122 lines
4.6 KiB
YAML
122 lines
4.6 KiB
YAML
# k8s/monitoring/dashboards/hardware-overview.yaml
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# Trimmed operator at-a-glance view across all nodes — node-exporter already
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# powers the deep-dive "Node Exporter Full" (#1860, see grafana-values.yaml),
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# this is the quick health-check version, not a replacement for it.
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: hardware-overview-dashboard
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namespace: logging
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labels:
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grafana_dashboard: "1"
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data:
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hardware-overview.json: |
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{
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"title": "Hardware Statistics (Operator Overview)",
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"uid": "hardware-overview",
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"schemaVersion": 39,
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"timezone": "browser",
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"time": { "from": "now-6h", "to": "now" },
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"refresh": "30s",
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"panels": [
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{
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"id": 1,
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"title": "Nodes up / down",
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"type": "stat",
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"gridPos": { "h": 5, "w": 24, "x": 0, "y": 0 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": {
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"defaults": {
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"mappings": [
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{ "type": "value", "options": { "0": { "text": "DOWN", "color": "red" } } },
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{ "type": "value", "options": { "1": { "text": "UP", "color": "green" } } }
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]
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}
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},
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"targets": [
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{ "expr": "up{job=~\".*node-exporter.*\"}", "legendFormat": "{{instance}}" }
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]
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},
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{
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"id": 2,
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"title": "CPU usage % by node",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 5 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percent", "max": 100, "min": 0 } },
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"targets": [
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{
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"expr": "(1 - avg(rate(node_cpu_seconds_total{mode=\"idle\"}[5m])) by (instance)) * 100",
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"legendFormat": "{{instance}}"
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}
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]
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},
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{
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"id": 3,
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"title": "Memory usage % by node",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 5 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percent", "max": 100, "min": 0 } },
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"targets": [
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{
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"expr": "(1 - node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) * 100",
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"legendFormat": "{{instance}}"
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}
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]
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},
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{
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"id": 4,
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"title": "Root filesystem usage % by node",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 13 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "percent", "max": 100, "min": 0 } },
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"targets": [
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{
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"expr": "(1 - node_filesystem_avail_bytes{mountpoint=\"/\"} / node_filesystem_size_bytes{mountpoint=\"/\"}) * 100",
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"legendFormat": "{{instance}}"
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}
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]
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},
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{
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"id": 5,
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"title": "Root filesystem space remaining",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 13 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"fieldConfig": { "defaults": { "unit": "bytes" } },
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"targets": [
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{
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"expr": "node_filesystem_avail_bytes{mountpoint=\"/\"}",
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"legendFormat": "{{instance}}"
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}
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]
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},
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{
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"id": 6,
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"title": "Network errors/drops by node",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 21 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"targets": [
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{ "expr": "rate(node_network_receive_errs_total[5m])", "legendFormat": "{{instance}} rx errs" },
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{ "expr": "rate(node_network_transmit_errs_total[5m])", "legendFormat": "{{instance}} tx errs" },
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{ "expr": "rate(node_network_receive_drop_total[5m])", "legendFormat": "{{instance}} rx drops" },
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{ "expr": "rate(node_network_transmit_drop_total[5m])", "legendFormat": "{{instance}} tx drops" }
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]
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},
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{
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"id": 7,
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"title": "Load average (1m / 5m) by node",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 21 },
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"datasource": { "type": "prometheus", "uid": "prometheus" },
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"targets": [
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{ "expr": "node_load1", "legendFormat": "{{instance}} load1" },
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{ "expr": "node_load5", "legendFormat": "{{instance}} load5" }
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]
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}
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]
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}
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