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How to use _get_ssh_connection method in tempest

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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