{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "definitions": {
    "reloads": {
      "type": "object",
      "required": ["failures", "successes"],
      "properties": {
        "failures": { "type": "number" },
        "successes": { "type": "number" }
      }
    },
    "events": {
      "type": "object",
      "required": ["filtered", "in", "duration_in_millis", "out"],
      "properties": {
        "filtered": { "type": "number" },
        "in": { "type": "number" },
        "duration_in_millis": { "type": "number" },
        "out": { "type": "number" }
      }
    }
  },
  "type": "object",
  "required": ["jvm", "logstash", "process", "os", "events", "queue", "reloads", "pipelines"],
  "properties": {
    "jvm": {
      "type": "object",
      "required": ["mem", "uptime_in_millis", "gc"],
      "properties": {
        "mem": {
          "type": "object",
          "require": ["heap_used_in_bytes", "heap_max_in_bytes", "heap_used_percent"],
          "properties": {
            "heap_used_percent": { "type": "number" },
            "heap_max_in_bytes": { "type": "number" },
            "heap_used_in_bytes": { "type": "number" }
          }
        },
        "uptime_in_millis": { "type": "number" },
        "gc": {
          "type": "object",
          "required": ["collectors"],
          "properties": {
            "collectors": {
              "type": "object",
              "required": ["young", "old"],
              "properties": {
                "young": {
                  "type": "object",
                  "required": ["collection_count", "collection_time_in_millis"],
                  "properties": {
                    "collection_count": {"type": "number"},
                    "collection_time_in_millis": {"type": "number"}
                  }
                },
                "old": {
                  "type": "object",
                  "required": ["collection_count", "collection_time_in_millis"],
                  "properties": {
                    "collection_count": {"type": "number"},
                    "collection_time_in_millis": {"type": "number"}
                  }
                }
              }
            }
          }
        }
      }
    },
    "logstash": {
      "type": "object",
      "required": ["http_address", "uuid", "ephemeral_id"],
      "properties": {
        "http_address": { "type": ["string", "null"] },
        "uuid": { "type": "string" },
        "ephemeral_id": { "type": "string" }
      }
    },
    "process": {
      "type": "object",
      "required": ["open_file_descriptors", "max_file_descriptors", "cpu"],
      "properties": {
        "open_file_descriptors": { "type": "number" },
        "max_file_descriptors": { "type": "number" },
        "cpu": {
          "type": "object",
          "required": ["percent"],
          "properties": { "percent": { "type": "number"} }
        }
      }
    },
    "os": {
      "type": "object",
      "required": ["cpu"],
      "properties": {
        "cpu": {
          "type": "object",
          "required": ["load_average"],
          "properties": {
            "load_average": {
              "type": "object",
              "required": ["1m"],
              "properties": {
                "1m": {"type": "number"},
                "5m": {"type": "number"},
                "15m": {"type": "number"}
              }
            }
          }
        }
      }
    },
    "events": {"$ref": "#/definitions/events"},
    "queue": {
      "type": "object",
      "required": ["events_count"],
      "properties": {
        "events_count": { "type": "number" }
      }
    },
    "reloads": {"$ref": "#/definitions/reloads"},
    "timestamp": { "type": "string" },
    "pipelines": {
      "type": "array",
      "minItems": 1,
      "uniqueItems": true,
      "items": {
        "type": "object",
        "required": ["id", "hash", "ephemeral_id", "events", "queue", "reloads", "vertices"],
        "properties": {
          "id": {"type": "string"},
          "hash": {"type": "string"},
          "ephemeral_id": {"type": "string"},
          "reloads": {"$ref": "#/definitions/reloads"},
          "queue": {
            "type": "object",
            "required": ["events_count", "type", "queue_size_in_bytes", "max_queue_size_in_bytes"],
            "properties": {
              "type": { "type": "string" },
              "events_count": { "type": "number" },
              "queue_size_in_bytes": { "type": "number" },
              "max_queue_size_in_bytes": { "type": "number" }
            }
          },
          "events": {"$ref": "#/definitions/events"},
          "vertices": {
            "type": "array",
            "minItems": 1,
            "uniqueItems": true,
            "items": {
              "type": "object",
              "patternProperties": {
                "long_counters": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": {
                      "name": {"type": "string"},
                      "value": {"type": "number"}
                    }
                  }
                },
                "double_gauges": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": {
                      "name": {"type": "string"},
                      "value": {"type": "string"}
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}