system/TestMain.py

   1 #!/usr/bin/python -u
   2
   3 # Thierry Parmentelat <thierry.parmentelat@inria.fr>
   4 # Copyright (C) 2010 INRIA
   5 #
   6 import sys, os, os.path
   7 from optparse import OptionParser
   8 import traceback
   9 from time import strftime
  10 import readline
  11
  12 import utils
  13 from TestPlc import TestPlc
  14 from TestSite import TestSite
  15 from TestNode import TestNode
  16
  17 # add $HOME in PYTHONPATH so we can import LocalTestResources.py
  18 sys.path.append(os.environ['HOME'])
  19 import LocalTestResources
  20
  21 class TestMain:
  22
  23     subversion_id = "Now using git -- version tracker broken"
  24
  25     default_config = [ 'default' ]
  26
  27     default_build_url = "git://git.onelab.eu/tests"
  28
  29     def __init__ (self):
  30         self.path=os.path.dirname(sys.argv[0]) or "."
  31         os.chdir(self.path)
  32
  33     def show_env (self,options, message):
  34         if self.options.verbose:
  35             utils.header (message)
  36             utils.show_options("main options",options)
  37
  38     def init_steps(self):
  39         self.steps_message  = 20*'x'+" Defaut steps are\n"+TestPlc.printable_steps(TestPlc.default_steps)
  40         self.steps_message += 20*'x'+" Other useful steps are\n"+TestPlc.printable_steps(TestPlc.other_steps)
  41
  42     def list_steps(self):
  43         if not self.options.verbose:
  44             print self.steps_message,
  45         else:
  46             testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
  47             scopes = [("Default steps",TestPlc.default_steps)]
  48             if self.options.all_steps:
  49                 scopes.append ( ("Other steps",TestPlc.other_steps) )
  50             for (scope,steps) in scopes:
  51                 print '--------------------',scope
  52                 for step in [step for step in steps if TestPlc.valid_step(step)]:
  53                     try:        (step,qualifier)=step.split('@')
  54                     except:     pass
  55                     stepname=step
  56                     for special in ['force']:
  57                         stepname = stepname.replace(special+'_',"")
  58                     print '*',step,"\r",4*"\t",
  59                     try:
  60                         doc=testplc_method_dict[stepname].__doc__
  61                     except:
  62                         try:
  63                             # locate the step_<name> module
  64                             modulename='step_'+stepname
  65                             doc = __import__(modulename).__doc__
  66                         except:
  67                             doc=None
  68                     if doc: print doc
  69                     else:   print "*** no doc found"
  70
  71     def run (self):
  72         self.init_steps()
  73         usage = """usage: %%prog [options] steps
  74 arch-rpms-url defaults to the last value used, as stored in arg-arch-rpms-url,
  75    no default
  76 config defaults to the last value used, as stored in arg-config,
  77    or %r
  78 ips_node, ips_plc and ips_qemu defaults to the last value used, as stored in arg-ips-{node,plc,qemu},
  79    default is to use IP scanning
  80 steps refer to a method in TestPlc or to a step_* module
  81 ===
  82 """%(TestMain.default_config)
  83         usage += self.steps_message
  84         parser=OptionParser(usage=usage,version=self.subversion_id)
  85         parser.add_option("-u","--url",action="store", dest="arch_rpms_url",
  86                           help="URL of the arch-dependent RPMS area - for locating what to test")
  87         parser.add_option("-b","--build",action="store", dest="build_url",
  88                           help="ignored, for legacy only")
  89         parser.add_option("-c","--config",action="append", dest="config", default=[],
  90                           help="Config module - can be set multiple times, or use quotes")
  91         parser.add_option("-p","--personality",action="store", dest="personality",
  92                           help="personality - as in vbuild-nightly")
  93         parser.add_option("-d","--pldistro",action="store", dest="pldistro",
  94                           help="pldistro - as in vbuild-nightly")
  95         parser.add_option("-f","--fcdistro",action="store", dest="fcdistro",
  96                           help="fcdistro - as in vbuild-nightly")
  97         parser.add_option("-x","--exclude",action="append", dest="exclude", default=[],
  98                           help="steps to exclude - can be set multiple times, or use quotes")
  99         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
 100                           help="Run all default steps")
 101         parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False,
 102                           help="List known steps")
 103         parser.add_option("-N","--nodes",action="append", dest="ips_node", default=[],
 104                           help="Specify the set of hostname/IP's to use for nodes")
 105         parser.add_option("-P","--plcs",action="append", dest="ips_plc", default=[],
 106                           help="Specify the set of hostname/IP's to use for plcs")
 107         parser.add_option("-Q","--qemus",action="append", dest="ips_qemu", default=[],
 108                           help="Specify the set of hostname/IP's to use for qemu boxes")
 109         parser.add_option("-s","--size",action="store",type="int",dest="size",default=1,
 110                           help="sets test size in # of plcs - default is 1")
 111         parser.add_option("-q","--qualifier",action="store",type="int",dest="qualifier",default=None,
 112                           help="run steps only on plc numbered <qualifier>, starting at 1")
 113         parser.add_option("-k","--keep-going",action="store",dest="keep_going",default=False,
 114                           help="proceeds even if some steps are failing")
 115         parser.add_option("-D","--dbname",action="store",dest="dbname",default=None,
 116                            help="Used by plc_db_dump and plc_db_restore")
 117         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
 118                           help="Run in verbose mode")
 119         parser.add_option("-i","--interactive",action="store_true",dest="interactive",default=False,
 120                           help="prompts before each step")
 121         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
 122                           help="Show environment and exits")
 123         parser.add_option("-r","--restart-nm", action="store_true", dest="forcenm", default=False,
 124                           help="Force the NM to restart in ssh_slices step")
 125         parser.add_option("-t","--trace", action="store", dest="trace_file", default=None,
 126                           #default="logs/trace-@TIME@.txt",
 127                           help="Trace file location")
 128         (self.options, self.args) = parser.parse_args()
 129
 130         # allow things like "run -c 'c1 c2' -c c3"
 131         def flatten (x):
 132             result = []
 133             for el in x:
 134                 if hasattr(el, "__iter__") and not isinstance(el, basestring):
 135                     result.extend(flatten(el))
 136                 else:
 137                     result.append(el)
 138             return result
 139         # flatten relevant options
 140         for optname in ['config','exclude','ips_node','ips_plc','ips_qemu']:
 141             setattr(self.options,optname, flatten ( [ arg.split() for arg in getattr(self.options,optname) ] ))
 142
 143         # handle defaults and option persistence
 144         for (recname,filename,default,need_reverse) in (
 145             ('build_url','arg-build-url',TestMain.default_build_url,None) ,
 146             ('ips_node','arg-ips-node',[],True) ,
 147             ('ips_plc','arg-ips-plc',[],True) ,
 148             ('ips_qemu','arg-ips-qemu',[],True) ,
 149             ('config','arg-config',TestMain.default_config,False) ,
 150             ('arch_rpms_url','arg-arch-rpms-url',"",None) ,
 151             ('personality','arg-personality',"linux32",None),
 152             ('pldistro','arg-pldistro',"planetlab",None),
 153             ('fcdistro','arg-fcdistro','centos5',None),
 154             ) :
 155 #            print 'handling',recname
 156             path=filename
 157             is_list = isinstance(default,list)
 158             if not getattr(self.options,recname):
 159                 try:
 160                     parsed=file(path).readlines()
 161                     if not is_list:    # strings
 162                         if len(parsed) != 1:
 163                             print "%s - error when parsing %s"%(sys.argv[1],path)
 164                             sys.exit(1)
 165                         parsed=parsed[0].strip()
 166                     else:              # lists
 167                         parsed=[x.strip() for x in parsed]
 168                     setattr(self.options,recname,parsed)
 169                 except:
 170                     if default != "":
 171                         setattr(self.options,recname,default)
 172                     else:
 173                         print "Cannot determine",recname
 174                         print "Run %s --help for help"%sys.argv[0]
 175                         sys.exit(1)
 176
 177             # save for next run
 178             fsave=open(path,"w")
 179             if not is_list:
 180                 fsave.write(getattr(self.options,recname) + "\n")
 181             else:
 182                 for value in getattr(self.options,recname):
 183                     fsave.write(value + "\n")
 184             fsave.close()
 185 #            utils.header('Saved %s into %s'%(recname,filename))
 186
 187             # lists need be reversed
 188             # I suspect this is useful for the various pools but for config, it's painful
 189             if isinstance(getattr(self.options,recname),list) and need_reverse:
 190                 getattr(self.options,recname).reverse()
 191
 192             if self.options.verbose:
 193                 utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 194
 195         # hack : if sfa is not among the published rpms, skip these tests
 196         TestPlc.check_whether_build_has_sfa(self.options.arch_rpms_url)
 197
 198         # no step specified
 199         if len(self.args) == 0:
 200             self.options.steps=TestPlc.default_steps
 201         else:
 202             self.options.steps = self.args
 203
 204         if self.options.list_steps:
 205             self.init_steps()
 206             self.list_steps()
 207             return True
 208
 209         # steps
 210         if not self.options.steps:
 211             #default (all) steps
 212             #self.options.steps=['dump','clean','install','populate']
 213             self.options.steps=TestPlc.default_steps
 214
 215         # rewrite '-' into '_' in step names
 216         self.options.steps = [ step.replace('-','_') for step in self.options.steps ]
 217
 218         # exclude
 219         selected=[]
 220         for step in self.options.steps:
 221             keep=True
 222             for exclude in self.options.exclude:
 223                 if utils.match(step,exclude):
 224                     keep=False
 225                     break
 226             if keep: selected.append(step)
 227         self.options.steps=selected
 228
 229         # this is useful when propagating on host boxes, to avoid conflicts
 230         self.options.buildname = os.path.basename (os.path.abspath (self.path))
 231
 232         if self.options.verbose:
 233             self.show_env(self.options,"Verbose")
 234
 235         # load configs
 236         all_plc_specs = []
 237         for config in self.options.config:
 238             modulename='config_'+config
 239             try:
 240                 m = __import__(modulename)
 241                 all_plc_specs = m.config(all_plc_specs,self.options)
 242             except :
 243                 traceback.print_exc()
 244                 print 'Cannot load config %s -- ignored'%modulename
 245                 raise
 246
 247         # run localize as defined by local_resources
 248         all_plc_specs = LocalTestResources.local_resources.localize(all_plc_specs,self.options)
 249
 250         # remember plc IP address(es) if not specified
 251         ips_plc_file=open('arg-ips-plc','w')
 252         for plc_spec in all_plc_specs:
 253             ips_plc_file.write("%s\n"%plc_spec['PLC_API_HOST'])
 254         ips_plc_file.close()
 255         # ditto for nodes
 256         ips_node_file=open('arg-ips-node','w')
 257         for plc_spec in all_plc_specs:
 258             for site_spec in plc_spec['sites']:
 259                 for node_spec in site_spec['nodes']:
 260                     ips_node_file.write("%s\n"%node_spec['node_fields']['hostname'])
 261         ips_node_file.close()
 262         # ditto for qemu boxes
 263         ips_qemu_file=open('arg-ips-qemu','w')
 264         for plc_spec in all_plc_specs:
 265             for site_spec in plc_spec['sites']:
 266                 for node_spec in site_spec['nodes']:
 267                     ips_qemu_file.write("%s\n"%node_spec['host_box'])
 268         ips_qemu_file.close()
 269         # build a TestPlc object from the result, passing options
 270         for spec in all_plc_specs:
 271             spec['failed_step'] = False
 272         all_plcs = [ (x, TestPlc(x,self.options)) for x in all_plc_specs]
 273
 274         # pass options to utils as well
 275         utils.init_options(self.options)
 276
 277         overall_result = True
 278         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 279         all_step_infos=[]
 280         for step in self.options.steps:
 281             if not TestPlc.valid_step(step):
 282                 continue
 283             # some steps need to be done regardless of the previous ones: we force them
 284             force=False
 285             if step.find("force_") == 0:
 286                 step=step.replace("force_","")
 287                 force=True
 288             # a cross step will run a method on TestPlc that has a signature like
 289             # def cross_foo (self, all_test_plcs)
 290             cross=False
 291             if step.find("cross_") == 0:
 292                 cross=True
 293             # allow for steps to specify an index like in
 294             # run checkslice@2
 295             try:        (step,qualifier)=step.split('@')
 296             except:     qualifier=self.options.qualifier
 297
 298             # try and locate a method in TestPlc
 299             if testplc_method_dict.has_key(step):
 300                 all_step_infos += [ (step, testplc_method_dict[step] , force, cross, qualifier)]
 301             # otherwise search for the 'run' method in the step_<x> module
 302             else:
 303                 modulename='step_'+step
 304                 try:
 305                     # locate all methods named run* in the module
 306                     module_dict = __import__(modulename).__dict__
 307                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 308                     if not names:
 309                         raise Exception,"No run* method in module %s"%modulename
 310                     names.sort()
 311                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name],force,cross,qualifier) for name in names ]
 312                 except :
 313                     utils.header("********** FAILED step %s (NOT FOUND) -- won't be run"%step)
 314                     traceback.print_exc()
 315                     overall_result = False
 316
 317         if self.options.dry_run:
 318             self.show_env(self.options,"Dry run")
 319
 320         # init & open trace file if provided
 321         if self.options.trace_file and not self.options.dry_run:
 322             time=strftime("%H-%M")
 323             date=strftime("%Y-%m-%d")
 324             trace_file=self.options.trace_file
 325             trace_file=trace_file.replace("@TIME@",time)
 326             trace_file=trace_file.replace("@DATE@",date)
 327             self.options.trace_file=trace_file
 328             # create dir if needed
 329             trace_dir=os.path.dirname(trace_file)
 330             if trace_dir and not os.path.isdir(trace_dir):
 331                 os.makedirs(trace_dir)
 332             trace=open(trace_file,"w")
 333
 334         # do all steps on all plcs
 335         TIME_FORMAT="%H-%M-%S"
 336         TRACE_FORMAT="TRACE: %(plc_counter)d %(beg)s->%(end)s status=%(status)s step=%(stepname)s plc=%(plcname)s force=%(force)s\n"
 337         for (stepname,method,force,cross,qualifier) in all_step_infos:
 338             plc_counter=0
 339             for (spec,plc_obj) in all_plcs:
 340                 plc_counter+=1
 341                 # skip this step if we have specified a plc_explicit
 342                 if qualifier and plc_counter!=int(qualifier): continue
 343
 344                 plcname=spec['name']
 345                 across_plcs = [ o for (s,o) in all_plcs if o!=plc_obj ]
 346
 347                 # run the step
 348                 beg=strftime(TIME_FORMAT)
 349                 if not spec['failed_step'] or force or self.options.interactive or self.options.keep_going:
 350                     skip_step=False
 351                     if self.options.interactive:
 352                         prompting=True
 353                         while prompting:
 354                             msg="%d Run step %s on %s [r](un)/d(ry_run)/s(kip)/q(uit) ? "%(plc_counter,stepname,plcname)
 355                             answer=raw_input(msg).strip().lower() or "r"
 356                             answer=answer[0]
 357                             if answer in ['s','n']:     # skip/no/next
 358                                 print '%s on %s skipped'%(stepname,plcname)
 359                                 prompting=False
 360                                 skip_step=True
 361                             elif answer in ['q','b']:   # quit/bye
 362                                 print 'Exiting'
 363                                 return
 364                             elif answer in ['d']:       # dry_run
 365                                 dry_run=self.options.dry_run
 366                                 self.options.dry_run=True
 367                                 plc_obj.options.dry_run=True
 368                                 plc_obj.apiserver.set_dry_run(True)
 369                                 if not cross:   step_result=method(plc_obj)
 370                                 else:           step_result=method(plc_obj,across_plcs)
 371                                 print 'dry_run step ->',step_result
 372                                 self.options.dry_run=dry_run
 373                                 plc_obj.options.dry_run=dry_run
 374                                 plc_obj.apiserver.set_dry_run(dry_run)
 375                             elif answer in ['r','y']:   # run/yes
 376                                 prompting=False
 377                     if skip_step:
 378                         continue
 379                     try:
 380                         force_msg=""
 381                         if force and spec['failed_step']: force_msg=" (forced after %s has failed)"%spec['failed_step']
 382                         utils.header("********** %d RUNNING step %s%s on plc %s"%(plc_counter,stepname,force_msg,plcname))
 383                         if not cross:   step_result = method(plc_obj)
 384                         else:           step_result = method(plc_obj,across_plcs)
 385                         if step_result:
 386                             utils.header('********** %d SUCCESSFUL step %s on %s'%(plc_counter,stepname,plcname))
 387                             status="OK"
 388                         else:
 389                             overall_result = False
 390                             spec['failed_step'] = stepname
 391                             utils.header('********** %d FAILED Step %s on %s (discarded from further steps)'\
 392                                              %(plc_counter,stepname,plcname))
 393                             status="KO"
 394                     except:
 395                         overall_result=False
 396                         spec['failed_step'] = stepname
 397                         traceback.print_exc()
 398                         utils.header ('********** %d FAILED (exception) Step %s on %s (discarded from further steps)'\
 399                                           %(plc_counter,stepname,plcname))
 400                         status="KO"
 401
 402                 # do not run, just display it's skipped
 403                 else:
 404                     why="has failed %s"%spec['failed_step']
 405                     utils.header("********** %d SKIPPED Step %s on %s (%s)"%(plc_counter,stepname,plcname,why))
 406                     status="UNDEF"
 407                 if not self.options.dry_run:
 408                     end=strftime(TIME_FORMAT)
 409                     # always do this on stdout
 410                     print TRACE_FORMAT%locals()
 411                     # duplicate on trace_file if provided
 412                     if self.options.trace_file:
 413                         trace.write(TRACE_FORMAT%locals())
 414                         trace.flush()
 415
 416         if self.options.trace_file and not self.options.dry_run:
 417             trace.close()
 418
 419         return overall_result
 420
 421     # wrapper to run, returns a shell-compatible result
 422     def main(self):
 423         try:
 424             success=self.run()
 425             if success:
 426                 return 0
 427             else:
 428                 return 1
 429         except SystemExit:
 430             print 'Caught SystemExit'
 431             raise
 432         except:
 433             traceback.print_exc()
 434             return 2
 435
 436 if __name__ == "__main__":
 437     sys.exit(TestMain().main())