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Bug 1544592 - 'ipa help <topic>' seems to fail if 'ipa help topics' has not been run
Summary: 'ipa help <topic>' seems to fail if 'ipa help topics' has not been run
Keywords:
Status: CLOSED DUPLICATE of bug 1477243
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: ipa
Version: 7.4
Hardware: Unspecified
OS: Unspecified
unspecified
low
Target Milestone: rc
: ---
Assignee: IPA Maintainers
QA Contact: ipa-qe
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-02-13 01:24 UTC by Morgan Weetman
Modified: 2018-02-13 16:19 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-02-13 16:19:40 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
traceback (6.00 KB, text/plain)
2018-02-13 01:24 UTC, Morgan Weetman 		no flags Details
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Description Morgan Weetman 2018-02-13 01:24:12 UTC 
Created attachment 1395155 [details]
traceback

Description of problem:
'ipa help <topic>' seems to fail if 'ipa help topics' has not been run, it looks like the help may be built dynamically when 'ipa help topics' is run.

Version-Release number of selected component (if applicable):
ipa-client-4.5.0-20.el7.x86_64

How reproducible:


Steps to Reproduce:
1. install and configure ipa-client
2. ipa help user
<traceback_occurs>
3. ipa help topics
4. ipa help user
<command_works>

Actual results:
traceback on initial execution of 'ipa help user'

Expected results:
'ipa help user' should work the first time

Additional info:
See attached traceback
Comment 2 Rob Crittenden 2018-02-13 14:38:13 UTC 
Simplified reproducer doesn't need the help topics. Just do help user twice in a row. 

Be sure to delete the schema cache first:

# rm -rf ~/.cache/ipa


The first time execution fails with traceback:

# ipa help user
ipa: ERROR: TypeError: 'NoneType' object has no attribute '__getitem__'
Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/ipalib/cli.py", line 1351, in run
    sys.exit(api.Backend.cli.run(argv))
  File "/usr/lib/python2.7/site-packages/ipalib/cli.py", line 1105, in run
    kw = self.parse(cmd, argv[1:])
  File "/usr/lib/python2.7/site-packages/ipalib/cli.py", line 1125, in parse
    parser = self.build_parser(cmd)
  File "/usr/lib/python2.7/site-packages/ipalib/cli.py", line 1142, in build_parser
    usage=' '.join(self.usage_iter(cmd)),
  File "/usr/lib/python2.7/site-packages/ipalib/cli.py", line 1220, in usage_iter
    for arg in cmd.args():
  File "/usr/lib/python2.7/site-packages/ipalib/plugable.py", line 255, in __get__
    obj.ensure_finalized()
  File "/usr/lib/python2.7/site-packages/ipalib/plugable.py", line 230, in ensure_finalized
    self.finalize()
  File "/usr/lib/python2.7/site-packages/ipalib/plugable.py", line 210, in finalize
    self._on_finalize()
  File "/usr/lib/python2.7/site-packages/ipalib/cli.py", line 733, in _on_finalize
    if c.NO_CLI:
  File "/usr/lib/python2.7/site-packages/ipaclient/remote_plugins/schema.py", line 247, in NO_CLI
    halp = self._schema[self.schema_key].get_help(self.full_name)
  File "/usr/lib/python2.7/site-packages/ipaclient/remote_plugins/schema.py", line 329, in get_help
    return self._schema.get_help(self.name, key)
  File "/usr/lib/python2.7/site-packages/ipaclient/remote_plugins/schema.py", line 520, in get_help
    return self._help[namespace][member]
TypeError: 'NoneType' object has no attribute '__getitem__'
ipa: ERROR: an internal error has occurred

Subsequent ones are fine because cache is there.
Comment 3 Rob Crittenden 2018-02-13 16:19:40 UTC 
Fix upstream in ipa-4-5:

    9308e63 Store help in Schema before writing to disk
    7352b73 Disable pylint in get_help function because of type confusion.

*** This bug has been marked as a duplicate of bug 1477243 ***
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