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Description of problem:
Ungrouping the last resource from a cloned group produces an invalid CIB


Version-Release number of selected component (if applicable):
0.9.142


How reproducible:
easily


Steps to Reproduce:
1. pcs resource create d1 Dummy --group gr1
2. pcs resource create d2 Dummy --group gr2
3. pcs resource clone gr2
4. pcs resource group add gr1 d2


Actual results:
Error: Unable to update cib
Call cib_replace failed (-203): Update does not conform to the configured schema

The resource has been moved to the group, but the clone was not removed from the CIB:
<clone id="gr2-clone">
  <meta_attributes id="gr2-clone-meta"/>
</clone>

Expected results:
Resource moved to the new group.

Created attachment 1071363 [details]
proposed fix

Before Fix:
[root@rh67-node1 ~]# rpm -q pcs
pcs-0.9.139-9.el6_7.1.x86_64
[root@rh67-node1:~]# pcs resource create d1 Dummy --group gr1
[root@rh67-node1:~]# pcs resource create d2 Dummy --group gr2
[root@rh67-node1:~]# pcs resource clone gr2
[root@rh67-node1:~]# pcs resource group add gr1 d2
Error: Unable to update cib
Call cib_replace failed (-203): Update does not conform to the configured schema
{snip}



After Fix:
[root@rh67-node1:~]# rpm -q pcs
pcs-0.9.145-1.el6.x86_64
[root@rh67-node1:~]# pcs resource create d1 Dummy --group gr1
[root@rh67-node1:~]# pcs resource create d2 Dummy --group gr2
[root@rh67-node1:~]# pcs resource clone gr2
[root@rh67-node1:~]# pcs resource group add gr1 d2
[root@rh67-node1:~]# pcs resource
 Resource Group: gr1
     d1 (ocf::heartbeat:Dummy): Started rh67-node1
     d2 (ocf::heartbeat:Dummy): Started rh67-node1

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/RHBA-2016-0739.html