Strimzi Kafka Custom Resource

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://strimzi.io/schemas/kafka.json",
  "title": "Strimzi Kafka Custom Resource",
  "description": "Represents a Kafka cluster managed by the Strimzi operator. The Kafka custom resource defines the desired state of a Kafka cluster including broker count, Kafka version, ZooKeeper/KRaft configuration, storage, listeners, and security settings.",
  "type": "object",
  "required": ["apiVersion", "kind", "metadata", "spec"],
  "properties": {
    "apiVersion": {
      "type": "string",
      "enum": ["kafka.strimzi.io/v1beta2"],
      "description": "The API version of the Strimzi resource"
    },
    "kind": {
      "type": "string",
      "enum": ["Kafka"],
      "description": "The resource kind"
    },
    "metadata": {
      "type": "object",
      "required": ["name"],
      "properties": {
        "name": {
          "type": "string",
          "description": "The name of the Kafka cluster"
        },
        "namespace": {
          "type": "string",
          "description": "The Kubernetes namespace"
        },
        "labels": {
          "type": "object",
          "additionalProperties": {"type": "string"}
        },
        "annotations": {
          "type": "object",
          "additionalProperties": {"type": "string"}
        }
      }
    },
    "spec": {
      "type": "object",
      "required": ["kafka"],
      "properties": {
        "kafka": {
          "type": "object",
          "required": ["replicas", "listeners", "storage"],
          "description": "Kafka broker configuration",
          "properties": {
            "replicas": {
              "type": "integer",
              "minimum": 1,
              "description": "Number of Kafka broker pods"
            },
            "version": {
              "type": "string",
              "description": "Kafka version to deploy (e.g., 3.7.0)"
            },
            "storage": {
              "type": "object",
              "required": ["type"],
              "properties": {
                "type": {
                  "type": "string",
                  "enum": ["ephemeral", "persistent-claim", "jbod"],
                  "description": "Storage type"
                },
                "size": {
                  "type": "string",
                  "description": "Storage size for persistent-claim (e.g., 100Gi)"
                }
              }
            },
            "listeners": {
              "type": "array",
              "description": "Kafka listener configurations",
              "items": {
                "type": "object",
                "required": ["name", "port", "type", "tls"],
                "properties": {
                  "name": {"type": "string"},
                  "port": {"type": "integer"},
                  "type": {
                    "type": "string",
                    "enum": ["internal", "route", "loadbalancer", "nodeport", "ingress", "cluster-ip"]
                  },
                  "tls": {"type": "boolean"}
                }
              }
            },
            "config": {
              "type": "object",
              "description": "Kafka broker config overrides (server.properties)",
              "additionalProperties": {"type": "string"}
            }
          }
        },
        "zookeeper": {
          "type": "object",
          "description": "ZooKeeper configuration (for non-KRaft mode)",
          "properties": {
            "replicas": {
              "type": "integer",
              "minimum": 1,
              "description": "Number of ZooKeeper pods"
            },
            "storage": {
              "type": "object",
              "properties": {
                "type": {"type": "string"},
                "size": {"type": "string"}
              }
            }
          }
        },
        "entityOperator": {
          "type": "object",
          "description": "Entity Operator configuration",
          "properties": {
            "topicOperator": {"type": "object"},
            "userOperator": {"type": "object"}
          }
        }
      }
    }
  }
}