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https://issues.apache.org/jira/browse/FLINK-31794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17713907#comment-17713907
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Gyula Fora commented on FLINK-31794:
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If we are targeting the cases where the operator is upgraded before the CRD
should we only add the annotation to the status fields? The operator doesn't
normally update the spec itself.
> Ignore unknown CRD fields
> -------------------------
>
> Key: FLINK-31794
> URL: https://issues.apache.org/jira/browse/FLINK-31794
> Project: Flink
> Issue Type: Improvement
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.4.0
> Reporter: Daren Wong
> Priority: Minor
> Labels: pull-request-available
> Fix For: kubernetes-operator-1.4.0
>
>
> Currently, Kubernetes Operator fails to create a CR (FlinkDeployment or
> FlinkSessionJob) if there is a new field in the CR that's not included in the
> CRD.
> This change is to propose removing this restriction for
> FlinkSessionJobStatus, FlinkSessionJobSpec, FlinkDeploymentStatus,
> FlinkDeploymentSpec by adding class-level annotation
> `{color:#bbb529}@JsonIgnoreProperties{color}(ignoreUnknown =
> {color:#cc7832}true{color})`.
>
> This means that any new fields in CR will be ignored if it's not registered
> in CRD preventing failures to create the CR. This helps users who need to
> deploy CRD and Kubernetes Operator separately to ensure backward
> compatibility.
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