{
  "uid": "homelab-host-overview",
  "title": "Homelab / Host Overview",
  "tags": ["homelab", "node-exporter", "glances-replacement"],
  "timezone": "browser",
  "schemaVersion": 39,
  "version": 1,
  "refresh": "30s",
  "time": {
    "from": "now-6h",
    "to": "now"
  },
  "panels": [
    {
      "id": 1,
      "type": "timeseries",
      "title": "CPU usage",
      "datasource": "Prometheus",
      "gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
      "targets": [
        {
          "refId": "A",
          "expr": "100 - (avg(rate(node_cpu_seconds_total{mode=\"idle\"}[5m])) * 100)",
          "legendFormat": "CPU"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "percent", "min": 0, "max": 100}, "overrides": []}
    },
    {
      "id": 2,
      "type": "timeseries",
      "title": "Memory usage",
      "datasource": "Prometheus",
      "gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
      "targets": [
        {
          "refId": "A",
          "expr": "100 * (1 - (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes))",
          "legendFormat": "Memory"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "percent", "min": 0, "max": 100}, "overrides": []}
    },
    {
      "id": 3,
      "type": "timeseries",
      "title": "Filesystem usage",
      "datasource": "Prometheus",
      "gridPos": {"h": 9, "w": 12, "x": 0, "y": 8},
      "targets": [
        {
          "refId": "A",
          "expr": "100 * (1 - node_filesystem_avail_bytes{fstype!~\"tmpfs|overlay\"} / node_filesystem_size_bytes{fstype!~\"tmpfs|overlay\"})",
          "legendFormat": "{{mountpoint}}"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "percent", "min": 0, "max": 100}, "overrides": []},
      "options": {"legend": {"displayMode": "list", "placement": "bottom"}}
    },
    {
      "id": 4,
      "type": "timeseries",
      "title": "Network throughput",
      "datasource": "Prometheus",
      "gridPos": {"h": 9, "w": 12, "x": 12, "y": 8},
      "targets": [
        {
          "refId": "A",
          "expr": "rate(node_network_receive_bytes_total{device!~\"lo|veth.*|br-.*|docker.*\"}[5m])",
          "legendFormat": "{{device}} RX"
        },
        {
          "refId": "B",
          "expr": "rate(node_network_transmit_bytes_total{device!~\"lo|veth.*|br-.*|docker.*\"}[5m])",
          "legendFormat": "{{device}} TX"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "Bps"}, "overrides": []},
      "options": {"legend": {"displayMode": "list", "placement": "bottom"}}
    },
    {
      "id": 5,
      "type": "timeseries",
      "title": "Disk IO",
      "datasource": "Prometheus",
      "gridPos": {"h": 8, "w": 24, "x": 0, "y": 17},
      "targets": [
        {
          "refId": "A",
          "expr": "rate(node_disk_read_bytes_total[5m])",
          "legendFormat": "{{device}} read"
        },
        {
          "refId": "B",
          "expr": "rate(node_disk_written_bytes_total[5m])",
          "legendFormat": "{{device}} write"
        }
      ],
      "fieldConfig": {"defaults": {"unit": "Bps"}, "overrides": []}
    }
  ]
}