grafana 监控 node

准备工作

安装 prometheus 和 grafana
参考文章:https://blog.csdn.net/weixin_42555971/article/details/125784517

prometheus 配置文件

  • scrape_interval:刷新间隔时间,默认15秒
  • external_labels:外部标签
  • job_name:添加到此配置中删除的任何时间序列
  • static_configs:配置监控地址,即普罗米修斯暴露地址
global:
  scrape_interval:     15s # By default, scrape targets every 15 seconds.

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
    monitor: 'codelab-monitor'

# 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=` to any timeseries scraped from this config.
  - job_name: 'prometheus'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 5s

    static_configs:
      - targets: ['localhost:9090']
      
  - job_name: 'service'
    static_configs:    
    - targets: ['192.168.xx.x0:9100']  
    - targets: ['192.168.xx.x1:9100']
    - targets: ['192.168.xx.x2:9100']  

 
配置 grafana 数据大盘,可选择 12884 或 8919
grafana 监控 node_第1张图片grafana 监控 node_第2张图片
 
节点安装 node_export

docker run -d -p 9100:9100  --restart=always  -h house-name  --name node-exporter  prom/node-exporter

 
防火墙开放 9100 端口

systemctl start firewalld.service
firewall-cmd --zone=public --add-port=9100/tcp --permanent
systemctl restart firewalld.service
firewall-cmd --reload

 
配置的 JSON Model

grafana 监控 node_第3张图片

{
  "annotations": {
    "list": [
      {
        "$$hashKey": "object:5598",
        "builtIn": 1,
        "datasource": {
          "type": "datasource",
          "uid": "grafana"
        },
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "description": "【中文版本】2020.06.28更新,增加整体资源展示!支持 Grafana6&7,Node Exporter v0.16及以上的版本,优化重要指标展示。包含整体资源展示与资源明细图表:CPU 内存 磁盘 IO 网络等监控指标。https://github.com/starsliao/Prometheus",
  "editable": true,
  "fiscalYearStartMonth": 0,
  "gnetId": 12884,
  "graphTooltip": 0,
  "id": 5,
  "iteration": 1658394823776,
  "links": [
    {
      "icon": "external link",
      "tags": [],
      "targetBlank": true,
      "title": "更新node_exporter",
      "tooltip": "",
      "type": "link",
      "url": "https://github.com/prometheus/node_exporter/releases"
    },
    {
      "icon": "external link",
      "tags": [],
      "targetBlank": true,
      "title": "更新当前仪表板",
      "tooltip": "",
      "type": "link",
      "url": "https://grafana.com/dashboards/8919"
    },
    {
      "icon": "external link",
      "tags": [],
      "targetBlank": true,
      "title": "StarsL.cn",
      "tooltip": "",
      "type": "link",
      "url": "https://starsl.cn"
    },
    {
      "asDropdown": true,
      "icon": "external link",
      "tags": [],
      "targetBlank": true,
      "title": "",
      "type": "dashboards"
    }
  ],
  "liveNow": false,
  "panels": [
    {
      "collapsed": false,
      "datasource": {
        "type": "prometheus",
        "uid": "uGg36Jg4z"
      },
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 187,
      "panels": [],
      "title": "资源总览(关联JOB项)当前选中主机:【$show_hostname】实例:$node",
      "type": "row"
    },
    {
      "columns": [],
      "datasource": {
        "type": "prometheus",
        "uid": "uGg36Jg4z"
      },
      "description": "分区使用率、磁盘读取、磁盘写入、下载带宽、上传带宽,如果有多个网卡或者多个分区,是采集的使用率最高的网卡或者分区的数值。",
      "fontSize": "100%",
      "gridPos": {
        "h": 8,
        "w": 24,
        "x": 0,
        "y": 1
      },
      "id": 185,
      "pageSize": 10,
      "showHeader": true,
      "sort": {
        "col": 5,
        "desc": false
      },
      "styles": [
        {
          "$$hashKey": "object:5955",
          "alias": "主机名",
          "align": "auto",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 1,
          "link": false,
          "linkTooltip": "",
          "linkUrl": "",
          "mappingType": 1,
          "pattern": "nodename",
          "thresholds": [],
          "type": "string",
          "unit": "bytes"
        },
        {
          "$$hashKey": "object:5956",
          "alias": "IP(链接到明细)",
          "align": "auto",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "link": true,
          "linkTargetBlank": false,
          "linkTooltip": "浏览主机明细",
          "linkUrl": "/d/9CWBz0bik/node-exporter?orgId=1&var-job=${job}&var-hostname=All&var-node=${__cell}&var-device=All",
          "mappingType": 1,
          "pattern": "instance",
          "thresholds": [],
          "type": "number",
          "unit": "short"
        },
        {
          "$$hashKey": "object:5957",
          "alias": "内存",
          "align": "auto",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "link": false,
          "mappingType": 1,
          "pattern": "Value #B",
          "thresholds": [],
          "type": "number",
          "unit": "bytes"
        },
        {
          "$$hashKey": "object:5958",
          "alias": "CPU核",
          "align": "auto",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "mappingType": 1,
          "pattern": "Value #C",
          "thresholds": [],
          "type": "number",
          "unit": "short"
        },
        {
          "$$hashKey": "object:5959",
          "alias": " 运行时间",
          "align": "auto",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #D",
          "thresholds": [],
          "type": "number",
          "unit": "s"
        },
        {
          "$$hashKey": "object:5960",
          "alias": "分区使用率*",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #E",
          "thresholds": [
            "70",
            "85"
          ],
          "type": "number",
          "unit": "percent"
        },
        {
          "$$hashKey": "object:5961",
          "alias": "CPU使用率",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #F",
          "thresholds": [
            "70",
            "85"
          ],
          "type": "number",
          "unit": "percent"
        },
        {
          "$$hashKey": "object:5962",
          "alias": "内存使用率",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #G",
          "thresholds": [
            "70",
            "85"
          ],
          "type": "number",
          "unit": "percent"
        },
        {
          "$$hashKey": "object:5963",
          "alias": "磁盘读取*",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #H",
          "thresholds": [
            "10485760",
            "20485760"
          ],
          "type": "number",
          "unit": "Bps"
        },
        {
          "$$hashKey": "object:5964",
          "alias": "磁盘写入*",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #I",
          "thresholds": [
            "10485760",
            "20485760"
          ],
          "type": "number",
          "unit": "Bps"
        },
        {
          "$$hashKey": "object:5965",
          "alias": "下载带宽*",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #J",
          "thresholds": [
            "30485760",
            "104857600"
          ],
          "type": "number",
          "unit": "bps"
        },
        {
          "$$hashKey": "object:5966",
          "alias": "上传带宽*",
          "align": "auto",
          "colorMode": "cell",
          "colors": [
            "rgba(50, 172, 45, 0.97)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #K",
          "thresholds": [
            "30485760",
            "104857600"
          ],
          "type": "number",
          "unit": "bps"
        },
        {
          "$$hashKey": "object:5967",
          "alias": "5m负载",
          "align": "auto",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 2,
          "mappingType": 1,
          "pattern": "Value #L",
          "thresholds": [],
          "type": "number",
          "unit": "short"
        },
        {
          "$$hashKey": "object:5968",
          "alias": "",
          "align": "right",
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "decimals": 2,
          "pattern": "/.*/",
          "thresholds": [],
          "type": "hidden",
          "unit": "short"
        }
      ],
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "node_uname_info{job=~\"$job\"} - 0",
          "format": "table",
          "instant": true,
          "interval": "",
          "legendFormat": "主机名",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "sum(time() - node_boot_time_seconds{job=~\"$job\"})by(instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "运行时间",
          "refId": "D"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "count(node_cpu_seconds_total{job=~\"$job\",mode='system'}) by (instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "总核数",
          "refId": "C"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "node_memory_MemTotal_bytes{job=~\"$job\"} - 0",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "总内存",
          "refId": "B"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "node_load5{job=~\"$job\"}",
          "format": "table",
          "instant": true,
          "interval": "",
          "legendFormat": "5分钟负载",
          "refId": "L"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "(1 - avg(irate(node_cpu_seconds_total{job=~\"$job\",mode=\"idle\"}[5m])) by (instance)) * 100",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "CPU使用率",
          "refId": "F"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "(1 - (node_memory_MemAvailable_bytes{job=~\"$job\"} / (node_memory_MemTotal_bytes{job=~\"$job\"})))* 100",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "内存使用率",
          "refId": "G"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "max((node_filesystem_size_bytes{job=~\"$job\",fstype=~\"ext.?|xfs\"}-node_filesystem_free_bytes{job=~\"$job\",fstype=~\"ext.?|xfs\"}) *100/(node_filesystem_avail_bytes {job=~\"$job\",fstype=~\"ext.?|xfs\"}+(node_filesystem_size_bytes{job=~\"$job\",fstype=~\"ext.?|xfs\"}-node_filesystem_free_bytes{job=~\"$job\",fstype=~\"ext.?|xfs\"})))by(instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "分区使用率",
          "refId": "E"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "max(irate(node_disk_read_bytes_total{job=~\"$job\"}[5m])) by (instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "最大读取",
          "refId": "H"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "max(irate(node_disk_written_bytes_total{job=~\"$job\"}[5m])) by (instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "最大写入",
          "refId": "I"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "max(irate(node_network_receive_bytes_total{job=~\"$job\"}[5m])*8) by (instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "下载带宽",
          "refId": "J"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "max(irate(node_network_transmit_bytes_total{job=~\"$job\"}[5m])*8) by (instance)",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "legendFormat": "上传带宽",
          "refId": "K"
        }
      ],
      "title": "服务器资源总览表(每页10行)",
      "transform": "table",
      "type": "table-old"
    },
    {
      "aliasColors": {
        "192.168.200.241:9100_Total": "dark-red",
        "Idle - Waiting for something to happen": "#052B51",
        "guest": "#9AC48A",
        "idle": "#052B51",
        "iowait": "#EAB839",
        "irq": "#BF1B00",
        "nice": "#C15C17",
        "sdb_每秒I/O操作%": "#d683ce",
        "softirq": "#E24D42",
        "steal": "#FCE2DE",
        "system": "#508642",
        "user": "#5195CE",
        "磁盘花费在I/O操作占比": "#ba43a9"
      },
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": {
        "type": "prometheus",
        "uid": "uGg36Jg4z"
      },
      "description": "",
      "fieldConfig": {
        "defaults": {
          "links": []
        },
        "overrides": []
      },
      "fill": 0,
      "fillGradient": 0,
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 0,
        "y": 9
      },
      "hiddenSeries": false,
      "id": 191,
      "legend": {
        "alignAsTable": false,
        "avg": false,
        "current": true,
        "hideEmpty": true,
        "hideZero": true,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "sort": "current",
        "sortDesc": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "maxPerRow": 6,
      "nullPointMode": "null",
      "options": {
        "alertThreshold": true
      },
      "percentage": false,
      "pluginVersion": "8.5.6",
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [
        {
          "alias": "总平均使用率",
          "lines": false,
          "pointradius": 1,
          "points": true,
          "yaxis": 2
        },
        {
          "alias": "总核数",
          "color": "#C4162A"
        }
      ],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "editorMode": "code",
          "exemplar": false,
          "expr": "count(node_cpu_seconds_total{job=~\"$job\", mode='system'})",
          "format": "time_series",
          "hide": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "总核数",
          "range": true,
          "refId": "B",
          "step": 240
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "sum(node_load5{job=~\"$job\"})",
          "format": "time_series",
          "hide": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "总5分钟负载",
          "refId": "A",
          "step": 240
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "uGg36Jg4z"
          },
          "expr": "avg(1 - avg(irate(node_cpu_seconds_total{job=~\"$job\",mode=\"idle\"}[5m])) by (instance)) * 100",
          "format": "time_series",
          "hide": true,
          "interval": "30m",
          "intervalFactor": 1,
          "legendFormat": "总平均使用率",
          "refId": "F",
          "step": 240
        }
      ],
      "thresholds": [],
      "timeRegions": [],
      "title": "$job:整体总负载与整体平均CPU使用率",
      "tooltip": {
        "shared": true,
        "sort": 2,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "mode": "time",
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "label": "总负载",
          "logBase": 1,
          "show": true
        },
        {
          "decimals": 0,
          "format": "percent",
          "label": "平均使用率",
          "logBase": 1,
          "show": true
        }
      ],
      "yaxis": {
        "align": false
      }
    },
    {
      "aliasColors": {
        "192.168.200.241:9100_总内存": "dark-red",
        "内存_Avaliable": "#6ED0E0",
        "内存_Cached": "#EF843C",
        "内存_Free": "#629E51",
        "内存_Total": "#6d1f62",
        "内存_Used": "#eab839",
        "可用": "#9ac48a",
        "总内存": "#bf1b00"
      },
      "bars": false,
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