（九）PrometheusGrafana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。

一、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-6.3.6-1.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 :3000


二、WEB页面配置

2.1 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。

2.2 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。

2.3 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。

2.4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": {
"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,
"dashLength": 10,
"dashes": false,
"datasource": "Prometheus",
"decimals": 2,
"fill": 1,
"gridPos": {
"h": 7,
"w": 6,
"x": 0,
"y": 7
},
"height": "300",
"id": 156,
"legend": {
"alignAsTable": false,
"avg": false,
"current": false,
"max": false,
"min": false,
"rightSide": false,
"show": true,
"sort": "current",
"sortDesc": true,
"total": false,
"values": false
},
"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_memory_MemTotal_bytes{instance=~\"$instance\",job=\"$job\"}",
"format": "time_series",
"hide": false,
"instant": false,
"intervalFactor": 2,
"legendFormat": "总内存",
"refId": "A",
"step": 4
},
{
"expr": "node_memory_MemTotal_bytes{instance=~\"$instance\",job=\"$job\"} - node_memory_MemAvailable_bytes{instance=~\"$instance\",job=\"$job\"}",
"format": "time_series",
"hide": false,
"instant": false,
"intervalFactor": 2,
"legendFormat": "已用内存",
"refId": "B",
"step": 4
}
],
"thresholds": [],
"timeFrom": null,
"timeRegions": [],
"timeShift": null,
"title": "内存信息",
"tooltip": {
"shared": true,
"sort": 1,
"value_type": "individual"
},
"transparent": true,
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "bytes",
"label": null,
"logBase": 1,
"max": null,
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
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"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",
"2h",
"1d"
],
"time_options": [
"5m",
"15m",
"1h",
"6h",
"12h",
"24h",
"2d",
"7d",
"30d"
]
},
"timezone": "browser",
"title": "node-exporter",
"uid": "node-exporter",
"version": 49
}


三、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。