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 = [ 'onelab' ]
  18
  19     default_steps = ['uninstall','install','install_rpm',
  20                      'configure', 'start',
  21                      'clear_ssh_config','store_keys', 'initscripts',
  22                      'sites', 'nodes', 'slices',
  23                      'bootcd', 'nodegroups',
  24                      'kill_all_qemus', 'start_nodes',
  25                      'standby_4', 'nodes_booted',
  26                      'standby_6','nodes_ssh', 'check_slices','check_initscripts',
  27                      'check_tcp',
  28                      'kill_qemus', ]
  29     other_steps = [ 'stop_all_vservers','fresh_install', 'stop',
  30                     'clean_sites', 'clean_nodes', 'clean_slices', 'clean_keys',
  31                     'list_all_qemus', 'kill_qemus', 'stop_nodes' ,
  32                     'db_dump' , 'db_restore',
  33                     'standby_1 through 20',
  34                     ]
  35     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  36
  37     def __init__ (self):
  38         self.path=os.path.dirname(sys.argv[0])
  39         os.chdir(self.path)
  40
  41     @staticmethod
  42     def show_env (options, message):
  43         utils.header (message)
  44         utils.pprint("main options",options)
  45
  46     @staticmethod
  47     def optparse_list (option, opt, value, parser):
  48         try:
  49             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  50         except:
  51             setattr(parser.values,option.dest,value.split())
  52
  53     def run (self):
  54         steps_message="Defaut steps are\n\t%s"%(" ".join(TestMain.default_steps))
  55         steps_message += "\nOther useful steps are\n\t %s"%(" ".join(TestMain.other_steps))
  56         usage = """usage: %%prog [options] steps
  57 myplc-url defaults to the last value used, as stored in arg-myplc-url,
  58    no default
  59 build-url defaults to the last value used, as stored in arg-build-url,
  60    or %s
  61 config defaults to the last value used, as stored in arg-config,
  62    or %r
  63 ips defaults to the last value used, as stored in arg-ips,
  64    default is to use IP scanning
  65 steps refer to a method in TestPlc or to a step_* module
  66 ===
  67 """%(TestMain.default_build_url,TestMain.default_config)
  68         usage += steps_message
  69         parser=OptionParser(usage=usage,version=self.subversion_id)
  70         parser.add_option("-u","--url",action="store", dest="myplc_url",
  71                           help="myplc URL - for locating build output")
  72         parser.add_option("-b","--build",action="store", dest="build_url",
  73                           help="Build URL - for using vtest-init-vserver.sh in native mode")
  74         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  75                           nargs=1,type="string",
  76                           help="Config module - can be set multiple times, or use quotes")
  77         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  78                           help="Run all default steps")
  79         parser.add_option("-l","--list",action="store_true",dest="list_steps", default=False,
  80                           help="List known steps")
  81         parser.add_option("-s","--state",action="store",dest="dbname",default=None,
  82                            help="Used by db_dump and db_restore")
  83         parser.add_option("-d","--display", action="store", dest="display", default='bellami.inria.fr:0.0',
  84                           help="Set DISPLAY for vmplayer")
  85         parser.add_option("-i","--ip",action="callback", callback=TestMain.optparse_list, dest="ips",
  86                           nargs=1,type="string",
  87                           help="Specify the set of IP addresses to use in vserver mode (disable scanning)")
  88         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  89                           help="Run in verbose mode")
  90         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
  91                           help="Show environment and exits")
  92         parser.add_option("-f","--forcenm", action="store_true", dest="forcenm", default=False,
  93                           help="Force the NM to restart in check_slices step")
  94         (self.options, self.args) = parser.parse_args()
  95
  96         if len(self.args) == 0:
  97             if self.options.all_steps:
  98                 self.options.steps=TestMain.default_steps
  99             elif self.options.dry_run:
 100                 self.options.steps=TestMain.default_steps
 101             elif self.options.list_steps:
 102                 print steps_message
 103                 sys.exit(1)
 104             else:
 105                 print 'No step found (do you mean -a ? )'
 106                 print "Run %s --help for help"%sys.argv[0]
 107                 sys.exit(1)
 108         else:
 109             self.options.steps = self.args
 110
 111         # handle defaults and option persistence
 112         for (recname,filename,default) in (
 113             ('build_url','arg-build-url',TestMain.default_build_url) ,
 114             ('ips','arg-ips',[]) ,
 115             ('config','arg-config',TestMain.default_config) ,
 116             ('myplc_url','arg-myplc-url',"") ,
 117             ) :
 118 #            print 'handling',recname
 119             path=filename
 120             is_list = isinstance(default,list)
 121             if not getattr(self.options,recname):
 122                 try:
 123                     parsed=file(path).readlines()
 124                     if not is_list:    # strings
 125                         if len(parsed) != 1:
 126                             print "%s - error when parsing %s"%(sys.argv[1],path)
 127                             sys.exit(1)
 128                         parsed=parsed[0].strip()
 129                     else:              # lists
 130                         parsed=[x.strip() for x in parsed]
 131                     setattr(self.options,recname,parsed)
 132                 except:
 133                     if default != "":
 134                         setattr(self.options,recname,default)
 135                     else:
 136                         print "Cannot determine",recname
 137                         print "Run %s --help for help"%sys.argv[0]
 138                         sys.exit(1)
 139             utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 140
 141             # save for next run
 142             fsave=open(path,"w")
 143             if not is_list:
 144                 fsave.write(getattr(self.options,recname) + "\n")
 145             else:
 146                 for value in getattr(self.options,recname):
 147                     fsave.write(value + "\n")
 148             fsave.close()
 149 #            utils.header('Saved %s into %s'%(recname,filename))
 150
 151         # steps
 152         if not self.options.steps:
 153             #default (all) steps
 154             #self.options.steps=['dump','clean','install','populate']
 155             self.options.steps=TestMain.default_steps
 156
 157         # this is useful when propagating on host boxes, to avoid conflicts
 158         self.options.buildname = os.path.basename (os.path.abspath (self.path))
 159
 160         if self.options.verbose:
 161             self.show_env(self.options,"Verbose")
 162
 163         # load configs
 164         all_plc_specs = []
 165         for config in self.options.config:
 166             modulename='config_'+config
 167             try:
 168                 m = __import__(modulename)
 169                 all_plc_specs = m.config(all_plc_specs,self.options)
 170             except :
 171                 traceback.print_exc()
 172                 print 'Cannot load config %s -- ignored'%modulename
 173                 raise
 174         # show config
 175         utils.show_test_spec("Test specifications",all_plc_specs)
 176         # build a TestPlc object from the result
 177         for spec in all_plc_specs:
 178             spec['disabled'] = False
 179         all_plcs = [ (x, TestPlc(x)) for x in all_plc_specs]
 180         # expose to the various objects
 181         for (spec,obj) in all_plcs:
 182             obj.options=self.options
 183
 184         overall_result = True
 185         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 186         all_step_infos=[]
 187         for step in self.options.steps:
 188             # try and locate a method in TestPlc
 189             if testplc_method_dict.has_key(step):
 190                 all_step_infos += [ (step, testplc_method_dict[step] )]
 191             # otherwise search for the 'run' method in the step_<x> module
 192             else:
 193                 modulename='step_'+step
 194                 try:
 195                     # locate all methods named run* in the module
 196                     module_dict = __import__(modulename).__dict__
 197                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 198                     if not names:
 199                         raise Exception,"No run* method in module %s"%modulename
 200                     names.sort()
 201                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name]) for name in names ]
 202                 except :
 203                     print 'Step %s -- ignored'%(step)
 204                     traceback.print_exc()
 205                     overall_result = False
 206
 207         if self.options.dry_run:
 208             self.show_env(self.options,"Dry run")
 209             return 0
 210
 211         # do all steps on all plcs
 212         for (stepname,method) in all_step_infos:
 213             for (spec,obj) in all_plcs:
 214                 plcname=spec['name']
 215                 if spec['disabled']:
 216                     utils.header("Plc %s is disabled - skipping step %s"%(plcname,stepname))
 217                 else:
 218                     try:
 219                         utils.header("Running step %s on plc %s"%(stepname,plcname))
 220                         step_result = method(obj,self.options)
 221                         if step_result:
 222                             utils.header('********** SUCCESSFUL step %s on %s'%(stepname,plcname))
 223                         else:
 224                             overall_result = False
 225                             spec['disabled'] = True
 226                             utils.header('********** Step %s on %s FAILED - discarding that plc from further steps'%(stepname,plcname))
 227                     except:
 228                         overall_result=False
 229                         spec['disabled'] = True
 230                         utils.header ('********** Step %s on plc %s FAILED (exception) - discarding this plc from further steps'%(stepname,plcname))
 231                         traceback.print_exc()
 232         return overall_result
 233
 234     # wrapper to run, returns a shell-compatible result
 235     def main(self):
 236         try:
 237             success=self.run()
 238             if success:
 239                 return 0
 240             else:
 241                 return 1
 242         except SystemExit:
 243             raise
 244         except:
 245             traceback.print_exc()
 246             return 2
 247
 248 if __name__ == "__main__":
 249     sys.exit(TestMain().main())