listen(): Address already in use for barbican_api

[Liyingjun]

Barbican_api fails with error: 'listen(): Address already in use [core/socket.c line 775]':

full log:
*** has_emperor mode detected (fd: 6) ***
[uWSGI] getting INI configuration from barbican-api.ini
*** Starting uWSGI 2.0.12-debian (64bit) on [Tue Oct 11 01:52:52 2016] ***
compiled with version: 5.3.1 20160412 on 13 April 2016 08:36:06
os: Linux-4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016
nodename: holly
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 4
current working directory: /etc/barbican/vassals
detected binary path: /usr/bin/uwsgi-core
your memory page size is 4096 bytes
detected max file descriptor number: 65536
lock engine: pthread robust mutexes
thunder lock: disabled (you can enable it with --thunder-lock)
listen(): Address already in use [core/socket.c line 775]
Tue Oct 11 01:52:52 2016 - [emperor] curse the uwsgi instance barbican-api.ini (pid: 57)
Tue Oct 11 01:52:52 2016 - [emperor] removed uwsgi instance barbican-api.ini

By default barbican uwsgi is configured to listen all address on host [1], we need to change this to the ip address for host.

[1]: https://github.com/openstack/barbican/blob/master/etc/barbican/vassals/barbican-api.ini

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/384771

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/384771
Committed: https://git.openstack.org/cgit/openstack/kolla/commit/?id=cd0336658fa188dac7e9de625c677db57ff619c2
Submitter: Jenkins
Branch: master

commit cd0336658fa188dac7e9de625c677db57ff619c2
Author: liyingjun <email address hidden>
Date: Tue Oct 11 10:05:07 2016 +0800

    Fix 'Address already in use' for barbican-api

    By default barbican uwsgi is configured to listen all address on host
    [1], we need to change this to the ip address of the host.

    [1]:
    https://github.com/openstack/barbican/blob/master/etc/barbican/vassals/barbican-api.ini

    Change-Id: I4a1f9fb44ad55caf21f82c1b6d272a9743d65fd8
    Closes-bug: #1632177

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/kolla 3.0.0.0rc2 release candidate.