Review Request: deployVirtualMachine api, added a check to see if the userdata provided is base64 encoded.

[Likitha Shetty]

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https://reviews.apache.org/r/6428/
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Review request for cloudstack and Prachi Damle.


Description
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Error out with InvalidParameterValueException in UserVmManagerImpl if userdata 
is not base64 encoded.


This addresses bug CS-14796.


Diffs
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  server/src/com/cloud/vm/UserVmManagerImpl.java f441c72 

Diff: https://reviews.apache.org/r/6428/diff/


Testing
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Thanks,

Likitha Shetty