schema.json

{
  "title": "MSB message validation schema",
  "type": "object",
  "properties": {
    "id": { "type": "string" },
    "correlationId": { "type": "string" },
    "tags": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "topics": {
      "type": ["object", "null"],
      "properties": {
        "to": { "$ref": "#/definitions/topic" },
        "response": { "$ref": "#/definitions/topic" },
        "forward": { "$ref": "#/definitions/topic" }
      },
      "required": ["to"]
    },
    "meta": {
      "type": ["object", "null"],
      "properties": {
        "ttl": { "type": ["integer", "null"] },
        "createdAt": { "type": "string", "format": "date-time" },
        "publishedAt": { "type": ["string", "null"], "format": "date-time" },
        "durationMs": { "type": ["number", "null"] },
        "serviceDetails": { "$ref": "#/definitions/serviceDetails" }
      },
      "required": ["createdAt"]
    },
    "ack": {
      "type": ["object", "null"],
      "properties": {
        "responderId": { "type": "string" },
        "responsesRemaining": { "type": "number"},
        "timeoutMs": { "type": ["number", "null"] }
      },
      "required": ["responderId", "responsesRemaining"]
    },
    "payload": {}
  },
  "required": ["id", "correlationId", "meta"],
  "definitions": {
    "topic": {
      "type": ["string", "null"],
      "pattern": "^_?([a-z0-9\\-]+\\:)+([a-z0-9\\-]+)$"
    },
    "serviceDetails": {
      "type": "object",
      "properties": {
        "instanceId": { "type": "string" },
        "hostname": { "type": "string" },
        "ip": {
          "type": "string",
          "pattern": "^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$"
        },
        "pid": { "type": "integer" },
        "name": { "type": "string" },
        "version": { "type": "string" }
      },
      "required": ["name", "version"]
    }
  }
}