prometheus学习系列八： Prometheus Grafana展示平台

在prometheus中，我们可以使用web页面进行数据的查询和展示， 不过展示效果不太理想，这里使用一款专业的展示平台进行展示。

grafana安装

# 下载
wget https://dl.grafana.com/oss/release/grafana-6.3.6-1.x86_64.rpm

# 安装
sudo yum localinstall grafana-6.3.-.x86_64.rpm

# 查看配置文件
[root@node00 ~]# rpm -ql grafana |grep etc
/etc/grafana
/etc/init.d/grafana-server
/etc/sysconfig/grafana-server
# 查看开机自启文件
[root@node00 ~]# rpm -ql grafana |grep systemd
/usr/lib/systemd/system/grafana-server.service

# 启动服务
[root@node00 grafana]# systemctl restart grafana-server 
# 查看状态图
[root@node00 grafana]# systemctl status grafana-server
# 开机自启
[root@node00 grafana]# systemctl enable grafana-server
# 查看监听端口
[root@node00 grafana]# lsof -i :

WEB页面配置

首次登陆设置

访问web页面地址192.168.100.10:3000端口，会弹出基础的登陆窗口，默认的用户名和密码为： admin/admin。 首次登录会引导你修改密码的。

添加数据源

访问web页面地址192.168.100.10:3000/datasources， 点击 "Add data source" 按钮 ，选择Prometheus作为数据源类型。进入如下界面。

添加dashboard

点击页面左上角的"+"号，然后选择import导入方式，输入1860,可以看到如下图。

注意： 由于我是在虚拟机上面运行的node节点，运行采集时间较短，所以为了展示效果设置的展示时间为最近5分钟。

添加精简导出器

我这边根据网络上面的dashardboard进行修改，使用在工作中的dashboard如下图。

对应的json文件如下，可以通过import方式导入的。

{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      }
    ]
  },
  "description": "node-exporter",
  "editable": true,
  "gnetId": 8919,
  "graphTooltip": 1,
  "id": 131,
  "iteration": 1569546050404,
  "links": [],
  "panels": [
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 180,
      "panels": [],
      "repeat": null,
      "title": "基础信息",
      "type": "row"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorPostfix": false,
      "colorPrefix": false,
      "colorValue": true,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "Prometheus",
      "decimals": 1,
      "description": "",
      "format": "s",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 2,
        "x": 0,
        "y": 1
      },
      "hideTimeOverride": true,
      "id": 15,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": false
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "time() - node_boot_time_seconds{instance=~\"$instance\"}",
          "format": "time_series",
          "hide": false,
          "instant": true,
          "intervalFactor": 2,
          "legendFormat": "",
          "refId": "A",
          "step": 40
        }
      ],
      "thresholds": "1,2",
      "title": "系统运行时间",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "100%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorPostfix": false,
      "colorValue": true,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "Prometheus",
      "description": "",
      "format": "short",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 2,
        "w": 2,
        "x": 2,
        "y": 1
      },
      "id": 14,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 4,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": false
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "count(count(node_cpu_seconds_total{instance=~\"$instance\", mode='system',job=\"$job\"}) by (cpu))",
          "format": "time_series",
          "instant": true,
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "1,2",
      "title": "CPU 核数",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "100%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "rgba(50, 172, 45, 0.97)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(245, 54, 54, 0.9)"
      ],
      "datasource": "Prometheus",
      "decimals": 2,
      "description": "",
      "format": "percent",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 3,
        "x": 4,
        "y": 1
      },
      "id": 167,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 2,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "100 - (avg(irate(node_cpu_seconds_total{instance=~\"$instance\",mode=\"idle\",job=\"$job\"}[1m])) * 100)",
          "format": "time_series",
          "hide": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "50,80",
      "title": "CPU使用率（1m）",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "rgba(50, 172, 45, 0.97)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(245, 54, 54, 0.9)"
      ],
      "datasource": "Prometheus",
      "decimals": 2,
      "description": "",
      "format": "percent",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 3,
        "x": 7,
        "y": 1
      },
      "id": 20,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 2,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "avg(irate(node_cpu_seconds_total{instance=~\"$instance\",mode=\"iowait\",job=\"$job\"}[1m])) * 100",
          "format": "time_series",
          "hide": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "10,20",
      "title": "CPU iowait（1m）",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "rgba(50, 172, 45, 0.97)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(245, 54, 54, 0.9)"
      ],
      "datasource": "Prometheus",
      "decimals": 0,
      "description": "",
      "format": "percent",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 3,
        "x": 10,
        "y": 1
      },
      "hideTimeOverride": false,
      "id": 172,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 4,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "(1 - (node_memory_MemAvailable_bytes{instance=~\"$instance\",job=\"$job\"} / (node_memory_MemTotal_bytes{instance=~\"$instance\",job=\"$job\"})))* 100",
          "format": "time_series",
          "hide": false,
          "interval": "10s",
          "intervalFactor": 1,
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "80,90",
      "title": "内存使用率",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorPostfix": false,
      "colorPrefix": false,
      "colorValue": true,
      "colors": [
        "rgba(50, 172, 45, 0.97)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(245, 54, 54, 0.9)"
      ],
      "datasource": "Prometheus",
      "decimals": 2,
      "description": "",
      "format": "short",
      "gauge": {
        "maxValue": 10000,
        "minValue": null,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 3,
        "x": 13,
        "y": 1
      },
      "hideTimeOverride": false,
      "id": 16,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 4,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "node_filefd_allocated{instance=~\"$instance\",job=\"$job\"}",
          "format": "time_series",
          "instant": false,
          "interval": "10s",
          "intervalFactor": 1,
          "refId": "B"
        }
      ],
      "thresholds": "7000,9000",
      "title": "当前打开的文件描述符",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "70%",
      "valueMaps": [],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "rgba(50, 172, 45, 0.97)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(245, 54, 54, 0.9)"
      ],
      "datasource": "Prometheus",
      "decimals": null,
      "description": "",
      "format": "percent",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 4,
        "x": 16,
        "y": 1
      },
      "id": 166,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 4,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "repeatDirection": "h",
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "100 - ((node_filesystem_avail_bytes{instance=~\"$instance\",mountpoint=\"/\",fstype=~\"ext4|xfs\",job=\"$job\"} * 100) / node_filesystem_size_bytes {instance=~\"$instance\",mountpoint=\"/\",fstype=~\"ext4|xfs\",job=\"$job\"})",
          "format": "time_series",
          "interval": "10s",
          "intervalFactor": 1,
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "70,90",
      "title": "根分区使用率",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "rgba(50, 172, 45, 0.97)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(245, 54, 54, 0.9)"
      ],
      "datasource": "Prometheus",
      "decimals": null,
      "description": "通过变量maxmount获取最大的分区。",
      "format": "percent",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 5,
        "w": 4,
        "x": 20,
        "y": 1
      },
      "id": 154,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 4,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "repeat": null,
      "repeatDirection": "h",
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "100 - ((node_filesystem_avail_bytes{instance=~\"$instance\",mountpoint=\"$maxmount\",fstype=~\"ext4|xfs\",job=\"$job\"} * 100) / node_filesystem_size_bytes {instance=~\"$instance\",mountpoint=\"$maxmount\",fstype=~\"ext4|xfs\",job=\"$job\"})",
          "format": "time_series",
          "interval": "10s",
          "intervalFactor": 1,
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "70,90",
      "title": "最大分区($maxmount)使用率",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": true,
      "colors": [
        "rgba(245, 54, 54, 0.9)",
        "rgba(237, 129, 40, 0.89)",
        "rgba(50, 172, 45, 0.97)"
      ],
      "datasource": "Prometheus",
      "decimals": null,
      "description": "",
      "format": "bytes",
      "gauge": {
        "maxValue": 100,
        "minValue": 0,
        "show": false,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 3,
        "w": 2,
        "x": 2,
        "y": 3
      },
      "id": 75,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "minSpan": 4,
      "nullPointMode": "null",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "70%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": false
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "node_memory_MemTotal_bytes{instance=~\"$instance\",job=\"$job\"}",
          "format": "time_series",
          "instant": true,
          "intervalFactor": 1,
          "legendFormat": "{{instance}}",
          "refId": "A",
          "step": 20
        }
      ],
      "thresholds": "2,3",
      "title": "内存总量",
      "transparent": true,
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 6
      },
      "id": 178,
      "title": "Memory && CPU",
      "type": "row"
    },
    {
      "aliasColors": {
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            "#7eb26d",
            "rgba(245, 54, 54, 0.9)"
          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
          "decimals": 1,
          "link": false,
          "mappingType": 1,
          "pattern": "Value #C",
          "thresholds": [
            "0",
            "10"
          ],
          "type": "number",
          "unit": "percentunit"
        },
        {
          "alias": "文件系统",
          "colorMode": null,
          "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": "fstype",
          "thresholds": [],
          "type": "hidden",
          "unit": "short"
        },
        {
          "alias": "IP",
          "colorMode": null,
          "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": "instance",
          "thresholds": [],
          "type": "hidden",
          "unit": "short"
        },
        {
          "alias": "",
          "colorMode": null,
          "colors": [
            "rgba(245, 54, 54, 0.9)",
            "rgba(237, 129, 40, 0.89)",
            "rgba(50, 172, 45, 0.97)"
          ],
          "decimals": 2,
          "pattern": "/.*/",
          "preserveFormat": true,
          "sanitize": false,
          "thresholds": [],
          "type": "hidden",
          "unit": "short"
        }
      ],
      "targets": [
        {
          "expr": "node_filesystem_avail_bytes {instance=~'$instance',fstype=~\"ext4|xfs\"}",
          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "10s",
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "A"
        },
        {
          "expr": "1-(node_filesystem_free_bytes{instance=~'$instance',fstype=~\"ext4|xfs\"} / node_filesystem_size_bytes{instance=~'$instance',fstype=~\"ext4|xfs\"})",
          "format": "table",
          "hide": false,
          "instant": true,
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "B"
        },
        {
          "expr": "((node_filesystem_avail_bytes{instance=~'$instance',fstype=~\"ext4|xfs\"} offset 1d -  node_filesystem_avail_bytes{instance=~'$instance',fstype=~\"ext4|xfs\"}  )  / node_filesystem_size_bytes{instance=~'$instance',fstype=~\"ext4|xfs\"} * 100 ) ",
          "format": "table",
          "hide": false,
          "instant": true,
          "intervalFactor": 1,
          "legendFormat": "",
          "refId": "C"
        }
      ],
      "title": "各分区可用空间",
      "transform": "table",
      "transparent": true,
      "type": "table"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 23
      },
      "id": 184,
      "panels": [],
      "title": "Network",
      "type": "row"
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "Prometheus",
      "fill": 1,
      "gridPos": {
        "h": 8,
        "w": 6,
        "x": 0,
        "y": 24
      },
      "height": "300",
      "id": 157,
      "legend": {
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        "hideEmpty": true,
        "hideZero": true,
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        "rightSide": false,
        "show": true,
        "sort": "current",
        "sortDesc": true,
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        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [
        {
          "alias": "/.*_out上传$/",
          "transform": "negative-Y"
        }
      ],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "irate(node_network_receive_bytes_total{instance=~'$instance',device!~'tap.*|veth.*|br.*|docker.*|virbr*|lo*',job=\"$job\"}[5m])*8",
          "format": "time_series",
          "intervalFactor": 2,
          "legendFormat": "{{device}}_in下载",
          "refId": "A",
          "step": 4
        },
        {
          "expr": "irate(node_network_transmit_bytes_total{instance=~'$instance',device!~'tap.*|veth.*|br.*|docker.*|virbr*|lo*',job=\"$job\"}[5m])*8",
          "format": "time_series",
          "intervalFactor": 2,
          "legendFormat": "{{device}}_out上传",
          "refId": "B",
          "step": 4
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "网络流量",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "bps",
          "label": "上传（-）/下载（+）",
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "Prometheus",
      "fill": 1,
      "gridPos": {
        "h": 8,
        "w": 6,
        "x": 6,
        "y": 24
      },
      "height": "300",
      "id": 185,
      "legend": {
        "alignAsTable": true,
        "avg": false,
        "current": true,
        "hideEmpty": true,
        "hideZero": true,
        "max": false,
        "min": false,
        "rightSide": false,
        "show": true,
        "sort": "current",
        "sortDesc": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 2,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [
        {
          "alias": "/.*_out上传$/",
          "transform": "negative-Y"
        }
      ],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "irate(node_network_receive_packets_total{instance=~'$instance',device!~'tap.*|veth.*|br.*|docker.*|virbr*|lo*',job=\"$job\"}[5m])",
          "format": "time_series",
          "intervalFactor": 2,
          "legendFormat": "{{device}}_接收包",
          "refId": "A",
          "step": 4
        },
        {
          "expr": "irate(node_network_transmit_packets_total{instance=~'$instance',device!~'tap.*|veth.*|br.*|docker.*|virbr*|lo*',job=\"$job\"}[5m])",
          "format": "time_series",
          "intervalFactor": 2,
          "legendFormat": "{{device}}_发送包",
          "refId": "B",
          "step": 4
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "网络包",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": true,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "label": "上传（-）/下载（+）",
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": false
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {
        "TCP": "#6ED0E0"
      },
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "Prometheus",
      "description": "CurrEstab - 当前状态为 ESTABLISHED 或 CLOSE-WAIT 的 TCP 连接数\n\nActiveOpens - 已从 CLOSED 状态直接转换到 SYN-SENT 状态的 TCP 平均连接数(1分钟内)\n\nPassiveOpens - 已从 LISTEN 状态直接转换到 SYN-RCVD 状态的 TCP 平均连接数(1分钟内)\n\nTCP_alloc - 已分配（已建立、已申请到sk_buff）的TCP套接字数量\n\nTCP_inuse - 正在使用（正在侦听）的TCP套接字数量\n\nTCP_tw - 等待关闭的TCP连接数",
      "fill": 0,
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 24
      },
      "height": "300",
      "id": 158,
      "legend": {
        "alignAsTable": true,
        "avg": false,
        "current": true,
        "max": false,
        "min": false,
        "rightSide": true,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "node_netstat_Tcp_CurrEstab{instance=~'$instance',job=\"$job\"}",
          "format": "time_series",
          "hide": false,
          "interval": "10s",
          "intervalFactor": 1,
          "legendFormat": "ESTABLISHED",
          "refId": "A",
          "step": 20
        },
        {
          "expr": "node_sockstat_TCP_tw{instance=~'$instance',job=\"$job\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "TCP_tw",
          "refId": "D"
        },
        {
          "expr": "irate(node_netstat_Tcp_ActiveOpens{instance=~'$instance',job=\"$job\"}[1m])",
          "format": "time_series",
          "hide": false,
          "intervalFactor": 1,
          "legendFormat": "ActiveOpens",
          "refId": "B"
        },
        {
          "expr": "irate(node_netstat_Tcp_PassiveOpens{instance=~'$instance',job=\"$job\"}[1m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "PassiveOpens",
          "refId": "C"
        },
        {
          "expr": "node_sockstat_TCP_alloc{instance=~'$instance',job=\"$job\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "TCP_alloc",
          "refId": "E"
        },
        {
          "expr": "node_sockstat_TCP_inuse{instance=~'$instance',job=\"$job\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "TCP_inuse",
          "refId": "F"
        },
        {
          "expr": "node_tcp_connection_states{instance=~\"$instance\",job=\"$job\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{state}}",
          "refId": "G"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeRegions": [],
      "timeShift": null,
      "title": "TCP 连接情况",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "transparent": false,
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "refresh": false,
  "schemaVersion": 16,
  "style": "dark",
  "tags": [
    "Prometheus",
    "node_exporter",
    "StarsL.cn"
  ],
  "templating": {
    "list": [
      {
        "auto": true,
        "auto_count": 10,
        "auto_min": "10s",
        "current": {
          "selected": true,
          "text": "30s",
          "value": "30s"
        },
        "hide": 0,
        "label": "interval",
        "name": "interval",
        "options": [
          {
            "selected": false,
            "text": "auto",
            "value": "$__auto_interval_interval"
          },
          {
            "selected": false,
            "text": "5s",
            "value": "5s"
          },
          {
            "selected": false,
            "text": "10s",
            "value": "10s"
          },
          {
            "selected": true,
            "text": "30s",
            "value": "30s"
          },
          {
            "selected": false,
            "text": "1m",
            "value": "1m"
          },
          {
            "selected": false,
            "text": "10m",
            "value": "10m"
          },
          {
            "selected": false,
            "text": "30m",
            "value": "30m"
          },
          {
            "selected": false,
            "text": "1h",
            "value": "1h"
          },
          {
            "selected": false,
            "text": "6h",
            "value": "6h"
          },
          {
            "selected": false,
            "text": "12h",
            "value": "12h"
          },
          {
            "selected": false,
            "text": "1d",
            "value": "1d"
          }
        ],
        "query": "5s,10s,30s,1m,10m,30m,1h,6h,12h,1d",
        "refresh": 2,
        "skipUrlSync": false,
        "type": "interval"
      },
      {
        "allValue": null,
        "current": {
          "text": "node-exporter",
          "value": "node-exporter"
        },
        "datasource": "Prometheus",
        "definition": "label_values(node_uname_info, job)",
        "hide": 0,
        "includeAll": false,
        "label": null,
        "multi": false,
        "name": "job",
        "options": [
          {
            "selected": true,
            "text": "node-exporter",
            "value": "node-exporter"
          }
        ],
        "query": "label_values(node_uname_info, job)",
        "refresh": 0,
        "regex": "",
        "skipUrlSync": false,
        "sort": 0,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allFormat": "glob",
        "allValue": null,
        "current": {
          "tags": [],
          "text": "172.16.21.197:20001",
          "value": [
            "172.16.21.197:20001"
          ]
        },
        "datasource": "Prometheus",
        "definition": "label_values(node_uname_info,instance)",
        "hide": 0,
        "includeAll": false,
        "label": "instance",
        "multi": true,
        "multiFormat": "regex values",
        "name": "instance",
        "options": [],
        "query": "label_values(node_uname_info,instance)",
        "refresh": 2,
        "regex": "",
        "skipUrlSync": false,
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allValue": null,
        "current": {
          "text": "/",
          "value": "/"
        },
        "datasource": "Prometheus",
        "definition": "query_result(topk(1, sort_desc(max by (mountpoint) (node_filesystem_size_bytes{instance=~\"$instance\",fstype=~\"ext4|xfs\"}))))",
        "hide": 2,
        "includeAll": false,
        "label": "",
        "multi": false,
        "name": "maxmount",
        "options": [],
        "query": "query_result(topk(1, sort_desc(max by (mountpoint) (node_filesystem_size_bytes{instance=~\"$instance\",fstype=~\"ext4|xfs\"}))))",
        "refresh": 2,
        "regex": "/.*=\\\"(.*)\\\".*/",
        "skipUrlSync": false,
        "sort": 0,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "datasource": "prometheus_111",
        "filters": [],
        "hide": 0,
        "label": "",
        "name": "Filters",
        "skipUrlSync": false,
        "type": "adhoc"
      }
    ]
  },
  "time": {
    "from": "now-24h",
    "to": "now"
  },
  "timepicker": {
    "now": true,
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
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    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
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    ]
  },
  "timezone": "browser",
  "title": "node-exporter",
  "uid": "node-exporter",
  "version": 49
}

其他

关于grafana的使用，详细的使用文档还是官方的文档，地址为： https://grafana.com

grafana集成ldap可以参考我的文档： https://www.cnblogs.com/zhaojiedi1992/p/zhaojiedi_liunx_51_ldap_for_grafana.html

有使用grafana和prometheus的问题可以给我留言。