[infinispan-issues] [JBoss JIRA] (ISPN-7326) Enable domain sites to be created from a single profile

[Galder Zamarreño (JIRA)]

Galder Zamarreño created ISPN-7326:
--------------------------------------

             Summary: Enable domain sites to be created from a single profile
                 Key: ISPN-7326
                 URL: https://issues.jboss.org/browse/ISPN-7326
             Project: Infinispan
          Issue Type: Enhancement
            Reporter: Galder Zamarreño


In domain mode, it should be possible to start two nodes, each belonging to a different site and get them to join the inter-site cluster providing a single profile.

To be able to do that, the following needs to happen:

* A cache's backup site name needs to be able to be defined via a system property, e.g.

{code}
          <backups>
            <backup site="${test.site.local.name:NA}" strategy="SYNC"/>
          </backups>
{code}

* A jgroup stack's relay remote site name needs to be able to be defined via a system property, e.g.

{code}
          <relay site="${test.site.local.name:NA}">
            <remote-site name="${test.site.remote.name:NA}" channel="xsite"/>
          </relay>
{code}

With these changes, it should be possible to define a single profile, and then override site local and remote names via system properties, e.g.

{code}
        <server-group name="site-earth" profile="clustered">
            <jvm name="default">
                <heap size="64m" max-size="512m"/>
                <jvm-options>
                    <option value="-Djgroups.join_timeout=1000"/>
                    <option value="-Djboss.default.multicast.address=234.99.74.14"/>
                    <option value="-Dtest.site.local.name=EARTH"/>
                    <option value="-Dtest.site.remote.name=MOON"/>
                </jvm-options>
            </jvm>
            <socket-binding-group ref="xsite-sockets"/>
        </server-group>
        <server-group name="site-moon" profile="clustered">
            <jvm name="default">
                <heap size="64m" max-size="512m"/>
                <jvm-options>
                    <option value="-Djgroups.join_timeout=1000"/>
                    <option value="-Djboss.default.multicast.address=234.99.74.24"/>
                    <option value="-Dtest.site.local.name=MOON"/>
                    <option value="-Dtest.site.remote.name=EARTH"/>
                </jvm-options>
            </jvm>
            <socket-binding-group ref="xsite-sockets"/>
        </server-group>
{code}

Right now no system property substitution happens for the elements above and hence it's not possible to achieve this with a single profile. Instead, profiles need to be duplicated making it hard to maintain.



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