{
  "annotations": {"list": []},
  "editable": false,
  "graphTooltip": 1,
  "panels": [
    {
      "datasource": {"type": "prometheus", "uid": "prometheus"},
      "fieldConfig": {"defaults": {"unit": "reqps"}},
      "gridPos": {"h": 8, "w": 8, "x": 0, "y": 0},
      "id": 1,
      "targets": [{"expr": "sum by (version) (rate(nereus_http_requests_total{path=~\"/api/v1/.*\",version=~\"$version\"}[1m]))", "legendFormat": "{{version}}", "refId": "A"}],
      "title": "API request rate",
      "type": "timeseries"
    },
    {
      "datasource": {"type": "prometheus", "uid": "prometheus"},
      "fieldConfig": {"defaults": {"unit": "percentunit", "min": 0, "max": 1}},
      "gridPos": {"h": 8, "w": 8, "x": 8, "y": 0},
      "id": 2,
      "targets": [{"expr": "sum by (version) (rate(nereus_http_requests_total{path=~\"/api/v1/.*\",status=~\"5..\",version=~\"$version\"}[1m])) / clamp_min(sum by (version) (rate(nereus_http_requests_total{path=~\"/api/v1/.*\",version=~\"$version\"}[1m])), 0.001)", "legendFormat": "{{version}}", "refId": "A"}],
      "title": "API error rate",
      "type": "timeseries"
    },
    {
      "datasource": {"type": "prometheus", "uid": "prometheus"},
      "fieldConfig": {"defaults": {"unit": "s"}},
      "gridPos": {"h": 8, "w": 8, "x": 16, "y": 0},
      "id": 3,
      "targets": [{"expr": "histogram_quantile(0.95, sum by (le, version) (rate(nereus_http_request_duration_seconds_bucket{path=~\"/api/v1/.*\",version=~\"$version\"}[5m])))", "legendFormat": "p95 {{version}}", "refId": "A"}],
      "title": "API p95 latency",
      "type": "timeseries"
    },
    {
      "datasource": {"type": "prometheus", "uid": "prometheus"},
      "fieldConfig": {"defaults": {"unit": "s"}},
      "gridPos": {"h": 8, "w": 12, "x": 0, "y": 8},
      "id": 4,
      "targets": [{"expr": "histogram_quantile(0.95, sum by (le, operation) (rate(nereus_db_query_duration_seconds_bucket[5m])))", "legendFormat": "{{operation}}", "refId": "A"}],
      "title": "Database p95 latency",
      "type": "timeseries"
    },
    {
      "datasource": {"type": "prometheus", "uid": "prometheus"},
      "fieldConfig": {"defaults": {"unit": "ops"}},
      "gridPos": {"h": 8, "w": 6, "x": 12, "y": 8},
      "id": 5,
      "targets": [{"expr": "sum(rate(nereus_readings_ingested_total[1m]))", "refId": "A"}],
      "title": "Readings ingested",
      "type": "stat"
    },
    {
      "datasource": {"type": "prometheus", "uid": "prometheus"},
      "gridPos": {"h": 8, "w": 6, "x": 18, "y": 8},
      "id": 6,
      "targets": [{"expr": "nereus_buoys_active", "refId": "A"}],
      "title": "Active buoys",
      "type": "stat"
    },
    {
      "datasource": {"type": "loki", "uid": "loki"},
      "gridPos": {"h": 9, "w": 24, "x": 0, "y": 16},
      "id": 7,
      "targets": [{"expr": "{k8s_namespace_name=\"nereus\"} | json", "refId": "A"}],
      "title": "Correlated API logs",
      "type": "logs"
    }
  ],
  "refresh": "5s",
  "schemaVersion": 42,
  "tags": ["nereus"],
  "templating": {
    "list": [
      {
        "allValue": ".*",
        "current": {"text": "All", "value": "$__all"},
        "datasource": {"type": "prometheus", "uid": "prometheus"},
        "definition": "label_values(nereus_http_requests_total, version)",
        "includeAll": true,
        "label": "Version",
        "name": "version",
        "query": {"query": "label_values(nereus_http_requests_total, version)", "refId": "StandardVariableQuery"},
        "refresh": 1,
        "type": "query"
      }
    ]
  },
  "time": {"from": "now-30m", "to": "now"},
  "timezone": "browser",
  "title": "Nereus API",
  "uid": "nereus-api",
  "version": 1
}