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[Bug 1458917] [NEW] Consumers for re-balanced pipeline queues are not cleaned

To: ubuntu-translations-coordinators@xxxxxxxxxxxxxxxxxxx
From: Launchpad Bug Tracker <1458917@xxxxxxxxxxxxxxxxxx>
Date: Wed, 31 Aug 2016 19:05:07 -0000
Reply-to: Bug 1458917 <1458917@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

You have been subscribed to a public bug:

2 instances of openstack-ceilometer-notification.service are running. 
Coordination backend - redis

When pipelines are coordinated/re-coordinated they are still listening
to the previous queue.

Scenario:

1.    event:queu1:source_1and event:queue2:source2 are managed by Agent1
2.    Agent2 is added
3.    Pipeline are re-coordinated between 2 agents. 
    Assuming event:queu1:source_1 is still managed by Agent1 and event:queue2:source2 is managed by Agent2
4.    RMQ's UI reports that both Agent1 and Agent 2 are consumer for "ceilometer-pipe-event:queue2:source2.sample"
 
Channel                                         Consumer tag    Ack required    Exclusive   Prefetch count  Arguments
192.168.100.60:43686 (1)     1                               ●                           ○                  0
192.168.100.70:43693 (1)     1                               ●                           ○                  0

At the same time 2 connection for 'not-moved' pipeline are present:

Channel                 Consumer tag    Ack required    Exclusive   Prefetch count  Arguments
192.168.100.60:43692 (1) 1              ●               ○              0
192.168.100.60:45623 (1) 1              ●               ○              0


ceilometer packages:
openstack-ceilometer-notification-2015.1.0-2.el7ost.noarch
openstack-ceilometer-common-2015.1.0-2.el7ost.noarch
python-ceilometerclient-1.0.13-1.el7ost.noarch
openstack-ceilometer-alarm-2015.1.0-2.el7ost.noarch
python-ceilometer-2015.1.0-2.el7ost.noarch
openstack-ceilometer-collector-2015.1.0-2.el7ost.noarch
openstack-ceilometer-central-2015.1.0-2.el7ost.noarch
openstack-ceilometer-api-2015.1.0-2.el7ost.noarch
openstack-ceilometer-compute-2015.1.0-2.el7ost.noarch


Thanks,
Yurii

** Affects: ubuntu-translations
     Importance: Undecided
         Status: Invalid

** Affects: oslo.messaging
     Importance: Undecided
     Assignee: gordon chung (chungg)
         Status: Fix Released

** Affects: oslo.messaging/kilo
     Importance: Undecided
     Assignee: gordon chung (chungg)
         Status: Fix Committed

** Affects: oslo.messaging (Ubuntu)
     Importance: High
         Status: Fix Released

** Affects: oslo.messaging (Ubuntu Vivid)
     Importance: High
     Assignee: James Page (james-page)
         Status: Fix Released


** Tags: verification-done
-- 
Consumers for re-balanced pipeline queues are not cleaned
https://bugs.launchpad.net/bugs/1458917
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