[jira] [Commented] (BROOKLYN-381) Support nested DSL in $brooklyn:entity

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BROOKLYN-381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15647955#comment-15647955 ] 

ASF GitHub Bot commented on BROOKLYN-381:
-----------------------------------------

GitHub user aledsage opened a pull request:

    https://github.com/apache/brooklyn-server/pull/417

    BROOKLYN-381: support nested DSL for $brooklyn:entity()

    Note this builds on https://github.com/apache/brooklyn-server/pull/416; please review + merge that PR first. I'll then rebase so the initial commits disappear.
    
    @googlielmo you'll be interested in this.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/aledsage/brooklyn-server feature/dsl-entity-nested-dsl

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/brooklyn-server/pull/417.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #417
    
----

----


> Support nested DSL in $brooklyn:entity
> --------------------------------------
>
>                 Key: BROOKLYN-381
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-381
>             Project: Brooklyn
>          Issue Type: Improvement
>    Affects Versions: 0.9.0
>            Reporter: Aled Sage
>
> When using the yaml DSL to look up values on other entities, it would be useful to be able to make this more dynamic by getting the entity id from the DSL (e.g. from another attribute).
> For example, a slightly simplified example below - note the DSL for "url", to retrieve the URL from an entity whose id is set dynamically on the {{TestHttpCall}} entity:
> {noformat}
> services:
> - type: org.apache.brooklyn.entity.nosql.riak.RiakCluster
>   id: target-app
> ...
> - type: loop-test-case
>   name: "Value replicated on all Riak nodes"
>   brooklyn.config:
>     target: $brooklyn:component("target-app")
>     testSpec:
>       $brooklyn:entitySpec:
>         type: test-http-status-200
>         brooklyn.config:
>           url: $brooklyn:entity(config("targetId")).attributeWhenReady("main.uri")
> {noformat}



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