apiVersion: v1
kind: ConfigMap
metadata:
  name: grafana-dashboard-k8s-overview
  namespace: observability
  labels:
    grafana_dashboard: "1"
data:
  k8s-overview.json: |
    {
      "annotations": {"list": []},
      "editable": true,
      "fiscalYearStartMonth": 0,
      "graphTooltip": 0,
      "id": null,
      "links": [],
      "panels": [
        {
          "datasource": {"type": "prometheus", "uid": "${DS_PROMETHEUS}"},
          "fieldConfig": {"defaults": {"unit": "none"}, "overrides": []},
          "gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
          "id": 1,
          "options": {"reduceOptions": {"calcs": ["lastNotNull"], "fields": "", "values": false}, "textMode": "auto"},
          "targets": [
            {
              "expr": "count(kube_node_status_condition{condition=\"Ready\",status=\"true\"})",
              "legendFormat": "ready",
              "refId": "A"
            }
          ],
          "title": "Ready Nodes",
          "type": "stat"
        },
        {
          "datasource": {"type": "prometheus", "uid": "${DS_PROMETHEUS}"},
          "fieldConfig": {"defaults": {"unit": "percentunit"}, "overrides": []},
          "gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
          "id": 2,
          "targets": [
            {
              "expr": "1 - avg(rate(node_cpu_seconds_total{mode=\"idle\"}[5m]))",
              "legendFormat": "cpu",
              "refId": "A"
            }
          ],
          "title": "Cluster CPU Usage",
          "type": "timeseries"
        }
      ],
      "refresh": "30s",
      "schemaVersion": 39,
      "style": "dark",
      "tags": ["kubernetes", "infrastructure"],
      "templating": {"list": []},
      "time": {"from": "now-1h", "to": "now"},
      "timezone": "browser",
      "title": "K8s Cluster Overview",
      "uid": "k8s-cluster-overview",
      "version": 1
    }
