system/TestMain.py

   1 #!/usr/bin/env python
   2 # $Id$
   3
   4 import sys, os, os.path
   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                      'clear_ssh_config','store_keys', 'initscripts',
  22                      'sites', 'nodes', 'slices',
  23                      'bootcd', 'nodegroups',
  24                      'kill_all_qemus', 'start_nodes',
  25                      'standby_4', 'nodes_booted',
  26                      'standby_6','nodes_ssh', 'check_slices',
  27                      'check_tcp',
  28                      'kill_qemus', ]
  29     other_steps = [ 'fresh_install', 'stop',
  30                     'clean_sites', 'clean_nodes', 'clean_slices', 'clean_keys',
  31                     'list_all_qemus', 'kill_qemus', 'stop_nodes' ,
  32                     'db_dump' , 'db_restore',
  33                     'standby_1 through 20',
  34                     ]
  35     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  36
  37     def __init__ (self):
  38         self.path=os.path.dirname(sys.argv[0])
  39
  40     @staticmethod
  41     def show_env (options, message):
  42         utils.header (message)
  43         utils.show_spec("main options",options)
  44
  45     @staticmethod
  46     def optparse_list (option, opt, value, parser):
  47         try:
  48             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  49         except:
  50             setattr(parser.values,option.dest,value.split())
  51
  52     def run (self):
  53         steps_message="Defaut steps are\n\t%s"%(" ".join(TestMain.default_steps))
  54         steps_message += "\nOther useful steps are\n\t %s"%(" ".join(TestMain.other_steps))
  55         usage = """usage: %%prog [options] steps
  56 myplc-url defaults to the last value used, as stored in arg-myplc-url,
  57    no default
  58 build-url defaults to the last value used, as stored in arg-build-url,
  59    or %s
  60 config defaults to the last value used, as stored in arg-config,
  61    or %r
  62 ips defaults to the last value used, as stored in arg-ips,
  63    default is to use IP scanning
  64 steps refer to a method in TestPlc or to a step_* module
  65 ===
  66 """%(TestMain.default_build_url,TestMain.default_config)
  67         usage += steps_message
  68         parser=OptionParser(usage=usage,version=self.subversion_id)
  69         parser.add_option("-u","--url",action="store", dest="myplc_url",
  70                           help="myplc URL - for locating build output")
  71         parser.add_option("-b","--build",action="store", dest="build_url",
  72                           help="Build URL - for using vtest-init-vserver.sh in native mode")
  73         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  74                           nargs=1,type="string",
  75                           help="Config module - can be set multiple times, or use quotes")
  76         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  77                           help="Run all default steps")
  78         parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False,
  79                           help="List known steps")
  80         parser.add_option("-s","--state",action="store",dest="dbname",default=None,
  81                            help="Used by db_dump and db_restore")
  82         parser.add_option("-d","--display", action="store", dest="display", default='bellami.inria.fr:0.0',
  83                           help="Set DISPLAY for vmplayer")
  84         parser.add_option("-i","--ip",action="callback", callback=TestMain.optparse_list, dest="ips",
  85                           nargs=1,type="string",
  86                           help="Specify the set of IP addresses to use in vserver mode (disable scanning)")
  87         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  88                           help="Run in verbose mode")
  89         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
  90                           help="Show environment and exits")
  91         parser.add_option("-f","--forcenm", action="store_true", dest="forcenm", default=False,
  92                           help="Force the NM to restart in check_slices step")
  93         (self.options, self.args) = parser.parse_args()
  94
  95         if len(self.args) == 0:
  96             if self.options.all_steps:
  97                 self.options.steps=TestMain.default_steps
  98             elif self.options.dry_run:
  99                 self.options.steps=TestMain.default_steps
 100             elif self.options.list_steps:
 101                 print steps_message
 102                 sys.exit(1)
 103             else:
 104                 print 'No step found (do you mean -a ? )'
 105                 print "Run %s --help for help"%sys.argv[0]
 106                 sys.exit(1)
 107         else:
 108             self.options.steps = self.args
 109
 110         # handle defaults and option persistence
 111         for (recname,filename,default) in ( ('myplc_url','arg-myplc-url',"") ,
 112                                             ('build_url','arg-build-url',TestMain.default_build_url) ,
 113                                             ('ips','arg-ips',[]) ,
 114                                             ('config','arg-config',TestMain.default_config) , ) :
 115             print 'handling',recname
 116             path="%s/%s"%(self.path,filename)
 117             is_list = isinstance(default,list)
 118             if not getattr(self.options,recname):
 119                 try:
 120                     parsed=file(path).readlines()
 121                     if not is_list:    # strings
 122                         if len(parsed) != 1:
 123                             print "%s - error when parsing %s"%(sys.argv[1],path)
 124                             sys.exit(1)
 125                         parsed=parsed[0].strip()
 126                     else:              # lists
 127                         parsed=[x.strip() for x in parsed]
 128                     setattr(self.options,recname,parsed)
 129                 except:
 130                     if default != "":
 131                         setattr(self.options,recname,default)
 132                     else:
 133                         print "Cannot determine",recname
 134                         print "Run %s --help for help"%sys.argv[0]
 135                         sys.exit(1)
 136             utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 137
 138             # save for next run
 139             fsave=open(path,"w")
 140             if not is_list:
 141                 fsave.write(getattr(self.options,recname) + "\n")
 142             else:
 143                 for value in getattr(self.options,recname):
 144                     fsave.write(value + "\n")
 145             fsave.close()
 146             utils.header('Saved %s into %s'%(recname,filename))
 147
 148         # steps
 149         if not self.options.steps:
 150             #default (all) steps
 151             #self.options.steps=['dump','clean','install','populate']
 152             self.options.steps=TestMain.default_steps
 153
 154         # store self.path in options.path for the various callbacks
 155         self.options.path = self.path
 156         # this is useful when propagating on host boxes, to avoid conflicts
 157         self.options.buildname = os.path.basename (os.path.abspath (self.path))
 158
 159         if self.options.verbose:
 160             self.show_env(self.options,"Verbose")
 161
 162         # load configs
 163         all_plc_specs = []
 164         for config in self.options.config:
 165             modulename='config_'+config
 166             try:
 167                 m = __import__(modulename)
 168                 all_plc_specs = m.config(all_plc_specs,self.options)
 169             except :
 170                 traceback.print_exc()
 171                 print 'Cannot load config %s -- ignored'%modulename
 172                 raise
 173         # show config
 174         utils.show_spec("Test specifications",all_plc_specs)
 175         # build a TestPlc object from the result
 176         for spec in all_plc_specs:
 177             spec['disabled'] = False
 178         all_plcs = [ (x, TestPlc(x)) for x in all_plc_specs]
 179
 180         overall_result = True
 181         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 182         all_step_infos=[]
 183         for step in self.options.steps:
 184             # try and locate a method in TestPlc
 185             if testplc_method_dict.has_key(step):
 186                 all_step_infos += [ (step, testplc_method_dict[step] )]
 187             # otherwise search for the 'run' method in the step_<x> module
 188             else:
 189                 modulename='step_'+step
 190                 try:
 191                     # locate all methods named run* in the module
 192                     module_dict = __import__(modulename).__dict__
 193                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 194                     if not names:
 195                         raise Exception,"No run* method in module %s"%modulename
 196                     names.sort()
 197                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name]) for name in names ]
 198                 except :
 199                     print 'Step %s -- ignored'%(step)
 200                     traceback.print_exc()
 201                     overall_result = False
 202
 203         if self.options.dry_run:
 204             self.show_env(self.options,"Dry run")
 205             return 0
 206
 207         # do all steps on all plcs
 208         for (stepname,method) in all_step_infos:
 209             for (spec,obj) in all_plcs:
 210                 plcname=spec['name']
 211                 if spec['disabled']:
 212                     utils.header("Plc %s is disabled - skipping step %s"%(plcname,stepname))
 213                 else:
 214                     try:
 215                         utils.header("Running step %s on plc %s"%(stepname,plcname))
 216                         step_result = method(obj,self.options)
 217                         if step_result:
 218                             utils.header('********** SUCCESSFUL step %s on %s'%(stepname,plcname))
 219                         else:
 220                             overall_result = False
 221                             spec['disabled'] = True
 222                             utils.header('********** Step %s on %s FAILED - discarding that plc from further steps'%(stepname,plcname))
 223                     except:
 224                         overall_result=False
 225                         spec['disabled'] = True
 226                         utils.header ('********** Step %s on plc %s FAILED (exception) - discarding this plc from further steps'%(stepname,plcname))
 227                         traceback.print_exc()
 228         return overall_result
 229
 230     # wrapper to run, returns a shell-compatible result
 231     def main(self):
 232         try:
 233             success=self.run()
 234             if success:
 235                 return 0
 236             else:
 237                 return 1
 238         except SystemExit:
 239             raise
 240         except:
 241             traceback.print_exc()
 242             return 2
 243
 244 if __name__ == "__main__":
 245     sys.exit(TestMain().main())