system/TestMain.py

   1 #!/usr/bin/env python
   2 # $Id$
   3
   4 import os, sys
   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','configure', 'start', 'store_keys', 'initscripts',
  20                      'sites', 'nodes', 'slices', 'bootcd',
  21                      'nodegroups', 'start_nodes', 'check_nodes', 'check_slices' ]
  22     other_steps = [ 'fresh_install', 'stop', 'install_vserver_create', 'install_vserver_native',
  23                     'clean_sites', 'clean_nodes', 'clean_slices', 'clean_keys',
  24                     'stop_nodes' ,  'db_dump' , 'db_restore',
  25                     ]
  26     default_build_url = "http://svn.planet-lab.org/svn/build/trunk"
  27
  28     def __init__ (self):
  29         self.path=os.path.dirname(sys.argv[0])
  30
  31     @staticmethod
  32     def show_env (options, message):
  33         utils.header (message)
  34         utils.show_spec("main options",options)
  35
  36     @staticmethod
  37     def optparse_list (option, opt, value, parser):
  38         try:
  39             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
  40         except:
  41             setattr(parser.values,option.dest,value.split())
  42
  43     def test_main (self):
  44         usage = """usage: %%prog [options] steps
  45 myplc-url defaults to the last value used, as stored in MYPLC-URL,
  46    no default
  47 build-url defaults to the last value used, as stored in BUILD-URL,
  48    or %s
  49 config defaults to the last value used, as stored in CONFIG,
  50    or %r
  51 ips defaults to the last value used, as stored in IPS,
  52    default is to use IP scanning
  53 steps refer to a method in TestPlc or to a step_* module"""%(TestMain.default_build_url,TestMain.default_config)
  54         usage += "\n  Defaut steps are %r"%TestMain.default_steps
  55         usage += "\n  Other useful steps are %r"%TestMain.other_steps
  56         parser=OptionParser(usage=usage,version=self.subversion_id)
  57         parser.add_option("-u","--url",action="store", dest="myplc_url",
  58                           help="myplc URL - for locating build output")
  59         parser.add_option("-b","--build",action="store", dest="build_url",
  60                           help="Build URL - for using vtest-init-vserver.sh in native mode")
  61         parser.add_option("-c","--config",action="callback", callback=TestMain.optparse_list, dest="config",
  62                           nargs=1,type="string",
  63                           help="config module - can be set multiple times, or use quotes")
  64         parser.add_option("-a","--all",action="store_true",dest="all_steps", default=False,
  65                           help="Runs all default steps")
  66         parser.add_option("-s","--state",action="store",dest="dbname",default=None,
  67                            help="Used by db_dump and db_restore")
  68         parser.add_option("-d","--display", action="store", dest="display", default='bellami.inria.fr:0.0',
  69                           help="set DISPLAY for vmplayer")
  70         parser.add_option("-i","--ip",action="callback", callback=TestMain.optparse_list, dest="ips",
  71                           nargs=1,type="string",
  72                           help="allows to specify the set of IP addresses to use in vserver mode (disable scanning)")
  73         parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
  74                           help="Run in verbose mode")
  75         parser.add_option("-n","--dry-run", action="store_true", dest="dry_run", default=False,
  76                           help="Show environment and exits")
  77         (self.options, self.args) = parser.parse_args()
  78
  79         if len(self.args) == 0:
  80             if self.options.all_steps:
  81                 self.options.steps=TestMain.default_steps
  82             elif self.options.dry_run:
  83                 self.options.steps=TestMain.default_steps
  84             else:
  85                 print 'No step found (do you mean -a ? )'
  86                 print "Run %s --help for help"%sys.argv[0]
  87                 sys.exit(1)
  88         else:
  89             self.options.steps = self.args
  90
  91         # display display
  92         utils.header('X11 display : %s'% self.options.display)
  93
  94         # handle defaults and option persistence
  95         for (recname,filename,default) in ( ('myplc_url','MYPLC-URL',"") ,
  96                                             ('build_url','BUILD-URL',TestMain.default_build_url) ,
  97                                             ('ips','IPS',[]) ,
  98                                             ('config','CONFIG',TestMain.default_config) , ) :
  99             print 'handling',recname
 100             path="%s/%s"%(self.path,filename)
 101             is_list = isinstance(default,list)
 102             if not getattr(self.options,recname):
 103                 try:
 104                     parsed=file(path).readlines()
 105                     if not is_list:    # strings
 106                         if len(parsed) != 1:
 107                             print "%s - error when parsing %s"%(sys.argv[1],path)
 108                             sys.exit(1)
 109                         parsed=parsed[0].strip()
 110                     else:              # lists
 111                         parsed=[x.strip() for x in parsed]
 112                     setattr(self.options,recname,parsed)
 113                 except:
 114                     if default != "":
 115                         setattr(self.options,recname,default)
 116                     else:
 117                         print "Cannot determine",recname
 118                         print "Run %s --help for help"%sys.argv[0]
 119                         sys.exit(1)
 120             utils.header('* Using %s = %s'%(recname,getattr(self.options,recname)))
 121
 122             # save for next run
 123             fsave=open(path,"w")
 124             if not is_list:
 125                 fsave.write(getattr(self.options,recname) + "\n")
 126             else:
 127                 for value in getattr(self.options,recname):
 128                     fsave.write(value + "\n")
 129             fsave.close()
 130             utils.header('Saved %s into %s'%(recname,filename))
 131
 132         # steps
 133         if not self.options.steps:
 134             #default (all) steps
 135             #self.options.steps=['dump','clean','install','populate']
 136             self.options.steps=TestMain.default_steps
 137
 138         # store self.path in options.path for the various callbacks
 139         self.options.path = self.path
 140
 141         if self.options.verbose:
 142             self.show_env(self.options,"Verbose")
 143
 144         # load configs
 145         all_plc_specs = []
 146         for config in self.options.config:
 147             modulename='config_'+config
 148             try:
 149                 m = __import__(modulename)
 150                 all_plc_specs = m.config(all_plc_specs,self.options)
 151             except :
 152                 traceback.print_exc()
 153                 print 'Cannot load config %s -- ignored'%modulename
 154                 raise
 155         # show config
 156         utils.show_spec("Test specifications",all_plc_specs)
 157         # build a TestPlc object from the result
 158         for spec in all_plc_specs:
 159             spec['disabled'] = False
 160         all_plcs = [ (x, TestPlc(x)) for x in all_plc_specs]
 161
 162         overall_result = True
 163         testplc_method_dict = __import__("TestPlc").__dict__['TestPlc'].__dict__
 164         all_step_infos=[]
 165         for step in self.options.steps:
 166             # try and locate a method in TestPlc
 167             if testplc_method_dict.has_key(step):
 168                 all_step_infos += [ (step, testplc_method_dict[step] )]
 169             # otherwise search for the 'run' method in the step_<x> module
 170             else:
 171                 modulename='step_'+step
 172                 try:
 173                     # locate all methods named run* in the module
 174                     module_dict = __import__(modulename).__dict__
 175                     names = [ key for key in module_dict.keys() if key.find("run")==0 ]
 176                     if not names:
 177                         raise Exception,"No run* method in module %s"%modulename
 178                     names.sort()
 179                     all_step_infos += [ ("%s.%s"%(step,name),module_dict[name]) for name in names ]
 180                 except :
 181                     print 'Step %s -- ignored'%(step)
 182                     traceback.print_exc()
 183                     overall_result = False
 184
 185         if self.options.dry_run:
 186             self.show_env(self.options,"Dry run")
 187             return 0
 188
 189         # do all steps on all plcs
 190         for (name,method) in all_step_infos:
 191             for (spec,obj) in all_plcs:
 192                 if not spec['disabled']:
 193                     try:
 194                         utils.header("Running step %s on plc %s"%(name,spec['name']))
 195                         step_result = method(obj,self.options)
 196                         if step_result:
 197                             utils.header('Successful step %s on %s'%(name,spec['name']))
 198                         else:
 199                             overall_result = False
 200                             spec['disabled'] = True
 201                             utils.header('Step %s on %s FAILED - discarding that plc from further steps'%(name,spec['name']))
 202                     except:
 203                         overall_result=False
 204                         spec['disabled'] = True
 205                         utils.header ('Step %s on plc %s FAILED (exception) - discarding this plc from further steps'%(name,spec['name']))
 206                         traceback.print_exc()
 207         return overall_result
 208
 209     # wrapper to shell
 210     def main(self):
 211         try:
 212             success=self.test_main()
 213             if success:
 214                 return 0
 215             else:
 216                 return 1
 217         except:
 218             traceback.print_exc()
 219             return 2
 220
 221 if __name__ == "__main__":
 222     sys.exit(TestMain().main())