Merge pull request #17 from chris968/patch-1

Routed and nated networks support

Author: markgoddard

README.md

@@ -26,11 +26,17 @@ should be a dict containing the following items:
 `libvirt_host_networks` is a list of networks to define and start. Each item
 should be a dict containing the following items:
 - `name` The name of the network.
-- `mode` The forwarding mode of the network, currently only `bridge` is
+- `mode` The forwarding mode of the network, `bridge`, `route` and `nat` are
   supported.
 - `bridge` The name of the bridge interface for this network.
-
-`libvirt_host_require_vt`is whether to require that Intel Virtualisation
+- `ip` IP address of the virtual bridge, mandatory for `route` and `nat` mode.
+- `netmask` Netmask of the virtual bridge, mandatory for `route` and `nat` mode.
+- `domain` DNS domain name for `route` and `nat` mode, default to the network
+   name (optional).
+- `dhcp_start` First IP of the DHCP range in `route` or `nat` mode (optional).
+- `dhcp_end` Last IP of the DHCP range in `route` or `nat` mode (optional).
+
+`libvirt_host_require_vt` is whether to require that Intel Virtualisation
 Technology (VT) is enabled in order to run this role. While this provides
 better VM performance, it may not be available in certain environments. The
 default value is `true`.
@@ -91,6 +97,14 @@ Example Playbook
             - name: br-example
               mode: bridge
               bridge: br-example
+            - name: brnat-example
+              mode: nat
+              bridge: brnat-example
+              domain: example.local
+              ip: 192.168.133.254
+              netmask: 255.255.255.0
+              dhcp_start: 192.168.133.100
+              dhcp_end: 192.168.133.200
 
 Author Information
 ------------------

templates/network.xml.j2

@@ -2,4 +2,14 @@
   <name>{{ item.name }}</name>
   <forward mode='{{ item.mode }}'/>
   <bridge name='{{ item.bridge }}'/>
+  {% if item.mode == 'route' or item.mode == 'nat' %}
+  <domain name='{{ item.domain|default(item.name) }}'/>
+  <ip address='{{ item.ip }}' netmask='{{ item.netmask }}'>
+  {% if item.dhcp_start is defined and item.dhcp_end is defined %}
+  <dhcp>
+    <range start='{{ item.dhcp_start }}' end='{{ item.dhcp_end }}'/>
+  </dhcp>
+  {% endif %}
+  </ip>
+  {% endif %}
 </network>