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