Flesh out netowrk config list

Add support for indicating default_interface. Also, add some validation
and normalization code, some interface methods and, shockingly,
documentation.

Change-Id: Ib45b68894585ac02821d5d2376510fd7a8e8ee40

1 files changed, 24 insertions, 0 deletions

diff --git a/os_client_config/cloud_config.py b/os_client_config/cloud_config.py
index b19607e..e63bd12 100644
--- a/os_client_config/cloud_config.py
+++ b/os_client_config/cloud_config.py
@@ -438,3 +438,27 @@ class CloudConfig(object):
             if resource not in expiration:
                 return default
             return float(expiration[resource])
+
+    def get_external_networks(self):
+        """Get list of network names for external networks."""
+        return [
+            net['name'] for net in self._openstack_config['networks']
+            if net['routes_externally']]
+
+    def get_internal_networks(self):
+        """Get list of network names for internal networks."""
+        return [
+            net['name'] for net in self._openstack_config['networks']
+            if not net['routes_externally']]
+
+    def get_default_network(self):
+        """Get network used for default interactions."""
+        for net in self._openstack_config['networks']:
+            if net['default_interface']:
+                return net
+
+    def get_nat_destination(self):
+        """Get network used for NAT destination."""
+        for net in self._openstack_config['networks']:
+            if net['nat_destination']:
+                return net