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homelab-gitops/dashboards/grafana/systems-dashboard.json

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{
"annotations": {
"list": []
},
"editable": true,
"fiscalYearStartMonth": 0,
"graphTooltip": 1,
"id": null,
"links": [],
"liveNow": false,
"panels": [
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 0
},
"id": 100,
"title": "\ud83d\udda5\ufe0f Systems Fleet Overview & Capacity",
"type": "row"
},
{
"id": 1,
"title": "Online Node Exporters",
"type": "stat",
"gridPos": {
"h": 4,
"w": 6,
"x": 0,
"y": 1
},
"datasource": "Prometheus",
"targets": [
{
"expr": "count(node_load1)",
"legendFormat": "{{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
},
"unit": "none"
}
},
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "center"
}
},
{
"id": 2,
"title": "Avg Cluster CPU Load (1m)",
"type": "stat",
"gridPos": {
"h": 4,
"w": 6,
"x": 6,
"y": 1
},
"datasource": "Prometheus",
"targets": [
{
"expr": "avg(node_load1)",
"legendFormat": "{{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "blue",
"value": null
}
]
},
"unit": "none"
}
},
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "center"
}
},
{
"id": 3,
"title": "Total Monitored RAM",
"type": "stat",
"gridPos": {
"h": 4,
"w": 6,
"x": 12,
"y": 1
},
"datasource": "Prometheus",
"targets": [
{
"expr": "sum(node_memory_MemTotal_bytes)",
"legendFormat": "{{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "purple",
"value": null
}
]
},
"unit": "bytes"
}
},
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "center"
}
},
{
"id": 4,
"title": "Fleet RAM In-Use %",
"type": "stat",
"gridPos": {
"h": 4,
"w": 6,
"x": 18,
"y": 1
},
"datasource": "Prometheus",
"targets": [
{
"expr": "(1 - (sum(node_memory_MemAvailable_bytes) / sum(node_memory_MemTotal_bytes))) * 100",
"legendFormat": "{{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "orange",
"value": null
}
]
},
"unit": "percent"
}
},
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "center"
}
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 5
},
"id": 200,
"title": "\u26a1 CPU Load & Core Utilization",
"type": "row"
},
{
"id": 5,
"title": "CPU Utilization by Host (%)",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 6
},
"datasource": "Prometheus",
"targets": [
{
"expr": "100 - (avg by (instance, cluster) (rate(node_cpu_seconds_total{mode='idle'}[2m])) * 100)",
"legendFormat": "{{cluster}} - {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "percent"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"id": 6,
"title": "1-Minute Load Average by Host",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 6
},
"datasource": "Prometheus",
"targets": [
{
"expr": "node_load1",
"legendFormat": "{{cluster}} - {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "none"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 14
},
"id": 300,
"title": "\ud83e\udde0 Memory Consumption & Free Capacity",
"type": "row"
},
{
"id": 7,
"title": "Memory Used % by Host",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 15
},
"datasource": "Prometheus",
"targets": [
{
"expr": "(1 - (node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes)) * 100",
"legendFormat": "{{cluster}} - {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "percent"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"id": 8,
"title": "Available RAM by Host (GiB)",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 15
},
"datasource": "Prometheus",
"targets": [
{
"expr": "node_memory_MemAvailable_bytes",
"legendFormat": "{{cluster}} - {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "bytes"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 23
},
"id": 400,
"title": "\ud83d\udcbe Filesystem & Disk I/O Performance",
"type": "row"
},
{
"id": 9,
"title": "Root (/) Filesystem Usage %",
"type": "bargauge",
"gridPos": {
"h": 8,
"w": 8,
"x": 0,
"y": 24
},
"datasource": "Prometheus",
"targets": [
{
"expr": "(1 - (node_filesystem_avail_bytes{mountpoint='/'} / node_filesystem_size_bytes{mountpoint='/'})) * 100",
"legendFormat": "{{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "yellow",
"value": 75
},
{
"color": "red",
"value": 90
}
]
},
"unit": "percent",
"min": 0,
"max": 100
}
},
"options": {
"displayMode": "gradient",
"orientation": "horizontal",
"showUnfilled": true
}
},
{
"id": 10,
"title": "Disk Read Throughput (Bytes/sec)",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 8,
"x": 8,
"y": 24
},
"datasource": "Prometheus",
"targets": [
{
"expr": "sum by (instance) (rate(node_disk_read_bytes_total[2m]))",
"legendFormat": "Read {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "Bps"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"id": 11,
"title": "Disk Write Throughput (Bytes/sec)",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 8,
"x": 16,
"y": 24
},
"datasource": "Prometheus",
"targets": [
{
"expr": "sum by (instance) (rate(node_disk_written_bytes_total[2m]))",
"legendFormat": "Write {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "Bps"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"collapsed": false,
"gridPos": {
"h": 1,
"w": 24,
"x": 0,
"y": 32
},
"id": 500,
"title": "\ud83c\udf10 Network Throughput (RX / TX)",
"type": "row"
},
{
"id": 12,
"title": "Host Network Receive (RX)",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 33
},
"datasource": "Prometheus",
"targets": [
{
"expr": "sum by (instance) (rate(node_network_receive_bytes_total{device!~'lo|veth.*|flannel.*|cali.*'}[2m]))",
"legendFormat": "RX {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "Bps"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
},
{
"id": 13,
"title": "Host Network Transmit (TX)",
"type": "timeseries",
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 33
},
"datasource": "Prometheus",
"targets": [
{
"expr": "sum by (instance) (rate(node_network_transmit_bytes_total{device!~'lo|veth.*|flannel.*|cali.*'}[2m]))",
"legendFormat": "TX {{instance}}",
"refId": "A"
}
],
"fieldConfig": {
"defaults": {
"custom": {
"drawStyle": "line",
"lineInterpolation": "smooth",
"lineWidth": 2,
"fillOpacity": 15
},
"unit": "Bps"
}
},
"options": {
"tooltip": {
"mode": "multi",
"sort": "desc"
}
}
}
],
"refresh": "10s",
"schemaVersion": 39,
"tags": [
"infrastructure",
"systems",
"snarfnet",
"node-exporter"
],
"templating": {
"list": []
},
"time": {
"from": "now-1h",
"to": "now"
},
"timepicker": {},
"timezone": "browser",
"title": "\ud83d\udda5\ufe0f Systems & Cluster Host Performance",
"uid": "snarfnet-systems"
}