{
  "title": "Vitess Tablet Structure",
  "description": "Structural documentation for the Tablet object returned by the VTAdmin API",
  "type": "object",
  "fields": [
    {
      "name": "cluster",
      "type": "object",
      "required": true,
      "description": "Cluster this tablet belongs to",
      "fields": [
        { "name": "id", "type": "string", "description": "Cluster identifier" },
        { "name": "name", "type": "string", "description": "Cluster display name" }
      ]
    },
    {
      "name": "tablet",
      "type": "object",
      "required": true,
      "description": "Tablet metadata",
      "fields": [
        {
          "name": "alias",
          "type": "object",
          "description": "Tablet alias (cell + uid)",
          "fields": [
            { "name": "cell", "type": "string", "description": "Cell name" },
            { "name": "uid", "type": "integer", "description": "Unique ID within cell" }
          ]
        },
        { "name": "hostname", "type": "string", "description": "Tablet host FQDN" },
        {
          "name": "port_map",
          "type": "object",
          "description": "Port assignments",
          "fields": [
            { "name": "grpc", "type": "integer" },
            { "name": "mysql", "type": "integer" },
            { "name": "vt", "type": "integer" }
          ]
        },
        { "name": "keyspace", "type": "string", "description": "Assigned keyspace" },
        { "name": "shard", "type": "string", "description": "Assigned shard key range" },
        { "name": "type", "type": "string", "description": "PRIMARY, REPLICA, RDONLY, SPARE" }
      ]
    },
    {
      "name": "state",
      "type": "string",
      "required": false,
      "description": "Current serving state: SERVING, NOT_SERVING, UNKNOWN"
    }
  ]
}