Re: [Fab-user] Feature request - don't use cache

[Brandon Whaley]

Hey Shoham, see if env.eagerly_disconnect=True works for you:
http://docs.fabfile.org/en/1.10/usage/env.html?highlight=eagerly_disconnect#eagerly-disconnect

On Wed, Dec 10, 2014 at 3:14 PM, Shoham Peller <address@hidden> wrote:
> Hello everyone,
>
> Thank you for building and maintaining such useful and well-done code
> package.
>
> I'm using fabric to connect to my virtual machines.
> But every time I'm reverting a machine, fabric fails because it caches it's
> connections (see traceback at the bottom)
>
> If I'm to explain by the code, in fabric/network.py, line 158, fabric checks
> if a connection to the requested address was already made, use that same
> session.
> But if my VM was reverted, the session is not synced and I need fabric to
> re-connect.
>
> So is there a way to force fabric to ignore or empty the cache, or maybe to
> try again if the connection was unsuccessful?
>
> Thank you all again,
> Shoham
>
> ______________________________________________________________________________________________________________________________________________________________
>
> Traceback (most recent call last):
>   File "/home/shoham/main.py", line 80, in <module>
>     main()
>   File "/home/shoham/main.py", line 68, in main
>     execute(task)
>   File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 424,
> in execute
>     results['<local-only>'] = task.run(*args, **new_kwargs)
>   File "/usr/local/lib/python2.7/dist-packages/fabric/tasks.py", line 174,
> in run
>     return self.wrapped(*args, **kwargs)
>   File "/home/shoham/test_mockup.py", line 11, in test_with_file_upload
>     put("/home/shoham/Vagrantfile", "/tmp")
>   File "/usr/local/lib/python2.7/dist-packages/fabric/network.py", line 647,
> in host_prompting_wrapper
>     return func(*args, **kwargs)
>   File "/usr/local/lib/python2.7/dist-packages/fabric/operations.py", line
> 346, in put
>     ftp = SFTP(env.host_string)
>   File "/usr/local/lib/python2.7/dist-packages/fabric/sftp.py", line 30, in
> __init__
>     self.ftp = connections[host_string].open_sftp()
>   File "/usr/local/lib/python2.7/dist-packages/paramiko/client.py", line
> 379, in open_sftp
>     return self._transport.open_sftp_client()
>   File "/usr/local/lib/python2.7/dist-packages/paramiko/transport.py", line
> 811, in open_sftp_client
>     return SFTPClient.from_transport(self)
>   File "/usr/local/lib/python2.7/dist-packages/paramiko/sftp_client.py",
> line 127, in from_transport
>     max_packet_size=max_packet_size)
>   File "/usr/local/lib/python2.7/dist-packages/paramiko/transport.py", line
> 615, in open_session
>     max_packet_size=max_packet_size)
>   File "/usr/local/lib/python2.7/dist-packages/paramiko/transport.py", line
> 696, in open_channel
>     raise SSHException('SSH session not active')
> paramiko.ssh_exception.SSHException: SSH session not active
>
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