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Added support for downloading boxes via SCP #1041

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vaimo-wilko commented Jul 25, 2012

Since we have certain sensitive box files that we do not want on the open internet, we needed a way to add user authentication/authorization to box downloads.

We already have a good SSH key authentication framework in our infrastructure, so by using SCP we avoid having to set up a parallel authentication system via HTTP(S). With SCP we effectively get authentication/authorization for free.

I am contributing this, as this could be nice to have as a standard feature in Vagrant, for others to use too.

There is one thing currently not as I would like it to be, due to a bug/misfeature in Net::SSH. Unlike the command line SSH client, Net::SSH does not fall back to the currently logged in user, if no user is specified (either to the Net::SSH.start function or in the ssh config files).

This means that SCP URIs must be given a user (e.g. scp://user@host/path/to/file), if no user is specified in the ssh config file for the specific host.

I will submit a fix for this bug/misfeature to the Net::SSH project.


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lmars commented Sep 27, 2012

+1 for this being merged


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frak commented Sep 27, 2012

Any news on this feature being merged? This would be really useful in my organisation too


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Whitespace commented Oct 23, 2012

+1, this would be extremely useful on networks where the security is rigorously maintained by some other means.


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rb2k commented Nov 15, 2012

+1 from me too


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alexanderilyin commented Nov 15, 2012

+1. It's nice to have.


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fgrehm commented Jul 10, 2013

hey @mitchellh, is this currently supported now that we have curl around? shall we close this issue?


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mitchellh commented Jul 11, 2013

Yep, since vagrant box add and friends use cURL now, SCP is natively supported.


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gsaslis commented Feb 26, 2015

in case someone else is also struggling, it took me a while to realize curl on OSX doesn't support scp out of the box (so, neither does vagrant). Check this URL for a way round this problem:

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