2 from PLC.Faults import *
3 from PLC.Method import Method
4 from PLC.Parameter import Parameter, Mixed
5 from PLC.Table import Row
6 from PLC.Nodes import Node, Nodes
7 from PLC.Auth import Auth
8 from PLC.TagTypes import TagTypes
9 from PLC.NodeTags import NodeTags
10 from PLC.Methods.AddNodeTag import AddNodeTag
11 from PLC.Methods.UpdateNodeTag import UpdateNodeTag
13 can_update = ['hostname', 'boot_state', 'model', 'version','key', 'session', 'boot_nonce', 'site_id'] + \
14 Node.related_fields.keys()
16 class UpdateNode(Method):
18 Updates a node. Only the fields specified in node_fields are
19 updated, all other fields are left untouched.
21 PIs and techs can update only the nodes at their sites. Only
22 admins can update the key, session, and boot_nonce fields.
24 Returns 1 if successful, faults otherwise.
27 roles = ['admin', 'pi', 'tech']
29 node_fields = Row.accepted_fields(can_update,[Node.fields,Node.related_fields,Node.tags])
33 Mixed(Node.fields['node_id'],
34 Node.fields['hostname']),
38 returns = Parameter(int, '1 if successful')
40 def call(self, auth, node_id_or_hostname, node_fields):
42 # split provided fields
43 [native,related,tags,rejected] = Row.split_fields(node_fields,[Node.fields,Node.related_fields,Node.tags])
46 raise PLCInvalidArgument, "Cannot update column(s) %r"%rejected
48 # Remove admin only fields
49 if 'admin' not in self.caller['roles']:
50 for key in 'key', 'session', 'boot_nonce', 'site_id':
51 if native.has_key(key):
54 # Get account information
55 nodes = Nodes(self.api, [node_id_or_hostname])
57 raise PLCInvalidArgument, "No such node %r"%node_id_or_hostname
60 if node['peer_id'] is not None:
61 raise PLCInvalidArgument, "Not a local node %r"%node_id_or_hostname
63 # Authenticated function
64 assert self.caller is not None
66 # If we are not an admin, make sure that the caller is a
67 # member of the site at which the node is located.
68 if 'admin' not in self.caller['roles']:
69 if node['site_id'] not in self.caller['site_ids']:
70 raise PLCPermissionDenied, "Not allowed to delete nodes from specified site"
72 # Make requested associations
73 for (k,v) in related.iteritems():
74 node.associate(auth, k,v)
77 node.update_last_updated(commit=False)
78 node.sync(commit=True)
81 self.event_objects = {'Node': [node['node_id']]}
82 self.message = 'Node %d updated: %s.' % \
83 (node['node_id'], ", ".join(node_fields.keys()))
84 if 'boot_state' in node_fields.keys():
85 self.message += ' boot_state updated to %s' % node_fields['boot_state']
87 for (tagname,tagvalue) in tags.iteritems():
88 # the tagtype instance is assumed to exist, just check that
89 if not TagTypes(self.api,{'tagname':tagname}):
90 raise PLCInvalidArgument,"No such TagType %s"%tagname
91 node_tags=NodeTags(self.api,{'tagname':tagname,'node_id':node['node_id']})
93 AddNodeTag(self.api).__call__(auth,node['node_id'],tagname,tagvalue)
95 UpdateNodeTag(self.api).__call__(auth,node_tags[0]['node_tag_id'],tagvalue)