So I've created a ID override on the IPA master called "TestShellView" to test 
out changing per-user requirements for shells.

Verify the ID override on the master:
[root@ipamaster01 ~]# ipa idoverrideuser-find TestShellView
--------------------------
1 User ID override matched
--------------------------
  Anchor to override: user@domain
  GECOS: TEST ID VIEW
  Login shell: /bin/ksh
----------------------------
Number of entries returned 1
----------------------------

Good, looks as expected. I also tested the GECOS override just in case such a 
thing was needed in the future.

[root@rhel7template ~]# getent passwd user@domain
user@domain:*:689709720:689709720:TEST ID VIEW:/home/domain/user:/bin/ksh

Looks good. It's doing what it's supposed to be doing.
So now we remove the GECOS and shell settings in the webUI and verify via CLI 
that they're gone:

[root@ipamaster01 ~]# ipa idoverrideuser-find TestShellView
--------------------------
1 User ID override matched
--------------------------
  Anchor to override: user@domain
----------------------------
Number of entries returned 1
----------------------------

Still good so far. No overrides defined.

Clear the cache to verify that the data is fresh.

[root@rhel7template ~]# sss_cache -E
[root@rhel7template ~]# getent passwd user@domain
user@domain:*:689709720:689709720:TEST ID VIEW:/home/domain/user:/bin/ksh

That's not right...
The default and fallback don't call for ksh either:

[root@rhel7template ~]# cat /etc/sssd/sssd.conf | grep shell
allowed_shells = /bin/bash,/bin/sh,/bin/ksh
shell_fallback = /sbin/nologin
default_shell = /bin/bash

So let's try purging the cache files...
[root@rhel7template ~]# cd /var/lib/sss/db/
[root@rhel7template db]# ls
<cache file listing>
[root@rhel7template db]# rm -f *
[root@rhel7template db]# ls
[root@rhel7template db]# service sssd restart
Redirecting to /bin/systemctl restart sssd.service
[root@rhel7template db]# getent passwd user@domain
user@domain:*:689709720:689709720:Username:/home/domain/user:/bin/bash

Now it's showing what it's supposed to.

This shouldn't be happening. If we have to purge sss cache files each time we 
make an ID Override change, this won't work. Is this expected behavior, or is 
this a bug?

David Eddleman
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