Updated openstack/openstack
Project: openstack/neutron  3f44281d94e4e6dabe2c40dd28165e6774d8a42f
null
Fix race condition in network scheduling to dhcp agent

Rarely dhcp agent rpc call get_active_networks_info() can interleave
with network scheduling initiated by create.port.end notification.
In this case scheduling raises and port creation returns 500.
Need to synchronize on DhcpNetworkBindings table.

Closes-Bug: #1276552
Change-Id: I52d94a40772a99c7032dba15b200bf0f21362f93
Updated openstack/openstack
Project: openstack/ceilometer  794d4695bd1867d9fbca3d5021654236a168a14e
null
Added abc.ABCMeta metaclass for abstract classes

Change-Id: I036148693a38fb1b0d1c298eb22d16e8d24ecacf
Updated openstack/openstack
Project: openstack/heat  49f85899cf723af074860f5ad490501b1cf9d79c
null
Implement native signal API

Add a new signal action on resource to emulate CFN signal API.

blueprint native-signal-api

Change-Id: I33e1bd72f208d39c7a87ad8e3de63f94a5536022