prometheus的进程监控process-exporter
prometheus监控某项进程
1.下载二进制文件process-exporter
项目地址:https://github.com/ncabatoff/process-exporter
下载地址:https://github.com/ncabatoff/process-exporter/releases/download/
2.启动
解压
tar -zxvf process-exporter-0.8.2.linux-amd64.tar.gz mkdir /usr/local/node_exporter/ mv process-exporter-0.8.2.linux-amd64/process_exporter /usr/local/node_exporter/process_exporter
编辑配置文件
其中cmdline中写的是进程名(类似于ps -ef | grep 命令是筛选),如果是'.+'为监控所有进程。
vim /usr/local/node_exporter/conf/process.yml process_names: - name: "{{.Matches}}" cmdline: - 'tomcat' #唯一标识 - name: "{{.Matches}}" cmdline: - '9500' #唯一标识
创建systemd
vim /etc/systemd/system/process_exporter.service [Unit] Description=process_exporter After=network.target [Service] Type=simple ExecStart=/usr/local/node_exporter/process_exporter -config.path=/usr/local/node_exporter/conf/process.yml Restart=on-failure [Install] WantedBy=multi-user.target
启动进程
systemctl daemon-reload
systemctl start process_exporter
systemctl enable process_exporter
测试
curl http://localhost:9256/metrics
在prometheus添加监控项
cat >> prometheus/prometheus.yml <<"EOF" - job_name: 'FineBi' scrape_interval: 30s scrape_timeout: 15s static_configs: - targets: ['http://10.38.0.217:9256/'] EOF
在promethues里搜索namedprocess_namegroup_num_procs
3.在夜莺系统添加告警
FineBi tomcat进程down了
namedprocess_namegroup_num_procs{groupname="map[:tomcat]",instance="10.38.0.217:9256",job="FineBi"} ==0
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