Juju Charms Collection
rabbitmq-server package

rabbitmq-server charm fails on cluster-relation-changed when using openstack provider

Bug #1489053 reported by Matt Rae
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
rabbitmq-server (Juju Charms Collection)
Fix Released
Medium
Jorge Niedbalski
Juju Charms Collection 15.10
Trusty
Fix Released
Undecided
Jorge Niedbalski

Bug Description

When deploying 3 rabbitmq-server units, if the units are unable to look up the hostname of other units during cluster relation then the relation defaults to attempting to cluster with itself rather than the other hosts.

notes from ante:

before trying to figure out hostnames, /etc/hosts should be populated with rabbitmq units. this information should be available within juju and charm should do that

also instead of using socket.gethostname() it should use socket.gethostbyaddr()[0]

Related branches

lp:~niedbalski/charm-helpers/fix-lp-1489053
Felipe Reyes (community): Approve
Diff: 48 lines (+20/-2)
2 files modified
charmhelpers/contrib/network/ip.py (+5/-1)
tests/contrib/network/test_ip.py (+15/-1)
lp:~niedbalski/charms/trusty/rabbitmq-server/fix-lp-1489053
Billy Olsen: Approve
OpenStack Charmers: Pending requested
Felipe Reyes: Pending requested
Ryan Beisner: Pending requested
Diff: 79 lines (+22/-19)
2 files modified
hooks/rabbit_utils.py (+5/-11)
hooks/rabbitmq_server_relations.py (+17/-8)
lp:~niedbalski/charms/trusty/rabbitmq-server/stable-backport-1489053
Jorge Niedbalski (community): Approve
Billy Olsen: Approve
Diff: 97 lines (+27/-20)
3 files modified
hooks/charmhelpers/contrib/network/ip.py (+5/-1)
hooks/rabbit_utils.py (+4/-11)
hooks/rabbitmq_server_relations.py (+18/-8)
Revision history for this message
Matt Rae (mattrae) wrote :

sorry this should be opened against the rabbitmq-server charm

affects: juju-core → rabbitmq-server (Juju Charms Collection)
Revision history for this message
Matt Rae (mattrae) wrote :

The patch for this bug appears to be related to this problem:
https://bugs.launchpad.net/charms/+source/rabbitmq-server/+bug/1378263

18 + ip_addr = get_host_ip(unit_get('private-address'))
19 + try:
20 + nodename = get_hostname(ip_addr, fqdn=False)
21 + except:
22 + log('Cannot resolve hostname for %s using DNS servers' % ip_addr)
23 + log('Falling back to use socket.gethostname()')
24 + #If the private-address is not resolvable using DNS
25 + # then use the current hostname
26 + nodename = socket.gethostname()

Jorge Niedbalski (niedbalski)
Changed in rabbitmq-server (Juju Charms Collection):
assignee: nobody → Jorge Niedbalski (niedbalski)
Jorge Niedbalski (niedbalski)
Changed in rabbitmq-server (Juju Charms Collection):
status: New → Confirmed
Ante Karamatić (ivoks)
tags: added: cpec
Jorge Niedbalski (niedbalski)
Changed in rabbitmq-server (Juju Charms Collection):
status: Confirmed → In Progress
Billy Olsen (billy-olsen)
Changed in rabbitmq-server (Juju Charms Collection):
status: In Progress → Fix Committed
milestone: none → 15.10
tags: added: backport-potential
Edward Hope-Morley (hopem)
Changed in rabbitmq-server (Juju Charms Collection):
status: Fix Committed → In Progress
importance: Undecided → Medium
Billy Olsen (billy-olsen)
Changed in rabbitmq-server (Juju Charms Collection):
status: In Progress → Fix Committed
Revision history for this message
Jorge Niedbalski (niedbalski) wrote :

This has been released for /next and /trunk charms.

Thanks for reporting.

Changed in rabbitmq-server (Charms Trusty):
status: New → Fix Released
Jorge Niedbalski (niedbalski)
Changed in rabbitmq-server (Charms Trusty):
assignee: nobody → Jorge Niedbalski (niedbalski)
James Page (james-page)
Changed in rabbitmq-server (Juju Charms Collection):
status: Fix Committed → Fix Released
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