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Re: [libvirt] Web Interface -> LibVirt Communication?



On Wed, Jul 09, 2008 at 06:57:11AM -0700, Michael March wrote:
> This might not be the 'right way' but here is how I handled 
> communication to each Xen instance my web interface is managing. I used 
> the ssh style connect string.. even if it was a local instance.. here is 
> a line ripped right from my code:
> 
> server_list={"michael":['127.0.0.1',""], "tito":['192.168.101.5',""], 
> "jermaine":['192.168.101.6',""}
> 
> .. then later in my code...
> 
> for server in server_list:
>    server_list[server][1] = 
> libvirt.open('xen+ssh://root@'+server_list[server][0]+'/')

I wouldn't recommend using the SSH transport for serious management
tools. If you want a simple username/password based auth scheme which 
is trivial to setup, then the Digest-MD5 scheme is best bet. The
SSH tunnel capability is handy for ad-hoc sysadmin work, but it suffers
from having a high initial connection overhead and poor diagnostics 
when things go wrong. 

Digest-MD5 is easy to setup, only requiring you to create a user on each
managed node which your app will authenticate as:

  http://libvirt.org/auth.html#ACL_server_username

Daniel
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