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https://issues.apache.org/jira/browse/SLING-3148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836637#comment-13836637
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Bertrand Delacretaz commented on SLING-3148:
--------------------------------------------
At revision 1547023 I have updated my
https://svn.apache.org/repos/asf/sling/whiteboard/bdelacretaz/feature-flags
prototype as follows:
* RandomProvider uses a configuration factory to create 0.N random flag
providers, each with their own name and activation percentage.
* HideResourceDecorator can be configured to hide resources behind a
SyntheticResource with a configurable resource type, if a given feature flag is
false.
* NullRenderingServlet provides a null rendering (empty response) for resources
which have the hidden-by-flag resource type.
With this, the following OSGi configs have the effect of randomly hiding all or
part of /index.html for example: the page itself, CSS style, images come and go
randomly.
{code}
Factory PID =
org.apache.sling.extensions.featureflags.api.HideResourceDecorator
flag.name = random.50
hidden.resource.type = hidden-by-flag
Factory PID =
org.apache.sling.extensions.featureflags.impl.providers.RandomProvider
name = random.50
active.percentage = 50
{code}
I don't mean for any of this to necessarily find its way into Sling, but this
allows for experimenting without touching the Sling core, for now.
> Implement support for Feature Flags/Toggles in Sling
> ----------------------------------------------------
>
> Key: SLING-3148
> URL: https://issues.apache.org/jira/browse/SLING-3148
> Project: Sling
> Issue Type: New Feature
> Components: General
> Reporter: Henry Saginor
> Priority: Minor
>
> It would be nice if sling provide support for feature flags (also called
> toggles) pattern [1].
> I am thinking the implementation could provide the following.
> 1) Integrate an existing framework such as togglz [2] or implement something
> similar with UI/Configuration to toggle features.
> 2) Create a jcr property (sling:Feature) which can be added to resource type
> nodes. Then some conditional logic in <sling:include>, and get and post
> servlets determines if the resource should be rendered if its resource type
> contains such property.
> [1] http://en.wikipedia.org/wiki/Feature_toggle
> [2] http://www.togglz.org/
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