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 from time import strftime
   8
   9 import utils
  10 from TestPlc import TestPlc
  11 from TestSite import TestSite
  12 from TestNode import TestNode
  13
  14 class TestMain:
  15
  16     subversion_id = "$Id$"
  17
  18     default_config = [ 'default' ]
  19
  20     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  21
  22     def __init__ (self):
  23         self.path=os.path.dirname(sys.argv[0]) or "."
  24         os.chdir(self.path)
  25
  26     @staticmethod
  27     def show_env (options, message):
  28         utils.header (message)
  29         utils.show_options("main options",options)
  30
  31     @staticmethod
  32     def optparse_list (option, opt, value, parser):
  33         try:
  34             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  35         except:
  36             setattr(parser.values,option.dest,value.split())
  37
  38     def run (self):
  39         steps_message=20*'x'+" Defaut steps are\n"+TestPlc.printable_steps(TestPlc.default_steps)
  40         steps_message += "\n"+20*'x'+" Other useful steps are\n"+TestPlc.printable_steps(TestPlc.other_steps)
  41         usage = """usage: %%prog [options] steps
  42 arch-rpms-url defaults to the last value used, as stored in arg-arch-rpms-url,
  43    no default
  44 build-url defaults to the last value used, as stored in arg-build-url,
  45    or %s
  46 config defaults to the last value used, as stored in arg-config,
  47    or %r
  48 node-ips and plc-ips defaults to the last value used, as stored in arg-node-ips and arg-plc-ips,
  49    default is to use IP scanning
  50 steps refer to a method in TestPlc or to a step_* module
  51 ===
  52 """%(TestMain.default_build_url,TestMain.default_config)
  53         usage += steps_message
  54         parser=OptionParser(usage=usage,version=self.subversion_id)
  55         parser.add_option("-u","--url",action="store", dest="arch_rpms_url",
  56                           help="URL of the arch-dependent RPMS area - for locating what to test")
  57         parser.add_option("-b","--build",action="store", dest="build_url",
  58                           help="Build URL - for locating vtest-init-vserver.sh")
  59         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  60                           nargs=1,type="string",
  61                           help="Config module - can be set multiple times, or use quotes")
  62         parser.add_option("-p","--personality",action="store", dest="personality", default="linux32",
  63                           help="personality - as in vbuild-nightly")
  64         parser.add_option("-d","--pldistro",action="store", dest="pldistro", default="planetlab",
  65                           help="pldistro - as in vbuild-nightly")
  66         parser.add_option("-f","--fcdistro",action="store", dest="fcdistro", default="f8",
  67                           help="fcdistro - as in vbuild-nightly")
  68         parser.add_option("-x","--exclude",action="callback", callback=TestMain.optparse_list, dest="exclude",
  69                           nargs=1,type="string",default=[],
  70                           help="steps to exclude - can be set multiple times, or use quotes")
  71         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  72                           help="Run all default steps")
  73         parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False,
  74                           help="List known steps")
  75         parser.add_option("-N","--nodes",action="callback", callback=TestMain.optparse_list, dest="node_ips",
  76                           nargs=1,type="string",
  77                           help="Specify the set of IP addresses to use for nodes (scanning disabled)")
  78         parser.add_option("-P","--plcs",action="callback", callback=TestMain.optparse_list, dest="plc_ips",
  79                           nargs=1,type="string",
  80                           help="Specify the set of IP addresses to use for plcs (scanning disabled)")
  81         parser.add_option("-1","--small",action="store_true",dest="small_test",default=False,
  82                           help="run a small test -- typically only one node")
  83         parser.add_option("-D","--dbname",action="store",dest="dbname",default=None,
  84                            help="Used by db_dump and db_restore")
  85         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  86                           help="Run in verbose mode")
  87         parser.add_option("-q","--quiet", action="store_true", dest="quiet", default=False,
  88                           help="Run in quiet 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("-r","--restart-nm", action="store_true", dest="forcenm", default=False,
  92                           help="Force the NM to restart in check_slices step")
  93         parser.add_option("-t","--trace", action="store", dest="trace_file", default=None,
  94                           #default="logs/trace-@TIME@.txt",
  95                           help="Trace file location")
  96         (self.options, self.args) = parser.parse_args()
  97
  98         if len(self.args) == 0:
  99             if self.options.all_steps:
 100                 self.options.steps=TestPlc.default_steps
 101             elif self.options.dry_run:
 102                 self.options.steps=TestPlc.default_steps
 103             elif self.options.list_steps:
 104                 print steps_message
 105                 sys.exit(1)
 106             else:
 107                 print 'No step found (do you mean -a ? )'
 108                 print "Run %s --help for help"%sys.argv[0]
 109                 sys.exit(1)
 110         else:
 111             self.options.steps = self.args
 112
 113         # handle defaults and option persistence
 114         for (recname,filename,default) in (
 115             ('build_url','arg-build-url',TestMain.default_build_url) ,
 116             ('node_ips','arg-node-ips',[]) ,
 117             ('plc_ips','arg-plc-ips',[]) ,
 118             ('config','arg-config',TestMain.default_config) ,
 119             ('arch_rpms_url','arg-arch-rpms-url',"") ,
 120             ('personality','arg-personality',"linux32"),
 121             ('pldistro','arg-pldistro',"planetlab"),
 122             ('fcdistro','arg-fcdistro','f8'),
 123             ) :
 124 #            print 'handling',recname
 125             path=filename
 126             is_list = isinstance(default,list)
 127             if not getattr(self.options,recname):
 128                 try:
 129                     parsed=file(path).readlines()
 130                     if not is_list:    # strings
 131                         if len(parsed) != 1:
 132                             print "%s - error when parsing %s"%(sys.argv[1],path)
 133                             sys.exit(1)
 134                         parsed=parsed[0].strip()
 135                     else:              # lists
 136                         parsed=[x.strip() for x in parsed]
 137                     setattr(self.options,recname,parsed)
 138                 except:
 139                     if default != "":
 140                         setattr(self.options,recname,default)
 141                     else:
 142                         print "Cannot determine",recname
 143                         print "Run %s --help for help"%sys.argv[0]
 144                         sys.exit(1)
 145             if not self.options.quiet:
 146                 utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 147
 148             # save for next run
 149             fsave=open(path,"w")
 150             if not is_list:
 151                 fsave.write(getattr(self.options,recname) + "\n")
 152             else:
 153                 for value in getattr(self.options,recname):
 154                     fsave.write(value + "\n")
 155             fsave.close()
 156 #            utils.header('Saved %s into %s'%(recname,filename))
 157
 158         if self.options.personality == "linux32":
 159             self.options.arch = "i386"
 160         elif self.options.personality == "linux64":
 161             self.options.arch = "x86_64"
 162         else:
 163             raise Exception, "Unsupported personality %r"%self.options.personality
 164         # steps
 165         if not self.options.steps:
 166             #default (all) steps
 167             #self.options.steps=['dump','clean','install','populate']
 168             self.options.steps=TestPlc.default_steps
 169
 170         # exclude
 171         selected=[]
 172         for step in self.options.steps:
 173             keep=True
 174             for exclude in self.options.exclude:
 175                 if utils.match(step,exclude):
 176                     keep=False
 177                     break
 178             if keep: selected.append(step)
 179         self.options.steps=selected
 180
 181         # this is useful when propagating on host boxes, to avoid conflicts
 182         self.options.buildname = os.path.basename (os.path.abspath (self.path))
 183
 184         if self.options.verbose:
 185             self.show_env(self.options,"Verbose")
 186
 187         # load configs
 188         all_plc_specs = []
 189         for config in self.options.config:
 190             modulename='config_'+config
 191             try:
 192                 m = __import__(modulename)
 193                 all_plc_specs = m.config(all_plc_specs,self.options)
 194             except :
 195                 traceback.print_exc()
 196                 print 'Cannot load config %s -- ignored'%modulename
 197                 raise
 198         # show config
 199         if not self.options.quiet:
 200             utils.show_test_spec("Test specifications",all_plc_specs)
 201         # build a TestPlc object from the result, passing options
 202         for spec in all_plc_specs:
 203             spec['disabled'] = False
 204         all_plcs = [ (x, TestPlc(x,self.options)) for x in all_plc_specs]
 205
 206         # pass options to utils as well
 207         utils.init_options(self.options)
 208
 209         overall_result = True
 210         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 211         all_step_infos=[]
 212         for step in self.options.steps:
 213             if not TestPlc.valid_step(step):
 214                 continue
 215             force=False
 216             # is it a forcedstep
 217             if step.find("force_") == 0:
 218                 step=step.replace("force_","")
 219                 force=True
 220             # try and locate a method in TestPlc
 221             if testplc_method_dict.has_key(step):
 222                 all_step_infos += [ (step, testplc_method_dict[step] , force)]
 223             # otherwise search for the 'run' method in the step_<x> module
 224             else:
 225                 modulename='step_'+step
 226                 try:
 227                     # locate all methods named run* in the module
 228                     module_dict = __import__(modulename).__dict__
 229                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 230                     if not names:
 231                         raise Exception,"No run* method in module %s"%modulename
 232                     names.sort()
 233                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name],force) for name in names ]
 234                 except :
 235                     print '********** step %s NOT FOUND -- ignored'%(step)
 236                     traceback.print_exc()
 237                     overall_result = False
 238
 239         if self.options.dry_run:
 240             self.show_env(self.options,"Dry run")
 241
 242         # init & open trace file if provided
 243         if self.options.trace_file and not self.options.dry_run:
 244             time=strftime("%H-%M")
 245             date=strftime("%Y-%m-%d")
 246             trace_file=self.options.trace_file
 247             trace_file=trace_file.replace("@TIME@",time)
 248             trace_file=trace_file.replace("@DATE@",date)
 249             self.options.trace_file=trace_file
 250             # create dir if needed
 251             trace_dir=os.path.dirname(trace_file)
 252             if trace_dir and not os.path.isdir(trace_dir):
 253                 os.makedirs(trace_dir)
 254             trace=open(trace_file,"w")
 255
 256         # do all steps on all plcs
 257         TRACE_FORMAT="TRACE: time=%(time)s plc=%(plcname)s step=%(stepname)s status=%(status)s force=%(force)s\n"
 258         for (stepname,method,force) in all_step_infos:
 259             for (spec,obj) in all_plcs:
 260                 plcname=spec['name']
 261
 262                 # run the step
 263                 time=strftime("%Y-%m-%d-%H-%M")
 264                 if not spec['disabled'] or force:
 265                     try:
 266                         force_msg=""
 267                         if force: force_msg=" (forced)"
 268                         utils.header("********** RUNNING step %s%s on plc %s"%(stepname,force_msg,plcname))
 269                         step_result = method(obj)
 270                         if step_result:
 271                             utils.header('********** SUCCESSFUL step %s on %s'%(stepname,plcname))
 272                             status="OK"
 273                         else:
 274                             overall_result = False
 275                             spec['disabled'] = True
 276                             utils.header('********** FAILED Step %s on %s - discarding that plc from further steps'%(stepname,plcname))
 277                             status="KO"
 278                     except:
 279                         overall_result=False
 280                         spec['disabled'] = True
 281                         traceback.print_exc()
 282                         utils.header ('********** FAILED (exception) Step %s on plc %s - discarding this plc from further steps'%(stepname,plcname))
 283                         status="KO"
 284
 285                 # do not run, just display it's skipped
 286                 else:
 287                     utils.header("********** IGNORED Plc %s is disabled - skipping step %s"%(plcname,stepname))
 288                     status="UNDEF"
 289                 if not self.options.dry_run:
 290                     # alwas do this on stdout
 291                     print TRACE_FORMAT%locals()
 292                     # duplicate on trace_file if provided
 293                     if self.options.trace_file:
 294                         trace.write(TRACE_FORMAT%locals())
 295
 296         if self.options.trace_file and not self.options.dry_run:
 297             trace.close()
 298
 299         return overall_result
 300
 301     # wrapper to run, returns a shell-compatible result
 302     def main(self):
 303         try:
 304             success=self.run()
 305             if success:
 306                 return 0
 307             else:
 308                 return 1
 309         except SystemExit:
 310             raise
 311         except:
 312             traceback.print_exc()
 313             return 2
 314
 315 if __name__ == "__main__":
 316     sys.exit(TestMain().main())