8 from optparse import OptionParser
13 d_registry= "http://www.planet-lab.org:12345"
14 d_slicemgr= "http://www.planet-lab.org:12347"
15 d_aggmgr= "http://www.planet-lab.org:12346"
18 # local code name, config variable name, default
19 ('slice', 'SFI_SLICE' , None, '-s','--slice', "slice HRN"),
20 ('user', 'SFI_USER', None, '-u','--user', "user HRN"),
21 ('authority', 'SFI_AUTH', None, '-t','--auth', "users's authority HRN"),
22 ('registry', 'SFI_REGISTRY', d_registry, '-r','--registry', "registry's URL"),
23 ('slicemgr', 'SFI_SM' , d_slicemgr, '-m','--slicemgr', "slice manager's URL"),
24 ('aggmgr', 'SFI_AM', d_aggmgr, '-a','--aggregate', "aggregate manager's URL"),
25 ('verbose', 'SFACE_VERBOSE',False, '-v','--verbose', "UI verbosity"),
26 ('debug', 'SFACE_DEBUG', False, '-d','--debug', "UI debug flag"),
30 return [ tup[0] for tup in SfiConfig.supported ]
32 def field_labels (self):
33 return [ (tup[0],tup[5]) for tup in SfiConfig.supported ]
35 def sfi_field (self, sfi):
36 for tuple in SfiConfig.supported:
37 if tuple[1]==sfi: return tuple[0]
40 def field_default (self, field):
41 for tuple in SfiConfig.supported:
42 if tuple[0]==field: return tuple[2]
45 # xxx todo - need for validators - not even sure this is still useful
46 def define_accessors (self):
47 for (field,sfi,default,_,__,___) in SfiConfig.supported:
48 self.define_accessor (field,sfi,default)
50 def define_accessor (self,field,sfi,default):
51 get_name="get" + field.capitalize();
52 if not hasattr(SfiConfig,get_name):
53 def get_call (self): return getattr(self,field)
54 setattr (SfiConfig, get_name, get_call)
55 set_name="set" + field.capitalize();
56 if not hasattr(SfiConfig,set_name):
57 def set_call (self, newvalue): setattr (self, field, newvalue)
58 setattr (SfiConfig, set_name, set_call)
60 # the generic form of accessors
61 def get(self,field): return getattr(self,field)
62 def set(self,field,value): setattr(self,field,value)
68 return os.path.expanduser("~/.sfi/sfi_config")
70 def read_config(self):
73 execfile(self.filename(), tmp)
75 print "Warning - no config file found %s"%self.filename()
77 for (field,sfi,default,_,__,___) in SfiConfig.supported:
78 if tmp.has_key(sfi):setattr(self,field,tmp[sfi])
79 else: setattr(self,field,default)
80 self.display("After reading config from %s"%self.filename())
82 def display (self, msg):
85 for k in self.fields():
86 print "%-20s: %r"%(k,getattr(self,k))
88 def save_config(self):
89 configfile = self.filename()
90 tmpfile = configfile + ".tmp"
92 out = open(tmpfile, "w")
95 for line in open(configfile):
98 sfi, val = line.split('=')
101 field=self.sfi_field(sfi)
103 line = "%s = '%s'\n" % (sfi, getattr(self, field))
107 print 'line',lineno,'ignored',line
111 os.unlink(configfile)
112 os.rename(tmpfile, configfile)
114 def add_options_to_OptionParser (self, parser):
115 for (field,_,default,short,long,msg) in SfiConfig.supported:
116 if default==True or default==False:
117 parser.add_option(short,long,dest=field,action="store_true",help=msg)
119 parser.add_option(short,long,dest=field,action="store",default=None, help=msg)
121 def update_from_OptionParser (self, optparse_options):
122 for field in self.fields():
123 if not hasattr(optparse_options,field) : continue
124 value=getattr(optparse_options,field)
125 if value is not None:
126 setattr(self,field,getattr(optparse_options,field))
128 # def setUser(self, user):
129 # SfiConfig.SFI_USER = user
131 # # Should probably get authority from user record instead...
132 # a = user.split('.')
133 # SfiConfig.SFI_AUTH = '.'.join(a[:len(a)-1])
135 def getSliceRSpecFile(self):
136 return os.path.expanduser("~/.sfi/%s.rspec" % self.getSlice())
139 # configuration singleton
141 config.define_accessors()