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prometheus-添加监控linux服务器

技术分享 2年前 (2022-12-29) 0 999+
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1. prometheus-添加监控linux服务器

  • prometheus添加监控linux服务器

  • 安装部署

    • 下载node_exporter包
      prometheus-添加监控linux服务器

      https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz

    • 监控端主机下载

      [root@VM-0-17-centos ~]# wget https://github.com/prometheus/node_exporter/releases/download/v1.1.2/node_exporter-1.1.2.linux-amd64.tar.gz

    • 解压

      [root@VM-0-17-centos ~]# tar  -xvf node_exporter-1.1.2.linux-amd64.tar.gz  node_exporter-1.1.2.linux-amd64/ node_exporter-1.1.2.linux-amd64/LICENSE node_exporter-1.1.2.linux-amd64/NOTICE node_exporter-1.1.2.linux-amd64/node_exporter

    • 拷贝到opt目录下存放

      [root@VM-0-17-centos ~]# mv node_exporter-1.1.2.linux-amd64 /opt/ [root@VM-0-17-centos ~]# ll /opt/node_exporter-1.1.2.linux-amd64/ total 18748 -rw-r--r-- 1 3434 3434    11357 Mar  5 17:41 LICENSE -rwxr-xr-x 1 3434 3434 19178528 Mar  5 17:29 node_exporter -rw-r--r-- 1 3434 3434      463 Mar  5 17:41 NOTICE [root@VM-0-17-centos ~]# mv /opt/node_exporter-1.1.2.linux-amd64 /opt/node_exporter

    • 切换目录

      [root@VM-0-17-centos ~]# cd /opt/node_exporter/ [root@VM-0-17-centos node_exporter]# ll total 18748 -rw-r--r-- 1 3434 3434    11357 Mar  5 17:41 LICENSE -rwxr-xr-x 1 3434 3434 19178528 Mar  5 17:29 node_exporter -rw-r--r-- 1 3434 3434      463 Mar  5 17:41 NOTICE

    • 启动服务尝试

      [root@VM-0-17-centos node_exporter]# ./node_exporter  level=info ts=2021-05-19T07:00:05.583Z caller=node_exporter.go:178 msg="Starting node_exporter" version="(version=1.1.2, branch=HEAD, revision=b597c1244d7bef49e6f3359c87a56dd7707f6719)" level=info ts=2021-05-19T07:00:05.583Z caller=node_exporter.go:179 msg="Build context" build_context="(go=go1.15.8, user=root@f07de8ca602a, date=20210305-09:29:10)" level=warn ts=2021-05-19T07:00:05.583Z caller=node_exporter.go:181 msg="Node Exporter is running as root user. This exporter is designed to run as unpriviledged user, root is not required." level=info ts=2021-05-19T07:00:05.583Z caller=filesystem_common.go:74 collector=filesystem msg="Parsed flag --collector.filesystem.ignored-mount-points" flag=^/(dev|proc|sys|var/lib/docker/.+)($|/) level=info ts=2021-05-19T07:00:05.583Z caller=filesystem_common.go:76 collector=filesystem msg="Parsed flag --collector.filesystem.ignored-fs-types" flag=^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$ level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:106 msg="Enabled collectors" level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=arp level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=bcache level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=bonding level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=btrfs level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=conntrack level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=cpu level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=cpufreq level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=diskstats level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=edac level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=entropy level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=fibrechannel level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=filefd level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=filesystem level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=hwmon level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=infiniband level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=ipvs level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=loadavg level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=mdadm level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=meminfo level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=netclass level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=netdev level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=netstat level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=nfs level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=nfsd level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=powersupplyclass level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=pressure level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=rapl level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=schedstat level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=sockstat level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=softnet level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=stat level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=textfile level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=thermal_zone level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=time level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=timex level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=udp_queues level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=uname level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=vmstat level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=xfs level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:113 collector=zfs level=info ts=2021-05-19T07:00:05.584Z caller=node_exporter.go:195 msg="Listening on" address=:9100 level=info ts=2021-05-19T07:00:05.584Z caller=tls_config.go:191 msg="TLS is disabled." http2=false

  • 配置为系统服务管理

    • 编写系统配置服务

      [root@iZj6cbgktk3zjpge312vq1Z node_exporter]# vim  /usr/lib/systemd/system/node_exporter.service [root@iZj6cbgktk3zjpge312vq1Z node_exporter]# cat  /usr/lib/systemd/system/node_exporter.service [Unit] Description=node_exporter [Service] # 添加认证密码文件/opt/node_exporter/config.yml ，默认可以不需要 ExecStart=/opt/node_exporter/node_exporter --web.config=/opt/node_exporter/config.yml    ExecReload=/bin/kill -HUP $MAINPID KillMode=process Restart=on-failure [Install] WantedBy=multi-user.target

    • 添加config配置文件

      [root@VM-0-17-centos node_exporter]# yum install httpd-tools –y [root@VM-0-17-centos node_exporter]# htpasswd -nBC 12 '' | tr -d ':n' New password:       #这里输入的123456 Re-type new password:    #这里输入的123456 $2y$12$.YGKNPkYfSOsm.JataWRUe4vWdTS8nW6YtPQI0Jr14eTv6E5Fpdga          # 这段是生成的key

    • 编写启动配置文件

      [root@iZj6cbgktk3zjpge312vq1Z node_exporter]# vim config.yml [root@iZj6cbgktk3zjpge312vq1Z node_exporter]# cat config.yml basic_auth_users:   prometheus: $2y$12$.YGKNPkYfSOsm.JataWRUe4vWdTS8nW6YtPQI0Jr14eTv6E5Fpdga

    • 启动服务

      systemctl daemon-reload systemctl start node_exporter systemctl enable node_exporter

  • 在prometheus添加主机

    • 添加配置文件

      [root@iZj6cbgktk3zjpge312vq2Z prometheus]# vim prometheus.yml [root@iZj6cbgktk3zjpge312vq2Z prometheus]# cat prometheus.yml # my global config global:   scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.   evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.   # scrape_timeout is set to the global default (10s).  # Alertmanager configuration alerting:   alertmanagers:   - static_configs:     - targets:       # - alertmanager:9093  # Load rules once and periodically evaluate them according to the global 'evaluation_interval'. rule_files:   # - "first_rules.yml"   # - "second_rules.yml"  # A scrape configuration containing exactly one endpoint to scrape: # Here it's Prometheus itself. scrape_configs:   # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.   - job_name: 'prometheus'      # metrics_path defaults to '/metrics'     # scheme defaults to 'http'.      static_configs:     - targets: ['127.0.0.1:9090']   - job_name: linux     # 添加监控主机的用户和密码     basic_auth:       username: prometheus       password: 123456     static_configs:       - targets: ['10.1.2.211:9100']         labels:           prod: web

    • 重启服务

      [root@iZj6cbgktk3zjpge312vq2Z prometheus]# /bin/systemctl restart prometheus

  • 在Prometheus配置文件添加被监控端：

    • 验证prometheus配置文件
      prometheus-添加监控linux服务器

    • 验证发现已经有数据了
      prometheus-添加监控linux服务器

  • 使用Grafana展示node_exporter数据指标，仪表盘ID：9276

    • 导入仪表盘
      prometheus-添加监控linux服务器
      prometheus-添加监控linux服务器
      prometheus-添加监控linux服务器

    • 添加
      prometheus-添加监控linux服务器
      prometheus-添加监控linux服务器

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