apiVersion: v1
kind: ConfigMap
metadata:
  name: postgres-dashboard
  namespace: observability
  labels:
    grafana_dashboard: "1"
data:
  postgres.json: |
    {
      "annotations": { "list": [] },
      "editable": true,
      "graphTooltip": 1,
      "id": null,
      "links": [],
      "panels": [
        {
          "title": "Active Connections",
          "type": "timeseries",
          "gridPos": { "h": 8, "w": 12, "x": 0, "y": 0 },
          "targets": [
            {
              "expr": "cnpg_backends_total",
              "legendFormat": "{{ pod }}"
            }
          ]
        },
        {
          "title": "Transactions per Second",
          "type": "timeseries",
          "gridPos": { "h": 8, "w": 12, "x": 12, "y": 0 },
          "targets": [
            {
              "expr": "rate(cnpg_pg_stat_database_xact_commit{datname=\"homelab\"}[5m])",
              "legendFormat": "commits {{ pod }}"
            },
            {
              "expr": "rate(cnpg_pg_stat_database_xact_rollback{datname=\"homelab\"}[5m])",
              "legendFormat": "rollbacks {{ pod }}"
            }
          ],
          "fieldConfig": {
            "defaults": { "unit": "ops" }
          }
        },
        {
          "title": "Replication Lag (bytes)",
          "type": "timeseries",
          "gridPos": { "h": 8, "w": 12, "x": 0, "y": 8 },
          "targets": [
            {
              "expr": "cnpg_pg_replication_lag",
              "legendFormat": "{{ pod }}"
            }
          ],
          "fieldConfig": {
            "defaults": { "unit": "bytes" }
          }
        },
        {
          "title": "Database Size",
          "type": "stat",
          "gridPos": { "h": 8, "w": 12, "x": 12, "y": 8 },
          "targets": [
            {
              "expr": "cnpg_pg_database_size_bytes{datname=\"homelab\"}",
              "legendFormat": "{{ pod }}"
            }
          ],
          "fieldConfig": {
            "defaults": { "unit": "bytes" }
          }
        }
      ],
      "schemaVersion": 39,
      "tags": ["homelab", "postgres", "cnpg"],
      "templating": { "list": [] },
      "time": { "from": "now-6h", "to": "now" },
      "title": "PostgreSQL (CloudNativePG)",
      "uid": "postgres-cnpg"
    }