ECK v1.4.0: spec.version: Invalid value: \"6.8.15\": Unsupported version"

[QiaolingTang]

Thanks for your reply.

Yes, I deployed an ES cluster with 7.12.1 at first, then I updated the version to 6.8.15. I also tried to deploy an ECK operator, then create the elasticsearches.elasticsearch.k8s.elastic.co/quickstart instance with following content and hit the same issue.

apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: quickstart
spec:
  version: 6.8.15
  nodeSets:
  - name: default
    count: 1
    config:
      node.store.allow_mmap: false

@pebrc

When you install the operator with a validating webhook this is validated. On OpenShift when the certified operator is installed through the OpenShift console there is unfortunately no webhook to validate that,

Does this mean when deploy Elasticsearch cluster with certified operator on OpenShift, we can't customize the ES version? Do we have any workarounds ?