Telegraf_For_Linux_By_Epoint
使用telegraf工具实现的Linux轻量级服务器性能监控，监控指标包含（运行时、配置信息、CPU、内存、磁盘、网络带宽）,支持服务器多选展示
下面是influxDB的配置/etc/influxdb/influxdb.conf
```
[meta]
dir = "/var/lib/influxdb/meta"
[data]
dir = "/var/lib/influxdb/data"
wal-dir = "/var/lib/influxdb/wal"
[http]
enabled = true
bind-address = ":8086"
[[admin]]
enabled = true
bind-address = ":8083"
https-enabled =false
```
将如下配置覆盖到/etc/telegraf/telegraf.conf文件，注意修改下面的$本机ip和$influxDB的ip参数（“$”去掉）
```
[global_tags]
[agent]
interval = "10s"
round_interval = true
metric_batch_size = 1000
  metric_buffer_limit = 10000
  collection_jitter = "0s"
  flush_interval = "10s"
  flush_jitter = "0s"
  precision = "0s"
  hostname = "$本机ip"
  omit_hostname = false
[[outputs.influxdb]]
  urls = ["http://$influxDB的ip:8086"]
  database = "telegraf"
  retention_policy = ""
  username = "admin"
  password = "11111"
[[inputs.cpu]]
  percpu = false
  totalcpu = true
  collect_cpu_time = false
 report_active = false
[[inputs.disk]]
[[inputs.diskio]]
[[inputs.mem]]
[[inputs.swap]]
[[inputs.system]]
   fielddrop = ["uptime_format"]
[[inputs.net]]
[[inputs.netstat]]
```
InfluxDB dashboards for telegraf metrics
{
  "__inputs": [
    {
      "name": "DS_TELEGRAF",
      "label": "Telegraf",
      "description": "手动在influxdb创建",
      "type": "datasource",
      "pluginId": "influxdb",
      "pluginName": "InfluxDB"
    }
  ],
  "__elements": [],
  "__requires": [
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "8.3.3"
    },
    {
      "type": "datasource",
      "id": "influxdb",
      "name": "InfluxDB",
      "version": "1.0.0"
    },
    {
      "type": "panel",
      "id": "stat",
      "name": "Stat",
      "version": ""
    },
    {
      "type": "panel",
      "id": "timeseries",
      "name": "Time series",
      "version": ""
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "description": "使用telegraf工具实现的Linux轻量级服务器性能监控，监控指标包含（运行时、配置信息、CPU、内存、磁盘、网络带宽）,支持服务器多选展示",
  "editable": true,
  "fiscalYearStartMonth": 0,
  "gnetId": 18121,
  "graphTooltip": 1,
  "id": null,
  "iteration": 1676595870136,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 65058,
      "panels": [],
      "title": "单机看板【IP地址：$host】",
      "type": "row"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "fixedColor": "semi-dark-green",
            "mode": "fixed"
          },
          "mappings": [
            {
              "options": {
                "match": "null",
                "result": {
                  "text": "N/A"
                }
              },
              "type": "special"
            }
          ],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "none"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 2,
        "x": 0,
        "y": 1
      },
      "id": 65081,
      "links": [],
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "auto",
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT mean(\"n_cpus\") AS \"mean_n_cpus\" FROM \"system\"  WHERE (\"host\" =~ /^$host$/) AND $timeFilter GROUP BY time($interval) fill(null) ",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "title": "CPU核心数",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "fixedColor": "dark-purple",
            "mode": "fixed"
          },
          "decimals": 0,
          "mappings": [
            {
              "options": {
                "match": "null",
                "result": {
                  "text": "N/A"
                }
              },
              "type": "special"
            }
          ],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "purple",
                "value": null
              }
            ]
          },
          "unit": "bytes"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 2,
        "y": 1
      },
      "id": 65099,
      "links": [],
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "auto",
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT mean(\"total\") FROM \"mem\" WHERE \"host\" =~ /^$host$/AND $timeFilter",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "title": "内存",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "fixedColor": "red",
            "mode": "fixed"
          },
          "decimals": 0,
          "mappings": [
            {
              "options": {
                "match": "null",
                "result": {
                  "text": "N/A"
                }
              },
              "type": "special"
            }
          ],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "s"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 5,
        "y": 1
      },
      "id": 65078,
      "links": [],
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "auto",
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "textMode": "auto"
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "groupBy": [
            {
              "params": [
                "$__interval"
              ],
              "type": "time"
            },
            {
              "params": [
                "null"
              ],
              "type": "fill"
            }
          ],
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT last(\"uptime\") AS \"value\" FROM \"system\" WHERE \"host\" =~ /$host$/ AND $timeFilter GROUP BY time($interval)",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "title": "Uptime",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 10,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineStyle": {
              "fill": "solid"
            },
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "decimals": 1,
          "mappings": [],
          "max": 100,
          "min": 0,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "percent"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "CPU"
            },
            "properties": [
              {
                "id": "color",
                "value": {
                  "fixedColor": "light-red",
                  "mode": "fixed"
                }
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "RAM"
            },
            "properties": [
              {
                "id": "color",
                "value": {
                  "fixedColor": "blue",
                  "mode": "fixed"
                }
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 10,
        "w": 8,
        "x": 8,
        "y": 1
      },
      "id": 65092,
      "links": [],
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "mean"
          ],
          "displayMode": "table",
          "placement": "bottom"
        },
        "tooltip": {
          "mode": "multi"
        }
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "alias": "CPU",
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "dsType": "influxdb",
          "function": "mean",
          "groupBy": [
            {
              "interval": "auto",
              "params": [
                "auto"
              ],
              "type": "time"
            },
            {
              "key": "host",
              "params": [
                "tag"
              ],
              "type": "tag"
            }
          ],
          "hide": false,
          "measurement": "cpu_percentageBusy",
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT 100-mean(\"usage_idle\") FROM \"cpu\" WHERE \"host\" =~ /^$host$/ AND $timeFilter GROUP BY time($interval) fill(null)",
          "rawQuery": true,
          "refId": "B",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        },
        {
          "alias": "RAM",
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "dsType": "influxdb",
          "function": "mean",
          "groupBy": [
            {
              "interval": "auto",
              "params": [
                "auto"
              ],
              "type": "time"
            },
            {
              "key": "host",
              "params": [
                "tag"
              ],
              "type": "tag"
            }
          ],
          "hide": false,
          "measurement": "cpu_percentageBusy",
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT mean(used_percent) FROM \"mem\" WHERE \"host\" =~ /^$host$/ AND $timeFilter GROUP BY time($interval) fill(null)",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "title": "CPU及内存使用率(%)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 10,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "decimals": 1,
          "mappings": [],
          "min": 0,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "Bps"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 10,
        "w": 8,
        "x": 16,
        "y": 1
      },
      "id": 42026,
      "links": [],
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "mean"
          ],
          "displayMode": "table",
          "placement": "bottom"
        },
        "tooltip": {
          "mode": "multi"
        }
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "alias": "Received：$tag_interface",
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "dsType": "influxdb",
          "function": "derivative",
          "groupBy": [
            {
              "interval": "auto",
              "params": [
                "auto"
              ],
              "type": "time"
            },
            {
              "key": "host",
              "params": [
                "tag"
              ],
              "type": "tag"
            },
            {
              "key": "interface",
              "params": [
                "tag"
              ],
              "type": "tag"
            }
          ],
          "measurement": "net_bytes_recv",
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(bytes_recv),1s)  FROM \"net\" WHERE host =~ /$host/  AND interface !='all'  AND $timeFilter GROUP BY time($interval), *",
          "rawQuery": true,
          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        },
        {
          "alias": "Sent：$tag_interface",
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "dsType": "influxdb",
          "function": "derivative",
          "groupBy": [
            {
              "interval": "auto",
              "params": [
                "auto"
              ],
              "type": "time"
            },
            {
              "key": "host",
              "params": [
                "tag"
              ],
              "type": "tag"
            },
            {
              "key": "interface",
              "params": [
                "tag"
              ],
              "type": "tag"
            }
          ],
          "measurement": "net_bytes_recv",
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(mean(bytes_sent),1s) FROM \"net\" WHERE host =~ /$host/  AND interface !='all'  AND $timeFilter GROUP BY time($interval), *",
          "rawQuery": true,
          "refId": "B",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "title": "网络吞吐量(Bytes)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 10,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "decimals": 0,
          "mappings": [],
          "max": 100,
          "min": 0,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "percent"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 7,
        "w": 8,
        "x": 0,
        "y": 4
      },
      "id": 56720,
      "links": [],
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "mean"
          ],
          "displayMode": "table",
          "placement": "bottom"
        },
        "tooltip": {
          "mode": "multi"
        }
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "alias": "$tag_name",
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_TELEGRAF}"
          },
          "dsType": "influxdb",
          "function": "mean",
          "groupBy": [
            {
              "interval": "auto",
              "params": [
                "auto"
              ],
              "type": "time"
            },
            {
              "key": "host",
              "params": [
                "tag"
              ],
              "type": "tag"
            },
            {
              "key": "path",
              "params": [
                "tag"
              ],
              "type": "tag"
            }
          ],
          "measurement": "io_reads",
          "orderByTime": "ASC",
          "policy": "default",
          "query": "SELECT non_negative_derivative(last(\"io_time\"),1ms)*100  FROM \"diskio\" WHERE \"host\" =~ /$host$/ AND $timeFilter GROUP BY time($interval), *",
          "rawQuery": true,
          "refId": "B",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "value"
                ],
                "type": "field"
              },
              {
                "params": [],
                "type": "mean"
              }
            ]
          ],
          "tags": []
        }
      ],
      "title": "磁盘负载率(%)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "influxdb",
        "uid": "${DS_TELEGRAF}"
      },
      "description": "",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 10,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "decimals": 1,
          "mappings": [],
          "max": 100,
          "min": 0,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
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