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 = [ 'default' ]
  18
  19     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  20
  21     def __init__ (self):
  22         self.path=os.path.dirname(sys.argv[0]) or "."
  23         os.chdir(self.path)
  24
  25     @staticmethod
  26     def show_env (options, message):
  27         utils.header (message)
  28         utils.show_options("main options",options)
  29
  30     @staticmethod
  31     def optparse_list (option, opt, value, parser):
  32         try:
  33             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  34         except:
  35             setattr(parser.values,option.dest,value.split())
  36
  37     def run (self):
  38         steps_message=20*'x'+" Defaut steps are\n"+TestPlc.printable_steps(TestPlc.default_steps)
  39         steps_message += "\n"+20*'x'+" Other useful steps are\n"+TestPlc.printable_steps(TestPlc.other_steps)
  40         usage = """usage: %%prog [options] steps
  41 myplc-url defaults to the last value used, as stored in arg-myplc-url,
  42    no default
  43 build-url defaults to the last value used, as stored in arg-build-url,
  44    or %s
  45 config defaults to the last value used, as stored in arg-config,
  46    or %r
  47 ips defaults to the last value used, as stored in arg-ips,
  48    default is to use IP scanning
  49 steps refer to a method in TestPlc or to a step_* module
  50 ===
  51 """%(TestMain.default_build_url,TestMain.default_config)
  52         usage += steps_message
  53         parser=OptionParser(usage=usage,version=self.subversion_id)
  54         parser.add_option("-u","--url",action="store", dest="myplc_url",
  55                           help="myplc URL - for locating build output")
  56         parser.add_option("-b","--build",action="store", dest="build_url",
  57                           help="Build URL - for using vtest-init-vserver.sh in native mode")
  58         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  59                           nargs=1,type="string",
  60                           help="Config module - can be set multiple times, or use quotes")
  61         parser.add_option("-x","--exclude",action="callback", callback=TestMain.optparse_list, dest="exclude",
  62                           nargs=1,type="string",default=[],
  63                           help="steps to exclude - can be set multiple times, or use quotes")
  64         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  65                           help="Run all default steps")
  66         parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False,
  67                           help="List known steps")
  68         parser.add_option("-i","--ip",action="callback", callback=TestMain.optparse_list, dest="ips",
  69                           nargs=1,type="string",
  70                           help="Specify the set of IP addresses to use in vserver mode (disable scanning)")
  71         parser.add_option("-s","--vserver",action="store_true",dest="native",default=False,
  72                           help="deploy myplc-native rather than former chroot-based package")
  73         parser.add_option("-1","--small",action="store_true",dest="small_test",default=False,
  74                           help="run a small test -- typically only one node")
  75         parser.add_option("-d","--dbname",action="store",dest="dbname",default=None,
  76                            help="Used by db_dump and db_restore")
  77         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  78                           help="Run in verbose mode")
  79         parser.add_option("-q","--quiet", action="store_true", dest="quiet", default=False,
  80                           help="Run in quiet mode")
  81         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
  82                           help="Show environment and exits")
  83         parser.add_option("-f","--forcenm", action="store_true", dest="forcenm", default=False,
  84                           help="Force the NM to restart in check_slices step")
  85         (self.options, self.args) = parser.parse_args()
  86
  87         if len(self.args) == 0:
  88             if self.options.all_steps:
  89                 self.options.steps=TestPlc.default_steps
  90             elif self.options.dry_run:
  91                 self.options.steps=TestPlc.default_steps
  92             elif self.options.list_steps:
  93                 print steps_message
  94                 sys.exit(1)
  95             else:
  96                 print 'No step found (do you mean -a ? )'
  97                 print "Run %s --help for help"%sys.argv[0]
  98                 sys.exit(1)
  99         else:
 100             self.options.steps = self.args
 101
 102         # handle defaults and option persistence
 103         for (recname,filename,default) in (
 104             ('build_url','arg-build-url',TestMain.default_build_url) ,
 105             ('ips','arg-ips',[]) ,
 106             ('config','arg-config',TestMain.default_config) ,
 107             ('myplc_url','arg-myplc-url',"") ,
 108             ) :
 109 #            print 'handling',recname
 110             path=filename
 111             is_list = isinstance(default,list)
 112             if not getattr(self.options,recname):
 113                 try:
 114                     parsed=file(path).readlines()
 115                     if not is_list:    # strings
 116                         if len(parsed) != 1:
 117                             print "%s - error when parsing %s"%(sys.argv[1],path)
 118                             sys.exit(1)
 119                         parsed=parsed[0].strip()
 120                     else:              # lists
 121                         parsed=[x.strip() for x in parsed]
 122                     setattr(self.options,recname,parsed)
 123                 except:
 124                     if default != "":
 125                         setattr(self.options,recname,default)
 126                     else:
 127                         print "Cannot determine",recname
 128                         print "Run %s --help for help"%sys.argv[0]
 129                         sys.exit(1)
 130             if not self.options.quiet:
 131                 utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 132
 133             # save for next run
 134             fsave=open(path,"w")
 135             if not is_list:
 136                 fsave.write(getattr(self.options,recname) + "\n")
 137             else:
 138                 for value in getattr(self.options,recname):
 139                     fsave.write(value + "\n")
 140             fsave.close()
 141 #            utils.header('Saved %s into %s'%(recname,filename))
 142
 143         self.options.arch = "i386"
 144         if self.options.myplc_url.find("x86_64") >= 0:
 145             self.options.arch="x86_64"
 146         # steps
 147         if not self.options.steps:
 148             #default (all) steps
 149             #self.options.steps=['dump','clean','install','populate']
 150             self.options.steps=TestPlc.default_steps
 151
 152         # exclude
 153         selected=[]
 154         for step in self.options.steps:
 155             keep=True
 156             for exclude in self.options.exclude:
 157                 if utils.match(step,exclude):
 158                     keep=False
 159                     break
 160             if keep: selected.append(step)
 161         self.options.steps=selected
 162
 163         # this is useful when propagating on host boxes, to avoid conflicts
 164         self.options.buildname = os.path.basename (os.path.abspath (self.path))
 165
 166         if self.options.verbose:
 167             self.show_env(self.options,"Verbose")
 168
 169         # load configs
 170         all_plc_specs = []
 171         for config in self.options.config:
 172             modulename='config_'+config
 173             try:
 174                 m = __import__(modulename)
 175                 all_plc_specs = m.config(all_plc_specs,self.options)
 176             except :
 177                 traceback.print_exc()
 178                 print 'Cannot load config %s -- ignored'%modulename
 179                 raise
 180         # show config
 181         if not self.options.quiet:
 182             utils.show_test_spec("Test specifications",all_plc_specs)
 183         # build a TestPlc object from the result, passing options
 184         for spec in all_plc_specs:
 185             spec['disabled'] = False
 186         all_plcs = [ (x, TestPlc(x,self.options)) for x in all_plc_specs]
 187
 188         # pass options to utils as well
 189         utils.init_options(self.options)
 190
 191         overall_result = True
 192         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 193         all_step_infos=[]
 194         for step in self.options.steps:
 195             if not TestPlc.valid_step(step):
 196                 continue
 197             force=False
 198             # is it a forcedstep
 199             if step.find("force_") == 0:
 200                 step=step.replace("force_","")
 201                 force=True
 202             # try and locate a method in TestPlc
 203             if testplc_method_dict.has_key(step):
 204                 all_step_infos += [ (step, testplc_method_dict[step] , force)]
 205             # otherwise search for the 'run' method in the step_<x> module
 206             else:
 207                 modulename='step_'+step
 208                 try:
 209                     # locate all methods named run* in the module
 210                     module_dict = __import__(modulename).__dict__
 211                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 212                     if not names:
 213                         raise Exception,"No run* method in module %s"%modulename
 214                     names.sort()
 215                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name],force) for name in names ]
 216                 except :
 217                     print '********** step %s NOT FOUND -- ignored'%(step)
 218                     traceback.print_exc()
 219                     overall_result = False
 220
 221         if self.options.dry_run:
 222             self.show_env(self.options,"Dry run")
 223
 224         # do all steps on all plcs
 225         for (stepname,method,force) in all_step_infos:
 226             for (spec,obj) in all_plcs:
 227                 plcname=spec['name']
 228
 229                 # run the step
 230                 if not spec['disabled'] or force:
 231                     try:
 232                         force_msg=""
 233                         if force: force_msg=" (forced)"
 234                         utils.header("********** RUNNING step %s%s on plc %s"%(stepname,force_msg,plcname))
 235                         step_result = method(obj)
 236                         if step_result:
 237                             utils.header('********** SUCCESSFUL step %s on %s'%(stepname,plcname))
 238                         else:
 239                             overall_result = False
 240                             spec['disabled'] = True
 241                             utils.header('********** FAILED Step %s on %s - discarding that plc from further steps'%(stepname,plcname))
 242                     except:
 243                         overall_result=False
 244                         spec['disabled'] = True
 245                         traceback.print_exc()
 246                         utils.header ('********** FAILED (exception) Step %s on plc %s - discarding this plc from further steps'%(stepname,plcname))
 247
 248                 # do not run, just display it's skipped
 249                 else:
 250                     utils.header("********** IGNORED Plc %s is disabled - skipping step %s"%(plcname,stepname))
 251
 252         return overall_result
 253
 254     # wrapper to run, returns a shell-compatible result
 255     def main(self):
 256         try:
 257             success=self.run()
 258             if success:
 259                 return 0
 260             else:
 261                 return 1
 262         except SystemExit:
 263             raise
 264         except:
 265             traceback.print_exc()
 266             return 2
 267
 268 if __name__ == "__main__":
 269     sys.exit(TestMain().main())