Issue #7583 has been updated by R.I. Pienaar.

Status changed from Accepted to Ready For Checkin


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Feature #7583: Plugin Activation - Configuration and Supportability Checks
https://projects.puppetlabs.com/issues/7583

Author: Ken Barber
Status: Ready For Checkin
Priority: Normal
Assignee: R.I. Pienaar
Category: Core
Target version: 1.3.x
Keywords: 
Branch: ripienaar/feature/master/7583
Affected mCollective version: 


MCollective plugins that exist on a system should have a mechanism for being 
enabled/disabled based on a) checks that the plugin does itself to make sure it 
_can_ run - like checking for any dependencies they need or b) a user defined 
switch in a configuration file somewhere. 

This way - we can distribute plugins on all systems using something trivial 
like Puppet pluginsync and have an administrator either disable/enable them 
selectively. It will also mean that plugins that could not possibly work - like 
an iptables plugin on FreeBSD - will disable itself.

One technique would be to provide a method in the plugin called 'activate?' 
which when called returns a true or false. The abstract parent provides 
behaviour which checks a configuration file for example - but other checks such 
as searching for executables can also be done.

We could also mimic the :contraint behaviour in Puppet providers for certain 
plugins to only work based on facts checks such as supported operating systems.


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