Create tenant in OpenStack and launch instances

openstack
In this tutorial we will show you, how to create project tenant in OpenStack Juno and launch instances accessible from external public network.

Note: this tutorial is a continuation of OpenStack Installation on CentOS7 / RHEL7 and we assume that you already have working installation of OpenStack.

Environment used:
cloud version: OpenStack Juno on CentOS7 (2 nodes: controller, compute)
public network (Floating IP network): 192.168.2.0/24
private network (inside Project Tenant): 192.168.20.0/24
public controller IP: 192.168.2.4 (eth0)
public compute IP: 192.168.2.5 (eth0)
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