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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BROOKLYN-433) YAML-based config constraint to support regex
Date Tue, 28 Feb 2017 16:07:45 GMT

    [ https://issues.apache.org/jira/browse/BROOKLYN-433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15888329#comment-15888329
] 

ASF GitHub Bot commented on BROOKLYN-433:
-----------------------------------------

GitHub user aledsage opened a pull request:

    https://github.com/apache/brooklyn-docs/pull/151

    BROOKLYN-433: docs for yaml config key constraints

    

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

    $ git pull https://github.com/aledsage/brooklyn-docs BROOKLYN-433

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

    https://github.com/apache/brooklyn-docs/pull/151.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 #151
    
----
commit d4650670dee257e33ca0cf595718ef7a796cde79
Author: Aled Sage <aled.sage@gmail.com>
Date:   2017-02-28T16:01:36Z

    BROOKLYN-433: docs for yaml config key constraints

----


> YAML-based config constraint to support regex
> ---------------------------------------------
>
>                 Key: BROOKLYN-433
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-433
>             Project: Brooklyn
>          Issue Type: Improvement
>    Affects Versions: 0.10.0
>            Reporter: Aled Sage
>            Assignee: Aled Sage
>            Priority: Minor
>
> One can specify constraints on a config key's value, to give a validation error if an
invalid value is supplied.
> In the Java code, this can be any predicate.
> However, in YAML we don't support many options. It would be good to support a regex constraint.
For example:
> {noformat}
> brooklyn.parameters:
> - name: address
>   type: string
>   constraints:
>   - required
>   - regex: ^(?:[0-9]{1,3}\.){3}[0-9]{1,3}$
> {noformat}
> See docs at https://raw.githubusercontent.com/apache/brooklyn-docs/master/guide/yaml/yaml-reference.md,
and code at https://github.com/apache/brooklyn-server/blob/master/core/src/main/java/org/apache/brooklyn/core/objs/BasicSpecParameter.java#L204-L205



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