[Bug 1965280] Re: rbd-target-api will not start AttributeError: 'Context' object has no attribute 'wrap_socket'

[Liam Young]

** Patch added: "ceph-iscsi-deb.diff"
   https://bugs.launchpad.net/ubuntu/+source/ceph-iscsi/+bug/1965280/+attachment/5569987/+files/ceph-iscsi-deb.diff

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https://bugs.launchpad.net/bugs/1965280

Title:
  rbd-target-api will not start AttributeError: 'Context' object has no
  attribute 'wrap_socket'

Status in ceph-iscsi package in Ubuntu:
  New

Bug description:
  The rbd-target-api fails to start on Ubuntu Impish (21.10) and later.
  This appears to be caused by a werkzeug package revision check in rbd-
  target-api. The check is used to decide whather to add an
  OpenSSL.SSL.Context or a ssl.SSLContext. The code comment suggests
  that ssl.SSLContext is used for werkzeug 0.9 so that TLSv1.2 can be
  used. It is also worth noting that support for OpenSSL.SSL.Context was
  dropped in werkzeug 0.10. The intention of the check appears to be to
  add OpenSSL.SSL.Context if the version of is werkzeug is below 0.9
  otherwise use ssl.SSLContext. When rbd-target-api checks the werkzeug
  revision it only looks at the minor revision number and Ubuntu Impish
  contains werkzeug 1.0.1 which obviously has a minor revision number of
  0 which causes rbd-target-api to use an OpenSSL.SSL.Context which is
  not supported by werkzeug which causes:

  # /usr/bin/rbd-target-api
   * Serving Flask app 'rbd-target-api' (lazy loading)
   * Environment: production
     WARNING: This is a development server. Do not use it in a production deployment.
     Use a production WSGI server instead.
   * Debug mode: off
  Traceback (most recent call last):
    File "/usr/bin/rbd-target-api", line 3022, in <module>
      main()
    File "/usr/bin/rbd-target-api", line 2952, in main
      app.run(host=settings.config.api_host,
    File "/usr/lib/python3/dist-packages/flask/app.py", line 922, in run
      run_simple(t.cast(str, host), port, self, **options)
    File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 1010, in run_simple
      inner()
    File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 950, in inner
      srv = make_server(
    File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 782, in make_server
      return ThreadedWSGIServer(
    File "/usr/lib/python3/dist-packages/werkzeug/serving.py", line 708, in __init__
      self.socket = ssl_context.wrap_socket(self.socket, server_side=True)
  AttributeError: 'Context' object has no attribute 'wrap_socket'

  Reported upstream here: https://github.com/ceph/ceph-iscsi/issues/255

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