def sftp(self):
if self._sftp is None:
if self.properties['username'] == 'root':
self.logger.debug("Opening SFTP session")
self._sftp = self.client.open_sftp()
else:
self.logger.debug("Opening sudo-wrapped SFTP")
chan = self._root_command(self.properties['sftp_server'])
self.logger.debug("Connecting SFTP Client.")
self._sftp = SFTPClient(chan)
return self._sftp
def open_sftp_with_timeout(client, timeout=5):
"""
SFTP Connection to transfer files and environment between Auptimizer source machine and remote machine.
"""
t = client.get_transport()
chan = t.open_session(window_size=None,
max_packet_size=None,
timeout=timeout)
if chan is None:
return None
chan.invoke_subsystem("sftp")
return SFTPClient(chan)
