Add attr of networks and subnets to Networks resource

In the Networks resource tempaltes add the full resource
attributes to net_attributes_map.
Use the attributes to build per-role GroupVars.

Change-Id: I603521bd00dc100e03c765c25503b5e01f3383e4

network/network.j2

@@ -284,4 +284,14 @@ outputs:
 {%-     else %}
               - "{{network.subnets[subnet]['ip_subnet']|default("")}}"
 {%-     endif %}
+{%- endfor %}
+  network_attrs:
+    description: {{network.name}} network's attributes
+    value: {get_attr: [{{network.name}}Network]}
+  subnet_attrs:
+    description: Map of attributes for subnets in the {{network.name}} network
+    value:
+      {{network.name_lower}}_subnet: {get_attr: [{{network.name}}Subnet]}
+{%- for subnet in network.subnets|default({}) if network.subnets[subnet].enabled|default(true) %}
+      {{subnet}}: {get_attr: [{{network.name}}Subnet_{{subnet}}]}
 {%- endfor %}

network/networks.j2.yaml

@@ -39,5 +39,13 @@ outputs:
     value:
       {%- for network in networks if network.enabled|default(true) %}
       {%- set network_name = network.compat_name|default(network.name) %}
-        {{network.name_lower}}: {get_attr: [{{network_name}}Network, ip_version]}
+      {{network.name_lower}}: {get_attr: [{{network_name}}Network, ip_version]}
+      {%- endfor %}
+  net_attributes_map:
+    value:
+      {%- for network in networks if network.enabled|default(true) %}
+      {%- set network_name = network.compat_name|default(network.name) %}
+      {{network.name_lower}}:
+        network: {get_attr: [{{network_name}}Network, network_attrs]}
+        subnets: {get_attr: [{{network_name}}Network, subnet_attrs]}
       {%- endfor %}

overcloud.j2.yaml

@@ -919,14 +919,33 @@ resources:
     type: OS::Heat::Value
     properties:
       value:
+    {%- for network in networks if network.enabled|default(true) and network.name in role.networks|default([]) %}
+        {{network.name_lower}}_mtu: {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, network, mtu]}
+      {%- if role.networks is mapping %}
+        {{network.name_lower}}_gateway_ip: {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{role.networks[network.name]['subnet']}}, gateway_ip]}
+        {{network.name_lower}}_host_routes: {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{role.networks[network.name]['subnet']}}, host_routes]}
+        {{network.name_lower}}_cidr: {str_split: ['/', {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{role.networks[network.name]['subnet']}}, cidr]}, 1]}
+      {%- else %}
+        {{network.name_lower}}_gateway_ip: {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{network.name_lower}}_subnet, gateway_ip]}
+        {{network.name_lower}}_host_routes: {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{network.name_lower}}_subnet, host_routes]}
+        {{network.name_lower}}_cidr: {str_split: ['/', {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{network.name_lower}}_subnet, cidr]}, 1]}
+      {%- endif %}
+    {%- endfor %}
+        network_cidrs:
+      {%- for network in networks if network.enabled|default(true) and network.name in role.networks|default([]) %}
+        {%- if role.networks is mapping %}
+          {{network.name}}_cidr: {str_split: ['/', {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{role.networks[network.name]['subnet']}}, cidr]}, 1]}
+        {%- else %}
+          {{network.name}}_cidr: {str_split: ['/', {get_attr: [Networks, net_attributes_map, {{network.name_lower}}, subnets, {{network.name_lower}}_subnet, cidr]}, 1]}
+        {%- endif %}
+      {%- endfor %}
         role_networks:
-        {%- for network in networks %}
-        {%- if network.enabled|default(true) and network.name in role.networks|default([]) %}
+        {%- for network in networks if network.enabled|default(true) and network.name in role.networks|default([]) %}
           - {{network.name}}
-        {% endif %}
-        {% endfor %}
+        {%- endfor %}
         service_metadata_settings: {get_attr: [{{role.name}}ServiceChainRoleData, value, service_metadata_settings]}
 
+
 {% endfor %}
 
   ControlVirtualIP: