- Change .py files to use 4-space indents and no hard tab characters.

[plcapi.git] / PLC / Methods / UpdateNode.py

diff --git a/PLC/Methods/UpdateNode.py b/PLC/Methods/UpdateNode.py
index 4c2f284..a74db92 100644 (file)
--- a/PLC/Methods/UpdateNode.py
+++ b/PLC/Methods/UpdateNode.py
@@ -1,54 +1,76 @@
+# $Id$
+# $URL$
 from PLC.Faults import *
 from PLC.Method import Method
 from PLC.Parameter import Parameter, Mixed
+from PLC.Table import Row
+from PLC.Auth import Auth
+from PLC.Namespace import hostname_to_hrn
+from PLC.Peers import Peers
+from PLC.Sites import Sites
 from PLC.Nodes import Node, Nodes
-from PLC.Auth import PasswordAuth
+from PLC.TagTypes import TagTypes
+from PLC.NodeTags import NodeTags
+from PLC.Methods.AddNodeTag import AddNodeTag
+from PLC.Methods.UpdateNodeTag import UpdateNodeTag
 
-can_update = lambda (field, value): field in \
-             ['hostname', 'boot_state', 'model', 'version',
-              'key', 'session']
+admin_only = [ 'key', 'session', 'boot_nonce', 'site_id']
+can_update = ['hostname', 'node_type', 'boot_state', 'model', 'version'] + admin_only
 
 class UpdateNode(Method):
     """
     Updates a node. Only the fields specified in node_fields are
     updated, all other fields are left untouched.
-    
+
     PIs and techs can update only the nodes at their sites. Only
-    admins can update the key and session fields.
+    admins can update the key, session, and boot_nonce fields.
 
     Returns 1 if successful, faults otherwise.
     """
 
     roles = ['admin', 'pi', 'tech']
 
-    node_fields = dict(filter(can_update, Node.fields.items()))
+    accepted_fields = Row.accepted_fields(can_update,Node.fields)
+    # xxx check the related_fields feature
+    accepted_fields.update(Node.related_fields)
+    accepted_fields.update(Node.tags)
 
     accepts = [
-        PasswordAuth(),
+        Auth(),
         Mixed(Node.fields['node_id'],
               Node.fields['hostname']),
-        node_fields
+        accepted_fields
         ]
 
     returns = Parameter(int, '1 if successful')
 
     def call(self, auth, node_id_or_hostname, node_fields):
-        node_fields = dict(filter(can_update, node_fields.items()))
 
-       # Remove admin only fields
-       if 'admin' not in self.caller['roles']:
-            for key in 'key', 'session':
-                del node_fields[key]
+        # split provided fields
+        [native,related,tags,rejected] = Row.split_fields(node_fields,[Node.fields,Node.related_fields,Node.tags])
+
+        # type checking
+        native = Row.check_fields (native, self.accepted_fields)
+        if rejected:
+            raise PLCInvalidArgument, "Cannot update Node column(s) %r"%rejected
+
+        # Authenticated function
+        assert self.caller is not None
+
+        # Remove admin only fields
+        if 'admin' not in self.caller['roles']:
+            for key in admin_only:
+                if native.has_key(key):
+                    del native[key]
 
         # Get account information
         nodes = Nodes(self.api, [node_id_or_hostname])
         if not nodes:
-            raise PLCInvalidArgument, "No such node"
+            raise PLCInvalidArgument, "No such node %r"%node_id_or_hostname
+        node = nodes[0]
 
-        node = nodes.values()[0]
-
-        # Authenticated function
-        assert self.caller is not None
+        if node['peer_id'] is not None:
+            raise PLCInvalidArgument, "Not a local node %r"%node_id_or_hostname
 
         # If we are not an admin, make sure that the caller is a
         # member of the site at which the node is located.
@@ -56,7 +78,42 @@ class UpdateNode(Method):
             if node['site_id'] not in self.caller['site_ids']:
                 raise PLCPermissionDenied, "Not allowed to delete nodes from specified site"
 
-        node.update(node_fields)
-        node.sync()
+        # Make requested associations
+        for (k,v) in related.iteritems():
+            node.associate(auth, k,v)
+
+        node.update(native)
+        node.update_last_updated(commit=False)
+        node.sync(commit=True)
+
+        # if hostname was modifed make sure to update the hrn
+        # tag
+        if 'hostname' in native:
+            root_auth = self.api.config.PLC_HRN_ROOT
+            # sub auth is the login base of this node's site
+            sites = Sites(self.api, node['site_id'], ['login_base'])
+            site = sites[0]
+            login_base = site['login_base']
+            tags['hrn'] = hostname_to_hrn(root_auth, login_base, node['hostname'])
+
+        for (tagname,value) in tags.iteritems():
+            # the tagtype instance is assumed to exist, just check that
+            if not TagTypes(self.api,{'tagname':tagname}):
+                raise PLCInvalidArgument,"No such TagType %s"%tagname
+            node_tags=NodeTags(self.api,{'tagname':tagname,'node_id':node['node_id']})
+            if not node_tags:
+                AddNodeTag(self.api).__call__(auth,node['node_id'],tagname,value)
+            else:
+                UpdateNodeTag(self.api).__call__(auth,node_tags[0]['node_tag_id'],value)
+
+        # Logging variables
+        self.event_objects = {'Node': [node['node_id']]}
+        if 'hostname' in node:
+            self.message = 'Node %s updated'%node['hostname']
+        else:
+            self.message = 'Node %d updated'%node['node_id']
+        self.message += " [%s]." % (", ".join(node_fields.keys()),)
+        if 'boot_state' in node_fields.keys():
+            self.message += ' boot_state updated to %s' % node_fields['boot_state']
 
         return 1