Open Stack

I've written and here contribute for your hacking pleasure a couple of
things I've found useful.

The first is an ability to ssh to an arbitrary instance inside an OpenStack
cloud, without having any public IP. https://github.com/donbowman/ssh-jump

The second is an ability to vpn to an arbitrary instance instance inside an
OpenStack cloud, also without public IP.
https://github.com/donbowman/sstp-proxy

These work properly with namespaces and with multiple compute/network
nodes. For the 'ssh jump', I created a 'jump' user (which doesn't allow
interactive login) on the l3 router node. This allows users to simply 'ssh
me at myhost+cloud', and the +cloud does all the magic.

For the 'sstp proxy', I parse the SSTP url to extract the tenant/user/host,
and then proxy an SSTP session in to that host. I used softether on the
host.

I find the former (ssh) very useful for e.g. scp, port-forward, generally
accessing my instances. The 2nd is nice because it allows an external host
to become 'inside' your Heat stack.

Enjoy and fork @ will.

--don
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