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Bug 1108778

Summary:

'pcs resource unclone group-clone' removes all the group resources but the first one

Product:

Red Hat Enterprise Linux 6

Reporter:

michal novacek <mnovacek>

Component:

pcs

Assignee:

Tomas Jelinek <tojeline>

Status:

CLOSED ERRATA

QA Contact:

Cluster QE <mspqa-list>

Severity:

medium

Docs Contact:

Priority:

medium

Version:

6.6

CC:

cfeist, cluster-maint, jherrman, rsteiger, tojeline

Target Milestone:

pre-dev-freeze

Target Release:

6.6

Hardware:

Unspecified

OS:

Unspecified

Whiteboard:

Fixed In Version:

pcs-0.9.123-4.el6

Doc Type:

Bug Fix

Doc Text:

Previously, the pcs utility did not properly handle clones of a group when removing resources from the cloned group. As a consequence, the "pcs resource unclone" and "pcs resource delete" commands removed only the first resource in a group when they were supposed to remove the entire resource group. With this update, pcs handles resources in cloned groups correctly and removing cloned resource groups works as expected.

Story Points:

---

Clone Of:

Environment:

Last Closed:

2014-10-14 07:22:15 UTC

Type:

Bug

Regression:

---

Mount Type:

---

Documentation:

---

CRM:

Verified Versions:

Category:

---

oVirt Team:

---

RHEL 7.3 requirements from Atomic Host:

Cloudforms Team:

---

Target Upstream Version:

Embargoed:

Attachments:

Description	Flags
proposed fix	none
proposed fix	none

Description michal novacek 2014-06-12 14:32:07 UTC

Description of problem:
Uncloning group of resources removes all but the first resource. 

Version-Release number of selected component (if applicable):
pcs-0.9.115-32.el7.x86_64
pacemaker-1.1.10-29.el7.x86_64

How reproducible: always

Steps to Reproduce:
1. for a in 1 2 3; do pcs resource create dummy-$a Dummy --group dummies; done
2. pcs resource clone dummies
3. pcs resource unclone dummies-clone

Actual results: all but first resource in a group removed

Expected results: same effect as running 'pcs resource unclone dummies' which
is only removing the clone.

Comment 3 Tomas Jelinek 2014-06-13 14:02:01 UTC

Created attachment 908589 [details]
proposed fix

Comment 4 Tomas Jelinek 2014-06-16 12:31:45 UTC

Created attachment 909116 [details]
proposed fix

Comment 6 Chris Feist 2014-07-03 22:31:03 UTC

Before Fix:

[root@bid-06 ~]# rpm -q pcs
pcs-0.9.123-3.el6.x86_64
[root@bid-06 ~]# for a in 1 2 3; do pcs resource create dummy-$a Dummy --group dummies; done
[root@bid-06 ~]# pcs resource --full
 Group: dummies
  Resource: dummy-1 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-1-start-timeout-20)
               stop interval=0s timeout=20 (dummy-1-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-1-monitor-interval-10)
  Resource: dummy-2 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-2-start-timeout-20)
               stop interval=0s timeout=20 (dummy-2-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-2-monitor-interval-10)
  Resource: dummy-3 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-3-start-timeout-20)
               stop interval=0s timeout=20 (dummy-3-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-3-monitor-interval-10)
[root@bid-06 ~]# pcs resource clone dummies
[root@bid-06 ~]# pcs resource --full
 Clone: dummies-clone
  Group: dummies
   Resource: dummy-1 (class=ocf provider=heartbeat type=Dummy)
    Operations: start interval=0s timeout=20 (dummy-1-start-timeout-20)
                stop interval=0s timeout=20 (dummy-1-stop-timeout-20)
                monitor interval=10 timeout=20 (dummy-1-monitor-interval-10)
   Resource: dummy-2 (class=ocf provider=heartbeat type=Dummy)
    Operations: start interval=0s timeout=20 (dummy-2-start-timeout-20)
                stop interval=0s timeout=20 (dummy-2-stop-timeout-20)
                monitor interval=10 timeout=20 (dummy-2-monitor-interval-10)
   Resource: dummy-3 (class=ocf provider=heartbeat type=Dummy)
    Operations: start interval=0s timeout=20 (dummy-3-start-timeout-20)
                stop interval=0s timeout=20 (dummy-3-stop-timeout-20)
                monitor interval=10 timeout=20 (dummy-3-monitor-interval-10)
[root@bid-06 ~]# pcs resource unclone dummies-clone
[root@bid-06 ~]# pcs resource --full
 Resource: dummy-1 (class=ocf provider=heartbeat type=Dummy)
  Operations: start interval=0s timeout=20 (dummy-1-start-timeout-20)
              stop interval=0s timeout=20 (dummy-1-stop-timeout-20)
              monitor interval=10 timeout=20 (dummy-1-monitor-interval-10)


No resources should have been removed and we should have been left with the "dummies group"

After Fix:
[root@bid-06 pcs]# rpm -q pcs
pcs-0.9.123-4.el6.x86_64
[root@bid-06 pcs]# for a in 1 2 3; do pcs resource create dummy-$a Dummy --group dummies; done
[root@bid-06 pcs]# pcs resource --full
 Group: dummies
  Resource: dummy-1 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-1-start-timeout-20)
               stop interval=0s timeout=20 (dummy-1-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-1-monitor-interval-10)
  Resource: dummy-2 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-2-start-timeout-20)
               stop interval=0s timeout=20 (dummy-2-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-2-monitor-interval-10)
  Resource: dummy-3 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-3-start-timeout-20)
               stop interval=0s timeout=20 (dummy-3-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-3-monitor-interval-10)
[root@bid-06 pcs]# pcs resource clone dummies
[root@bid-06 pcs]# pcs resource --full
 Clone: dummies-clone
  Group: dummies
   Resource: dummy-1 (class=ocf provider=heartbeat type=Dummy)
    Operations: start interval=0s timeout=20 (dummy-1-start-timeout-20)
                stop interval=0s timeout=20 (dummy-1-stop-timeout-20)
                monitor interval=10 timeout=20 (dummy-1-monitor-interval-10)
   Resource: dummy-2 (class=ocf provider=heartbeat type=Dummy)
    Operations: start interval=0s timeout=20 (dummy-2-start-timeout-20)
                stop interval=0s timeout=20 (dummy-2-stop-timeout-20)
                monitor interval=10 timeout=20 (dummy-2-monitor-interval-10)
   Resource: dummy-3 (class=ocf provider=heartbeat type=Dummy)
    Operations: start interval=0s timeout=20 (dummy-3-start-timeout-20)
                stop interval=0s timeout=20 (dummy-3-stop-timeout-20)
                monitor interval=10 timeout=20 (dummy-3-monitor-interval-10)
[root@bid-06 pcs]# pcs resource unclone dummies-clone
[root@bid-06 pcs]# pcs resource --full
 Group: dummies
  Resource: dummy-1 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-1-start-timeout-20)
               stop interval=0s timeout=20 (dummy-1-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-1-monitor-interval-10)
  Resource: dummy-2 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-2-start-timeout-20)
               stop interval=0s timeout=20 (dummy-2-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-2-monitor-interval-10)
  Resource: dummy-3 (class=ocf provider=heartbeat type=Dummy)
   Operations: start interval=0s timeout=20 (dummy-3-start-timeout-20)
               stop interval=0s timeout=20 (dummy-3-stop-timeout-20)
               monitor interval=10 timeout=20 (dummy-3-monitor-interval-10)

Comment 9 errata-xmlrpc 2014-10-14 07:22:15 UTC

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.

http://rhn.redhat.com/errata/RHBA-2014-1526.html