[jboss-jira] [JBoss JIRA] (JGRP-2252) Allow passing arguments when using custom IP address supplier

[Sebastian Łaskawiec (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-2252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569088#comment-13569088 ] 

Sebastian Łaskawiec commented on JGRP-2252:
-------------------------------------------

Yes and no. 

No, since Kubernetes doesn't publish the address of an external load balancer to the Pod. So there is no way for the Pod to find out to which name is needs to bind. 

Yes, since you always can write a custom script, that will create a Load Balancer, read it's external address and create a Secret based on it. This is a kind of approach we used in [x-site replication demo|https://github.com/infinispan-demos/JDG-x-site-replication-demo/blob/ansible/roles/jdg-secrets/tasks/main.yml].

> Allow passing arguments when using custom IP address supplier
> -------------------------------------------------------------
>
>                 Key: JGRP-2252
>                 URL: https://issues.jboss.org/browse/JGRP-2252
>             Project: JGroups
>          Issue Type: Task
>    Affects Versions: 4.0.10
>         Environment: Kubernetes and OpenShift
>            Reporter: Sebastian Łaskawiec
>            Assignee: Sebastian Łaskawiec
>             Fix For: 4.0.12
>
>
> When investigating x-site replication for one of more public clouds, we discover that it would be useful to have a Custom IP supplier that allows passing arguments into the supplier instance.
> An example could look like the following: {{external_addr="custom:org.bla.Blah;args:LoadBalancerServiceName"}}
> One might use the following demo for testing: https://github.com/infinispan-demos/JDG-x-site-replication-demo



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