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
9 can_update = ['hostname', 'boot_state', 'model', 'version','key', 'session', 'boot_nonce', 'site_id'] + \
10 Node.related_fields.keys()
12 class UpdateNode(Method):
14 Updates a node. Only the fields specified in node_fields are
15 updated, all other fields are left untouched.
17 PIs and techs can update only the nodes at their sites. Only
18 admins can update the key, session, and boot_nonce fields.
20 Returns 1 if successful, faults otherwise.
23 roles = ['admin', 'pi', 'tech']
25 node_fields = Row.accepted_fields(can_update,[Node.fields,Node.related_fields,Node.tags])
29 Mixed(Node.fields['node_id'],
30 Node.fields['hostname']),
34 returns = Parameter(int, '1 if successful')
36 def call(self, auth, node_id_or_hostname, node_fields):
38 # split provided fields
39 [native,related,tags,rejected] = Row.split_fields(node_fields,[Node.fields,Node.related_fields,Node.tags])
42 raise PLCInvalidArgument, "Cannot update column(s) %r"%rejected
44 # Remove admin only fields
45 if 'admin' not in self.caller['roles']:
46 for key in 'key', 'session', 'boot_nonce', 'site_id':
47 if native.has_key(key):
50 # Get account information
51 nodes = Nodes(self.api, [node_id_or_hostname])
53 raise PLCInvalidArgument, "No such node %r"%node_id_or_hostname
56 if node['peer_id'] is not None:
57 raise PLCInvalidArgument, "Not a local node %r"%node_id_or_hostname
59 # Authenticated function
60 assert self.caller is not None
62 # If we are not an admin, make sure that the caller is a
63 # member of the site at which the node is located.
64 if 'admin' not in self.caller['roles']:
65 if node['site_id'] not in self.caller['site_ids']:
66 raise PLCPermissionDenied, "Not allowed to delete nodes from specified site"
68 # Make requested associations
69 for (k,v) in related.iteritems():
70 node.associate(auth, k,v)
73 print 'UpdateNode: warning, tags not handled yet',
74 for (k,v) in tags.iteritems(): print k
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']