Add limestone-specific network configuration to *clouds.yaml

Limestone provides both ipv4 and ipv6 addresses. Add the necessary
configuration to clouds.yaml to make it work.

Change-Id: I3c717132a42f44aaed6568de6780b1972cbf63d0

modules/openstack_project/templates/puppetmaster/all-clouds.yaml.erb

@@ -131,7 +131,16 @@ clouds:
       user_domain_name: default
   openstackci-limestone:
     regions:
-      - RegionOne
+      - name: RegionOne
+        values:
+          networks:
+            - name: "Gateway Network"
+              routes_externally: false
+              routes_ipv6_externally: true
+              nat_destination: true
+            - name: "Flat External"
+              routes_externally: true
+              nat_source: true
     auth:
       auth_url: https://osa.continuous.pw:5000
       username: <%= @puppetmaster_clouds['openstackci_limestone_username'] %>
@@ -143,7 +152,16 @@ clouds:
     cacert: /etc/openstack/limestone_cacert.pem
   openstackzuul-limestone:
     regions:
-      - RegionOne
+      - name: RegionOne
+        values:
+          networks:
+            - name: "Gateway Network"
+              routes_externally: false
+              routes_ipv6_externally: true
+              nat_destination: true
+            - name: "Flat External"
+              routes_externally: true
+              nat_source: true
     auth:
       auth_url: https://osa.continuous.pw:5000
       username: <%= @puppetmaster_clouds['openstackzuul_limestone_username'] %>

modules/openstack_project/templates/puppetmaster/ansible-clouds.yaml.erb

@@ -77,7 +77,16 @@ clouds:
       user_domain_name: default
   openstackci-limestone:
     regions:
-      - RegionOne
+      - name: RegionOne
+        values:
+          networks:
+            - name: "Gateway Network"
+              routes_externally: false
+              routes_ipv6_externally: true
+              nat_destination: true
+            - name: "Flat External"
+              routes_externally: true
+              nat_source: true
     auth:
       auth_url: https://osa.continuous.pw:5000
       username: <%= @puppetmaster_clouds['openstackci_limestone_username'] %>