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郑州手机网站建设公司排名,湖南关键词网络科技有限公司,网站搜索引擎优化方法,网站免费源码Prometheus和Granafa监控方案 介绍 Prometheus本身不会直接去抓取应用指标#xff0c;而是通过对应的Exporter来暴露指标。因此#xff0c;我们需要在服务器上部署相应的Exporter#xff0c;并确保它们正在运行且暴露指标在特定端口。 Prometheus通过应用暴露的指标获取数据…Prometheus和Granafa监控方案介绍Prometheus本身不会直接去抓取应用指标而是通过对应的Exporter来暴露指标。因此我们需要在服务器上部署相应的Exporter并确保它们正在运行且暴露指标在特定端口。Prometheus通过应用暴露的指标获取数据Grafana连接到Prometheus的数据库并将其数据可视化的展示以此达到可视化监控的目的因云服务器无图形化窗口本次方案思路1.Prometheus和所有的exporter只监听本地127.0.0.1外部无法直接访问2.安装Grafana配置监听本地3.Grafana中添加数据源4.在本机通过ssh隧道将服务器的Grafana端口3000映射到本地的端口30005.本机可通过localhost3000访问Grafana1.安装Prometheus监控端软件官网 [https://prometheus.io/download/]1.安装# 创建监控专用目录如果不存在自定义软件安装目录mkdir-p /opt/monitoringcd/opt/monitoringmv软件包位置 /opt/monitoringtar-zxf prometheus-3.7.3.linux-amd64.tar.gzcdprometheus-3.7.3.inux-amd64/2.创建专用用户和目录# 创建系统用户useradd--no-create-home --shell /bin/false prometheus# 创建必要的目录mkdir-p /etc/prometheusmkdir-p /var/lib/prometheus# 设置目录权限chownprometheus:prometheus /etc/prometheuschownprometheus:prometheus /var/lib/prometheuscdprometheus# 安装二进制文件cpprometheus /usr/local/bin/cppromtool /usr/local/bin/# 设置权限chownprometheus:prometheus /usr/local/bin/prometheuschownprometheus:prometheus /usr/local/bin/promtoolchmodx /usr/local/bin/prometheuschmodx /usr/local/bin/promtool3.编辑配置文件cpprometheus.yml /etc/prometheus/prometheus.ymlvim/etc/prometheus/prometheus.yml global: scrape_interval: 15s# 全局默认抓取间隔evaluation_interval: 15s# 规则评估间隔如报警规则scrape_configs:# 监控 Prometheus 自身- job_name:prometheus# 覆盖此任务的全局抓取间隔scrape_interval: 15s static_configs: - targets:[127.0.0.1:9090]# Prometheus 自身服务地址,默认为localhost# 设置配置文件权限chownprometheus:prometheus /etc/prometheus/prometheus.yml4.配置service启动文件cat/etc/systemd/system/prometheus.serviceEOF [Unit] DescriptionPrometheus Wantsnetwork-online.target Afternetwork-online.target [Service] Userprometheus Groupprometheus Typesimple ExecStart/usr/local/bin/prometheus \ --config.file/etc/prometheus/prometheus.yml \ --storage.tsdb.path/var/lib/prometheus/ \ --web.listen-address127.0.0.1:9090 Restartalways [Install] WantedBymulti-user.target EOF5.启动和测试# 重新加载 systemdsystemctl daemon-reload# 启用服务systemctlenableprometheus# 启动服务systemctl start prometheus# 检查状态systemctl status prometheus#active即成功6.查看日志如果有问题# 查看实时日志journalctl -u prometheus -f# 或者查看最后20行日志journalctl -u prometheus -n20--no-pager2.安装被监控端Node Exporter系统监控1.下载往下翻就有2.安装 Node Exportermkdir-p /opt/monitoringcd/opt/monitoringmv软件包位置 /opt/monitoringtar-zxf node_exporter-1.7.0.linux-amd64.tar.gzcdnode_exporter-1.7.0.linux-amd64# 复制二进制文件cpnode_exporter /usr/local/bin/chmodx /usr/local/bin/node_exporter# 创建系统用户如果不存在useradd--no-create-home --shell /bin/false node_exporter2/dev/null||truechownnode_exporter:node_exporter /usr/local/bin/node_exporter3.创建 Node Exporter 服务(默认为localhost)cat/etc/systemd/system/node_exporter.serviceEOF [Unit] DescriptionNode Exporter Afternetwork.target [Service] Usernode_exporter Groupnode_exporter Typesimple ExecStart/usr/local/bin/node_exporter \ --web.listen-address127.0.0.1:9100 \ --collector.systemd \ --collector.systemd.unit-whitelist(nginx|mysql|ssh).service Restarton-failure [Install] WantedBymulti-user.target EOF4.启动 Node Exportersystemctl daemon-reload systemctlenablenode_exporter systemctl start node_exporter systemctl status node_exporterNginx Exporter 服务1.下载与安装cd/opt/monitoring# 下载 Nginx Exporterwgethttps://github.com/nginxinc/nginx-prometheus-exporter/releases/download/v0.11.0/nginx-prometheus-exporter_0.11.0_linux_amd64.tar.gz# 解压tarxzf nginx-prometheus-exporter_0.11.0_linux_amd64.tar.gzcpnginx-prometheus-exporter /usr/local/bin/chmodx /usr/local/bin/nginx-prometheus-exporter# 创建系统用户如果不存在useradd--no-create-home --shell /bin/false nginx_exporter2/dev/null||truechownnginx_exporter:nginx_exporter /usr/local/bin/nginx-prometheus-exporter2.创建 Nginx Exporter 服务cat/etc/systemd/system/nginx_exporter.serviceEOF [Unit] DescriptionNginx Exporter Afternetwork.target [Service] Usernginx_exporter Groupnginx_exporter Typesimple ExecStart/usr/local/bin/nginx-prometheus-exporter \ -nginx.scrape-uri http://127.0.0.1:8080/nginx_status \ -web.listen-address 127.0.0.1:9113 Restarton-failure [Install] WantedBymulti-user.target EOF3.配置 Nginx 状态页面vim/usr/local/nginx/conf/nginx.conf#添加一段新serverserver{listen127.0.0.1:8080;server_name localhost;location /nginx_status{stub_status on;access_log off;allow127.0.0.1;deny all;}#重启nginx服务systemctl restart nginx4.启动 Nginx Exportersystemctl daemon-reload systemctlenablenginx_exporter systemctl start nginx_exporter systemctl status nginx_exporter同理可安装所需exporter使用3. 更新 Prometheus 配置vim /etc/prometheus/prometheus.ymlscrape_configs:# 监控 Prometheus 自身-job_name:prometheusstatic_configs:-targets:[127.0.0.1:9090]# 监控系统指标-job_name:node_exporterstatic_configs:-targets:[127.0.0.1:9100]labels:instance:web-server-01environment:production# 监控 Nginx-job_name:nginxstatic_configs:-targets:[127.0.0.1:9113]labels:instance:web-server-01environment:production#注意缩进对照原有的就行# 设置权限chownprometheus:prometheus /etc/prometheus/prometheus.yml# 检查配置语法/usr/local/bin/promtool check config /etc/prometheus/prometheus.yml# 重启 Prometheus 以应用新配置systemctl restart prometheus systemctl status prometheus检查所有服务状态systemctl status prometheus systemctl status node_exporter systemctl status nginx_exporter有图形化的可以通过设置的监控Prometheus本身的IP和端口访问如 http://127.0.0.1:9090/targets 访问4.Grafana可视化1.下载安装yuminstall-y grafana#或下载rpm包上传到服务器使用yun本地安装yum localinstall -y 包名2.启动并启用服务systemctl daemon-reload systemctl start grafana-server systemctlenablegrafana-server3.检查状态systemctl status grafana-serve#active就行ss -ntl可以看到服务都成功启动4.本地浏览器测试#建立ssh隧道 x是服务器ip将服务器本地的3000端口映射到本地3000端口win用cmd就行ssh-L3000:localhost:3000 rootx.x.x.x 登录后不要关闭cmd 本地浏览器访问localhost:3000 登录默认密码 admin admin 提示改密码想改可以改我是skip5.添加数据源填刚查询的Prometheus地址保存后添加仪表盘最后就成功了可以更换合适的仪表盘效果图接下来还可以进行监控报警便不做展示