Best Python code snippet using tempest_python
ssh.py
Source: ssh.py
...9 self.host = host10 self.username = username11 self.password = password12 self.timeout = int(timeout)13 def _get_ssh_connection(self):14 """Returns an ssh connection to the specified host"""15 _timeout = True16 ssh = paramiko.SSHClient()17 ssh.set_missing_host_key_policy(18 paramiko.AutoAddPolicy())19 _start_time = time.time()20 while not self._is_timed_out(self.timeout, _start_time):21 try:22 ssh.connect(self.host, username=self.username, 23 password=self.password, look_for_keys=False,24 timeout=self.timeout)25 _timeout = False26 break27 except socket.error:28 continue29 except paramiko.AuthenticationException:30 time.sleep(15)31 continue32 if _timeout:33 raise socket.error("SSH connect timed out")34 return ssh35 def _is_timed_out(self, timeout, start_time):36 return (time.time() - timeout) > start_time37 def connect_until_closed(self):38 """Connect to the server and wait until connection is lost"""39 try:40 ssh = self._get_ssh_connection()41 _transport = ssh.get_transport()42 _start_time = time.time()43 _timed_out = self._is_timed_out(self.timeout, _start_time)44 while _transport.is_active() and not _timed_out:45 time.sleep(5)46 _timed_out = self._is_timed_out(self.timeout, _start_time)47 ssh.close()48 except (EOFError, paramiko.AuthenticationException, socket.error):49 return50 def exec_command(self, cmd):51 """Execute the specified command on the server.52 :returns: data read from standard output of the command53 """54 ssh = self._get_ssh_connection()55 stdin, stdout, stderr = ssh.exec_command(cmd)56 output = stdout.read()57 ssh.close()58 return output59 def test_connection_auth(self):60 """ Returns true if ssh can connect to server"""61 try:62 connection = self._get_ssh_connection()63 connection.close()64 except paramiko.AuthenticationException:65 return False...
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