prometheus 安装

发布时间:2023年12月30日

prometheus 安装

下载
wget https://github.com/prometheus/prometheus/releases/download/v2.45.2/prometheus-2.45.2.linux-amd64.tar.gz
tar -zxvf prometheus-2.45.2.linux-amd64.tar.gz /opt/
创建prometheus用户
?
#创建一个用户
useradd -M -s /usr/sbin/nologin promethues
root@promethues203:~# useradd -M -s /usr/sbin/nologin prometheus
root@promethues203:~# id prometheus
uid=1000(promethues) gid=1000(promethues) groups=1000(prometheus)
root@promethues203:~#?
#授权
root@promethues203:~# chown prometheus:prometheus -R /opt/prometheus-2.45.2.linux-amd64/
创建prometheus.service服务

cat >> /etc/systemd/system/prometheus.service << "EOF"
[Unit]
Description=Promethues Server
Documentation=https://prometheus.io/docs/introduction/overview/
After=network-online.target

[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=on-failure
ExecStart=/opt/prometheus-2.45.2.linux-amd64/prometheus \
? --config.file=/opt/prometheus-2.45.2.linux-amd64/prometheus.yml \
? --storage.tsdb.path=/opt/prometheus-2.45.2.linux-amd64/data \
? --storage.tsdb.retention.time=60d \
? --web.enable-lifecycle

[Install]
WantedBy=multi-user.target
EOF
启动服务
systemctl start prometheus?


#页面显示正常
prometheus:http://10.121.1.203:9090/graph
监控指标:http://10.121.1.203:9090/metrics

安装alertmanager

下载
wget https://github.com/prometheus/alertmanager/releases/download/v0.26.0/alertmanager-0.26.0.linux-amd64.tar.gz
tar -zxvf alertmanager-0.26.0.linux-amd64.tar.gz -C /opt
chown prometheus.prometheus -R /opt/alertmanager-0.26.0.linux-amd64
创建prometheus.service服务
cat >> /etc/systemd/system/alertmanager.service << "EOF"
[Unit]
Description=Alertmanager
After=network-online.target
After=network-online.target

[Service]
Type=simple
User=prometheus
Group=prometheus
ExecStart=/opt/alertmanager-0.26.0.linux-amd64/alertmanager \
? --config.file=/opt/alertmanager-0.26.0.linux-amd64/alertmanager.yml \
? --storage.path=/opt/alertmanager-0.26.0.linux-amd64/data?


Restart=always
[Install]
WantedBy=multi-user.target
EOF

启动服务
systemctl start alertmanager

http://10.121.1.203:9093/

prometheus添加alertmanager

修改配置,把alertmanager 告警加入到prmetheus中

/opt/prometheus-2.45.2.linux-amd64/prometheus.yml
```
alerting:
? alertmanagers:
? ? - static_configs:
? ? ? ? - targets:
? ? ? ? ? # - alertmanager:9093
?? ??? ? ?#增加altermanager的地址
? ? ? ? ? ?- 10.121.1.203:9093
?? ??? ? ??
rule_files:
? # - "first_rules.yml"
? # - "second_rules.yml"
? #增加警告文件名
? ?- "alert.yml"


```
增加触发器配置文件
```
cat > /opt/prometheus-2.45.2.linux-amd64/alert.yml <<"EOF"
groups:
- name: prometheus alert
? rules:
? #对任何实例操过30s无法联系的情况发出警告
? - alert: 服务告警
?? ?expr: up == 0
?? ?for: 30s
?? ?labels:
?? ? ?severity: critical
?? ?annotations:
?? ? ?instance: "{{ $labels.instance }}"
?? ? ?description: "{{ $labels.job }} 服务关闭"
EOF
```
检查

root@promethues203:/opt/prometheus-2.45.2.linux-amd64# ./promtool check config prometheus.yml?
Checking prometheus.yml
? SUCCESS: 1 rule files found
?SUCCESS: prometheus.yml is valid prometheus config file syntax
Checking alert.yml
? SUCCESS: 1 rules found

重启prometheus
systemctl restart prometheus

热重载
curl -X POST http://localhost:9090/-/reload


?


安装grafana

下载安装
https://grafana.com/grafana/download

wget https://dl.grafana.com/enterprise/release/grafana-enterprise-10.2.3.linux-amd64.tar.gz
tar -zxvf grafana-enterprise-10.2.3.linux-amd64.tar.gz -C /opt/
chown prometheus:prometheus -R /opt/grafana-v10.2.3/

创建服务
cat >> /etc/systemd/system/grafana-server.service << "EOF"
[Unit]
Description=Grafana server
Documentation=http://docs.grafana.org


[Service]
Type=simple
User=prometheus
Group=prometheus
Restart=on-failure
ExecStart=/opt/grafana-v10.2.3/bin/grafana-server \
? --config=/opt/grafana-v10.2.3/conf/defaults.ini \
? --homepath=/opt/grafana-v10.2.3?

[Install]
WantedBy=multi-user.target
EOF

启动服务

systemctl start grafana-server

web访问?

http://10.121.1.203:3000/login ?admin/admin

安装node_exporter

下载安装
wget https://github.com/prometheus/node_exporter/releases/download/v1.7.0/node_exporter-1.7.0.linux-amd64.tar.gz
tar -zxvf node_exporter-1.7.0.linux-amd64.tar.gz -C /opt/

chown prometheus:prometheus -R /opt/node_exporter-1.7.0.linux-amd64
node_exporter 服务
cat >> /etc/systemd/system/node_exporter.service << "EOF"
[Unit]
Description=node_exporter
Documentation=http://prometheus.io
After=network.target

[Service]
Type=simple
User=prometheus
Group=prometheus
ExecStart=/opt/node_exporter-1.7.0.linux-amd64/node_exporter
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
启动服务
?
systemctl daemon-reload
systemctl restart node_exporter
http://10.121.1.203:9100/metrics
修改prometheus 添加node_exporter

node_exporter?
?

cat >> /opt/prometheus-2.45.2.linux-amd64/prometheus.yml <<"EOF"
? ?# node-exporter配置
? - job_name: "node_exporter"
? ? scrape_interval: 15s
? ? static_configs:
? ? ? - targets: ["10.121.1.203:9100"]
? ? ? ? labels:
? ? ? ? ? instance: Prometheus server
EOF


重启下prometheus
curl -X POST http://10.121.1.203:9090/-/reload

grafana 添加数据源

Home>Connections>Data sources>prometheus 添加prometheus
?

添加node_exporter dashboard 模板

下载模板地址 : https://grafana.com/grafana/dashboards/1860-node-exporter-full
10.121.1.203:3000

导入路径 Home 》Dashboards 》Import dashboard

文章来源:https://blog.csdn.net/zuopiezia/article/details/135290474
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