3 # Interactively prompts for variable values
4 # expected arguments are
5 # command -d [default-xml [custom-xml [ consolidated-xml ]]]
7 # -d is for the myplc-devel package
9 # we use 3 instances of PLCConfiguration throughout:
10 # cdef : models the defaults, from plc_default.xml
11 # cread : merged from plc_default & configs/site.xml
12 # cwrite : site.xml + pending changes
19 from optparse import OptionParser
21 from geni.util.config import Config
22 from geni.util.hierarchy import *
23 from geni.util.misc import *
26 usual_variables = ["GENI_REGISTRY_ROOT_AUTH",
27 "GENI_REGISTRY_LEVEL1_AUTH",
28 "GENI_REGISTRY_ENABLED",
31 "GENI_AGGREGATE_ENABLED",
32 "GENI_AGGREGATE_HOST",
33 "GENI_AGGREGATE_PORT",
45 mainloop_usage= """Available commands:
46 u/U\t\t\tEdit usual variables
47 w/W\t\t\tWrite / Write & reload
48 q\t\t\tQuit (without saving)
51 l/L [<var>]\tShow Locally modified variables/values
52 s/S [<var>]\tShow all current variables/values
53 e/E [<var>]\tEdit variables (all, in category, single)
57 command_usage="%prog [options]"
59 Unless you specify the -d option, meaning you want to configure
60 using defaults without interactive prompts"""
62 variable_usage= """Edit Commands :
63 .\tStops prompting, return to mainloop
64 =\tShows default value
68 def save_config(changes, config_file):
69 # always validate before saving
70 changes = validate(changes)
72 cfile = open(config_file, 'r')
73 lines = cfile.readlines()
78 for variable in changes:
79 if line.startswith(variable):
81 value = int(changes[variable])
82 newline = '%s=%s\n' % (variable, value)
83 newlines.append(newline)
85 value = changes[variable]
86 newline = '%s="%s"\n' % (variable, value)
87 newlines.append(newline)
93 cfile = open(config_file, 'w')
94 cfile.writelines(newlines)
97 def validate(changes):
98 defaults = get_defaults()
103 # GENI_INTERFACE_HRN is GENI_REGISTRY_LEVEL1_AUTH, if thats blank it
104 # then defaults to GENI_REGISTRY_ROOT_AUTH
105 # GENI_REGISTRY_LEVEL1_AUTH, so if either of these are present we must
106 # update GENI_INTERFACE_HRN
107 if 'GENI_REGISTRY_ROOT_AUTH' in changes:
108 root_auth = changes['GENI_REGISTRY_ROOT_AUTH']
110 root_auth = defaults['GENI_REGISTRY_ROOT_AUTH']
112 if 'GENI_REGISTRY_LEVEL1_AUTH' in changes:
113 level1_auth = changes['GENI_REGISTRY_LEVEL1_AUTH']
115 level1_auth = default['GENI_REGISTRY_LEVEL1_AUTH']
118 interface_hrn = level1_auth
120 interface_hrn = root_auth
121 changes['GENI_INTERFACE_HRN'] = interface_hrn
125 geni_config = Config()
126 plc_vars = {'PLC_API_MAINTENANCE_PASSWORD': 'GENI_PLC_PASSWORD',
127 'PLC_API_MAINTENANCE_USER': 'GENI_PLC_USER'
130 from geni.util.config import plcConfig
131 plc_config = plcConfig
136 for var in dir(geni_config):
137 if var.startswith('GENI'):
138 value = eval("geni_config.%s" % var)
139 defaults[var] = value
141 # some defaults come from plc_config
142 for var in dir(plc_config):
144 value = eval("plc_config.%s" % var)
145 defaults[plc_vars[var]] = value
149 def prompt_variable(variable, default_config):
150 if variable in default_config:
151 default_value = default_config[variable]
156 prompt = "%(variable)s : [%(default_value)s] " % locals()
158 answer = raw_input(prompt).strip()
160 raise Exception ('BailOut')
161 except KeyboardInterrupt:
163 raise Excception ('BailOut')
165 if (answer == "") or (answer == default_value):
167 elif answer in ['""', "''"]:
169 elif (answer == "."):
170 raise Exception ('BailOut')
171 elif (answer == "?"):
172 print variable_usage.strip()
173 elif (answer == "="):
174 print ("%s defaults to %s" %(variable,default_value))
178 def show_variable(variable, value_dict):
179 print "%s=%s" % (variable, value_dict[variable])
181 def mainloop (default_config, config_file):
185 answer = raw_input("Enter command (u for usual changes, w to save, ? for help) ").strip()
188 except KeyboardInterrupt:
192 if (answer == "") or (answer in "?hH"):
198 if (answer in ["q","Q"]):
200 elif (answer == "w"):
201 save_config(changes, config_file)
202 elif (answer == "u"):
204 for varname in usual_variables:
205 changes[varname] = prompt_variable(varname, default_config)
206 except Exception, inst:
207 if (str(inst) != 'BailOut'):
209 elif (answer in ["e","E"]):
211 prompt_variable (cdef,cread,cwrite,category,variable,
213 except Exception, inst:
214 if (str(inst) != 'BailOut'):
216 elif (answer in "sS"):
217 for varname in usual_variables:
218 show_variable (varname, default_config)
219 elif (answer in "lL"):
221 print "No changes to display"
223 for varname in changes:
224 show_variable(varname, changes)
226 print ("Unknown command >%s< -- use h for help" % answer)
229 result.update(defaults)
230 result.update(changes)
233 def setup_server_key(config_dict):
234 hrn = config_dict.get('GENI_INTERFACE_HRN')
235 print "updating server key ...",
236 if not hrn: print "nothing to do"
238 # Get the path to the authorities directory hierarchy
239 hierarchy = Hierarchy()
240 path = hierarchy.basedir
241 auth_path = hrn.replace(".", os.sep)
243 # define some useful variables
246 hrn_leaf = get_leaf(hrn)
249 new_server_key = os.sep.join([path, auth_path, hrn_leaf])
250 old_server_key = os.sep.join([path, key])
251 old_server_cert = os.sep.join([path, cert])
253 # remove old key/cert
254 for fd in [old_server_key, old_server_cert]:
255 if os.path.isfile(fd):
258 # create new server.key
259 #os.copy(new_server_key, old_server_key)
260 print "%(old_server_key)s copied from %(new_server_key)s" % locals()
270 parser = OptionParser(usage=command_usage, version="%prog 1.0")
271 parser.set_defaults(config_dir="/etc/geni",
273 parser.add_option("","--configdir",dest="config_dir",action="append", help="specify configuration directory")
274 parser.add_option("","--usual_variable",dest="usual_variables",action="append", help="add a usual variable")
275 parser.add_option("-d", "--default", action="count", help="dont prompt for values, just use defaults")
276 (config,args) = parser.parse_args()
278 parser.error("too many arguments")
280 config_dir = parser.values.config_dir
281 config_file = os.sep.join([config_dir, 'geni_config'])
282 defaults = get_defaults()
283 # if -d is specified dont prompt, just configure with defaults
285 save_config(defaults, config_file)
288 results = mainloop (defaults, config_file)
289 setup_server_key(results)
292 if __name__ == '__main__':