Uninstall the Kubernetes Operator for Apache Cassandra and related resources in Kubernetes

Uninstalling the resources shown in this topic deletes the workloads, the pods, and all data associated with the deployments, including all Cassandra or DSE databases and their data.

Before uninstalling, verify that you have accounted for any and all dependencies with apps and users of the resources.

To uninstall the Kubernetes Operator for Apache Cassandra and related resources in Kubernetes, use the kubectl delete command.

On a local machine where you have authorized access to the Kubernetes (K8s) cluster, use the following commands to remove the CassandraDatacenter, the CassandraOperator, and the storage class.

The following examples assume a GKE 1.16 environment with a Cassandra 3.11.7 image. Adjust the commands based on your environment and configuration.

Uninstall a deployed CassandraDatacenter from the Kubernetes cluster:

kubectl delete cassdcs --all-namespaces --all

Result

cassandradatacenter.cassandra.datastax.com "dc1" deleted

Uninstall a deployed the Cassandra Operator from the Kubernetes cluster:

kubectl delete -f https://raw.githubusercontent.com/k8ssandra/cass-operator/v1.7.1/docs/user/cass-operator-manifests.yaml

Result

namespace "cass-operator" deleted
serviceaccount "cass-operator" deleted
secret "cass-operator-webhook-config" deleted
customresourcedefinition.apiextensions.k8s.io "cassandradatacenters.cassandra.datastax.com" deleted
clusterrole.rbac.authorization.k8s.io "cass-operator-cluster-role" deleted
clusterrolebinding.rbac.authorization.k8s.io "cass-operator" deleted
role.rbac.authorization.k8s.io "cass-operator" deleted
rolebinding.rbac.authorization.k8s.io "cass-operator" deleted
service "cassandradatacenter-webhook-service" deleted
deployment.apps "cass-operator" deleted
validatingwebhookconfiguration.admissionregistration.k8s.io "cassandradatacenter-webhook-registration" deleted

Uninstall the deployed storage class:

kubectl delete -f https://raw.githubusercontent.com/k8ssandra/cass-operator/v1.7.1/operator/k8s-flavors/gke/storage.yaml

Result

storageclass.storage.k8s.io "server-storage" deleted

Verify the deletions:

kubectl -n cass-operator get pods

Result

No resources found in cass-operator namespace.

Uninstall the Kubernetes Operator for Apache Cassandra and related resources in Kubernetes

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