Merge from trunk

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

diff --git a/trunk/PLC/Methods/DeleteConfFileFromNodeGroup.py b/trunk/PLC/Methods/DeleteConfFileFromNodeGroup.py
new file mode 100644 (file)
index 0000000..5504b0f
--- /dev/null
+++ b/trunk/PLC/Methods/DeleteConfFileFromNodeGroup.py
@@ -0,0 +1,49 @@
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.ConfFiles import ConfFile, ConfFiles
+from PLC.NodeGroups import NodeGroup, NodeGroups
+from PLC.Auth import Auth
+
+class DeleteConfFileFromNodeGroup(Method):
+    """
+    Deletes a configuration file from the specified nodegroup. If the nodegroup
+    is not linked to the configuration file, no errors are returned.
+
+    Returns 1 if successful, faults otherwise.
+    """
+
+    roles = ['admin']
+
+    accepts = [
+        Auth(),
+        ConfFile.fields['conf_file_id'],
+        Mixed(NodeGroup.fields['nodegroup_id'],
+              NodeGroup.fields['name'])
+        ]
+
+    returns = Parameter(int, '1 if successful')
+
+
+    def call(self, auth, conf_file_id, nodegroup_id_or_name):
+       # Get configuration file
+        conf_files = ConfFiles(self.api, [conf_file_id])
+        if not conf_files:
+            raise PLCInvalidArgument, "No such configuration file"
+        conf_file = conf_files[0]
+
+        # Get nodegroup
+       nodegroups = NodeGroups(self.api, [nodegroup_id_or_name])
+       if not nodegroups:
+               raise PLCInvalidArgument, "No such nodegroup"
+       nodegroup = nodegroups[0]
+       
+       # Link configuration file to nodegroup
+        if nodegroup['nodegroup_id'] in conf_file['nodegroup_ids']:
+            conf_file.remove_nodegroup(nodegroup)
+
+        # Log affected objects
+        self.event_objects = {'ConfFile': [conf_file_id], 
+                             'NodeGroup': [nodegroup['nodegroup_id']]}
+
+        return 1