Here is a prototype patch for this feature. Some parts are still missing:

* Make the feature configurable
* Add "batching" support - i.e. if many nodes try to join at the same time then 
we should call the script with a list of nodes, instead of calling the script 
one time for each node.


Attachments:

- 
[clm_autoscale.diff](https://sourceforge.net/p/opensaf/tickets/_discuss/thread/f3a6c60e/944c/attachment/clm_autoscale.diff)
 (5.9 kB; text/x-patch)


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** [tickets:#1453] clm: Call plug-in script when an unconfigured node tries to 
join the cluster**

**Status:** assigned
**Milestone:** 4.7-Tentative
**Created:** Fri Aug 14, 2015 01:06 PM UTC by Anders Widell
**Last Updated:** Mon Aug 17, 2015 10:53 AM UTC
**Owner:** Anders Widell


Add support in CLM for calling a plug-in script when an unconfigured node tries 
to join the cluster. The use-case is primarily scale-out in cloud. By 
installing such a plug-in, it will be possible for an application to 
automatically add appropriate IMM configuration objects for a new node and let 
it join the cluster.


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