GREENSTACK

Energy optimization of OpenStack-based cloud data center infrastructures

Claims in the Scheduler

Author: ed Source: Planet OpenStack One of the shortcomings of the current scheduler in OpenStack Nova is that there is a long interval from when the scheduler selects a suitable […]

How not to write Python unit tests

Author: Terry Wilson Source: Planet OpenStack In Openstack projects, I see tests like this, entirely too often: def test_main_sync_success(self): self._test_main_sync() self.cmd_sync.sync_address_sets.assert_called_once_with(mock.ANY) self.cmd_sync.sync_networks_ports_and_dhcp_opts. assert_called_once_with(mock.ANY) self.cmd_sync.sync_acls.assert_called_once_with(mock.ANY) self.cmd_sync.sync_routers_and_rports.assert_called_once_with(mock.ANY) self.cmd_log.info.assert_called_with(‘Sync completed’) In the name […]

Gratuitous ARP for OpenStack Neutron

Author: ihrachyshka Source: Planet OpenStack This post is the second in a series that covers gratuitous ARP and its relation to OpenStack. In the previous post, we discussed what gratuitous ARP is, and […]

Windows Server 2016 OpenStack Images

Author: Adrian Vladu Source: Planet OpenStack Windows Server 2016 is gaining significant traction in OpenStack and other clouds, thanks to the support for Windows Docker containers and lots of other new features. While […]