system/TestMain.py

   1 #!/usr/bin/env python
   2 # $Id$
   3
   4 import os, sys
   5 from optparse import OptionParser
   6 import traceback
   7
   8 import utils
   9 from TestPlc import TestPlc
  10 from TestSite import TestSite
  11 from TestNode import TestNode
  12
  13 class TestMain:
  14
  15     subversion_id = "$Id$"
  16
  17     default_config = [ 'onelab' ]
  18
  19     default_steps = ['uninstall','install','install_rpm',
  20                      'configure', 'start',
  21                      'store_keys', 'initscripts',
  22                      'sites', 'nodes', 'slices',
  23                      'bootcd', 'nodegroups',
  24                      'start_nodes', 'check_nodes', 'check_slices' ]
  25     other_steps = [ 'fresh_install', 'stop',
  26                     'clean_sites', 'clean_nodes', 'clean_slices', 'clean_keys',
  27                     'stop_nodes' ,  'db_dump' , 'db_restore',
  28                     ]
  29     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  30
  31     def __init__ (self):
  32         self.path=os.path.dirname(sys.argv[0])
  33
  34     @staticmethod
  35     def show_env (options, message):
  36         utils.header (message)
  37         utils.show_spec("main options",options)
  38
  39     @staticmethod
  40     def optparse_list (option, opt, value, parser):
  41         try:
  42             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  43         except:
  44             setattr(parser.values,option.dest,value.split())
  45
  46     def test_main (self):
  47         usage = """usage: %%prog [options] steps
  48 myplc-url defaults to the last value used, as stored in MYPLC-URL,
  49    no default
  50 build-url defaults to the last value used, as stored in BUILD-URL,
  51    or %s
  52 config defaults to the last value used, as stored in CONFIG,
  53    or %r
  54 ips defaults to the last value used, as stored in IPS,
  55    default is to use IP scanning
  56 steps refer to a method in TestPlc or to a step_* module"""%(TestMain.default_build_url,TestMain.default_config)
  57         usage += "\n  Defaut steps are %r"%TestMain.default_steps
  58         usage += "\n  Other useful steps are %r"%TestMain.other_steps
  59         parser=OptionParser(usage=usage,version=self.subversion_id)
  60         parser.add_option("-u","--url",action="store", dest="myplc_url",
  61                           help="myplc URL - for locating build output")
  62         parser.add_option("-b","--build",action="store", dest="build_url",
  63                           help="Build URL - for using vtest-init-vserver.sh in native mode")
  64         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  65                           nargs=1,type="string",
  66                           help="config module - can be set multiple times, or use quotes")
  67         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  68                           help="Runs all default steps")
  69         parser.add_option("-s","--state",action="store",dest="dbname",default=None,
  70                            help="Used by db_dump and db_restore")
  71         parser.add_option("-d","--display", action="store", dest="display", default='bellami.inria.fr:0.0',
  72                           help="set DISPLAY for vmplayer")
  73         parser.add_option("-i","--ip",action="callback", callback=TestMain.optparse_list, dest="ips",
  74                           nargs=1,type="string",
  75                           help="allows to specify the set of IP addresses to use in vserver mode (disable scanning)")
  76         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  77                           help="Run in verbose mode")
  78         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
  79                           help="Show environment and exits")
  80         (self.options, self.args) = parser.parse_args()
  81
  82         if len(self.args) == 0:
  83             if self.options.all_steps:
  84                 self.options.steps=TestMain.default_steps
  85             elif self.options.dry_run:
  86                 self.options.steps=TestMain.default_steps
  87             else:
  88                 print 'No step found (do you mean -a ? )'
  89                 print "Run %s --help for help"%sys.argv[0]
  90                 sys.exit(1)
  91         else:
  92             self.options.steps = self.args
  93
  94         # display display
  95         utils.header('X11 display : %s'% self.options.display)
  96
  97         # handle defaults and option persistence
  98         for (recname,filename,default) in ( ('myplc_url','MYPLC-URL',"") ,
  99                                             ('build_url','BUILD-URL',TestMain.default_build_url) ,
 100                                             ('ips','IPS',[]) ,
 101                                             ('config','CONFIG',TestMain.default_config) , ) :
 102             print 'handling',recname
 103             path="%s/%s"%(self.path,filename)
 104             is_list = isinstance(default,list)
 105             if not getattr(self.options,recname):
 106                 try:
 107                     parsed=file(path).readlines()
 108                     if not is_list:    # strings
 109                         if len(parsed) != 1:
 110                             print "%s - error when parsing %s"%(sys.argv[1],path)
 111                             sys.exit(1)
 112                         parsed=parsed[0].strip()
 113                     else:              # lists
 114                         parsed=[x.strip() for x in parsed]
 115                     setattr(self.options,recname,parsed)
 116                 except:
 117                     if default != "":
 118                         setattr(self.options,recname,default)
 119                     else:
 120                         print "Cannot determine",recname
 121                         print "Run %s --help for help"%sys.argv[0]
 122                         sys.exit(1)
 123             utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 124
 125             # save for next run
 126             fsave=open(path,"w")
 127             if not is_list:
 128                 fsave.write(getattr(self.options,recname) + "\n")
 129             else:
 130                 for value in getattr(self.options,recname):
 131                     fsave.write(value + "\n")
 132             fsave.close()
 133             utils.header('Saved %s into %s'%(recname,filename))
 134
 135         # steps
 136         if not self.options.steps:
 137             #default (all) steps
 138             #self.options.steps=['dump','clean','install','populate']
 139             self.options.steps=TestMain.default_steps
 140
 141         # store self.path in options.path for the various callbacks
 142         self.options.path = self.path
 143
 144         if self.options.verbose:
 145             self.show_env(self.options,"Verbose")
 146
 147         # load configs
 148         all_plc_specs = []
 149         for config in self.options.config:
 150             modulename='config_'+config
 151             try:
 152                 m = __import__(modulename)
 153                 all_plc_specs = m.config(all_plc_specs,self.options)
 154             except :
 155                 traceback.print_exc()
 156                 print 'Cannot load config %s -- ignored'%modulename
 157                 raise
 158         # show config
 159         utils.show_spec("Test specifications",all_plc_specs)
 160         # build a TestPlc object from the result
 161         for spec in all_plc_specs:
 162             spec['disabled'] = False
 163         all_plcs = [ (x, TestPlc(x)) for x in all_plc_specs]
 164
 165         overall_result = True
 166         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 167         all_step_infos=[]
 168         for step in self.options.steps:
 169             # try and locate a method in TestPlc
 170             if testplc_method_dict.has_key(step):
 171                 all_step_infos += [ (step, testplc_method_dict[step] )]
 172             # otherwise search for the 'run' method in the step_<x> module
 173             else:
 174                 modulename='step_'+step
 175                 try:
 176                     # locate all methods named run* in the module
 177                     module_dict = __import__(modulename).__dict__
 178                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 179                     if not names:
 180                         raise Exception,"No run* method in module %s"%modulename
 181                     names.sort()
 182                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name]) for name in names ]
 183                 except :
 184                     print 'Step %s -- ignored'%(step)
 185                     traceback.print_exc()
 186                     overall_result = False
 187
 188         if self.options.dry_run:
 189             self.show_env(self.options,"Dry run")
 190             return 0
 191
 192         # do all steps on all plcs
 193         for (name,method) in all_step_infos:
 194             for (spec,obj) in all_plcs:
 195                 if not spec['disabled']:
 196                     try:
 197                         utils.header("Running step %s on plc %s"%(name,spec['name']))
 198                         step_result = method(obj,self.options)
 199                         if step_result:
 200                             utils.header('Successful step %s on %s'%(name,spec['name']))
 201                         else:
 202                             overall_result = False
 203                             spec['disabled'] = True
 204                             utils.header('Step %s on %s FAILED - discarding that plc from further steps'%(name,spec['name']))
 205                     except:
 206                         overall_result=False
 207                         spec['disabled'] = True
 208                         utils.header ('Step %s on plc %s FAILED (exception) - discarding this plc from further steps'%(name,spec['name']))
 209                         traceback.print_exc()
 210         return overall_result
 211
 212     # wrapper to shell
 213     def main(self):
 214         try:
 215             success=self.test_main()
 216             if success:
 217                 return 0
 218             else:
 219                 return 1
 220         except SystemExit:
 221             raise
 222         except:
 223             traceback.print_exc()
 224             return 2
 225
 226 if __name__ == "__main__":
 227     sys.exit(TestMain().main())