In Apache Cassandra Lunch #44: Cassandra on Kubernetes – Docker/Kubernetes/Helm Part 2, we continue our discussion on Cassandra on Kubernetes and Docker, Kubernetes, and Helm. The live recording of Cassandra Lunch, which includes a more in-depth discussion and a demo, is embedded below in case you were not able to attend live. If you would like to attend Apache Cassandra Lunch live, it is hosted every Wednesday at 12 PM EST. Register here now!

In Apache Cassandra Lunch #44: Cassandra on Kubernetes – Docker/Kubernetes/Helm Part 2, we continue our discussion on Cassandra on Kubernetes and Docker, Kubernetes, and Helm. If you want a more in depth discussion, be sure to watch the live recording embedded below.

Review of Docker, Kubernetes, and Helm

• Review
  • Docker
  • Kubernetes
    • Nodes
      • Master/ControlPlane
      • Worker
    • Pod
      • Deployment/ReplicaSet
      • StatefulSet
      • Job
      • DaemonSet
    • Operators
  • Helm

Explanation of Hierarchy (of Cassandra, Docker and Kubernetes)

docker
        cassandra-image 
        cassandra-custom-image
        cassandra-custom-image2
kubernetes
        statefulset
                cassandra-image
                cassandra-custom-image
        CassandraDatacenterCenter
                cassandra-image
                cassandra-custom-image
        MyOwnCassandraDataCenter
                cassandra-custom-image2
        helm
                CassandraDatacenterCenter
                PrometheusGrafana
kubernetes
        etcd - storing the state of the objects
        kubelet - running and catching up to the state
        kubeproxy - connects shit together 

Resources Discussed:

Cassandra on Docker:

• https://github.com/AdoptOpenJDK/openjdk-docker/blob/820829025ee3eb66b5dc9e5fed0ee3171aababe9/8/jdk/ubuntu/Dockerfile.hotspot.releases.full
• https://github.com/tianon/docker-brew-ubuntu-core/blob/7145f9723125e6e4367dc0fb428ffd9f2bc00334/focal/Dockerfile

Cassandra on Kubernetes:

• https://kubernetes.io/docs/tutorials/stateful-application/cassandra/

Cass Operator

• https://github.com/datastax/cass-operator
• https://docs.datastax.com/en/cass-operator/doc/cass-operator/cassOperatorGettingStarted.html
• https://raw.githubusercontent.com/datastax/cass-operator/v1.6.0/docs/user/cass-operator-manifests-v1.16.yaml
• https://raw.githubusercontent.com/datastax/cass-operator/v1.6.0/operator/k8s-flavors/gke/storage.yaml
• https://raw.githubusercontent.com/datastax/cass-operator/v1.6.0/operator/example-cassdc-yaml/cassandra-3.11.x/example-cassdc-full.yaml
• https://raw.githubusercontent.com/rancher/local-path-provisioner/master/deploy/local-path-storage.yaml
• https://github.com/Orange-OpenSource/casskop

K8ssandra

• https://k8ssandra.io/docs/getting-started/#prerequisites
• https://k8ssandra.io/docs/
• https://github.com/k8ssandra/k8ssandra/tree/main/charts/cass-operator

If you missed last week’s Apache Cassandra Lunch #43: DSBulk with Sed & Awk, don’t forget to check it out as well! If you want to attend Cassandra Lunch live every Wednesday at 12 PM EST, then you can register here now! Additionally, the playlist with all the previously recorded Cassandra Lunches is available here.

Cassandra.Link

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