Exception in post bootstrap summary

[vikramgorla]

kinfe rackspace throws an exception after a successful bootstrap when there is a single item in runlist (in my case, only one item role[web-rackspace], can soomething be done to catch if it a string or an array and then pass the output accordingly.

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Public DNS Name: xxx.xxx.xxx.xxx.xip.io
Public IP Address: xxx.xxx.xxx.xxx
Private IP Address: xxx.xxx.xxx.xxx
Password: xxxxxxxxxxxx
Environment: rackspace-web-server
ERROR: knife encountered an unexpected error
This may be a bug in the 'rackspace server create' knife command or plugin
Please collect the output of this command with the -VV option before filing a bug report.
Exception: NoMethodError: undefined method `join' for "role[web-rackspace]":String

[martinb3]

This appears to be an issue in https://github.com/chef/knife-rackspace/blob/96d2efb0b6908ee1d6b0f30917c9a06a1984f9c1/lib/chef/knife/rackspace_server_create.rb#L501.