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> Description of problem:

When a non-existent ACL role is referenced within creating a user/group, pcs errors out with invalid CIB. 

[root@virt-041 ~]# pcs acl user create MyUser TestRole
Error: Unable to update cib
Call cib_replace failed (-203): Update does not conform to the configured schema
<cib crm_feature_set="3.0.9" validate-with="pacemaker-2.3" epoch="344" num_updates="0" admin_epoch="0" cib-last-written="Mon Mar 16 17:25:35 2015" have-quorum="1" dc-uuid="2">
...

[root@virt-041 ~]# pcs acl group create MyGroup TestRole
Error: Unable to update cib
Call cib_replace failed (-203): Update does not conform to the configured schema
<cib crm_feature_set="3.0.9" validate-with="pacemaker-2.3" epoch="345" num_updates="0" admin_epoch="0" cib-last-written="Mon Mar 16 17:32:51 2015" have-quorum="1" dc-uuid="2">
...

The relevant ACL part, where role definition is missing:

...
<acls>
  <acl_target id="MyUser">
    <role id="TestRole"/>
  </acl_target>
</acls>
...

We should check if the role exists before adding a user.


> Version-Release number of selected component (if applicable):
pcs-0.9.137-13.el7.x86_64
pacemaker-1.1.12-22.el7.x86_64

Created attachment 1015613 [details]
proposed fix

Before Fix:
[root@rh71-node1 ~]# rpm -q pcs
pcs-0.9.137-13.el7_1.2.x86_64
[root@rh71-node1:~]# pcs acl
ACLs are disabled, run 'pcs acl enable' to enable

[root@rh71-node1:~]# pcs acl user create MyUser TestRole
Error: Unable to update cib
Call cib_replace failed (-203): Update does not conform to the configured schema
...
[root@rh71-node1:~]# pcs acl group create MyGroup TestRole
Error: Unable to update cib
Call cib_replace failed (-203): Update does not conform to the configured schema
...



After Fix:
[root@rh71-node1:~]# rpm -q pcs
pcs-0.9.140-1.el6.x86_64
[root@rh71-node1:~]# pcs acl
ACLs are disabled, run 'pcs acl enable' to enable

[root@rh71-node1:~]# pcs acl user create MyUser TestRole
Error: cannot find acl role: TestRole
[root@rh71-node1:~]# echo $?
1
[root@rh71-node1:~]# pcs acl group create MyGroup TestRole
Error: cannot find acl role: TestRole
[root@rh71-node1:~]# echo $?
1

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-2290.html