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Connect Management Center to a Hazelcast cluster

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You can connect an instance of Management Center to multiple Hazelcast clusters.

To connect Management Center to a Hazelcast cluster, you need to configure the name of the cluster and the addresses of one or more members. You can connect Management Center to a cluster that is configured to use TLS by providing the Kubernetes secret.

See the Management Center documentation for more information.

Configure cluster connections

Connection configuration for the Hazelcast clusters that Management Center will monitor.

Field Description

hazelcastClusters[].address

IP address or DNS name of the Hazelcast cluster. If the cluster is exposed with a service name in a different namespace, use the following syntax: <service-name>.<service-namespace>.

hazelcastClusters[].name

Name of the Hazelcast cluster that Management Center will connect to. Default is dev.

hazelcastClusters[].tls.secretName

Name of the Kubernetes TLS secret.
The hazelcastClusters field does not support deleting clusters from the custom resource. If you want to remove a cluster from the Management Center, use the Management Center UI.

Example Management Center configuration

The example configuration creates a connection to a Hazelcast cluster dev with hazelcast as the DNS name.

apiVersion: hazelcast.com/v1alpha1
kind: ManagementCenter
metadata:
  name: managementcenter
spec:
  repository: "hazelcast/management-center"
  licenseKeySecretName: hazelcast-license-key
  hazelcastClusters:
    - address: hazelcast
      name: dev

Example Management Center configuration with TLS

The example configuration creates a TLS-secured connection to a Hazelcast cluster dev with hazelcast as the DNS name. It uses a secret named example for the TLS certificate.

apiVersion: hazelcast.com/v1alpha1
kind: ManagementCenter
metadata:
  name: managementcenter
spec:
  repository: 'hazelcast/management-center'
  licenseKeySecretName: hazelcast-license-key
  hazelcastClusters:
  - address: hazelcast
    name: dev
    tls:
      secretName: example

If required, you can create a TLS secret from an existing PEM certificate:

kubectl create secret generic example \
  --from-file=tls.crt=example.crt \
  --from-file=tls.key=example.key

Next steps

Configure external access to Management Center.

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