example:

# nova-manage network list
CIDR                    netmask         dhcp_start      DNS            
xx.xx.35.0/25           255.255.255.128 xx.xx.35.2      None           
xx.xx.36.0/25           255.255.255.128 xx.xx.36.2      None

(DNS set to None because networks not yet used..)

2 files changed, 14 insertions, 0 deletions

diff --git a/nova/db/api.py b/nova/db/api.py
index 789cb8ebb..d06f3731f 100644
--- a/nova/db/api.py
+++ b/nova/db/api.py
@@ -500,6 +500,11 @@ def network_get(context, network_id):
     return IMPL.network_get(context, network_id)
 
 
+def network_get_all(context):
+    """Return all defined networks."""
+    return IMPL.network_get_all(context)
+
+
 # pylint: disable-msg=C0103
 def network_get_associated_fixed_ips(context, network_id):
     """Get all network's ips that have been associated."""
diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index 02855e7a9..65436ab0f 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -1056,6 +1056,15 @@ def network_get(context, network_id, session=None):
     return result
 
 
+@require_admin_context
+def network_get_all(context):
+    session = get_session()
+    result = session.query(models.Network)
+    if not result:
+        raise exception.NotFound(_('No networks defined'))
+    return result
+
+
 # NOTE(vish): pylint complains because of the long method name, but
 #             it fits with the names of the rest of the methods
 # pylint: disable-msg=C0103