Yaml to deploy a K8ssandraCluster with Medusa, Reaper, and metrics enabled.

k8sc.yaml

apiVersion: k8ssandra.io/v1alpha1
  kind: K8ssandraCluster
  metadata:
    finalizers:
    - k8ssandracluster.k8ssandra.io/finalizer
    name: k8scassandra-cs-001
    namespace: demo
  spec:
    auth: true
    cassandra:
      datacenters:
      - metadata:
          name: dc1
        size: 3
        storageConfig:
          cassandraDataVolumeClaimSpec:
            storageClassName: standard
            accessModes:
              - ReadWriteOnce
            resources:
              requests:
                storage: 5Gi
        config:
          jvmOptions:
            heapSize: 512M
        stargate:
          size: 1
          heapSize: 256M
      jmxInitContainerImage:
        repository: library
        name: busybox
      metadata:
        pods: {}
        services:
          additionalSeedService: {}
          allPodsService: {}
          dcService: {}
          nodePortService: {}
          seedService: {}
      perNodeConfigInitContainerImage: mikefarah/yq:4
      podSecurityContext:
        fsGroup: 1001
        runAsGroup: 1001
        runAsUser: 1001
      resources:
        limits:
          cpu: "2"
          memory: 4Gi
        requests:
          cpu: "2"
          memory: 4Gi
      serverType: cassandra
      serverVersion: 4.0.13
      softPodAntiAffinity: true
      superuserSecretRef: {}
      telemetry:
        mcac:
          enabled: true
          metricFilters:
          - deny:org.apache.cassandra.metrics.Table
          - deny:org.apache.cassandra.metrics.table
          - allow:org.apache.cassandra.metrics.table.live_ss_table_count
          - allow:org.apache.cassandra.metrics.Table.LiveSSTableCount
          - allow:org.apache.cassandra.metrics.table.live_disk_space_used
          - allow:org.apache.cassandra.metrics.table.LiveDiskSpaceUsed
          - allow:org.apache.cassandra.metrics.Table.Pending
          - allow:org.apache.cassandra.metrics.Table.Memtable
          - allow:org.apache.cassandra.metrics.Table.Compaction
          - allow:org.apache.cassandra.metrics.table.read
          - allow:org.apache.cassandra.metrics.table.write
          - allow:org.apache.cassandra.metrics.table.range
          - allow:org.apache.cassandra.metrics.table.coordinator
          - allow:org.apache.cassandra.metrics.table.dropped_mutations
          - allow:org.apache.cassandra.metrics.Table.TombstoneScannedHistogram
          - allow:org.apache.cassandra.metrics.table.tombstone_scanned_histogram
        prometheus:
          enabled: true
    medusa:
      registry: docker.io
      repository: k8ssandra
      storageProperties:
        bucketName: bucket-name-demo-eks
        concurrentTransfers: 0
        credentialsType: role-based
        maxBackupAge: 7
        maxBackupCount: 0
        multiPartUploadThreshold: 104857600
        prefix: c3cassandra-backup
        region: eu-west-1
        storageProvider: s3
        storageSecretRef: {}
        transferMaxBandwidth: 50MB/s
    reaper:
      ServiceAccountName: c3cassandra
      autoScheduling:
        enabled: true
        initialDelayPeriod: PT15S
        percentUnrepairedThreshold: 10
        periodBetweenPolls: PT10M
        repairType: AUTO
        scheduleSpreadPeriod: PT6H
        timeBeforeFirstSchedule: PT5M
      deploymentMode: PER_DC
      heapSize: 2Gi
      httpManagement:
        enabled: false
      keyspace: reaper_db
      metadata:
        pods:
          labels:
            c3__app-0: 0c30
            c3__id: c3cassTest
        service: {}
      telemetry:
        vector:
          enabled: true
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
            limits:
              cpu: 100m
              memory: 512Mi
    stargate:
      size: 1
      telemetry:
        prometheus:
          enabled: true