[jboss-jira] [JBoss JIRA] (WFLY-1177) Recursive expression resolution

[John Mazzitelli (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-1177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771153#comment-12771153 ] 

John Mazzitelli commented on WFLY-1177:
---------------------------------------

to be clear, the following should still resolve properly:

$\{x:$\{y}/boo}

If sysprop "x" isn't specified, the value should be the resolved value of $\{y}/boo (that is, whatever sysprop "y" value is, appended with "/boo").
                
> Recursive expression resolution
> -------------------------------
>
>                 Key: WFLY-1177
>                 URL: https://issues.jboss.org/browse/WFLY-1177
>             Project: WildFly
>          Issue Type: Feature Request
>          Components: Domain Management
>            Reporter: Brian Stansberry
>            Assignee: Jess Sightler
>              Labels: rhq
>
> When resolving an expression, keep resolving until the output of the resolution matches the input.
> Use case:
> ${sys.prop.with.host.specific.value}
> resolves to
> ${VAULT::xxxxx}
> which resolves to
> thesecret
> Basically, the main mechanism for customizing domain-level configs on a per-host basis is to use expressions and use different values on each host. But this breaks down when a vault expression is added to the mix.

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