Getting the Apache ZooKeeper connection string for an Amazon MSK cluster - Amazon Managed Streaming for Apache Kafka
Getting the Apache ZooKeeper connection string using the AWS Management ConsoleGetting the Apache ZooKeeper connection string using the AWS CLIGetting the Apache ZooKeeper connection string using the API

Getting the Apache ZooKeeper connection string for an Amazon MSK cluster

Getting the Apache ZooKeeper connection string using the AWS Management Console

  1. Open the Amazon MSK console at https://console.aws.amazon.com/msk/.

  2. The table shows all the clusters for the current region under this account. Choose the name of a cluster to view its description.

  3. On the Cluster summary page, choose View client information. This shows you the bootstrap brokers, as well as the Apache ZooKeeper connection string.

Getting the Apache ZooKeeper connection string using the AWS CLI

  1. If you don't know the Amazon Resource Name (ARN) of your cluster, you can find it by listing all the clusters in your account. For more information, see Listing Amazon MSK clusters.

  2. To get the Apache ZooKeeper connection string, along with other information about your cluster, run the following command, replacing ClusterArn with the ARN of your cluster. 

    aws kafka describe-cluster --cluster-arn ClusterArn

    The output of this describe-cluster command looks like the following JSON example.

    {
    "ClusterInfo": {
        "BrokerNodeGroupInfo": {
            "BrokerAZDistribution": "DEFAULT",
            "ClientSubnets": [
                "subnet-0123456789abcdef0",
                "subnet-2468013579abcdef1",
                "subnet-1357902468abcdef2"
            ],
            "InstanceType": "kafka.m5.large",
            "StorageInfo": {
                "EbsStorageInfo": {
                    "VolumeSize": 1000
                }
            }
        },
        "ClusterArn": "arn:aws:kafka:us-east-1:111122223333:cluster/testcluster/12345678-abcd-4567-2345-abcdef123456-2",
        "ClusterName": "testcluster",
        "CreationTime": "2018-12-02T17:38:36.75Z",
        "CurrentBrokerSoftwareInfo": {
            "KafkaVersion": "2.2.1"
        },
        "CurrentVersion": "K13V1IB3VIYZZH",
        "EncryptionInfo": {
            "EncryptionAtRest": {
                "DataVolumeKMSKeyId": "arn:aws:kms:us-east-1:555555555555:key/12345678-abcd-2345-ef01-abcdef123456"
            }
        },
        "EnhancedMonitoring": "DEFAULT",
        "NumberOfBrokerNodes": 3,
        "State": "ACTIVE",
        "ZookeeperConnectString": "10.0.1.101:2018,10.0.2.101:2018,10.0.3.101:2018"
    }
}

    The previous JSON example shows the ZookeeperConnectString key in the output of the describe-cluster command. Copy the value corresponding to this key and save it for when you need to create a topic on your cluster.

    Important

    Your Amazon MSK cluster must be in the ACTIVE state for you to be able to obtain the Apache ZooKeeper connection string. When a cluster is still in the CREATING state, the output of the describe-cluster command doesn't include ZookeeperConnectString. If this is the case, wait a few minutes and then run the describe-cluster again after your cluster reaches the ACTIVE state.

Getting the Apache ZooKeeper connection string using the API

To get the Apache ZooKeeper connection string using the API, see DescribeCluster.