from PLC.Faults import *
from PLC.Method import Method
from PLC.Parameter import Parameter, Mixed
-from PLC.Nodes import Node, Nodes
+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.TagTypes import TagTypes
+from PLC.NodeTags import NodeTags, NodeTag
-related_fields = Node.related_fields.keys()
-can_update = lambda (field, value): field in \
- ['hostname', 'boot_state', 'model', 'version',
- 'key', 'session', 'boot_nonce'] + \
- related_fields
+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, session, and boot_nonce fields.
roles = ['admin', 'pi', 'tech']
- node_fields = dict(filter(can_update, Node.fields.items() + Node.related_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 = [
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', 'boot_nonce':
- if node_fields.has_key(key):
- 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]
if node['peer_id'] is not None:
- raise PLCInvalidArgument, "Not a local node"
-
- # Authenticated function
- assert self.caller 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.
raise PLCPermissionDenied, "Not allowed to delete nodes from specified site"
# Make requested associations
- for field in related_fields:
- if field in node_fields:
- node.associate(auth, field, node_fields[field])
- node_fields.pop(field)
-
- node.update(node_fields)
- node.update_last_updated(False)
- node.sync()
-
- # Logging variables
- self.event_objects = {'Node': [node['node_id']]}
- self.message = 'Node %d updated: %s.' % \
- (node['node_id'], ", ".join(node_fields.keys()))
- if 'boot_state' in node_fields.keys():
- self.message += ' boot_state updated to %s' % node_fields['boot_state']
+ 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
+ tag_types = TagTypes(self.api,{'tagname':tagname})
+ if not tag_types:
+ raise PLCInvalidArgument,"No such TagType %s"%tagname
+ tag_type = tag_types[0]
+ node_tags=NodeTags(self.api,{'tagname':tagname,'node_id':node['node_id']})
+ if not node_tags:
+ node_tag = NodeTag(self.api)
+ node_tag['node_id'] = node['node_id']
+ node_tag['tag_type_id'] = tag_type['tag_type_id']
+ node_tag['tagname'] = tagname
+ node_tag['value'] = value
+ node_tag.sync()
+ else:
+ node_tag = node_tags[0]
+ node_tag['value'] = value
+ node_tag.sync()
+
+ # 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