--- /dev/null
+from PLC.Faults import *
+from PLC.Auth import Auth
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Table import Row
+
+from PLC.Nodes import Node, Nodes
+from PLC.Interfaces import Interface, Interfaces
+from PLC.Methods.DeleteIpAddress import DeleteIpAddress
+
+class DeleteInterface(Method):
+ """
+ Deletes an existing interface.
+
+ Admins may delete any interface. PIs and techs may only delete
+ interface interfaces associated with nodes at their sites.
+
+ Returns 1 if successful, faults otherwise.
+ """
+
+ roles = ['admin', 'pi', 'tech']
+
+ accepts = [
+ Auth(),
+ Interface.fields['interface_id']
+ ]
+
+ returns = Parameter(int, '1 if successful')
+
+
+ def call(self, auth, interface_id):
+
+ # Get interface information
+ interfaces = Interfaces(self.api, [interface_id])
+ if not interfaces:
+ raise PLCInvalidArgument, "No such interface %r"%interface_id
+ interface = interfaces[0]
+
+ # Get node information
+ nodes = Nodes(self.api, [interface['node_id']])
+ if not nodes:
+ raise PLCInvalidArgument, "No such node %r"%node_id
+ 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 interface"
+
+ for ip_address_id in interface['ip_address_ids']:
+ DeleteIpAddress(self.api).__call__(auth, ip_address_id)
+
+ interface.delete()
+
+ # Logging variables
+ self.event_objects = {'Interface': [interface['interface_id']]}
+ self.message = "Interface %d deleted" % interface['interface_id']
+
+ return 1