{
  "uid": "node",
  "title": "Node overview",
  "schemaVersion": 39,
  "time": { "from": "now-24h", "to": "now" },
  "refresh": "1m",
  "templating": {
    "list": [
      {
        "name": "host",
        "type": "query",
        "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
        "query": { "query": "label_values(host_uptime, host)", "refId": "host" },
        "refresh": 2,
        "includeAll": true,
        "multi": true,
        "current": { "text": "All", "value": "$__all" }
      }
    ]
  },
  "panels": [
    {
      "id": 1,
      "type": "timeseries",
      "title": "CPU used",
      "gridPos": { "x": 0, "y": 0, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1 } },
      "targets": [
        {
          "refId": "A",
          "expr": "1 - avg by (host) (rate(host_cpu_seconds_total{mode=\"idle\", host=~\"$host\"}[$__rate_interval]))",
          "legendFormat": "{{host}}"
        }
      ]
    },
    {
      "id": 2,
      "type": "timeseries",
      "title": "Memory used",
      "gridPos": { "x": 12, "y": 0, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "fieldConfig": { "defaults": { "unit": "percentunit", "min": 0, "max": 1 } },
      "targets": [
        {
          "refId": "A",
          "expr": "1 - host_memory_available_bytes{host=~\"$host\"} / host_memory_total_bytes{host=~\"$host\"}",
          "legendFormat": "{{host}}"
        }
      ]
    },
    {
      "id": 3,
      "type": "timeseries",
      "title": "Load (1m)",
      "gridPos": { "x": 0, "y": 8, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "targets": [
        { "refId": "A", "expr": "host_load1{host=~\"$host\"}", "legendFormat": "{{host}}" }
      ]
    },
    {
      "id": 4,
      "type": "bargauge",
      "title": "Filesystems used",
      "gridPos": { "x": 12, "y": 8, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "fieldConfig": {
        "defaults": {
          "unit": "percentunit",
          "min": 0,
          "max": 1,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null },
              { "color": "orange", "value": 0.8 },
              { "color": "red", "value": 0.9 }
            ]
          }
        }
      },
      "options": { "displayMode": "basic", "orientation": "horizontal" },
      "targets": [
        {
          "refId": "A",
          "expr": "max by (host, mountpoint) (host_filesystem_used_ratio{host=~\"$host\"})",
          "legendFormat": "{{host}} {{mountpoint}}",
          "instant": true
        }
      ]
    },
    {
      "id": 5,
      "type": "timeseries",
      "title": "Network",
      "gridPos": { "x": 0, "y": 16, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "fieldConfig": { "defaults": { "unit": "Bps" } },
      "targets": [
        {
          "refId": "A",
          "expr": "sum by (host) (rate(host_network_receive_bytes_total{host=~\"$host\", device!=\"lo\"}[$__rate_interval]))",
          "legendFormat": "{{host}} rx"
        },
        {
          "refId": "B",
          "expr": "-sum by (host) (rate(host_network_transmit_bytes_total{host=~\"$host\", device!=\"lo\"}[$__rate_interval]))",
          "legendFormat": "{{host}} tx"
        }
      ]
    },
    {
      "id": 6,
      "type": "timeseries",
      "title": "Disk I/O",
      "gridPos": { "x": 12, "y": 16, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "fieldConfig": { "defaults": { "unit": "Bps" } },
      "targets": [
        {
          "refId": "A",
          "expr": "sum by (host) (rate(host_disk_read_bytes_total{host=~\"$host\"}[$__rate_interval]))",
          "legendFormat": "{{host}} read"
        },
        {
          "refId": "B",
          "expr": "-sum by (host) (rate(host_disk_written_bytes_total{host=~\"$host\"}[$__rate_interval]))",
          "legendFormat": "{{host}} write"
        }
      ]
    },
    {
      "id": 7,
      "type": "table",
      "title": "superconfig revision",
      "gridPos": { "x": 0, "y": 24, "w": 12, "h": 8 },
      "datasource": { "type": "victoriametrics-metrics-datasource", "uid": "victoriametrics" },
      "options": { "sortBy": [{ "displayName": "host", "desc": false }] },
      "targets": [
        {
          "refId": "A",
          "expr": "max by (host, revision_short) (nixos_system_info{host=~\"$host\"})",
          "format": "table",
          "instant": true
        }
      ],
      "transformations": [
        { "id": "organize", "options": { "excludeByName": { "Time": true, "Value": true } } }
      ]
    }
  ]
}