普罗米修斯prometheus的安装与监控linux |
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普罗米修斯prometheus的安装与监控linux
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golang的安装
普罗米修斯是go开发的，所以需要安装go环境。 先下载golang，下载地址：https://studygolang.com/dl，这里选择的是：https://studygolang.com/dl/golang/go1.16.5.linux-amd64.tar.gz 上传至/usr/local目录下并解压 添加环境变量 export GO_HOME=/usr/local/go export PATH=$PATH:$GO_HOME/bin 验证go环境是否安装成功。 # go version go version go1.16.5 linux/amd64 普罗米修斯prometheus的安装 下载prometheus，下载地址：https://github.com/prometheus/prometheus/releases这里使用的是https://github.com/prometheus/prometheus/releases/download/v2.27.1/prometheus-2.27.1.linux-amd64.tar.gz 上传至/usr/local目录下并解压 将prometheus安装为系统服务 # cat /etc/systemd/system/prometheus.service [Unit] Description=Prometheus [Service] Type=simple Restart=on-failure RestartSec=5 ExecStart=/usr/local/prometheus-2.27.1.linux-amd64/prometheus --config.file=/usr/local/prometheus-2.27.1.linux-amd64/prometheus.yml [Install] WantedBy=multi-user.target 启动prometheus # systemctl enable prometheus # systemctl start prometheus # systemctl status prometheus ● prometheus.service - Prometheus Loaded: loaded (/etc/systemd/system/prometheus.service; disabled; vendor preset: disabled) Active: active (running) since Sun 2021-06-06 02:15:28 EDT; 1s ago Main PID: 9565 (prometheus) CGroup: /system.slice/prometheus.service └─9565 /usr/local/prometheus-2.27.1.linux-amd64/prometheus --config.file=/usr/local/prometheus-2.27.1.linux-amd64/prometheus.yml Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.354Z caller=head.go:755 component=tsdb msg="On-disk memory mappable chunks replay c…ion=14.216µs Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.354Z caller=head.go:761 component=tsdb msg="Replaying WAL, this may take a while" Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.362Z caller=head.go:813 component=tsdb msg="WAL segment loaded" segment=0 maxSegment=1 Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.363Z caller=head.go:813 component=tsdb msg="WAL segment loaded" segment=1 maxSegment=1 Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.363Z caller=head.go:818 component=tsdb msg="WAL replay completed" checkpoint_replay…n=9.195162ms Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.370Z caller=main.go:828 fs_type=XFS_SUPER_MAGIC Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.370Z caller=main.go:831 msg="TSDB started" Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.370Z caller=main.go:957 msg="Loading configuration file" filename=/usr/local/promet...etheus.yml Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.421Z caller=main.go:988 msg="Completed loading of configuration file" filename=/usr/local/pro…µs Jun 06 02:15:28 node07 prometheus[9565]: level=info ts=2021-06-06T06:15:28.421Z caller=main.go:775 msg="Server is ready to receive web requests." Hint: Some lines were ellipsized, use -l to show in full. 验证，浏览器输入：http://192.168.0.207:9090/，出现如下界面说明安装成功了。
prometheus只是监控数据，那么数据的来源呢，由XXX_exporter进行收集，如果是监控linux系统，那么就要安装node_exporter。 下载node_exporter，下载地址：https://github.com/prometheus/node_exporter/releases这里使用的是：https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz 上传至/usr/local目录下并解压 安装为系统服务 # cat /etc/systemd/system/node_exporter.service [Unit] Description=node-exporter [Service] Type=simple Restart=on-failure RestartSec=5 ExecStart=/usr/local/node_exporter-1.1.2.linux-amd64/node_exporter [Install] WantedBy=multi-user.target 启动node_exporter，并设置为随开机启动。 # systemctl daemon-reload # systemctl start node_exporter # systemctl status node_exporter # systemctl enable node_exporter 验证，浏览器输入：http://192.168.0.207:9100/正常会出现如下界面：
可以使用./promtool check config prometheus.yml对yml文件格式进行校验。 重启prometheus。重启后，可以打开http://192.168.0.207:9090/targets查看监听的目标。
prometheus只是监控，而grafana对这些数据进行图形化的展示，下面采用yum进行安装。 官方参考教程：https://grafana.com/docs/grafana/latest/installation/rpm/ 配置yum源 # cat /etc/yum.repos.d/grafana.repo [grafana] name=grafana baseurl=https://packages.grafana.com/oss/rpm repo_gpgcheck=1 enabled=1 gpgcheck=1 gpgkey=https://packages.grafana.com/gpg.key sslverify=1 sslcacert=/etc/pki/tls/certs/ca-bundle.crt 安装 # yum update # yum makecache # yum install -y grafana 启动，并设置为随系统开机启动 # systemctl daemon-reload # systemctl start grafana-server # systemctl status grafana-server # systemctl enable grafana-server 验证，浏览器输入http://192.168.0.207:3000/，默认密码admin/admin
在http://192.168.0.207:3000/datasources/new添加数据源，选择prometheus。
输入prometheus的地址http://192.168.0.207:9090/保存即可，其余都默认。
最终效果图如下：
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