1 from PLC.Faults import *
2 from PLC.Auth import Auth
3 from PLC.Method import Method
4 from PLC.Parameter import Parameter, Mixed
5 from PLC.Namespace import hostname_to_hrn
6 from PLC.Sites import Site, Sites
7 from PLC.Nodes import Node, Nodes
8 from PLC.TagTypes import TagTypes
9 from PLC.NodeTags import NodeTags, NodeTag
10 from PLC.Methods.AddNodeTag import AddNodeTag
11 from PLC.Methods.UpdateNodeTag import UpdateNodeTag
13 can_update = lambda (field, value): field in \
14 ['hostname', 'node_type', 'boot_state', 'model', 'version']
16 class AddNode(Method):
18 Adds a new node. Any values specified in node_fields are used,
19 otherwise defaults are used.
21 PIs and techs may only add nodes to their own sites. Admins may
22 add nodes to any site.
24 Returns the new node_id (> 0) if successful, faults otherwise.
27 roles = ['admin', 'pi', 'tech']
29 accepted_fields = dict(filter(can_update, Node.fields.items()))
33 Mixed(Site.fields['site_id'],
34 Site.fields['login_base']),
38 returns = Parameter(int, 'New node_id (> 0) if successful')
40 def call(self, auth, site_id_or_login_base, node_fields):
42 # Get site information
43 sites = Sites(self.api, [site_id_or_login_base])
45 raise PLCInvalidArgument, "No such site"
49 # Authenticated function
50 assert self.caller is not None
52 # If we are not an admin, make sure that the caller is a
54 if 'admin' not in self.caller['roles']:
55 if site['site_id'] not in self.caller['site_ids']:
56 assert self.caller['person_id'] not in site['person_ids']
57 raise PLCPermissionDenied, "Not allowed to add nodes to specified site"
59 assert self.caller['person_id'] in site['person_ids']
61 node_fields = dict(filter(can_update, node_fields.items()))
62 node = Node(self.api, node_fields)
63 node['site_id'] = site['site_id']
66 # since hostname was specified lets add the 'hrn' node tag
67 root_auth = self.api.config.PLC_HRN_ROOT
68 login_base = site['login_base']
70 tags['hrn'] = hostname_to_hrn(root_auth, login_base, node['hostname'])
72 for (tagname,value) in tags.iteritems():
73 # the tagtype instance is assumed to exist, just check that
74 tag_types = TagTypes(self.api,{'tagname':tagname})
76 raise PLCInvalidArgument,"No such TagType %s"%tagname
77 tag_type = tag_types[0]
78 node_tags=NodeTags(self.api,{'tagname':tagname,'node_id':node['node_id']})
80 node_tag = NodeTag(self.api)
81 node_tag['node_id'] = node['node_id']
82 node_tag['tag_type_id'] = tag_type['tag_type_id']
83 node_tag['tagname'] = tagname
84 node_tag['value'] = value
87 node_tag = node_tags[0]
88 node_tag['value'] = value
92 return node['node_id']