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https://issues.apache.org/jira/browse/HBASE-29762?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18045133#comment-18045133
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Duo Zhang commented on HBASE-29762:
-----------------------------------

Do we have a more detailed design doc?

> Support external client connection to kubernetized HBase cluster
> ----------------------------------------------------------------
>
>                 Key: HBASE-29762
>                 URL: https://issues.apache.org/jira/browse/HBASE-29762
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Balazs Meszaros
>            Assignee: Balazs Meszaros
>            Priority: Major
>
> When HBase is deployed to kubernetes, kubernetes assigns its own hostnames to 
> HBase pods. It works fine while the clients are in the same kubernetes 
> environment, but can be an issue if they are coming from outside the 
> kubernetes environment. Kubernetes offers several methods for exposing 
> services like Istio, Load Balancers, ... Any method can be used, but these 
> methods share one thing: the external addresses are different from the 
> internal addresses.
> The goal is to support external HBase client connection to kubernetized HBase 
> clusters. The idea is to implement a co-processor which translates the 
> internal addresses to external addresses. This translation is optional based 
> on a client connection header (which is coming from a configuration property).
> This task sums up these efforts:
> * [HBASE-29763] Implement co-processor host for client-meta (Zookeeper-less 
> HBase discovery) service.
> * [HBASE-29764] Make client connection header attributes accessible inside 
> co-processors.
> * [HBASE-29765] Make client connection header attributes configurable.
> * [HBASE-29766] Implement a co-processor which intercepts client-meta calls, 
> {{hbase:meta}} table gets/scans and replaces internal addresses with external 
> addresses.



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