[Bug 1677730] Re: keystone-manage mapping_engine is broken: TypeError

[Frode Nordahl]

** Description changed:

- [Impact]
- 
-  * A bug in keystone-manage tool prohibits the use of the mapping_engine
- command for testing federation rules.
- 
-  * Users of Keystone Federation will not be able to verify their mapping
- rules before pushing these to production.
- 
-  * Not being able to test rules before pushing to production is a major
- operational challenge for our users.
- 
-  * The proposed upload fixes this by backporting a fix for this issue
- from upstream stable/ocata.
- 
- [Test Case]
- 
-  * Deploy keystone using Juju with this bundle:
-    http://pastebin.ubuntu.com/24855409/
- 
- 
-  * ssh to keystone unit, grab artifacts and run command:
-    - mapping.json: http://pastebin.ubuntu.com/24855419/
-    - input.txt: http://pastebin.ubuntu.com/24855420/
-    - command:
-    'keystone-manage mapping_engine --rules mapping.json --input input.txt'
- 
-  * Observe that command provides no output and that a Python Traceback
- is printed in /var/log/keystone/keystone.log
- 
-  * Install the proposed package, repeat the above steps and observe that
- the command now outputs its interpretation and effect of the rules.
- 
- [Regression Potential]
- 
-  * keystone-manage mapping_engine is a operational test tool and is
- solely used by the operator to test their rules.
- 
-  * The distributed version of this command in Xenial and Yakkety does
- currently not work at all.
- 
-  * The change will make the command work as our users expect it to.
- 
- [Original bug description]
  Running `keystone-manage mapping_engine` (with parameters) is broken:
  
  2017-03-30 16:09:11.982 13513 CRITICAL keystone [-] TypeError: __init__() takes exactly 3 arguments (2 given)
  2017-03-30 16:09:11.982 13513 ERROR keystone Traceback (most recent call last):
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/bin/keystone-manage", line 10, in <module>
  2017-03-30 16:09:11.982 13513 ERROR keystone     sys.exit(main())
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/manage.py", line 44, in main
  2017-03-30 16:09:11.982 13513 ERROR keystone     cli.main(argv=sys.argv, config_files=config_files)
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 1270, in main
  2017-03-30 16:09:11.982 13513 ERROR keystone     CONF.command.cmd_class.main()
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 1143, in main
  2017-03-30 16:09:11.982 13513 ERROR keystone     rp = mapping_engine.RuleProcessor(rules['rules'])
  2017-03-30 16:09:11.982 13513 ERROR keystone TypeError: __init__() takes exactly 3 arguments (2 given)
  
  Affects mitaka, newton and ocata stable (centos-release).

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https://bugs.launchpad.net/bugs/1677730

Title:
  keystone-manage mapping_engine is broken: TypeError

Status in OpenStack Identity (keystone):
  Invalid
Status in OpenStack Identity (keystone) newton series:
  In Progress
Status in OpenStack Identity (keystone) ocata series:
  Fix Released

Bug description:
  Running `keystone-manage mapping_engine` (with parameters) is broken:

  2017-03-30 16:09:11.982 13513 CRITICAL keystone [-] TypeError: __init__() takes exactly 3 arguments (2 given)
  2017-03-30 16:09:11.982 13513 ERROR keystone Traceback (most recent call last):
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/bin/keystone-manage", line 10, in <module>
  2017-03-30 16:09:11.982 13513 ERROR keystone     sys.exit(main())
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/manage.py", line 44, in main
  2017-03-30 16:09:11.982 13513 ERROR keystone     cli.main(argv=sys.argv, config_files=config_files)
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 1270, in main
  2017-03-30 16:09:11.982 13513 ERROR keystone     CONF.command.cmd_class.main()
  2017-03-30 16:09:11.982 13513 ERROR keystone   File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 1143, in main
  2017-03-30 16:09:11.982 13513 ERROR keystone     rp = mapping_engine.RuleProcessor(rules['rules'])
  2017-03-30 16:09:11.982 13513 ERROR keystone TypeError: __init__() takes exactly 3 arguments (2 given)

  Affects mitaka, newton and ocata stable (centos-release).

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