Managed Service for Apache Kafka® API, REST: Cluster.Get

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Updated at December 17, 2024

HTTP request
Path parameters
Response
Monitoring
ConfigSpec
Kafka
Resources
KafkaConfig2_8
KafkaConfig3
Zookeeper
Access
RestAPIConfig
DiskSizeAutoscaling
KRaft
MaintenanceWindow
WeeklyMaintenanceWindow
MaintenanceOperation

Returns the specified Apache Kafka® cluster.

To get the list of available Apache Kafka® clusters, make a List request.

HTTP request

GET https://mdb.api.cloud.yandex.net/managed-kafka/v1/clusters/{clusterId}

Path parameters

Field

Description

clusterId

string

Required field. ID of the Apache Kafka® Cluster resource to return.

To get the cluster ID, make a ClusterService.List request.

Response

HTTP Code: 200 - OK

{
  "id": "string",
  "folderId": "string",
  "createdAt": "string",
  "name": "string",
  "description": "string",
  "labels": "object",
  "environment": "string",
  "monitoring": [
    {
      "name": "string",
      "description": "string",
      "link": "string"
    }
  ],
  "config": {
    "version": "string",
    "kafka": {
      "resources": {
        "resourcePresetId": "string",
        "diskSize": "string",
        "diskTypeId": "string"
      },
      // Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`
      "kafkaConfig_2_8": {
        "compressionType": "string",
        "logFlushIntervalMessages": "string",
        "logFlushIntervalMs": "string",
        "logFlushSchedulerIntervalMs": "string",
        "logRetentionBytes": "string",
        "logRetentionHours": "string",
        "logRetentionMinutes": "string",
        "logRetentionMs": "string",
        "logSegmentBytes": "string",
        "logPreallocate": "boolean",
        "socketSendBufferBytes": "string",
        "socketReceiveBufferBytes": "string",
        "autoCreateTopicsEnable": "boolean",
        "numPartitions": "string",
        "defaultReplicationFactor": "string",
        "messageMaxBytes": "string",
        "replicaFetchMaxBytes": "string",
        "sslCipherSuites": [
          "string"
        ],
        "offsetsRetentionMinutes": "string",
        "saslEnabledMechanisms": [
          "string"
        ]
      },
      "kafkaConfig_3": {
        "compressionType": "string",
        "logFlushIntervalMessages": "string",
        "logFlushIntervalMs": "string",
        "logFlushSchedulerIntervalMs": "string",
        "logRetentionBytes": "string",
        "logRetentionHours": "string",
        "logRetentionMinutes": "string",
        "logRetentionMs": "string",
        "logSegmentBytes": "string",
        "logPreallocate": "boolean",
        "socketSendBufferBytes": "string",
        "socketReceiveBufferBytes": "string",
        "autoCreateTopicsEnable": "boolean",
        "numPartitions": "string",
        "defaultReplicationFactor": "string",
        "messageMaxBytes": "string",
        "replicaFetchMaxBytes": "string",
        "sslCipherSuites": [
          "string"
        ],
        "offsetsRetentionMinutes": "string",
        "saslEnabledMechanisms": [
          "string"
        ]
      }
      // end of the list of possible fields
    },
    "zookeeper": {
      "resources": {
        "resourcePresetId": "string",
        "diskSize": "string",
        "diskTypeId": "string"
      }
    },
    "zoneId": [
      "string"
    ],
    "brokersCount": "string",
    "assignPublicIp": "boolean",
    "unmanagedTopics": "boolean",
    "schemaRegistry": "boolean",
    "access": {
      "dataTransfer": "boolean"
    },
    "restApiConfig": {
      "enabled": "boolean"
    },
    "diskSizeAutoscaling": {
      "plannedUsageThreshold": "string",
      "emergencyUsageThreshold": "string",
      "diskSizeLimit": "string"
    },
    "kraft": {
      "resources": {
        "resourcePresetId": "string",
        "diskSize": "string",
        "diskTypeId": "string"
      }
    }
  },
  "networkId": "string",
  "health": "string",
  "status": "string",
  "securityGroupIds": [
    "string"
  ],
  "hostGroupIds": [
    "string"
  ],
  "deletionProtection": "boolean",
  "maintenanceWindow": {
    // Includes only one of the fields `anytime`, `weeklyMaintenanceWindow`
    "anytime": "object",
    "weeklyMaintenanceWindow": {
      "day": "string",
      "hour": "string"
    }
    // end of the list of possible fields
  },
  "plannedOperation": {
    "info": "string",
    "delayedUntil": "string"
  }
}

An Apache Kafka® cluster resource.
For more information, see the Concepts section of the documentation.

Field	Description
id	string ID of the Apache Kafka® cluster. This ID is assigned at creation time.
folderId	string ID of the folder that the Apache Kafka® cluster belongs to.
createdAt	string (date-time) Creation timestamp. String in RFC3339 text format. The range of possible values is from `0001-01-01T00:00:00Z` to `9999-12-31T23:59:59.999999999Z`, i.e. from 0 to 9 digits for fractions of a second. To work with values in this field, use the APIs described in the Protocol Buffers reference. In some languages, built-in datetime utilities do not support nanosecond precision (9 digits).
name	string Name of the Apache Kafka® cluster. The name must be unique within the folder. 1-63 characters long. Value must match the regular expression `[a-zA-Z0-9_-]*`.
description	string Description of the Apache Kafka® cluster. 0-256 characters long.
labels	object (map<string, string>) Custom labels for the Apache Kafka® cluster as `key:value` pairs. A maximum of 64 labels per resource is allowed.
environment	enum (Environment) Deployment environment of the Apache Kafka® cluster. `ENVIRONMENT_UNSPECIFIED` `PRODUCTION`: Stable environment with a conservative update policy when only hotfixes are applied during regular maintenance. `PRESTABLE`: Environment with a more aggressive update policy when new versions are rolled out irrespective of backward compatibility.
monitoring[]	Monitoring Description of monitoring systems relevant to the Apache Kafka® cluster. The field is ignored for response of List method.
config	ConfigSpec Configuration of the Apache Kafka® cluster. The field is ignored for response of List method.
networkId	string ID of the network that the cluster belongs to.
health	enum (Health) Aggregated cluster health. `HEALTH_UNKNOWN`: State of the cluster is unknown (Host.health of all hosts in the cluster is `UNKNOWN`). `ALIVE`: Cluster is alive and well (Host.health of all hosts in the cluster is `ALIVE`). `DEAD`: Cluster is inoperable (Host.health of all hosts in the cluster is `DEAD`). `DEGRADED`: Cluster is in degraded state (Host.health of at least one of the hosts in the cluster is not `ALIVE`).
status	enum (Status) Current state of the cluster. `STATUS_UNKNOWN`: Cluster state is unknown. `CREATING`: Cluster is being created. `RUNNING`: Cluster is running normally. `ERROR`: Cluster encountered a problem and cannot operate. `UPDATING`: Cluster is being updated. `STOPPING`: Cluster is stopping. `STOPPED`: Cluster stopped. `STARTING`: Cluster is starting.
securityGroupIds[]	string User security groups
hostGroupIds[]	string Host groups hosting VMs of the cluster.
deletionProtection	boolean Deletion Protection inhibits deletion of the cluster
maintenanceWindow	MaintenanceWindow Window of maintenance operations.
plannedOperation	MaintenanceOperation Scheduled maintenance operation.

Monitoring

Metadata of monitoring system.

Field	Description
name	string Name of the monitoring system.
description	string Description of the monitoring system.
link	string Link to the monitoring system charts for the Apache Kafka® cluster.

ConfigSpec

Field	Description
version	string Version of Apache Kafka® used in the cluster. Possible values: `2.8`, `3.0`, `3.1`, `3.2`, `3.3`, `3.4`, `3.5`, `3.6`.
kafka	Kafka Configuration and resource allocation for Kafka brokers.
zookeeper	Zookeeper Configuration and resource allocation for ZooKeeper hosts.
zoneId[]	string IDs of availability zones where Kafka brokers reside.
brokersCount	string (int64) The number of Kafka brokers deployed in each availability zone.
assignPublicIp	boolean The flag that defines whether a public IP address is assigned to the cluster. If the value is `true`, then Apache Kafka® cluster is available on the Internet via it's public IP address.
unmanagedTopics	boolean Allows to manage topics via AdminAPI Deprecated. Feature enabled permanently.
schemaRegistry	boolean Enables managed schema registry on cluster
access	Access Access policy for external services.
restApiConfig	RestAPIConfig Configuration of REST API.
diskSizeAutoscaling	DiskSizeAutoscaling DiskSizeAutoscaling settings
kraft	KRaft Configuration and resource allocation for KRaft-controller hosts.

Kafka

Field	Description
resources	Resources Resources allocated to Kafka brokers.
kafkaConfig_2_8	KafkaConfig2_8 Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`. Kafka broker configuration.
kafkaConfig_3	KafkaConfig3 Includes only one of the fields `kafkaConfig_2_8`, `kafkaConfig_3`. Kafka broker configuration.

Resources

Field	Description
resourcePresetId	string ID of the preset for computational resources available to a host (CPU, memory, etc.). All available presets are listed in the documentation.
diskSize	string (int64) Volume of the storage available to a host, in bytes. Must be greater than 2 * partition segment size in bytes * partitions count, so each partition can have one active segment file and one closed segment file that can be deleted.
diskTypeId	string Type of the storage environment for the host.

KafkaConfig2_8

Kafka version 2.8 broker configuration.

Field	Description
compressionType	enum (CompressionType) Cluster topics compression type. `COMPRESSION_TYPE_UNSPECIFIED` `COMPRESSION_TYPE_UNCOMPRESSED`: no codec (uncompressed). `COMPRESSION_TYPE_ZSTD`: Zstandard codec. `COMPRESSION_TYPE_LZ4`: LZ4 codec. `COMPRESSION_TYPE_SNAPPY`: Snappy codec. `COMPRESSION_TYPE_GZIP`: GZip codec. `COMPRESSION_TYPE_PRODUCER`: the codec to use is set by a producer (can be any of `ZSTD`, `LZ4`, `GZIP` or `SNAPPY` codecs).
logFlushIntervalMessages	string (int64) The number of messages accumulated on a log partition before messages are flushed to disk. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig2_8.flushMessages setting.
logFlushIntervalMs	string (int64) The maximum time (in milliseconds) that a message in any topic is kept in memory before flushed to disk. If not set, the value of `logFlushSchedulerIntervalMs` is used. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig2_8.flushMs setting.
logFlushSchedulerIntervalMs	string (int64) The frequency of checks (in milliseconds) for any logs that need to be flushed to disk. This check is done by the log flusher.
logRetentionBytes	string (int64) Partition size limit; Kafka will discard old log segments to free up space if `delete` TopicConfig2_8.cleanupPolicy is in effect. This setting is helpful if you need to control the size of a log due to limited disk space. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig2_8.retentionBytes setting.
logRetentionHours	string (int64) The number of hours to keep a log segment file before deleting it.
logRetentionMinutes	string (int64) The number of minutes to keep a log segment file before deleting it. If not set, the value of `logRetentionHours` is used.
logRetentionMs	string (int64) The number of milliseconds to keep a log segment file before deleting it. If not set, the value of `logRetentionMinutes` is used. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig2_8.retentionMs setting.
logSegmentBytes	string (int64) The maximum size of a single log file. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig2_8.segmentBytes setting.
logPreallocate	boolean Should pre allocate file when create new segment? This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig2_8.preallocate setting.
socketSendBufferBytes	string (int64) The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used.
socketReceiveBufferBytes	string (int64) The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used.
autoCreateTopicsEnable	boolean Enable auto creation of topic on the server
numPartitions	string (int64) Default number of partitions per topic on the whole cluster
defaultReplicationFactor	string (int64) Default replication factor of the topic on the whole cluster
messageMaxBytes	string (int64) The largest record batch size allowed by Kafka. Default value: 1048588.
replicaFetchMaxBytes	string (int64) The number of bytes of messages to attempt to fetch for each partition. Default value: 1048576.
sslCipherSuites[]	string A list of cipher suites.
offsetsRetentionMinutes	string (int64) Offset storage time after a consumer group loses all its consumers. Default: 10080.
saslEnabledMechanisms[]	enum (SaslMechanism) The list of SASL mechanisms enabled in the Kafka server. Default: [SCRAM_SHA_512]. `SASL_MECHANISM_UNSPECIFIED` `SASL_MECHANISM_SCRAM_SHA_256` `SASL_MECHANISM_SCRAM_SHA_512`

KafkaConfig3

Kafka version 3.x broker configuration.

Field	Description
compressionType	enum (CompressionType) Cluster topics compression type. `COMPRESSION_TYPE_UNSPECIFIED` `COMPRESSION_TYPE_UNCOMPRESSED`: no codec (uncompressed). `COMPRESSION_TYPE_ZSTD`: Zstandard codec. `COMPRESSION_TYPE_LZ4`: LZ4 codec. `COMPRESSION_TYPE_SNAPPY`: Snappy codec. `COMPRESSION_TYPE_GZIP`: GZip codec. `COMPRESSION_TYPE_PRODUCER`: the codec to use is set by a producer (can be any of `ZSTD`, `LZ4`, `GZIP` or `SNAPPY` codecs).
logFlushIntervalMessages	string (int64) The number of messages accumulated on a log partition before messages are flushed to disk. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig3.flushMessages setting.
logFlushIntervalMs	string (int64) The maximum time (in milliseconds) that a message in any topic is kept in memory before flushed to disk. If not set, the value of `logFlushSchedulerIntervalMs` is used. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig3.flushMs setting.
logFlushSchedulerIntervalMs	string (int64) The frequency of checks (in milliseconds) for any logs that need to be flushed to disk. This check is done by the log flusher.
logRetentionBytes	string (int64) Partition size limit; Kafka will discard old log segments to free up space if `delete` TopicConfig3.cleanupPolicy is in effect. This setting is helpful if you need to control the size of a log due to limited disk space. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig3.retentionBytes setting.
logRetentionHours	string (int64) The number of hours to keep a log segment file before deleting it.
logRetentionMinutes	string (int64) The number of minutes to keep a log segment file before deleting it. If not set, the value of `logRetentionHours` is used.
logRetentionMs	string (int64) The number of milliseconds to keep a log segment file before deleting it. If not set, the value of `logRetentionMinutes` is used. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig3.retentionMs setting.
logSegmentBytes	string (int64) The maximum size of a single log file. This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig3.segmentBytes setting.
logPreallocate	boolean Should pre allocate file when create new segment? This is the global cluster-level setting that can be overridden on a topic level by using the TopicConfig3.preallocate setting.
socketSendBufferBytes	string (int64) The SO_SNDBUF buffer of the socket server sockets. If the value is -1, the OS default will be used.
socketReceiveBufferBytes	string (int64) The SO_RCVBUF buffer of the socket server sockets. If the value is -1, the OS default will be used.
autoCreateTopicsEnable	boolean Enable auto creation of topic on the server
numPartitions	string (int64) Default number of partitions per topic on the whole cluster
defaultReplicationFactor	string (int64) Default replication factor of the topic on the whole cluster
messageMaxBytes	string (int64) The largest record batch size allowed by Kafka. Default value: 1048588.
replicaFetchMaxBytes	string (int64) The number of bytes of messages to attempt to fetch for each partition. Default value: 1048576.
sslCipherSuites[]	string A list of cipher suites.
offsetsRetentionMinutes	string (int64) Offset storage time after a consumer group loses all its consumers. Default: 10080.
saslEnabledMechanisms[]	enum (SaslMechanism) The list of SASL mechanisms enabled in the Kafka server. Default: [SCRAM_SHA_512]. `SASL_MECHANISM_UNSPECIFIED` `SASL_MECHANISM_SCRAM_SHA_256` `SASL_MECHANISM_SCRAM_SHA_512`

Zookeeper

Field

Description

resources

Resources

Resources allocated to ZooKeeper hosts.

Access

Field

Description

dataTransfer

boolean

Allow access for DataTransfer.

RestAPIConfig

Field

Description

enabled

boolean

Is REST API enabled for this cluster.

DiskSizeAutoscaling

Field	Description
plannedUsageThreshold	string (int64) Threshold of storage usage (in percent) that triggers automatic scaling of the storage during the maintenance window. Zero value means disabled threshold.
emergencyUsageThreshold	string (int64) Threshold of storage usage (in percent) that triggers immediate automatic scaling of the storage. Zero value means disabled threshold.
diskSizeLimit	string (int64) New storage size (in bytes) that is set when one of the thresholds is achieved.

KRaft

Field

Description

resources

Resources

Resources allocated to KRaft controller hosts.

MaintenanceWindow

Field

Description

anytime

object

Includes only one of the fields anytime, weeklyMaintenanceWindow.

weeklyMaintenanceWindow

WeeklyMaintenanceWindow

Includes only one of the fields anytime, weeklyMaintenanceWindow.

WeeklyMaintenanceWindow

Field

Description

day

enum (WeekDay)

WEEK_DAY_UNSPECIFIED
MON
TUE
WED
THU
FRI
SAT
SUN

hour

string (int64)

Hour of the day in UTC.

MaintenanceOperation

Field

Description

info

string

delayedUntil

string (date-time)

String in RFC3339 text format. The range of possible values is from
0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z, i.e. from 0 to 9 digits for fractions of a second.

To work with values in this field, use the APIs described in the
Protocol Buffers reference.
In some languages, built-in datetime utilities do not support nanosecond precision (9 digits).

Managed Service for Apache Kafka® API, REST: Cluster.Get

HTTP requestHTTP request

Path parametersPath parameters

ResponseResponse

MonitoringMonitoring

ConfigSpecConfigSpec

KafkaKafka

ResourcesResources

KafkaConfig2_8KafkaConfig2_8

KafkaConfig3KafkaConfig3

ZookeeperZookeeper

AccessAccess

RestAPIConfigRestAPIConfig

DiskSizeAutoscalingDiskSizeAutoscaling

KRaftKRaft

MaintenanceWindowMaintenanceWindow

WeeklyMaintenanceWindowWeeklyMaintenanceWindow

MaintenanceOperationMaintenanceOperation

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HTTP request

Path parameters

Response

Monitoring

ConfigSpec

Kafka

Resources

KafkaConfig2_8

KafkaConfig3

Zookeeper

Access

RestAPIConfig

DiskSizeAutoscaling

KRaft

MaintenanceWindow

WeeklyMaintenanceWindow

MaintenanceOperation