Grafana dashboard: Central Operations Dash - NUC
Description: Inspired by A LOT of others, this is my go-to-dash.
Change the $node variable as I use this for Node-exporters 'nuc'.
A collection of Node-Exporter, Cadvisor and Prometheus.


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      "label": "Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
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    {
      "type": "panel",
      "id": "graph",
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      "version": ""
    },
    {
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      "id": "prometheus",
      "name": "Prometheus",
      "version": "1.0.0"
    },
    {
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      "id": "singlestat",
      "name": "Singlestat",
      "version": ""
    },
    {
      "type": "panel",
      "id": "table",
      "name": "Table",
      "version": ""
    }
  ],
  "annotations": {
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      {
        "$$hashKey": "object:37755",
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
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      }
    ]
  },
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  "editable": true,
  "gnetId": 12347,
  "graphTooltip": 0,
  "id": null,
  "iteration": 1590234634344,
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      "includeVars": false,
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        "$node"
      ],
      "targetBlank": true,
      "title": "Server IP：$node",
      "type": "link",
      "url": ""
    }
  ],
  "panels": [
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      },
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        {
          "expr": "sum(time() - node_boot_time_seconds{instance=\"$node\"})",
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          "hide": false,
          "instant": true,
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          "step": 40
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      ],
      "thresholds": "1,2",
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      "valueFontSize": "50%",
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          "colorMode": null,
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          ],
          "dateFormat": "YYYY-MM-DD HH:mm:ss",
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          ],
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          "decimals": 2,
          "pattern": "/.*/",
          "preserveFormat": true,
          "sanitize": false,
          "thresholds": [],
          "type": "hidden",
          "unit": "short"
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      ],
      "targets": [
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          "format": "table",
          "hide": false,
          "instant": true,
          "interval": "",
          "intervalFactor": 1,
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          "expr": "node_filesystem_avail_bytes {instance=\"$node\",fstype=~\"ext4|xfs\"}-0",
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          "instant": true,
          "interval": "10s",
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          "legendFormat": "",
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        },
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          "expr": "1-(node_filesystem_free_bytes{instance=\"$node\",fstype=~\"ext4|xfs\"} / node_filesystem_size_bytes{instance=\"$node\",fstype=~\"ext4|xfs\"})",
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          "hide": false,
          "instant": true,
          "interval": "",
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          "legendFormat": "",
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        }
      ],
      "title": "Storage Overview",
      "transform": "table",
      "type": "table"
    },
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      "colorValue": true,
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        "#299c46",
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          "expr": "count(container_last_seen{image!=\"\"})",
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      "tableColumn": "",
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        {
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