Merge from trunk

[plcapi.git] / trunk / PLC / Methods / DeleteNodeNetwork.py

diff --git a/trunk/PLC/Methods/DeleteNodeNetwork.py b/trunk/PLC/Methods/DeleteNodeNetwork.py
new file mode 100644 (file)
index 0000000..4bdda21
--- /dev/null
+++ b/trunk/PLC/Methods/DeleteNodeNetwork.py
@@ -0,0 +1,57 @@
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Auth import Auth
+from PLC.Nodes import Node, Nodes
+from PLC.NodeNetworks import NodeNetwork, NodeNetworks
+
+class DeleteNodeNetwork(Method):
+    """
+    Deletes an existing node network interface.
+
+    Admins may delete any node network. PIs and techs may only delete
+    node network interfaces associated with nodes at their sites.
+
+    Returns 1 if successful, faults otherwise.
+    """
+
+    roles = ['admin', 'pi', 'tech']
+
+    accepts = [
+        Auth(),
+       NodeNetwork.fields['nodenetwork_id']
+        ]
+
+    returns = Parameter(int, '1 if successful')
+
+
+    def call(self, auth, nodenetwork_id):
+
+        # Get node network information
+        nodenetworks = NodeNetworks(self.api, [nodenetwork_id])
+        if not nodenetworks:
+            raise PLCInvalidArgument, "No such node network"
+       nodenetwork = nodenetworks[0]
+       
+       # Get node information
+       nodes = Nodes(self.api, [nodenetwork['node_id']])
+       if not nodes:
+               raise PLCInvalidArgument, "No such node"
+       node = nodes[0]
+
+        # Authenticated functino
+       assert self.caller is not None
+
+        # If we are not an admin, make sure that the caller is a
+        # member of the site at which the node is located.
+        if 'admin' not in self.caller['roles']:
+            if node['site_id'] not in self.caller['site_ids']:
+                raise PLCPermissionDenied, "Not allowed to delete this node network"
+
+        nodenetwork.delete()
+
+       # Logging variables
+       self.event_objects = {'NodeNetwork': [nodenetwork['nodenetwork_id']]}
+       self.message = "Node network %d deleted" % nodenetwork['nodenetwork_id']
+
+        return 1