Prometheus+Grafana

1、安装grafana

1、配置yum源文件

1. vim /etc/yum.repos.d/grafana.repo
2. [grafana]
3. name=grafana
4. baseurl=https://packages.grafana.com/oss/rpm
5. repo_gpgcheck=1
6. enabled=1
7. gpgcheck=1
8. gpgkey=https://packages.grafana.com/gpg.key
9. sslverify=1
10. sslcacert=/etc/pki/tls/certs/ca-bundle.crt

2.通过yum命令安装grafana

1. yum -y install grafana

3.启动grafana并设为开机自启

1. systemctl start grafana-server.service
2. systemctl enable grafana-server.service

Prometheus Grafana监控Ceph集群

2、安装promethus

1、下载安装包，下载地址

1. https://prometheus.io/download/

2、解压压缩包

1. tar fvxz prometheus-2.14.0.linux-amd64.tar.gz

3、将解压后的目录改名

1. mv prometheus-2.14.0.linux-amd64 /opt/prometheus

4、查看promethus版本

1. /opt/prometheus/prometheus --version

5、配置系统服务启动

1. cat > /etc/systemd/system/prometheus.service <<EOF
2. [Unit]
3. Description=Prometheus Monitoring System
4. Documentation=Prometheus Monitoring System
5. [Service]
6. ExecStart=/opt/prometheus/prometheus \
7. --config.file /opt/prometheus/prometheus.yml \
8. --web.listen-address=:9090
9. [Install]
10. WantedBy=multi-user.target
11. EOF

6、加载系统服务

1. systemctl daemon-reload

7、启动服务和添加开机自启动

1. systemctl start prometheus
2. systemctl enable prometheus

3、ceph mgr prometheus插件配置

1. netstat -nltp | grep mgr 检查端口
2. curl 127.0.0.1:9283/metrics 测试返回值

4、配置promethus

1、在 scrape_configs: 配置项下添加

1. vim /opt/prometheus/prometheus.yml

2、重启promethus服务

1. systemctl restart prometheus

3、检查prometheus服务器中是否添加成功

1. http://x.x.x.x:9090 

Prometheus Grafana监控Ceph集群

5、配置grafana

1、浏览器登录 grafana 管理界面
2、添加data sources，点击configuration —> data sources

3、添加dashboard，点击HOME —> find dashboard on grafana.com

1. #更多图表，上grafana上查找

Prometheus Grafana监控Ceph集群

Prometheus Grafana监控Ceph集群

4、搜索ceph的dashboard
5、点击HOME —> Import dashboard, 选择合适的dashboard，记录编号

Prometheus Grafana监控Ceph集群

Prometheus Grafana监控Ceph集群