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 import distutils.file_util
20 from optparse import OptionParser
22 from geni.util.config import Config
23 from geni.util.hierarchy import *
24 from geni.util.misc import *
27 all_variables = ["GENI_REGISTRY_ROOT_AUTH",
28 "GENI_REGISTRY_LEVEL1_AUTH",
29 "GENI_REGISTRY_ENABLED",
32 "GENI_AGGREGATE_ENABLED",
33 "GENI_AGGREGATE_HOST",
34 "GENI_AGGREGATE_PORT",
44 usual_variables = ["GENI_PLC_USER",
49 mainloop_usage= """Available commands:
50 u/U\t\t\tEdit usual variables
51 w/W\t\t\tWrite / Write & reload
52 q\t\t\tQuit (without saving)
55 l/L [<var>]\tShow Locally modified variables/values
56 s/S [<var>]\tShow all current variables/values
57 e/E [<var>]\tEdit variables (all, in category, single)
61 command_usage="%prog [options]"
63 Unless you specify the -d option, meaning you want to configure
64 using defaults without interactive prompts"""
66 variable_usage= """Edit Commands :
67 .\tStops prompting, return to mainloop
68 =\tShows default value
72 def save_config(changes, config_file):
73 # always validate before saving
74 changes = validate(changes)
76 cfile = open(config_file, 'r')
77 lines = cfile.readlines()
82 for variable in changes:
83 if line.startswith(variable+'='):
85 value = int(changes[variable])
86 newline = '%s=%s\n' % (variable, value)
87 newlines.append(newline)
89 value = changes[variable]
90 newline = '%s="%s"\n' % (variable, value)
91 newlines.append(newline)
97 cfile = open(config_file, 'w')
98 cfile.writelines(newlines)
100 print 'updated config file',config_file
102 def validate(changes):
103 defaults = get_defaults()
108 # GENI_INTERFACE_HRN is GENI_REGISTRY_LEVEL1_AUTH, if thats blank it
109 # then defaults to GENI_REGISTRY_ROOT_AUTH
110 # GENI_REGISTRY_LEVEL1_AUTH, so if either of these are present we must
111 # update GENI_INTERFACE_HRN
112 if 'GENI_REGISTRY_ROOT_AUTH' in changes:
113 root_auth = changes['GENI_REGISTRY_ROOT_AUTH']
115 root_auth = defaults['GENI_REGISTRY_ROOT_AUTH']
117 if 'GENI_REGISTRY_LEVEL1_AUTH' in changes:
118 level1_auth = changes['GENI_REGISTRY_LEVEL1_AUTH']
120 level1_auth = defaults['GENI_REGISTRY_LEVEL1_AUTH']
123 interface_hrn = level1_auth
125 interface_hrn = root_auth
126 changes['GENI_INTERFACE_HRN'] = interface_hrn
130 geni_config = Config()
131 plc_vars = {'PLC_API_MAINTENANCE_PASSWORD': 'GENI_PLC_PASSWORD',
132 'PLC_API_MAINTENANCE_USER': 'GENI_PLC_USER'
135 from geni.util.config import plcConfig
136 plc_config = plcConfig
141 for var in dir(geni_config):
142 if var.startswith('GENI'):
143 value = eval("geni_config.%s" % var)
144 defaults[var] = value
146 # some defaults come from plc_config
147 for var in dir(plc_config):
149 value = eval("plc_config.%s" % var)
150 defaults[plc_vars[var]] = value
154 def prompt_variable(variable, default_config):
155 if variable in default_config:
156 default_value = default_config[variable]
161 prompt = "%(variable)s : [%(default_value)s] " % locals()
163 answer = raw_input(prompt).strip()
165 raise Exception ('BailOut')
166 except KeyboardInterrupt:
168 raise Excception ('BailOut')
170 if (answer == "") or (answer == default_value):
172 elif answer in ['""', "''"]:
174 elif (answer == "."):
175 raise Exception ('BailOut')
176 elif (answer == "?"):
177 print variable_usage.strip()
178 elif (answer == "="):
179 print ("%s defaults to %s" %(variable,default_value))
183 def show_variable(variable, value_dict):
184 print "%s=%s" % (variable, value_dict[variable])
186 def mainloop (default_config, config_file):
190 answer = raw_input("Enter command (u for usual changes, w to save, ? for help) ").strip()
193 except KeyboardInterrupt:
197 if (answer == "") or (answer in "?hH"):
203 if (answer in ["q","Q"]):
205 elif (answer == "w"):
206 save_config(changes, config_file)
207 elif (answer == "u"):
209 for varname in usual_variables:
210 changes[varname] = prompt_variable(varname, default_config)
211 except Exception, inst:
212 if (str(inst) != 'BailOut'):
214 elif (answer in ["e","E"]):
216 prompt_variable (cdef,cread,cwrite,category,variable,
218 except Exception, inst:
219 if (str(inst) != 'BailOut'):
221 elif (answer in "sS"):
222 for varname in usual_variables:
223 show_variable (varname, default_config)
224 elif (answer in "lL"):
226 print "No changes to display"
228 for varname in changes:
229 show_variable(varname, changes)
231 print ("Unknown command >%s< -- use h for help" % answer)
234 result.update(default_config)
235 result.update(changes)
238 def setup_server_key(config_dict):
239 hrn = config_dict.get('GENI_INTERFACE_HRN')
242 # Get the path to the authorities directory hierarchy
243 hierarchy = Hierarchy()
244 path = hierarchy.basedir
245 auth_path = hrn.replace(".", os.sep)
247 # define some useful variables
250 hrn_leaf = get_leaf(hrn)
253 new_server_key = os.sep.join([path, auth_path, hrn_leaf]) + ".pkey"
254 old_server_key = os.sep.join([path, key])
255 old_server_cert = os.sep.join([path, cert])
257 # remove old key/cert
258 for fd in [old_server_key, old_server_cert]:
259 if os.path.isfile(fd):
262 # create new server.key
263 distutils.file_util.copy_file(src=new_server_key, dst=old_server_key, verbose=1)
264 print "\t\t%(old_server_key)s\ncopied from\t%(new_server_key)s" % locals()
274 parser = OptionParser(usage=command_usage, version="%prog 1.0")
275 parser.set_defaults(config_dir="/etc/geni",
277 parser.add_option("","--configdir",dest="config_dir",action="append", help="specify configuration directory")
278 parser.add_option("","--usual_variable",dest="usual_variables",action="append", help="add a usual variable")
279 parser.add_option("-d", "--default", action="count", help="dont prompt for values, just use defaults")
280 (config,args) = parser.parse_args()
282 parser.error("too many arguments")
284 config_dir = parser.values.config_dir
285 config_file = os.sep.join([config_dir, 'geni_config'])
286 defaults = get_defaults()
287 # if -d is specified dont prompt, just configure with defaults
289 save_config(defaults, config_file)
292 results = mainloop (defaults, config_file)
293 setup_server_key(results)
296 if __name__ == '__main__':