Red Hat Bugzilla – Bug 1158537
Removing a resource from a group also removes constraints mentioning that group
Last modified: 2015-11-19 04:33:03 EST
Description of problem: Removing a resource from a group also removes constraints mentioning that group. Version-Release number of selected component (if applicable): pcs-0.9.135 How reproducible: always Steps to Reproduce: [root@rh70-node1:~]# pcs resource create dummy1 Dummy --group=dummies [root@rh70-node1:~]# pcs resource create dummy2 Dummy --group=dummies [root@rh70-node1:~]# pcs resource Resource Group: dummies dummy1 (ocf::heartbeat:Dummy): Started dummy2 (ocf::heartbeat:Dummy): Started [root@rh70-node1:~]# pcs constraint location dummies rh70-node1=100 [root@rh70-node1:~]# pcs constraint Location Constraints: Resource: dummies Enabled on: rh70-node1 (score:100) Ordering Constraints: Colocation Constraints: [root@rh70-node1:~]# pcs resource group remove dummies dummy2 Removing Constraint - location-dummies-rh70-node1-100 [root@rh70-node1:~]# pcs constraint Location Constraints: Ordering Constraints: Colocation Constraints: Actual results: Constraint related to the group has been removed. Expected results: Constraint related to the group is preserved. Additional info: github issue: https://github.com/feist/pcs/issues/46
Created attachment 993906 [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 resource create dummy1 Dummy --group=dummies [root@rh71-node1:~]# pcs resource create dummy2 Dummy --group=dummies [root@rh71-node1:~]# pcs resource Resource Group: dummies dummy1 (ocf::heartbeat:Dummy): Started dummy2 (ocf::heartbeat:Dummy): Started [root@rh71-node1:~]# pcs constraint location dummies prefers rh71-node1=100 [root@rh71-node1:~]# pcs constraint Location Constraints: Resource: dummies Enabled on: rh71-node1 (score:100) Ordering Constraints: Colocation Constraints: [root@rh71-node1:~]# pcs resource group remove dummies dummy2 Removing Constraint - location-dummies-rh71-node1-100 [root@rh71-node1:~]# pcs constraint Location Constraints: Ordering Constraints: Colocation Constraints: After Fix: [root@rh71-node1:~]# rpm -q pcs pcs-0.9.140-1.el6.x86_64 [root@rh71-node1:~]# pcs resource create dummy1 Dummy --group=dummies [root@rh71-node1:~]# pcs resource create dummy2 Dummy --group=dummies [root@rh71-node1:~]# pcs resource Resource Group: dummies dummy1 (ocf::heartbeat:Dummy): Started rh71-node3 dummy2 (ocf::heartbeat:Dummy): Started rh71-node3 [root@rh71-node1:~]# pcs constraint location dummies prefers rh71-node1=100 [root@rh71-node1:~]# pcs constraint Location Constraints: Resource: dummies Enabled on: rh71-node1 (score:100) Ordering Constraints: Colocation Constraints: [root@rh71-node1:~]# pcs resource group remove dummies dummy2 [root@rh71-node1:~]# pcs constraint Location Constraints: Resource: dummies Enabled on: rh71-node1 (score:100) Ordering Constraints: Colocation Constraints:
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