{
  "$schema": "http://json-schema.org/draft-07/schema",
  "id": "https://choria.io/schemas/choria/machine/watcher/nagios/v1/state.json",
  "description": "Event published when a Choria Machine transitions between states",
  "title": "io.choria.machine.watcher.nagios.v1.state",
  "type":"object",
  "definitions": {
    "perfdata": {
      "description": "The perfdata produced by the plugin if any",
      "type": "array",
      "items": {
        "type": "object",
        "required": ["label", "value"],
        "additionalItems": false,
        "properties": {
          "unit": {
            "type": "string",
            "enum": ["", "s", "ms", "us", "%", "B", "KB", "MB", "TB", "c"],
            "description": "Unit value supplied by the plugin"
          },
          "label": {
            "type": "string",
            "description": "The name of the metric"
          },
          "value": {
            "type": "number",
            "description": "The parsed numeric value, not interpreted for the unit"
          }
        }
      }
    }
  },
  "required":[
    "protocol",
    "identity",
    "id",
    "version",
    "timestamp",
    "machine",
    "name",
    "type",
    "plugin",
    "status",
    "status_code",
    "output",
    "check_time",
    "perfdata",
    "runtime",
    "annotations"
  ],
  "properties": {
    "protocol": {
      "type":"string",
      "enum": [
        "io.choria.machine.watcher.nagios.v1.state"
      ]
    },
    "id": {
      "type":"string",
      "description": "Unique instance ID that produced the message"
    },
    "identity": {
      "type":"string",
      "description": "The configured identity of the component hosting the machine"
    },
    "version": {
      "type":"string",
      "description": "The version of the machine that received the transition"
    },
    "timestamp": {
      "type":"integer",
      "description": "The time the state was gathered, UTC timezone, unix format with nano seconds"
    },
    "machine": {
      "type":"string",
      "description": "The name of the machine that received the transition"
    },
    "name": {
      "type": "string",
      "description": "The name of the nagios watcher"
    },
    "type": {
      "type":"string",
      "description": "The type of watcher issuing the event",
      "enum": ["nagios"]
    },
    "plugin": {
      "type":"string",
      "description": "The Nagios plugin being run and it's arguments"
    },
    "status": {
      "description": "The current state in human friendly format",
      "enum": ["OK", "CRITICAL", "WARNING", "UNKNOWN"]
    },
    "status_code": {
      "description": "The current state",
      "type": "integer",
      "minimum": 0,
      "maximum": 3
    },
    "output": {
      "description": "Output produced by the plugin",
      "type": "string"
    },
    "check_time": {
      "description": "The time the last check was performed in Unix time format",
      "type": "integer"
    },
    "perfdata":  {
      "$ref": "#/definitions/perfdata"
    },
    "runtime": {
      "description": "How long the last check took in seconds",
      "type": "number"
    },
    "annotations": {
      "type": "object",
      "description": "Additional user supplied data about a check",
      "additionalProperties": {
        "type":"string"
      }
    },
    "history": {
      "type": "array",
      "items": {
        "type": "object",
        "description": "Historical values for the check value",
        "required": ["execute", "status"],
        "properties": {
          "execute": {
            "type": "string",
            "format": "date-time",
            "description": "The time the check was executed"
          },
          "status": {
            "type": "integer",
            "minimum": 0,
            "maximum": 4,
            "description": "The status of this check run in Nagios exit code format"
          },
          "perfdata": {
            "$ref": "#/definitions/perfdata"
          }
        }
      }
    }
  }
}