3 from PLC.Method import Method
4 from PLC.Auth import Auth
5 from PLC.Faults import *
6 from PLC.Parameter import *
7 from PLC.Nodes import Node, Nodes
9 from PLC.Accessors.Accessors_standard import * # import node accessors
11 class GetNodeFlavour(Method):
13 Returns detailed information on a given node's flavour, i.e. its
16 This depends on the global PLC settings in the PLC_FLAVOUR area,
17 optionnally overridden by any of the following tags if set on that node:
19 'arch', 'pldistro', 'fcdistro',
20 'deployment', 'extensions',
23 roles = ['admin', 'user', 'node']
27 Mixed(Node.fields['node_id'],
28 Node.fields['hostname']),
32 'nodefamily' : Parameter (str, "the nodefamily this node should be based upon"),
33 'fcdistro': Parameter (str, "the fcdistro this node should be based upon"),
34 'extensions' : [ Parameter (str, "extensions to add to the base install") ],
35 'plain' : Parameter (bool, "use plain bootstrapfs image if set (for tests)" ) ,
40 def nodefamily (self, auth, node_id, fcdistro, arch):
42 # the deployment tag, if set, wins
43 # xxx Thierry: this probably is wrong; we need fcdistro to be set anyway
44 # for generating the proper yum config....
45 deployment = GetNodeDeployment (self.api).call(auth,node_id)
46 if deployment: return deployment
48 pldistro = GetNodePldistro (self.api).call(auth, node_id)
50 pldistro = self.api.config.PLC_FLAVOUR_NODE_PLDISTRO
51 SetNodePldistro(self.api).call(auth,node_id,pldistro)
53 # xxx would make sense to check the corresponding bootstrapfs is available
54 return "%s-%s-%s"%(pldistro,fcdistro,arch)
56 def extensions (self, auth, node_id, fcdistro, arch):
58 return [ "%s-%s-%s"%(e,fcdistro,arch) for e in GetNodeExtensions(self.api).call(auth,node_id).split() ]
62 def plain (self, auth, node_id):
63 return not not GetNodePlainBootstrapfs(self.api).call(auth,node_id)
65 def call(self, auth, node_id_or_name):
66 # Get node information
67 nodes = Nodes(self.api, [node_id_or_name])
69 raise PLCInvalidArgument, "No such node %r"%node_id_or_name
71 node_id = node['node_id']
73 arch = GetNodeArch (self.api).call(auth,node_id)
74 # if not set, use the global default and tag the node, in case the global default changes later on
76 arch = self.api.config.PLC_FLAVOUR_NODE_ARCH
77 SetNodeArch (self.api).call(auth,node_id,arch)
79 fcdistro = GetNodeFcdistro (self.api).call(auth, node_id)
81 fcdistro = self.api.config.PLC_FLAVOUR_NODE_FCDISTRO
82 SetNodeFcdistro (self.api).call (auth, node_id, fcdistro)
84 # xxx could use some sanity checking, and could provide fallbacks
85 return { 'nodefamily' : self.nodefamily(auth,node_id, fcdistro, arch),
86 'fcdistro' : fcdistro,
87 'extensions' : self.extensions(auth,node_id, fcdistro, arch),
88 'plain' : self.plain(auth,node_id),