Knife Preflight Plugin
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A preflight plugin for Chef::Knife which lets you see which nodes and roles use a particular cookbook before you upload it.


Searches the expanded run_lists of all nodes along with the run_list of all roles for the specified cookbook

What it does

knife preflight apache2::default will return a list of all nodes containing this cookbook in their expanded run_list followed by all nodes with the cookbook in their expanded run_list


This will currently only search for cookbooks. It won't work if you specify a role on the command line because I've tried to avoid duplication of functionality which knife makes obvious.