Support for cassandra as matrics store

[digiserg]

The following would create a AxonOps Server instance that uses both Elastic for configuration and and Cassandra storage for metrics. Then it launches a cassandra cluster my-dev-env that's connected to AxonOps.

apiVersion: axonops.com/v1beta1
kind: AxonOpsCassandra
metadata:
  labels:
    app.kubernetes.io/name: axonops-developer-operator
    app.kubernetes.io/managed-by: kustomize
  name: axonopscassandra-sample
  namespace: axonops-dev
spec:
  cassandra:
    replicas: 1
    clusterName: "my-dev-env"
  axonops:
    elasticsearch:
      persistentVolume:
        size: 2Gi
        storageClass: local-path
    server:
      cassandraMetricsEnabled: true
      cassandraMetricsCluster:
        replicas: 1
        dc: axonops1
        persistentVolume:
          size: 2Gi
          storageClass: local-path