo
yum clean all
yum makecache
yum -y install lrzsz
配置prometheus
[root@localhost opt]# dir
prometheus-2.18.1.linux-amd64.tar.gz
[root@localhost opt]# tar -zxvf prometheus-2.18.1.linux-amd64.tar.gz
[root@localhost opt]# cp -r prometheus-2.18.1.linux-amd64 /usr/local/prometheus
[root@jgxxpt-nginx2 prometheus]# cat prometheus.yml
# 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:
- 192.168.145.11:9093
# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
- "rules/*_rules.yml"
- "rules/*_alerts.yml"
# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
static_configs:
- targets: ["localhost:9090"]
- targets: ["localhost:9093"]
- job_name: "node_exporter"
file_sd_configs:
- files: ['/usr/local/prometheus/sd_config/*.yml']
# 每过5秒动态发现服务配置
refresh_interval: 5s
设置systemd服务
[root@localhost ~]# cat /usr/lib/systemd/system/prometheus.service
[Unit]
Description=Prometheus server daemon
After=network.target
[Service]
Type=simple
User=root
Group=root
ExecStart=/usr/local/prometheus/prometheus \
--config.file=/usr/local/prometheus/prometheus.yml \
--storage.tsdb.path="/usr/local/prometheus/data" \
--storage.tsdb.retention=15d \
--web.console.templates="/usr/local/prometheus/consoles" \
--web.console.libraries="/usr/local/prometheus/console_libraries" \
--web.max-connections=512 \
--web.external-url "http://192.168.1.4:9090" \
--web.listen-address=0.0.0.0:9090
Restart=on-failure
[Install]
WantedBy=multi-user.target
参数说明:
ExecStart=/usr/local/prometheus/prometheus #启动运行prometheus程序所在的路径
–config.file=/usr/local/prometheus/prometheus.yml #指定prometheus.yml配置文件路径
–storage.tsdb.path=”/usr/local/prometheus/data” #指定监控指标数据存储的路径
–storage.tsdb.retention=15d #历史数据最大保留时间,默认15天
–web.console.templates=”/usr/local/prometheus/consoles” #指定控制台模板目录路径
–web.console.libraries=”/usr/local/prometheus/console_libraries” #指定控制台库目录路径
–web.max-connections=512 #设置最大同时连接数
–web.external-url “http://192.168.1.4:9090” #用于生产返回prometheus相对的绝对链接地址,可以在后续告警通知内容中直接点击链接地址访问prometheus Web UI。其格式为:http://{ip或者域名}:9090
–web.listen-address=0.0.0.0:9090 #prometheus默认监控端口
systemctl命令介绍:
systemctl daemon-reload #通知systemctl重新加载配置文件
systemctl enable prometheus.service #设置为开机自启动
systemctl disable prometheus.service #如果不想设置为开机启动,可以关闭。关闭开机自启动
systemctl start prometheus.service #开启服务
systemctl status prometheus.service #查看服务状态
systemctl restart prometheus.service #重启服务
systemctl stop prometheus.service #关闭服务