"sudo service apache2 restart" sometimes fails because apache is trying
to grab a resource that another process is still holding onto.
Stopping apache first and starting it afterwards seems to avoid that race.
Change-Id: I55bfa125246fbf960b100682a3f4698f8c1d7e09
This patch adds support to enable neutron LBaaS support in the
training guide's OpenStack installation.
Changes made are as follows
* Pre-download neutron-lbaas-agent to base disk
* Enable LBaaS support on horizon on controller node
* Configure neutron server to support LBaaS with haproxy as provider
on controller node
* Enable and configure LBaaS agent on network node
Change-Id: I35f8c19ebceb7420f735354337bf71b4d92edf93
Closes-Bug: 1414767