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', 'virt',
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, pldistro, 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,self.caller).call(auth,node_id)
46 if deployment: return deployment
48 # xxx would make sense to check the corresponding bootstrapfs is available
49 return "%s-%s-%s"%(pldistro,fcdistro,arch)
52 # parse PLC_FLAVOUR_VIRT_MAP
53 known_virts=['vs','lxc']
55 def virt_from_virt_map (self, node_fcdistro):
58 assigns=[x.strip() for x in self.api.config.PLC_FLAVOUR_VIRT_MAP.split(';')]
59 for assign in assigns:
60 (left,right)=[x.strip() for x in assign.split(':')]
61 if right not in GetNodeFlavour.known_virts:
62 print >> log, "GetNodeFlavour, unknown 'virt' %s - ignored" % right
64 for fcdistro in [ x.strip() for x in left.split(',')]:
67 print >> log, "GetNodeFlavour, issue with parsing PLC_FLAVOUR_VIRT_MAP=%s - returning '%s'"%\
68 (self.api.config.PLC_FLAVOUR_VIRT_MAP,GetNodeFlavour.default_virt)
69 traceback.print_exc(file=log)
70 return GetNodeFlavour.default_virt
71 # print 'virt_from_virt_map, using map',map
72 if node_fcdistro in map: return map[node_fcdistro]
73 if 'default' in map: return map['default']
74 return GetNodeFlavour.default_virt
77 def extensions (self, auth, node_id, fcdistro, arch):
79 return [ "%s-%s-%s"%(e,fcdistro,arch) for e in GetNodeExtensions(self.api,self.caller).call(auth,node_id).split() ]
83 def plain (self, auth, node_id):
84 return not not GetNodePlainBootstrapfs(self.api,self.caller).call(auth,node_id)
86 def call(self, auth, node_id_or_name):
87 # Get node information
88 nodes = Nodes(self.api, [node_id_or_name])
90 raise PLCInvalidArgument, "No such node %r"%node_id_or_name
92 node_id = node['node_id']
94 arch = GetNodeArch (self.api,self.caller).call(auth,node_id)
95 # if not set, use the global default and tag the node, in case the global default changes later on
97 arch = self.api.config.PLC_FLAVOUR_NODE_ARCH
98 SetNodeArch (self.api,self.caller).call(auth,node_id,arch)
100 fcdistro = GetNodeFcdistro (self.api,self.caller).call(auth, node_id)
102 fcdistro = self.api.config.PLC_FLAVOUR_NODE_FCDISTRO
103 SetNodeFcdistro (self.api,self.caller).call (auth, node_id, fcdistro)
105 pldistro = GetNodePldistro (self.api,self.caller).call(auth, node_id)
107 pldistro = self.api.config.PLC_FLAVOUR_NODE_PLDISTRO
108 SetNodePldistro(self.api,self.caller).call(auth,node_id,pldistro)
110 virt = GetNodeVirt (self.api,self.caller).call(auth, node_id)
112 virt = self.virt_from_virt_map (fcdistro)
113 # do not save in node - if a node was e.g. f14 and it gets set to f16
114 # we do not want to have to re-set virt
115 # SetNodeVirt (self.api, self.caller).call (auth, node_id, virt)
117 # xxx could use some sanity checking, and could provide fallbacks
120 'fcdistro' : fcdistro,
121 'pldistro' : pldistro,
123 'nodefamily': self.nodefamily(auth,node_id, fcdistro, pldistro, arch),
124 'extensions': self.extensions(auth,node_id, fcdistro, arch),
125 'plain' : self.plain(auth,node_id),