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  3. Grafana で snmp_exporter で出力した YAMAHA RTX-1200 のメトリクスをグラフ化する

Grafana で snmp_exporter で出力した YAMAHA RTX-1200 のメトリクスをグラフ化する

コンピュータ
当ページのリンクには広告が含まれています。

Grafanaで YAMAHAルーターRTX-1200の基本的情報を取得

Grafanaで YAMAHAルーター
RTX-1200の基本的情報を取得する

目次

snmp_exporter（v0.29.0） 設定ファイル生成用 generator.yml

先日テストした generator.yml に取得したいデータを追加していったのが以下です。

auths:
  yamaha_rt_v1_auth: # v2用の認証情報
    version: 1
    community: community # SNMPコミュニティ名を適切に設定

modules:
  rtx120:
    walk:
      - ifInOctets
      - ifOutOctets
      - yrhCpuUtil5sec
      - yrfUpTime
      - yrhMemoryUtil
      - yrhInboxTemperature

こちらの設定ファイルを元に、snmp.yml を生成しました。YAMAHA用のプライベートMIBは、実行ファイルと同じディレクトリ以下に、yamaha-private-mib を作成してこの中にコピー、明示的に標準のMIBファイル群のディレクトリとあわせて、-m オプションで指定しています。これで実行ディレクトリにsnmp.ymlが生成されます。

YAMAHAの最新の MIBSファイル群はこちらからダウンロードして展開します。

$ ./generator -m "./yamaha-private-mib:/usr/share/snmp/mibs" generate
$ cat snmp.yml
# WARNING: This file was auto-generated using snmp_exporter generator, manual changes will be lost.
auths:
  yamaha_rt_v1_auth:
    community: community 
    security_level: noAuthNoPriv
    auth_protocol: MD5
    priv_protocol: DES
    version: 1
modules:
  rtx120:
    walk:
    - 1.3.6.1.2.1.2.2.1.10
    - 1.3.6.1.2.1.2.2.1.16
    get:
    - 1.3.6.1.4.1.1182.2.1.15.0
    - 1.3.6.1.4.1.1182.2.1.4.0
    - 1.3.6.1.4.1.1182.2.1.5.0
    - 1.3.6.1.4.1.1182.2.2.4.0
    metrics:
    - name: ifInOctets
      oid: 1.3.6.1.2.1.2.2.1.10
      type: counter
      help: The total number of octets received on the interface, including framing
        characters - 1.3.6.1.2.1.2.2.1.10
      indexes:
      - labelname: ifIndex
        type: gauge
    - name: ifOutOctets
      oid: 1.3.6.1.2.1.2.2.1.16
      type: counter
      help: The total number of octets transmitted out of the interface, including
        framing characters - 1.3.6.1.2.1.2.2.1.16
      indexes:
      - labelname: ifIndex
        type: gauge
    - name: yrhInboxTemperature
      oid: 1.3.6.1.4.1.1182.2.1.15
      type: gauge
      help: A temperature in the box. - 1.3.6.1.4.1.1182.2.1.15
    - name: yrhMemoryUtil
      oid: 1.3.6.1.4.1.1182.2.1.4
      type: gauge
      help: The utilization in percentage of main memory. - 1.3.6.1.4.1.1182.2.1.4
    - name: yrhCpuUtil5sec
      oid: 1.3.6.1.4.1.1182.2.1.5
      type: gauge
      help: The average utilization of CPU in 5 seconds. - 1.3.6.1.4.1.1182.2.1.5
    - name: yrfUpTime
      oid: 1.3.6.1.4.1.1182.2.2.4
      type: gauge
      help: The time (in hundredths of a second) since the network management portion
        of the system was last re-initialized - 1.3.6.1.4.1.1182.2.2.4

snmp.yml ができるので、現在使用している synology NAS用の設定が書かれている /etc/snmp_exporter/snmp.yml に追加してやりました。本体は設定ファイルの加工は非推奨ですが、小規模な内容なので手動修正で問題ありませんでした。

最後にsnmp_exporterは忘れずサービス再起動しておきます。

$ sudo systemctl restart snmp_exporter
$ sudo systemctl status snmp_exporter
● snmp_exporter.service - Prometheus SNMP Exporter
   Loaded: loaded (/etc/systemd/system/snmp_exporter.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2025-12-08 13:12:34 JST; 1 day 19h ago
 Main PID: 1353964 (snmp_exporter)
    Tasks: 11 (limit: 23210)
   Memory: 21.0M
   CGroup: /system.slice/snmp_exporter.service
           └─1353964 /usr/local/bin/snmp_exporter --config.file=/etc/snmp_exporter/snmp.yml

Grafana ダッシュボード用JSONデータ

snmp_exporterで出力したデータをPrometheus経由でGrafanaに取り込みます。CPU、メモリー、LAN1、LAN2のトラフィック、本体筐体温度を集計します。

私の環境ではLAN2をWANポートとして使用しています。

取り込むダッシュボード用のJSONデータは以下です。おかしい部分は適切に加工してください。

{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "grafana",
          "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"
      }
    ]
  },
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
  "id": 5,
  "links": [],
  "panels": [
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "fixedColor": "blue",
            "mode": "fixed"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": 0
              }
            ]
          },
          "unit": "dtdhms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 6,
        "x": 0,
        "y": 0
      },
      "id": 18,
      "options": {
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "auto",
        "orientation": "auto",
        "percentChangeColorMode": "standard",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showPercentChange": false,
        "textMode": "auto",
        "wideLayout": true
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "yrfUpTime / 100",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Uptime",
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "max": 100,
          "min": 0,
          "thresholds": {
            "mode": "percentage",
            "steps": [
              {
                "color": "green",
                "value": 0
              },
              {
                "color": "#EAB839",
                "value": 80
              },
              {
                "color": "red",
                "value": 90
              }
            ]
          },
          "unit": "percent"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "{__name__=\"yrhMultiCpuUtil5sec\", instance=\"192.168.15.1\", job=\"snmp-rtx1200\", name=\"rtx1200\", vendor=\"yamaha\", yrhMultiCpuIndex=\"1\"}"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "CPU 0"
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "{__name__=\"yrhMultiCpuUtil5sec\", instance=\"192.168.15.1\", job=\"snmp-rtx1200\", name=\"rtx1200\", vendor=\"yamaha\", yrhMultiCpuIndex=\"2\"}"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "CPU 1"
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "{__name__=\"yrhMultiCpuUtil5sec\", instance=\"192.168.15.1\", job=\"snmp-rtx1200\", name=\"rtx1200\", vendor=\"yamaha\", yrhMultiCpuIndex=\"3\"}"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "CPU 2"
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "{__name__=\"yrhMultiCpuUtil5sec\", instance=\"192.168.15.1\", job=\"snmp-rtx1200\", name=\"rtx1200\", vendor=\"yamaha\", yrhMultiCpuIndex=\"4\"}"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "CPU 4"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 18,
        "x": 6,
        "y": 0
      },
      "id": 8,
      "options": {
        "minVizHeight": 75,
        "minVizWidth": 75,
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showThresholdLabels": false,
        "showThresholdMarkers": true,
        "sizing": "auto"
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "yrhCpuUtil5sec",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "CPU Utlization",
      "type": "gauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "showValues": false,
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "max": 100,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": 0
              }
            ]
          },
          "unit": "percent"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "yrhCpuUtil5sec"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "CPU 5s Usage"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 8
      },
      "id": 11,
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "last"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "hideZeros": false,
          "mode": "single",
          "sort": "none"
        }
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "yrhCpuUtil5sec",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "CPU Utlization",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "showValues": false,
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "max": 100,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": 0
              }
            ]
          },
          "unit": "percent"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "yrhMemoryUtil"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "RTX 1200 Memory Usage"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 8
      },
      "id": 10,
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "last"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "hideZeros": false,
          "mode": "single",
          "sort": "none"
        }
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "yrhMemoryUtil",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Memory Utlization",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "showValues": false,
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": 0
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "Bps"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byFrameRefID",
              "options": "A"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "In"
              }
            ]
          },
          {
            "matcher": {
              "id": "byFrameRefID",
              "options": "B"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "Out"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 16
      },
      "id": 19,
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "last"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "hideZeros": false,
          "mode": "single",
          "sort": "none"
        }
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "exemplar": false,
          "expr": "rate(ifInOctets{ifIndex=\"2\"}[1m]) * 8",
          "format": "time_series",
          "instant": false,
          "interval": "",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "rate(ifOutOctets{ifIndex=\"2\"}[1m]) * 8",
          "hide": false,
          "legendFormat": "__auto",
          "range": true,
          "refId": "B"
        }
      ],
      "title": "Traffic (WAN)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "showValues": false,
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": 0
              }
            ]
          },
          "unit": "Bps"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byFrameRefID",
              "options": "A"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "In"
              }
            ]
          },
          {
            "matcher": {
              "id": "byFrameRefID",
              "options": "B"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "Out"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 16
      },
      "id": 20,
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "last"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "hideZeros": false,
          "mode": "single",
          "sort": "none"
        }
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "exemplar": false,
          "expr": "rate(ifInOctets{ifIndex=\"1\"}[1m]) * 8",
          "format": "time_series",
          "instant": false,
          "interval": "",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "rate(ifOutOctets{ifIndex=\"1\"}[1m]) * 8",
          "hide": false,
          "legendFormat": "__auto",
          "range": true,
          "refId": "B"
        }
      ],
      "title": "Traffic (LAN)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "cf6667qjd5hc0e"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "showValues": false,
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": 0
              }
            ]
          },
          "unit": "none"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "yrhInboxTemperature"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "Temperature"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 24
      },
      "id": 21,
      "options": {
        "legend": {
          "calcs": [
            "min",
            "max",
            "last"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "hideZeros": false,
          "mode": "single",
          "sort": "none"
        }
      },
      "pluginVersion": "12.3.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "cf6667qjd5hc0e"
          },
          "editorMode": "builder",
          "expr": "yrhInboxTemperature",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Inbox Temperature",
      "type": "timeseries"
    }
  ],
  "preload": false,
  "refresh": "1m",
  "schemaVersion": 42,
  "tags": [
    "Router"
  ],
  "templating": {
    "list": []
  },
  "time": {
    "from": "now-24h",
    "to": "now"
  },
  "timepicker": {},
  "timezone": "Asia/Tokyo",
  "title": "rtx1200",
  "uid": "eEntLKSVz2",
  "version": 13,
  "weekStart": "sunday"
}

SNMPのデータも良い感じに管理できるようになりました

まずはRTX-1200のデータを可視化してみましたが、他にもRTX-830も設置してあるので、そちら用のダッシュボードも後日作成予定です。RTX-830については本体筐体の温度取得ができないようなので、よりシンプルな構成になりますね。

ヤマハ ギガアクセスVPNルーター RTX1200
created by Rinker
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Prometheus Grafana snmp_exporter Linux YAMAHA 作業記録 RockyLinux
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