Debian package: Pin cryptography version to 2.0 to fix WSL

[derekbekoe]

Addresses #4154.
Once merged, this change will come into affect for the next CLI release.

[codecov-io]

Codecov Report

Merging #4251 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4251   +/-   ##
=======================================
  Coverage   70.05%   70.05%           
=======================================
  Files         475      475           
  Lines       29614    29614           
  Branches     4541     4541           
=======================================
  Hits        20746    20746           
+ Misses       7424     7420    -4     
- Partials     1444     1448    +4

Impacted Files	Coverage Δ
src/azure-cli-core/azure/cli/core/util.py	69.73% <0%> (ø)	⬆️
...dback/azure/cli/command_modules/feedback/custom.py	31.25% <0%> (ø)	⬆️
...nent/azure/cli/command_modules/component/custom.py	16.26% <0%> (ø)	⬆️
...li-cloud/azure/cli/command_modules/cloud/custom.py	13.79% <0%> (ø)	⬆️

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[derekbekoe]

This should be merged before the next CLI release.
FYI @troydai @tjprescott @yugangw-msft

[tjprescott]

LGTM. Is this issue posted in the cryptography repo or WSL?

[derekbekoe]

Yes here - microsoft/WSL#2431

[Hickory420]

Having the same issue with ansible-vault on WSL: Microsoft Windows [Version 10.0.15063]

Here is the stack trace:

$ echo -n "the plaintext to encrypt" | ansible-vault encrypt_string -vvv
No config file found; using defaults
New Vault password:
Confirm New Vault password:
Reading plaintext input from stdin. (ctrl-d to end input)
ERROR! Unexpected Exception: /home/hickory/.local/lib/python3.5/site-packages/cryptography/hazmat/bindings/_openssl.abi3.so: cannot enable executable stack as shared object requires: Invalid argument
the full traceback was:

Traceback (most recent call last):
  File "/home/hickory/.local/bin/ansible-vault", line 109, in <module>
    exit_code = cli.run()
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/cli/vault.py", line 158, in run
    self.execute()
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/cli/__init__.py", line 149, in execute
    fn()
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/cli/vault.py", line 269, in execute_encrypt_string
    outputs = self._format_output_vault_strings(b_plaintext_list)
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/cli/vault.py", line 299, in _format_output_vault_strings
    b_ciphertext = self.editor.encrypt_bytes(b_plaintext)
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/parsing/vault/__init__.py", line 415, in encrypt_bytes
    b_ciphertext = self.vault.encrypt(b_plaintext)
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/parsing/vault/__init__.py", line 209, in encrypt
    b_ciphertext = this_cipher.encrypt(b_plaintext, self.b_password)
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/parsing/vault/__init__.py", line 748, in encrypt
    b_key1, b_key2, b_iv = self._gen_key_initctr(b_password, b_salt)
  File "/home/hickory/.local/lib/python3.5/site-packages/ansible/parsing/vault/__init__.py", line 729, in _gen_key_initctr
    backend = default_backend()
  File "/home/hickory/.local/lib/python3.5/site-packages/cryptography/hazmat/backends/__init__.py", line 15, in default_backend
    from cryptography.hazmat.backends.openssl.backend import backend
  File "/home/hickory/.local/lib/python3.5/site-packages/cryptography/hazmat/backends/openssl/__init__.py", line 7, in <module>
    from cryptography.hazmat.backends.openssl.backend import backend
  File "/home/hickory/.local/lib/python3.5/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 53, in <module>
    from cryptography.hazmat.bindings.openssl import binding
  File "/home/hickory/.local/lib/python3.5/site-packages/cryptography/hazmat/bindings/openssl/binding.py", line 13, in <module>
    from cryptography.hazmat.bindings._openssl import ffi, lib
ImportError: /home/hickory/.local/lib/python3.5/site-packages/cryptography/hazmat/bindings/_openssl.abi3.so: cannot enable executable stack as shared object requires: Invalid argument