From 5ac399f349470a15dc57d7261c97a69a17059f9f Mon Sep 17 00:00:00 2001
From: Tony Mack <tmack@cs.princeton.edu>
Date: Wed, 13 Sep 2006 15:46:29 +0000
Subject: [PATCH] Initial checkin of new API implementation

---
 PLC/Methods/AdmAddNodeGroup.py      | 53 +++++++++++++++++++++++++++++
 PLC/Methods/AdmDeleteNodeGroup.py   | 42 +++++++++++++++++++++++
 PLC/Methods/AdmGetNodeGroupNodes.py | 47 +++++++++++++++++++++++++
 3 files changed, 142 insertions(+)
 create mode 100644 PLC/Methods/AdmAddNodeGroup.py
 create mode 100644 PLC/Methods/AdmDeleteNodeGroup.py
 create mode 100644 PLC/Methods/AdmGetNodeGroupNodes.py

diff --git a/PLC/Methods/AdmAddNodeGroup.py b/PLC/Methods/AdmAddNodeGroup.py
new file mode 100644
index 0000000..38f7df6
--- /dev/null
+++ b/PLC/Methods/AdmAddNodeGroup.py
@@ -0,0 +1,53 @@
+# NodeGroup.validate_name() changes name to null. This causes database error
+
+
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Nodes import Node, Nodes
+from PLC.NodeGroups import NodeGroup, NodeGroups
+#from PLC.Sites import Site, Sites
+from PLC.Auth import PasswordAuth
+
+class AdmAddNodeGroup(Method):
+    """
+    Adds a new node group. Any values specified in optional_vals are used,
+    otherwise defaults are used.
+
+    Returns the new node_id (> 0) if successful, faults otherwise.
+    """
+
+    roles = ['admin']
+
+    can_update = lambda (field, value): field in \
+                 ['model', 'version']
+    update_fields = dict(filter(can_update, NodeGroup.fields.items()))
+
+    accepts = [
+        PasswordAuth(),
+        NodeGroup.fields['name'],
+        NodeGroup.fields['description'],
+        NodeGroup.fields['is_custom'],
+        update_fields
+        ]
+
+    returns = Parameter(int, '1 if successful')
+
+    def call(self, auth, name, description, optional_vals = {}):
+        if filter(lambda field: field not in self.update_fields, optional_vals):
+            raise PLCInvalidArgument, "Invalid fields specified"
+
+        # Authenticated function
+        assert self.caller is not None
+
+        # make sure we are 'admin'
+        if 'admin' not in self.caller['roles']:
+        	raise PLCPermissionDenied, "Not allowed to add node groups"
+
+	#creat node group
+        node_group = NodeGroup(self.api, optional_vals)
+        node_group['name'] = name
+        node_group['description'] = description
+        node_group.flush()
+
+        return node_group['nodegroup_id']
diff --git a/PLC/Methods/AdmDeleteNodeGroup.py b/PLC/Methods/AdmDeleteNodeGroup.py
new file mode 100644
index 0000000..d780e59
--- /dev/null
+++ b/PLC/Methods/AdmDeleteNodeGroup.py
@@ -0,0 +1,42 @@
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Auth import PasswordAuth
+from PLC.Nodes import Node, Nodes
+from PLC.NodeGroups import NodeGroup, NodeGroups
+
+class AdmDeleteNodeGroup(Method):
+    """
+    Delete an existing Node Group.
+
+    Admins my delete any node group
+
+    Returns 1 if successful, faults otherwise.
+    """
+
+    roles = ['admin']
+
+    accepts = [
+        PasswordAuth(),
+        NodeGroup.fields['nodegroup_id'],
+        ]
+
+    returns = Parameter(int, '1 if successful')
+
+    def call(self, auth, node_group_id):
+        # Get account information
+        nodegroups = NodeGroups(self.api, [node_group_id])
+        if not nodegroups:
+            raise PLCInvalidArgument, "No such node group"
+
+        nodegroup = nodegroups.values()[0]
+
+        # 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']:
+            # Authenticated function
+            raise PLCPermissionDenied, "Not allowed to delete nodes groups"
+
+        nodegroup.delete()
+
+        return 1
diff --git a/PLC/Methods/AdmGetNodeGroupNodes.py b/PLC/Methods/AdmGetNodeGroupNodes.py
new file mode 100644
index 0000000..8e845a6
--- /dev/null
+++ b/PLC/Methods/AdmGetNodeGroupNodes.py
@@ -0,0 +1,47 @@
+import os
+
+from PLC.Faults import *
+from PLC.Method import Method
+from PLC.Parameter import Parameter, Mixed
+from PLC.Sites import Site, Sites
+from PLC.Nodes import Node, Nodes
+from PLC.Auth import PasswordAuth
+from PLC.NodeGroups import NodeGroup, NodeGroups
+class AdmGetNodeGroupNodes(Method):
+    """
+    Return a list of node_ids for the node group specified.
+
+    """
+
+    roles = ['admin', 'pi', 'user', 'tech']
+
+    accepts = [
+        PasswordAuth(),
+        NodeGroup.fields['nodegroup_id']
+        ]
+
+    returns = [NodeGroup.join_fields['node_ids']]
+
+    def __init__(self, *args, **kwds):
+        Method.__init__(self, *args, **kwds)
+        # Update documentation with list of default fields returned
+        self.__doc__ += os.linesep.join(Site.default_fields.keys())
+
+    def call(self, auth, nodegroup_id):
+        # Authenticated function
+        assert self.caller is not None
+
+        # Get nodes in this nodegroup
+	nodegroup = NodeGroups(self.api, [nodegroup_id])	
+
+	# make sure sites are found
+	if not nodegroup:
+		raise PLCInvalidArgument, "No such site"
+	
+	#get the info for the node group specified
+	nodegroup_values = nodegroup.values()[0]
+
+	#grab the list of node ides fromt the disctioary
+	node_ids = nodegroup_values['node_ids']
+	
+        return node_ids
-- 
2.45.2