ceph使用prometheus监控集群并使用grafana展示

ceph使用prometheus监控集群并使用grafana展示

==监控======6.1 prometheus========6.1.1 下载prometheus====部署prometheus====

mkdir Prometheus && mkdir /apps && cd prometheus # tar xf prometheus-2.29.2.linux-amd64.tar.gz # ln -sv /prometheus/prometheus-2.29.2.linux-amd64 /apps/prometheus

==6.1.3 创建prometheus的启动文件==

# vim /etc/systemd/system/prometheus.service [Unit] Description=Prometheus Server Documentation=https://prometheus.io/docs/introduction/overview/ After=network.target [Service] Restart=on-failure WorkingDirectory=/apps/prometheus/ ExecStart=/apps/prometheus/prometheus --config.file=/apps/prometheus/prometheus.yml [Install] WantedBy=multi-user.target

==6.1.4 启动prometheus==

# systemctl daemon-reload # systemctl restart prometheus # systemctl enable prometheus

==6.1.5 访问prometheus==

IP:9090

==6.2 node_exporter6.2.1 下载node_exporter==

下载地址：https://prometheus.io/download/ https://github.com/prometheus/node_exporter/releases/download/v1.2.2/node_exporter-1.2.2.linux-amd64.tar.gz 所有node节点都需要安装node_exporter

==6.2.2部署node_exporter==

# 所有节点都执行以下操作 # mkdir /apps # cd /apps # tar xf node_exporter-1.2.2.linux-amd64.tar.gz # ln -sv /apps/node_exporter-1.2.2.linux-amd64 /apps/node_exporter 6.2.3 创建node_exporter启动文件 # vim /etc/systemd/system/node-exporter.service [Unit] Description=Prometheus Node Exporter After=network.target [Service] ExecStart=/apps/node_exporter/node_exporter [Install] WantedBy=multi-user.target

==6.2.4 启动node_exporter==

# systemctl daemon-reload # systemctl restart node-exporter # systemctl enable node-exporter

==6.2.5 访问node_exporter==

# netstat -anput | grep 9100 浏览器输入IP:9100

==6.3 配置promethues监控node节点6.3.1 配置promethues==

# 在安装了promethues的节点 # vim /apps/prometheus/prometheus.yml - job_name: "prometheus" # metrics_path defaults to '/metrics' # scheme defaults to 'http'. static_configs: - targets: ["localhost:9090"] - job_name: 'ceph-nodes' static_configs: - targets: ["172.25.250.151:9100","172.25.250.152:9100","172.25.250.153:9100"] # systemctl restart promethues.service

==6.3.2 确认配置==

在mgr节点开启prometheus模块 # ceph mgr module enable Prometheus

==6.3.4 验证是否开启模块==

# ss -tnl | grep 9283 LISTEN 0 5 172.25.250.152:9283 0.0.0.0:*

==6.4 配置prometheus采集数据==

# 在安装prometheus节点配置 # vim /apps/prometheus/prometheus.yml - job_name: "prometheus" # metrics_path defaults to '/metrics' # scheme defaults to 'http'. static_configs: - targets: ["localhost:9090"] - job_name: 'ceph-nodes' static_configs: - targets: ["172.25.250.151:9100","172.25.250.152:9100","172.25.250.153:9100"] - job_name: 'ceph-cluster' static_configs: - targets: ["172.25.250.152:9283"] # systemctl restart prometheus.service

==6.5通过grafana显示数据6.5.1 安装grafana==

下载：https://grafana.com/grafana/download sudo apt-get install -y adduser libfontconfig1 wget https://dl.grafana.com/enterprise/release/grafana-enterprise_8.1.2_amd64.deb sudo dpkg -i grafana-enterprise_8.1.2_amd64.deb

==6.5.2启动==

sudo systemctl daemon-reload sudo systemctl start grafana-server sudo systemctl status grafana-server

sudo systemctl enable grafana-server.service

==6.5.3 登录==

Grafana占用3000端口，登录方法：IP:3000

首次登陆需要注册用户信息，默认用户是admin/admin，登录后重新更新密码。

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