nova do not compain if 'my_ip' is wrong

[George Shuklin]

If my_ip in nova config do not exit on any interface of the compute host, nova-compute silently accepts it and failing cold migration.

Expected behaviour: error or warning if my_ip can not be found on any interface.

Nova version: 1:2014.2.1-0ubuntu1~cloud0

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/153906

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/153906
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=b838ca28e0ffda21b298a4514a647fc74c154f4a
Submitter: Jenkins
Branch: master

commit b838ca28e0ffda21b298a4514a647fc74c154f4a
Author: Davanum Srinivas <email address hidden>
Date: Sun Feb 8 21:06:57 2015 -0500

    Log warning if CONF.my_ip is not found on system

    Explicitly check if CONF.my_ip is present in any of the network
    interfaces then log a warning to alert the operators.

    Code borrowed from swift:
    http://git.openstack.org/cgit/openstack/swift/tree/swift/common/utils.py#n1545

    Closes-Bug: #1419002
    Change-Id: I9db5a2f7c5395d1d34ab2eb6d169c62fc4753f73