system/TestMain.py

   1 #!/usr/bin/python -u
   2 # $Id$
   3
   4 import sys, os, os.path
   5 from optparse import OptionParser
   6 import traceback
   7 from time import strftime
   8 import readline
   9
  10 import utils
  11 from TestPlc import TestPlc
  12 from TestSite import TestSite
  13 from TestNode import TestNode
  14
  15 class TestMain:
  16
  17     subversion_id = "$Id$"
  18
  19     default_config = [ 'default' ]
  20
  21     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  22
  23     def __init__ (self):
  24         self.path=os.path.dirname(sys.argv[0]) or "."
  25         os.chdir(self.path)
  26
  27     @staticmethod
  28     def show_env (options, message):
  29         utils.header (message)
  30         utils.show_options("main options",options)
  31
  32     @staticmethod
  33     def optparse_list (option, opt, value, parser):
  34         try:
  35             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  36         except:
  37             setattr(parser.values,option.dest,value.split())
  38
  39     def run (self):
  40         steps_message=20*'x'+" Defaut steps are\n"+TestPlc.printable_steps(TestPlc.default_steps)
  41         steps_message += "\n"+20*'x'+" Other useful steps are\n"+TestPlc.printable_steps(TestPlc.other_steps)
  42         usage = """usage: %%prog [options] steps
  43 arch-rpms-url defaults to the last value used, as stored in arg-arch-rpms-url,
  44    no default
  45 build-url defaults to the last value used, as stored in arg-build-url,
  46    or %s
  47 config defaults to the last value used, as stored in arg-config,
  48    or %r
  49 ips_node, ips_plc and ips_qemu defaults to the last value used, as stored in arg-ips-{node,plc,qemu},
  50    default is to use IP scanning
  51 steps refer to a method in TestPlc or to a step_* module
  52 ===
  53 """%(TestMain.default_build_url,TestMain.default_config)
  54         usage += steps_message
  55         parser=OptionParser(usage=usage,version=self.subversion_id)
  56         parser.add_option("-u","--url",action="store", dest="arch_rpms_url",
  57                           help="URL of the arch-dependent RPMS area - for locating what to test")
  58         parser.add_option("-b","--build",action="store", dest="build_url",
  59                           help="Build URL - for locating vtest-init-vserver.sh")
  60         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  61                           nargs=1,type="string",
  62                           help="Config module - can be set multiple times, or use quotes")
  63         parser.add_option("-p","--personality",action="store", dest="personality",
  64                           help="personality - as in vbuild-nightly")
  65         parser.add_option("-d","--pldistro",action="store", dest="pldistro",
  66                           help="pldistro - as in vbuild-nightly")
  67         parser.add_option("-f","--fcdistro",action="store", dest="fcdistro",
  68                           help="fcdistro - as in vbuild-nightly")
  69         parser.add_option("-x","--exclude",action="callback", callback=TestMain.optparse_list, dest="exclude",
  70                           nargs=1,type="string",default=[],
  71                           help="steps to exclude - can be set multiple times, or use quotes")
  72         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  73                           help="Run all default steps")
  74         parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False,
  75                           help="List known steps")
  76         parser.add_option("-N","--nodes",action="callback", callback=TestMain.optparse_list, dest="ips_node",
  77                           nargs=1,type="string",
  78                           help="Specify the set of hostname/IP's to use for nodes")
  79         parser.add_option("-P","--plcs",action="callback", callback=TestMain.optparse_list, dest="ips_plc",
  80                           nargs=1,type="string",
  81                           help="Specify the set of hostname/IP's to use for plcs")
  82         parser.add_option("-Q","--qemus",action="callback", callback=TestMain.optparse_list, dest="ips_qemu",
  83                           nargs=1,type="string",
  84                           help="Specify the set of hostname/IP's to use for qemu boxes")
  85         parser.add_option("-s","--size",action="store",type="int",dest="size",default=1,
  86                           help="sets test size in # of plcs - default is 1")
  87         parser.add_option("-D","--dbname",action="store",dest="dbname",default=None,
  88                            help="Used by db_dump and db_restore")
  89         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  90                           help="Run in verbose mode")
  91         parser.add_option("-q","--quiet", action="store_true", dest="quiet", default=False,
  92                           help="Run in quiet mode")
  93         parser.add_option("-i","--interactive",action="store_true",dest="interactive",default=False,
  94                           help="prompts before each step")
  95         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
  96                           help="Show environment and exits")
  97         parser.add_option("-r","--restart-nm", action="store_true", dest="forcenm", default=False,
  98                           help="Force the NM to restart in check_slices step")
  99         parser.add_option("-t","--trace", action="store", dest="trace_file", default=None,
 100                           #default="logs/trace-@TIME@.txt",
 101                           help="Trace file location")
 102         (self.options, self.args) = parser.parse_args()
 103         if self.options.quiet:
 104             self.options.verbose=False
 105
 106         if len(self.args) == 0:
 107             if self.options.all_steps:
 108                 self.options.steps=TestPlc.default_steps
 109             elif self.options.dry_run:
 110                 self.options.steps=TestPlc.default_steps
 111             elif self.options.list_steps:
 112                 print steps_message
 113                 sys.exit(1)
 114             else:
 115                 print 'No step found (do you mean -a ? )'
 116                 print "Run %s --help for help"%sys.argv[0]
 117                 sys.exit(1)
 118         else:
 119             self.options.steps = self.args
 120
 121         # handle defaults and option persistence
 122         for (recname,filename,default) in (
 123             ('build_url','arg-build-url',TestMain.default_build_url) ,
 124             ('ips_node','arg-ips-node',[]) ,
 125             ('ips_plc','arg-ips-plc',[]) ,
 126             ('ips_qemu','arg-ips-qemu',[]) ,
 127             ('config','arg-config',TestMain.default_config) ,
 128             ('arch_rpms_url','arg-arch-rpms-url',"") ,
 129             ('personality','arg-personality',"linux32"),
 130             ('pldistro','arg-pldistro',"planetlab"),
 131             ('fcdistro','arg-fcdistro','centos5'),
 132             ) :
 133 #            print 'handling',recname
 134             path=filename
 135             is_list = isinstance(default,list)
 136             if not getattr(self.options,recname):
 137                 try:
 138                     parsed=file(path).readlines()
 139                     if not is_list:    # strings
 140                         if len(parsed) != 1:
 141                             print "%s - error when parsing %s"%(sys.argv[1],path)
 142                             sys.exit(1)
 143                         parsed=parsed[0].strip()
 144                     else:              # lists
 145                         parsed=[x.strip() for x in parsed]
 146                     setattr(self.options,recname,parsed)
 147                 except:
 148                     if default != "":
 149                         setattr(self.options,recname,default)
 150                     else:
 151                         print "Cannot determine",recname
 152                         print "Run %s --help for help"%sys.argv[0]
 153                         sys.exit(1)
 154
 155             # save for next run
 156             fsave=open(path,"w")
 157             if not is_list:
 158                 fsave.write(getattr(self.options,recname) + "\n")
 159             else:
 160                 for value in getattr(self.options,recname):
 161                     fsave.write(value + "\n")
 162             fsave.close()
 163 #            utils.header('Saved %s into %s'%(recname,filename))
 164
 165             # lists need be reversed
 166             if isinstance(getattr(self.options,recname),list):
 167                 getattr(self.options,recname).reverse()
 168
 169             if not self.options.quiet:
 170                 utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 171
 172
 173         # steps
 174         if not self.options.steps:
 175             #default (all) steps
 176             #self.options.steps=['dump','clean','install','populate']
 177             self.options.steps=TestPlc.default_steps
 178
 179         # exclude
 180         selected=[]
 181         for step in self.options.steps:
 182             keep=True
 183             for exclude in self.options.exclude:
 184                 if utils.match(step,exclude):
 185                     keep=False
 186                     break
 187             if keep: selected.append(step)
 188         self.options.steps=selected
 189
 190         # this is useful when propagating on host boxes, to avoid conflicts
 191         self.options.buildname = os.path.basename (os.path.abspath (self.path))
 192
 193         if self.options.verbose:
 194             self.show_env(self.options,"Verbose")
 195
 196         # load configs
 197         all_plc_specs = []
 198         for config in self.options.config:
 199             modulename='config_'+config
 200             try:
 201                 m = __import__(modulename)
 202                 all_plc_specs = m.config(all_plc_specs,self.options)
 203             except :
 204                 traceback.print_exc()
 205                 print 'Cannot load config %s -- ignored'%modulename
 206                 raise
 207         # remember plc IP address(es) if not specified
 208         ips_plc_file=open('arg-ips-plc','w')
 209         for plc_spec in all_plc_specs:
 210             ips_plc_file.write("%s\n"%plc_spec['PLC_API_HOST'])
 211         ips_plc_file.close()
 212         # ditto for nodes
 213         ips_node_file=open('arg-ips-node','w')
 214         for plc_spec in all_plc_specs:
 215             for site_spec in plc_spec['sites']:
 216                 for node_spec in site_spec['nodes']:
 217                     ips_node_file.write("%s\n"%node_spec['node_fields']['hostname'])
 218         ips_node_file.close()
 219         # ditto for qemu boxes
 220         ips_qemu_file=open('arg-ips-qemu','w')
 221         for plc_spec in all_plc_specs:
 222             for site_spec in plc_spec['sites']:
 223                 for node_spec in site_spec['nodes']:
 224                     ips_qemu_file.write("%s\n"%node_spec['host_box'])
 225         ips_qemu_file.close()
 226         # build a TestPlc object from the result, passing options
 227         for spec in all_plc_specs:
 228             spec['disabled'] = False
 229         all_plcs = [ (x, TestPlc(x,self.options)) for x in all_plc_specs]
 230
 231         # pass options to utils as well
 232         utils.init_options(self.options)
 233
 234         overall_result = True
 235         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 236         all_step_infos=[]
 237         for step in self.options.steps:
 238             if not TestPlc.valid_step(step):
 239                 continue
 240             force=False
 241             # is it a forced step
 242             if step.find("force_") == 0:
 243                 step=step.replace("force_","")
 244                 force=True
 245             # try and locate a method in TestPlc
 246             if testplc_method_dict.has_key(step):
 247                 all_step_infos += [ (step, testplc_method_dict[step] , force)]
 248             # otherwise search for the 'run' method in the step_<x> module
 249             else:
 250                 modulename='step_'+step
 251                 try:
 252                     # locate all methods named run* in the module
 253                     module_dict = __import__(modulename).__dict__
 254                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 255                     if not names:
 256                         raise Exception,"No run* method in module %s"%modulename
 257                     names.sort()
 258                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name],force) for name in names ]
 259                 except :
 260                     print '********** step %s NOT FOUND -- ignored'%(step)
 261                     traceback.print_exc()
 262                     overall_result = False
 263
 264         if self.options.dry_run:
 265             self.show_env(self.options,"Dry run")
 266
 267         # init & open trace file if provided
 268         if self.options.trace_file and not self.options.dry_run:
 269             time=strftime("%H-%M")
 270             date=strftime("%Y-%m-%d")
 271             trace_file=self.options.trace_file
 272             trace_file=trace_file.replace("@TIME@",time)
 273             trace_file=trace_file.replace("@DATE@",date)
 274             self.options.trace_file=trace_file
 275             # create dir if needed
 276             trace_dir=os.path.dirname(trace_file)
 277             if trace_dir and not os.path.isdir(trace_dir):
 278                 os.makedirs(trace_dir)
 279             trace=open(trace_file,"w")
 280
 281         # do all steps on all plcs
 282         TRACE_FORMAT="TRACE: time=%(time)s plc=%(plcname)s step=%(stepname)s status=%(status)s force=%(force)s\n"
 283         for (stepname,method,force) in all_step_infos:
 284             for (spec,obj) in all_plcs:
 285                 plcname=spec['name']
 286
 287                 # run the step
 288                 time=strftime("%Y-%m-%d-%H-%M")
 289                 if not spec['disabled'] or force or self.options.interactive:
 290                     skip_step=False
 291                     if self.options.interactive:
 292                         prompting=True
 293                         while prompting:
 294                             msg="Run step %s on %s [r](un)/d(ry_run)/s(kip)/q(uit) ? "%(stepname,plcname)
 295                             answer=raw_input(msg).strip().lower() or "r"
 296                             answer=answer[0]
 297                             if answer in ['s','n']:     # skip/no/next
 298                                 print '%s on %s skipped'%(stepname,plcname)
 299                                 prompting=False
 300                                 skip_step=True
 301                             elif answer in ['q','b']:   # quit/bye
 302                                 print 'Exiting'
 303                                 return
 304                             elif answer in ['d']:       # dry_run
 305                                 dry_run=self.options.dry_run
 306                                 self.options.dry_run=True
 307                                 obj.options.dry_run=True
 308                                 obj.apiserver.set_dry_run(True)
 309                                 step_result=method(obj)
 310                                 print 'dry_run step ->',step_result
 311                                 self.options.dry_run=dry_run
 312                                 obj.options.dry_run=dry_run
 313                                 obj.apiserver.set_dry_run(dry_run)
 314                             elif answer in ['r','y']:   # run/yes
 315                                 prompting=False
 316                     if skip_step:
 317                         continue
 318                     try:
 319                         force_msg=""
 320                         if force: force_msg=" (forced)"
 321                         utils.header("********** RUNNING step %s%s on plc %s"%(stepname,force_msg,plcname))
 322                         step_result = method(obj)
 323                         if step_result:
 324                             utils.header('********** SUCCESSFUL step %s on %s'%(stepname,plcname))
 325                             status="OK"
 326                         else:
 327                             overall_result = False
 328                             spec['disabled'] = True
 329                             utils.header('********** FAILED Step %s on %s - discarding that plc from further steps'%(stepname,plcname))
 330                             status="KO"
 331                     except:
 332                         overall_result=False
 333                         spec['disabled'] = True
 334                         traceback.print_exc()
 335                         utils.header ('********** FAILED (exception) Step %s on plc %s - discarding this plc from further steps'%(stepname,plcname))
 336                         status="KO"
 337
 338                 # do not run, just display it's skipped
 339                 else:
 340                     utils.header("********** IGNORED Plc %s is disabled - skipping step %s"%(plcname,stepname))
 341                     status="UNDEF"
 342                 if not self.options.dry_run:
 343                     # alwas do this on stdout
 344                     print TRACE_FORMAT%locals()
 345                     # duplicate on trace_file if provided
 346                     if self.options.trace_file:
 347                         trace.write(TRACE_FORMAT%locals())
 348
 349         if self.options.trace_file and not self.options.dry_run:
 350             trace.close()
 351
 352         return overall_result
 353
 354     # wrapper to run, returns a shell-compatible result
 355     def main(self):
 356         try:
 357             success=self.run()
 358             if success:
 359                 return 0
 360             else:
 361                 return 1
 362         except SystemExit:
 363             raise
 364         except:
 365             traceback.print_exc()
 366             return 2
 367
 368 if __name__ == "__main__":
 369     sys.exit(TestMain().main())