def _get_connection(self):
"""Make SSH connection to the CSR.
The external ncclient library is used for creating this connection.
This method keeps state of any existing connections and reuses them if
already connected. Also CSR1kv's interfaces (except management) are
disabled by default when it is booted. So if connecting for the first
time, driver will enable all other interfaces and keep that status in
the `_intfs_enabled` flag.
"""
try:
if self._csr_conn and self._csr_conn.connected:
return self._csr_conn
else:
self._csr_conn = manager.connect(host=self._csr_host,
port=self._csr_ssh_port,
username=self._csr_user,
password=self._csr_password,
device_params={'name': "csr"},
timeout=self._timeout)
if not self._intfs_enabled:
self._intfs_enabled = self._enable_intfs(self._csr_conn)
return self._csr_conn
except Exception as e:
conn_params = {
'host': self._csr_host,
'port': self._csr_ssh_port,
'user': self._csr_user,
'timeout': self._timeout,
'reason': e.message
}
raise cfg_exc.ConnectionException(**conn_params)
def _get_connection(self):
"""Make SSH connection to the IOS XE device.
The external ncclient library is used for creating this connection.
This method keeps state of any existing connections and reuses them if
already connected. Also interfaces (except management) are typically
disabled by default when it is booted. So if connecting for the first
time, driver will enable all other interfaces and keep that status in
the `_itfcs_enabled` flag.
"""
try:
if self._ncc_connection and self._ncc_connection.connected:
return self._ncc_connection
else:
# ncclient needs 'name' to be 'csr' in order to communicate
# with the device in the correct way.
self._ncc_connection = manager.connect(
host=self._host_ip, port=self._host_ssh_port,
username=self._username, password=self._password,
device_params={'name': "csr"}, timeout=self._timeout)
if not self._itfcs_enabled:
self._itfcs_enabled = self._enable_itfcs(
self._ncc_connection)
return self._ncc_connection
except Exception as e:
conn_params = {'host': self._host_ip, 'port': self._host_ssh_port,
'user': self._username,
'timeout': self._timeout, 'reason': e.message}
raise cfg_exc.ConnectionException(**conn_params)