labs: create demo network

This changeset adds a tenant network and configures it.

Change-Id: I5ef39f72385135d0c604a6494b64e2c3add16eaa
Co-Authored-By: Pranav Salunke <dguitarbite@gmail.com>
Implements: blueprint openstack-training-labs

labs/config/openstack

@@ -18,4 +18,8 @@
 : ${EXTERNAL_NETWORK_GATEWAY:=192.168.100.1}
 : ${EXTERNAL_NETWORK_CIDR:=192.168.100.0/24}
 
+# DEMO_NET
+: ${TENANT_NETWORK_GATEWAY:=172.16.0.1}
+: ${TENANT_NETWORK_CIDR:=172.16.0.0/24}
+
 # vim: set ai ts=4 sw=4 et ft=sh:

labs/config/scripts.controller

@@ -10,6 +10,7 @@ scripts setup_cinder_volumes.sh
 scripts setup_horizon.sh
 scripts config_external_network.sh
 scripts config_demo_user.sh
+scripts config_tenant_network.sh
 scripts shutdown.sh
 boot
 wait_for_shutdown

labs/scripts/config_tenant_network.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env bash
+TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
+source "$TOP_DIR/config/paths"
+source "$CONFIG_DIR/credentials"
+source "$LIB_DIR/functions.guest"
+source "$CONFIG_DIR/demo-openstackrc.sh"
+exec_logfile
+
+indicate_current_auto
+
+#------------------------------------------------------------------------------
+#
+#------------------------------------------------------------------------------
+
+echo "Creating the tenant network."
+neutron net-create demo-net
+
+echo "Creating a subnet on the tenant network."
+neutron subnet-create demo-net \
+    --name demo-subnet \
+    --gateway "$TENANT_NETWORK_GATEWAY" \
+    "$TENANT_NETWORK_CIDR"
+
+echo "Creating a router on the tenant network."
+neutron router-create demo-router
+
+echo "Attaching the router to the demo tenant subnet."
+neutron router-interface-add demo-router demo-subnet
+
+echo "Attaching the router to the external network by setting it as the" \
+     "gateway."
+neutron router-gateway-set demo-router ext-net