CryptographyDeprecationWarning: Python 3.6 is no longer supported by the Python

admin

[root@jms_server src]# ansible --version
5 Z8 _+ q: c3 N/ c0 k/usr/local/lib/python3.6/site-packages/ansible/parsing/vault/__init__.py:41: CryptographyDeprecationWarning: Python 3.6 is no longer supported by the Python core team. Therefore, support for it is deprecated in cryptography. The next release of cryptography will remove support for Python 3.6.
3 H7 ^( Q+ A' l' y  from cryptography.exceptions import InvalidSignature
: B7 u- b8 x1 ^) m4 ?( Qansible 2.9.2
, s' ?# _% h8 ?3 k! \& Z1 r" d- B  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
. u$ P" S& E% ^  ansible python module location = /usr/local/lib/python3.6/site-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 3.6.8 (default, Nov 16 2020, 16:55:22) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]
[root@jms_server src]# ansible --versionvim ^C
[root@jms_server src]# vim /usr/local/lib/python3.6/site-packages/ansible/parsing/vault/__init__.py
4 F9 Y( F# Y* y[root@jms_server src]# vim /usr/local/lib/python3.6/site-packages/ansible/parsing/vault/__init__.py
[root@jms_server src]# pip install -I exceptions
ERROR: Could not find a version that satisfies the requirement exceptions (from versions: none)
) X3 K8 |" \! h7 u' JERROR: No matching distribution found for exceptions
: q/ L) }. _4 f" P1 b0 h" e[root@jms_server src]# pip install  exceptions
ERROR: Could not find a version that satisfies the requirement exceptions (from versions: none)
9 d  `' u) k% eERROR: No matching distribution found for exceptions
[root@jms_server src]# pip install  exception
- L9 x; }( V9 A8 l: u$ jCollecting exception
  Downloading exception-0.1.0-py2.py3-none-any.whl (5.7 kB)
/ y$ m9 Q' r+ n6 k# d0 R. DCollecting six
3 X8 }- I4 }  U) D# D+ _# T  Downloading six-1.16.0-py2.py3-none-any.whl (11 kB)
Collecting argparse
5 M/ i, g! \+ ~# ]+ |6 l  Downloading argparse-1.4.0-py2.py3-none-any.whl (23 kB)
9 a/ P' U. T4 A6 Y8 _( _' yInstalling collected packages: six, argparse, exception
Successfully installed argparse-1.4.0 exception-0.1.0 six-1.16.0
" b) B" p. V# y. HWARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
2 w2 @) v7 P$ P8 J[root@jms_server src]# ansible --version
/usr/local/lib/python3.6/site-packages/ansible/parsing/vault/__init__.py:41: CryptographyDeprecationWarning: Python 3.6 is no longer supported by the Python core team. Therefore, support for it is deprecated in cryptography. The next release of cryptography will remove support for Python 3.6.
  from cryptography.exceptions import InvalidSignature
ansible 2.9.2
5 e1 E/ m" n  j) E  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
* g9 C8 G7 I6 J% F5 s$ b  ansible python module location = /usr/local/lib/python3.6/site-packages/ansible
. L* q% L0 l: L, b- E- p: R8 j  executable location = /usr/local/bin/ansible
  python version = 3.6.8 (default, Nov 16 2020, 16:55:22) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]
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! `% K1 o: F: t4 h, J9 i5 D' X# o) q[root@jms_server src]# pip show cryptography
& K2 T% I( Y4 ~Name: cryptography
Version: 40.0.2
Summary: cryptography is a package which provides cryptographic recipes and primitives to Python developers.
Home-page: https://github.com/pyca/cryptography
* U- u' s- [1 e2 B$ R4 X9 ]- xAuthor: The Python Cryptographic Authority and individual contributors
8 K7 M; Z, V* |0 g: D4 s0 m% q; g; |Author-email: cryptography-dev@python.org
License: (Apache-2.0 OR BSD-3-Clause) AND PSF-2.0
8 |; i. d0 U! b8 r. F. U3 D& ULocation: /usr/local/lib64/python3.6/site-packages
" |) r  p2 {$ KRequires: cffi
Required-by: ansible
[root@jms_server_01 src]# pip install -I "cryptography==3.4.8"
% o- x# G, a, O3 v, D; h4 ACollecting cryptography==3.4.8
8 G% K4 C$ [6 j1 c1 @' H+ Q! r  Downloading cryptography-3.4.8-cp36-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl (3.2 MB)
& G  @' A4 I6 c. A, L1 ]* s     |████████████████████████████████| 3.2 MB 862 kB/s            
Collecting cffi>=1.12
  Using cached cffi-1.15.1-cp36-cp36m-manylinux_2_5_x86_64.manylinux1_x86_64.whl (402 kB)
Collecting pycparser
  Using cached pycparser-2.21-py2.py3-none-any.whl (118 kB)
Installing collected packages: pycparser, cffi, cryptography
Successfully installed cffi-1.15.1 cryptography-40.0.2 pycparser-2.21
5 |' O' _% h) m: d3 e% RWARNING: Running pip as the 'root' user can result in broken permissions and conflicting behaviour with the system package manager. It is recommended to use a virtual environment instead: https://pip.pypa.io/warnings/venv
9 e/ V/ S2 t- o- ?+ E" _[root@jms_server_01 src]# ansible --version
ansible 2.9.2
# X6 t, ]- S. }2 Q& s  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
9 p1 P2 o6 q+ ~2 M6 g. R  ansible python module location = /usr/local/lib/python3.6/site-packages/ansible
% V* j' O& _# B4 y$ V  executable location = /usr/local/bin/ansible
7 _2 A9 U- \# {# C2 l) d( s* ]  python version = 3.6.8 (default, Nov 16 2020, 16:55:22) [GCC 4.8.5 20150623 (Red Hat 4.8.5-44)]
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admin

原因:此时版本python 3.6 ；Cryptography 37.04
0 [+ ?/ B! i4 ^
解决办法:降版本，降Cryptography至3.4.8，就可以正常运行；

                或者升级python3.9 ，高版本的python可以兼容这些冲突
+ ?/ ~" t5 a9 R4 J2 Q
先查看已经安装的Cryptography版本
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* |6 @8 r. I' E; |& c  y