{
  "uid": "enervision-api",
  "title": "EnerVision · API",
  "description": "Débit, erreurs et latences vus par l'API elle-même (prometheus-fastapi-instrumentator).",
  "tags": [
    "enervision"
  ],
  "timezone": "browser",
  "editable": false,
  "graphTooltip": 1,
  "refresh": "10s",
  "schemaVersion": 39,
  "version": 1,
  "time": {
    "from": "now-1h",
    "to": "now"
  },
  "templating": {
    "list": []
  },
  "annotations": {
    "list": []
  },
  "links": [],
  "panels": [
    {
      "id": 1,
      "type": "stat",
      "title": "API",
      "gridPos": {
        "x": 0,
        "y": 0,
        "w": 6,
        "h": 4
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "up{job=\"backend\"}",
          "legendFormat": "",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "red",
                "value": null
              },
              {
                "color": "green",
                "value": 1
              }
            ]
          },
          "color": {
            "mode": "thresholds"
          },
          "mappings": [
            {
              "type": "value",
              "options": {
                "0": {
                  "text": "Injoignable",
                  "color": "red"
                },
                "1": {
                  "text": "Joignable",
                  "color": "green"
                }
              }
            }
          ]
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "colorMode": "background",
        "graphMode": "area",
        "textMode": "auto"
      },
      "description": "Prometheus joint-il /metrics ?"
    },
    {
      "id": 2,
      "type": "stat",
      "title": "Débit",
      "gridPos": {
        "x": 6,
        "y": 0,
        "w": 6,
        "h": 4
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "sum(rate(http_requests_total{job=\"backend\"}[5m]))",
          "legendFormat": "",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "reqps",
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              }
            ]
          },
          "color": {
            "mode": "thresholds"
          }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "colorMode": "background",
        "graphMode": "area",
        "textMode": "auto"
      }
    },
    {
      "id": 3,
      "type": "stat",
      "title": "Erreurs 5xx",
      "gridPos": {
        "x": 12,
        "y": 0,
        "w": 6,
        "h": 4
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "sum(rate(http_requests_total{job=\"backend\", status=\"5xx\"}[5m])) / sum(rate(http_requests_total{job=\"backend\"}[5m]))",
          "legendFormat": "",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "percentunit",
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "orange",
                "value": 0.01
              },
              {
                "color": "red",
                "value": 0.05
              }
            ]
          },
          "color": {
            "mode": "thresholds"
          }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "colorMode": "background",
        "graphMode": "area",
        "textMode": "auto"
      },
      "description": "Seuil d'alerte : 5 % pendant 5 minutes."
    },
    {
      "id": 4,
      "type": "stat",
      "title": "Latence p95",
      "gridPos": {
        "x": 18,
        "y": 0,
        "w": 6,
        "h": 4
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "histogram_quantile(0.95, sum by (le) (rate(http_request_duration_highr_seconds_bucket{job=\"backend\"}[5m])))",
          "legendFormat": "",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "s",
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "orange",
                "value": 0.5
              },
              {
                "color": "red",
                "value": 1
              }
            ]
          },
          "color": {
            "mode": "thresholds"
          }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "colorMode": "background",
        "graphMode": "area",
        "textMode": "auto"
      },
      "description": "Seuil de charge : 500 ms (ADR 0015). Alerte au-delà d'une seconde pendant 10 minutes."
    },
    {
      "id": 5,
      "type": "timeseries",
      "title": "Débit par route",
      "gridPos": {
        "x": 0,
        "y": 4,
        "w": 12,
        "h": 8
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "sum by (handler) (rate(http_requests_total{job=\"backend\"}[1m]))",
          "legendFormat": "{{handler}}",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "reqps"
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    },
    {
      "id": 6,
      "type": "timeseries",
      "title": "Latence de l'API",
      "gridPos": {
        "x": 12,
        "y": 4,
        "w": 12,
        "h": 8
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "histogram_quantile(0.50, sum by (le) (rate(http_request_duration_highr_seconds_bucket{job=\"backend\"}[1m])))",
          "legendFormat": "p50",
          "range": true
        },
        {
          "refId": "B",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "histogram_quantile(0.95, sum by (le) (rate(http_request_duration_highr_seconds_bucket{job=\"backend\"}[1m])))",
          "legendFormat": "p95",
          "range": true
        },
        {
          "refId": "C",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "histogram_quantile(0.99, sum by (le) (rate(http_request_duration_highr_seconds_bucket{job=\"backend\"}[1m])))",
          "legendFormat": "p99",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "s"
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    },
    {
      "id": 7,
      "type": "timeseries",
      "title": "Latence p95 par route",
      "gridPos": {
        "x": 0,
        "y": 12,
        "w": 12,
        "h": 8
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "histogram_quantile(0.95, sum by (le, handler) (rate(http_request_duration_seconds_bucket{job=\"backend\"}[5m])))",
          "legendFormat": "{{handler}}",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "s"
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      },
      "description": "Estimée sur les seaux 50 ms à 2,5 s de http_request_duration_seconds."
    },
    {
      "id": 8,
      "type": "timeseries",
      "title": "Réponses par classe de statut",
      "gridPos": {
        "x": 12,
        "y": 12,
        "w": 12,
        "h": 8
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "sum by (status) (rate(http_requests_total{job=\"backend\"}[1m]))",
          "legendFormat": "{{status}}",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "reqps"
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    },
    {
      "id": 9,
      "type": "timeseries",
      "title": "Mémoire du processus API",
      "gridPos": {
        "x": 0,
        "y": 20,
        "w": 12,
        "h": 8
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "process_resident_memory_bytes{job=\"backend\"}",
          "legendFormat": "résidente",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "bytes"
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      }
    },
    {
      "id": 10,
      "type": "timeseries",
      "title": "Requêtes en cours de traitement",
      "gridPos": {
        "x": 12,
        "y": 20,
        "w": 12,
        "h": 8
      },
      "datasource": {
        "type": "prometheus",
        "uid": "prometheus"
      },
      "targets": [
        {
          "refId": "A",
          "datasource": {
            "type": "prometheus",
            "uid": "prometheus"
          },
          "expr": "sum(rate(http_request_duration_highr_seconds_sum{job=\"backend\"}[1m]))",
          "legendFormat": "secondes de traitement par seconde",
          "range": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "unit": "short"
        },
        "overrides": []
      },
      "options": {
        "legend": {
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "desc"
        }
      },
      "description": "Loi de Little : durée moyenne multipliée par le débit, soit le nombre moyen de requêtes simultanées."
    }
  ]
}