Querying Kafka Cluster Metadata

Function

This API is used to query Kafka cluster metadata.

URI

GET /v2/{project_id}/instances/{instance_id}/management/cluster

Table 1 Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details about how to obtain it, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

Request Parameters

None

Response Parameters

Status code: 200

Table 2 Response body parameters
Parameter	Type	Description
cluster	cluster object	Cluster basic information.

Table 3 cluster
Parameter	Type	Description
controller	String	Controller ID.
brokers	Array of brokers objects	Broker list.
topics_count	Integer	Number of topics.
partitions_count	Integer	Number of partitions.
online_partitions_count	Integer	Number of online partitions.
replicas_count	Integer	Number of replicas.
isr_replicas_count	Integer	Total number of in-sync replicas (ISRs).
consumers_count	Integer	Number of consumer groups.

Table 4 brokers
Parameter	Type	Description
host	String	Broker IP address.
port	Integer	Port number.
broker_id	String	Broker ID.
is_controller	Boolean	Whether the broker is a controller.
version	String	Server version.
register_time	Long	Broker registration time, which is a Unix timestamp.
is_health	Boolean	Whether Kafka brokers can be connected.

Example Requests

GET https://{endpoint}/v2/{project_id}/instances/{instance_id}/management/cluster

Example Responses

Status code: 200

Kafka cluster metadata is queried successfully.

{
  "cluster" : {
    "controller" : "2",
    "brokers" : [ {
      "host" : "192.168.0.159",
      "port" : 9093,
      "broker_id" : "0",
      "is_controller" : false,
      "version" : "1.1.0",
      "register_time" : 1588754647872,
      "is_health" : true
    }, {
      "host" : "192.168.0.48",
      "port" : 9093,
      "broker_id" : "1",
      "is_controller" : false,
      "version" : "1.1.0",
      "register_time" : 1588754647653,
      "is_health" : true
    }, {
      "host" : "192.168.0.212",
      "port" : 9093,
      "broker_id" : "2",
      "is_controller" : true,
      "version" : "1.1.0",
      "register_time" : 1588754647284,
      "is_health" : true
    } ],
    "topics_count" : 3,
    "partitions_count" : 9,
    "online_partitions_count" : 9,
    "replicas_count" : 27,
    "isr_replicas_count" : 27,
    "consumers_count" : 0
  }
}

Status Codes

Status Code	Description
200	Kafka cluster metadata is queried successfully.

Error Codes

See Error Codes.

Parent topic: Instance Management

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Querying Consumer Group Details

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