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, 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 "GetNodeFlavour, unknown 'virt' %s - ignored" % right
64 for fcdistro in [ x.strip() for x in left.split(',')]:
67 print "GetNodeFlavour, issue with parsing PLC_FLAVOUR_VIRT_MAP=%s - returning '%s'"%\
68 (self.api.config.PLC_FLAVOUR_VIRT_MAP,GetNodeFlavour.default_virt)
70 return GetNodeFlavour.default_virt
71 if fcdistro in map: return map[fcdistro]
72 if 'default' in map: return map['default']
73 return GetNodeFlavour.default_virt
76 def extensions (self, auth, node_id, fcdistro, arch):
78 return [ "%s-%s-%s"%(e,fcdistro,arch) for e in GetNodeExtensions(self.api,self.caller).call(auth,node_id).split() ]
82 def plain (self, auth, node_id):
83 return not not GetNodePlainBootstrapfs(self.api,self.caller).call(auth,node_id)
85 def call(self, auth, node_id_or_name):
86 # Get node information
87 nodes = Nodes(self.api, [node_id_or_name])
89 raise PLCInvalidArgument, "No such node %r"%node_id_or_name
91 node_id = node['node_id']
93 arch = GetNodeArch (self.api,self.caller).call(auth,node_id)
94 # if not set, use the global default and tag the node, in case the global default changes later on
96 arch = self.api.config.PLC_FLAVOUR_NODE_ARCH
97 SetNodeArch (self.api,self.caller).call(auth,node_id,arch)
99 fcdistro = GetNodeFcdistro (self.api,self.caller).call(auth, node_id)
101 fcdistro = self.api.config.PLC_FLAVOUR_NODE_FCDISTRO
102 SetNodeFcdistro (self.api,self.caller).call (auth, node_id, fcdistro)
104 pldistro = GetNodePldistro (self.api,self.caller).call(auth, node_id)
106 pldistro = self.api.config.PLC_FLAVOUR_NODE_PLDISTRO
107 SetNodePldistro(self.api,self.caller).call(auth,node_id,pldistro)
109 virt = GetNodeVirt (self.api,self.caller).call(auth, node_id)
111 virt = self.virt_from_virt_map (fcdistro)
112 SetNodeVirt (self.api, self.caller).call (auth, node_id, virt)
114 # xxx could use some sanity checking, and could provide fallbacks
117 'fcdistro' : fcdistro,
118 'pldistro' : pldistro,
120 'nodefamily': self.nodefamily(auth,node_id, fcdistro, pldistro, arch),
121 'extensions': self.extensions(auth,node_id, fcdistro, arch),
122 'plain' : self.plain(auth,node_id),