Документация оставляет желать лучшего, если вы хотите использовать ssh_config.Может ли кто-нибудь предоставить код концепции о том, как на самом деле импортировать ssh_config?
Чтобы добавить к моему отсутствию понимания, я также не уверен, почему следующий код не работает, так как кажется, что мой ssh_config загружен,Единственный способ попасть на хост C - через хост B. Единственный способ попасть на хост B - через хост A. Я использую ProxyJump.
Неработающий пример:
>>> from fabric import Connection
>>> c = Connection('HOST_C')
>>> print(c)
<Connection host=HOST_C gw=proxyjump>
>>> print(c.ssh_config)
{'serveraliveinterval': '60', 'tcpkeepalive': 'yes', 'stricthostkeychecking': 'no', 'forwardagent': 'yes', 'proxyjump': 'HOST_A,HOST_B', 'hostname': 'HOST_C'}
>>> c.run('hostname')
Secsh channel 0 open FAILED: open failed: Administratively prohibited
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<decorator-gen-3>", line 2, in run
File "/Users/username/code/fabric/venv/lib/python3.7/site-packages/fabric/connection.py", line 29, in opens
self.open()
File "/Users/username/code/fabric/venv/lib/python3.7/site-packages/fabric/connection.py", line 608, in open
kwargs["sock"] = self.open_gateway()
File "/Users/username/code/fabric/venv/lib/python3.7/site-packages/fabric/connection.py", line 640, in open_gateway
self.gateway.open()
File "/Users/username/code/fabric/venv/lib/python3.7/site-packages/fabric/connection.py", line 608, in open
kwargs["sock"] = self.open_gateway()
File "/Users/username/code/fabric/venv/lib/python3.7/site-packages/fabric/connection.py", line 655, in open_gateway
src_addr=("", 0),
File "/Users/username/code/fabric/venv/lib/python3.7/site-packages/paramiko/transport.py", line 944, in open_channel
raise e
paramiko.ssh_exception.ChannelException: (1, 'Administratively prohibited')
Рабочий пример:
>>> from fabric import Connection
>>> d = Connection('HOST_C', gateway=Connection('HOST_B', gateway=Connection('HOST_A')))
>>> print(d)
<Connection host=HOST_C gw=proxyjump>
>>> print(d.ssh_config)
{'serveraliveinterval': '60', 'tcpkeepalive': 'yes', 'stricthostkeychecking': 'no', 'forwardagent': 'yes', 'proxyjump': 'HOST_A,HOST_B', 'hostname': 'HOST_C'}
>>> d.run('hostname')
HOST_C
<Result cmd='hostname' exited=0>
На несвязанной ноте, начиная с python 3.7.1, я получаю следующие ошибки с Paramiko.Пакет криптографии находится на версии 2.5.Любое понимание того, почему это может происходить?
/Users/username/code/virtenv3/lib/python3.7/site-packages/paramiko/ecdsakey.py:164: CryptographyDeprecationWarning: Support for unsafe construction of public numbers from encoded data will be removed in a future version. Please use EllipticCurvePublicKey.from_encoded_point
self.ecdsa_curve.curve_class(), pointinfo
/Users/username/code/virtenv3/lib/python3.7/site-packages/paramiko/kex_ecdh_nist.py:39: CryptographyDeprecationWarning: encode_point has been deprecated on EllipticCurvePublicNumbers and will be removed in a future version. Please use EllipticCurvePublicKey.public_bytes to obtain both compressed and uncompressed point encoding.
m.add_string(self.Q_C.public_numbers().encode_point())
/Users/username/code/virtenv3/lib/python3.7/site-packages/paramiko/kex_ecdh_nist.py:96: CryptographyDeprecationWarning: Support for unsafe construction of public numbers from encoded data will be removed in a future version. Please use EllipticCurvePublicKey.from_encoded_point
self.curve, Q_S_bytes
/Users/username/code/virtenv3/lib/python3.7/site-packages/paramiko/kex_ecdh_nist.py:111: CryptographyDeprecationWarning: encode_point has been deprecated on EllipticCurvePublicNumbers and will be removed in a future version. Please use EllipticCurvePublicKey.public_bytes to obtain both compressed and uncompressed point encoding.
hm.add_string(self.Q_C.public_numbers().encode_point())