[jira] [Updated] (SLING-7768) Allow Placeholders in /etc/map

["Andreas Schaefer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SLING-7768?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Schaefer updated SLING-7768:
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    Attachment: Screenshot 2018-07-06 11.42.41.png

> Allow Placeholders in /etc/map
> ------------------------------
>
>                 Key: SLING-7768
>                 URL: https://issues.apache.org/jira/browse/SLING-7768
>             Project: Sling
>          Issue Type: Improvement
>          Components: ResourceResolver
>         Environment: Sling 11-SNAPSHOT, JDK 1.8
>            Reporter: Andreas Schaefer
>            Priority: Major
>         Attachments: Screenshot 2018-07-06 11.41.58.png, Screenshot 2018-07-06 11.42.41.png, Screenshot 2018-07-06 11.43.34.png
>
>
> Having worked on migrations of a Sling derivate Ruben & I ran into issues where the /etc/map would map to production instead of testing environment.
> Many big customer have extended /etc/maps and also many different environments like dev, qa, staging, prod etc.
> It would be great to have a tool where for example items like the host name or external links in /etc/map could be configured outside so that just one entry has to adjusted rather than creating a full copy of the /etc/map tree.
>  
> Example:
>  
> /etc/map/http/\{{phv.fq.host.name}}.8080
>  
> Placeholder provides:
> DEV: phv.fq.host.name=localhost
> QA: phv.fq.host.name=qa.author.acme.com
> STAGING: phv.fq.host.name=[staging.author.acme.com|http://staging.author.acme.com/]
> PROD: phv.fq.host.name=[acme.com|http://acme.com/]
>  
> At runtime these are the resolved values:
> DEV: http/localhost.8080
> QA: http/qa.author.acme.com.8080
> STAGING: http/[staging.author.acme.com|http://staging.author.acme.com/].8080
> PROD: http/[acme.com|http://acme.com/].8080
>  
> Not only does that make it easier and faster to create new test environments but it also cuts down on the chance of copy-n-paste errors.
>  
> I have a working POC with an PlaceholderProvider OSGi service and an enhanced MapEntries that resolved any placeholders if found.
>  
> Attached are 3 screenshots:
> 1. OSGi Placeholder Provider Configuration
> 2. /etc/map (Composum)
> 3. Result of [http://andreass.local:8080/] call



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