{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Metrics data",
  "description": "Prometheus metrics data",
  "type": "object",
  "required": [
    "metrics"
  ],
  "properties": {
    "metrics": {
      "type": "array",
      "items": {
        "$ref": "#/definitions/metric"
      }
    }
  },
  "definitions": {
    "metric": {
      "title": "Metric family",
      "description": "A prometheus gauge, summary, or histogram metric",
      "type": "object",
      "if": {
        "properties": {
          "metric_type": {
            "type": "string",
            "const": "gauge"
          }
        }
      },
      "then": {
        "properties": {
          "data": {
            "title": "Gauge data",
            "description": "A gauge metric",
            "type": "object",
            "required": [
              "type",
              "value"
            ],
            "properties": {
              "labels": {
                "type": [
                  "object",
                  "null"
                ],
                "additionalProperties": {
                  "type": "string"
                }
              },
              "type": {
                "type": "string",
                "const": "metric"
              },
              "value": {
                "type": "string"
              }
            }
          }
        }
      },
      "else": false,
      "required": [
        "data",
        "help",
        "metric_name",
        "metric_type"
      ],
      "properties": {
        "help": {
          "type": "string"
        },
        "metric_name": {
          "type": "string"
        },
        "metric_type": {
          "title": "Metric type",
          "type": "string",
          "enum": [
            "gauge",
            "histogram",
            "summary"
          ]
        }
      }
    }
  }
}