system/TestPlc.py

   1 # $Id$
   2 import os, os.path
   3 import sys
   4 import xmlrpclib
   5 import datetime
   6 import traceback
   7 from types import StringTypes
   8
   9 import utils
  10 from TestSite import TestSite
  11 from TestNode import TestNode
  12 from TestUser import TestUser
  13 from TestKey import TestKey
  14
  15 # step methods must take (self, options) and return a boolean
  16
  17 class TestPlc:
  18
  19     def __init__ (self,plc_spec):
  20         self.plc_spec=plc_spec
  21         self.path=os.path.dirname(sys.argv[0])
  22         try:
  23             self.vserverip=plc_spec['vserverip']
  24             self.vservername=plc_spec['vservername']
  25             self.url="https://%s:443/PLCAPI/"%plc_spec['vserverip']
  26             self.vserver=True
  27         except:
  28             self.vserver=False
  29             self.url="https://%s:443/PLCAPI/"%plc_spec['hostname']
  30         utils.header('Using API url %s'%self.url)
  31         self.server=xmlrpclib.Server(self.url,allow_none=True)
  32
  33     def name(self):
  34         name=self.plc_spec['name']
  35         if self.vserver:
  36             return name+"[%s]"%self.vservername
  37         else:
  38             return name+"[chroot]"
  39
  40     # define the API methods on this object through xmlrpc
  41     # would help, but not strictly necessary
  42     def connect (self):
  43         pass
  44
  45     # build the full command so command gets run in the chroot/vserver
  46     def run_command(self,command):
  47         if self.vserver:
  48             return "vserver %s exec %s"%(self.vservername,command)
  49         else:
  50             return "chroot /plc/root %s"%command
  51
  52     def ssh_command(self,command):
  53         if self.plc_spec['hostname'] == "localhost":
  54             return command
  55         else:
  56             return "ssh " + self.plc_spec['hostname'] + " " + command
  57
  58     def full_command(self,command):
  59         return self.ssh_command(self.run_command(command))
  60
  61     def run_in_guest (self,command):
  62         return utils.system(self.full_command(command))
  63     def run_in_host (self,command):
  64         return utils.system(self.ssh_command(command))
  65
  66     # xxx quick n dirty
  67     def run_in_guest_piped (self,local,remote):
  68         return utils.system(local+" | "+self.full_command(command))
  69
  70     def auth_root (self):
  71         return {'Username':self.plc_spec['PLC_ROOT_USER'],
  72                 'AuthMethod':'password',
  73                 'AuthString':self.plc_spec['PLC_ROOT_PASSWORD'],
  74                 'Role' : self.plc_spec['role']
  75                 }
  76     def locate_site (self,sitename):
  77         for site in self.plc_spec['sites']:
  78             if site['site_fields']['name'] == sitename:
  79                 return site
  80             if site['site_fields']['login_base'] == sitename:
  81                 return site
  82         raise Exception,"Cannot locate site %s"%sitename
  83
  84     def locate_key (self,keyname):
  85         for key in self.plc_spec['keys']:
  86             if key['name'] == keyname:
  87                 return key
  88         raise Exception,"Cannot locate key %s"%keyname
  89
  90     def kill_all_vmwares(self):
  91         utils.header('Killing any running vmware or vmplayer instance')
  92         utils.system('pgrep vmware | xargs -r kill')
  93         utils.system('pgrep vmplayer | xargs -r kill ')
  94         utils.system('pgrep vmware | xargs -r kill -9')
  95         utils.system('pgrep vmplayer | xargs -r kill -9')
  96
  97     #################### step methods
  98
  99     ### uninstall
 100     def uninstall_chroot(self,options):
 101         self.run_in_host('service plc safestop')
 102         #####detecting the last myplc version installed and remove it
 103         self.run_in_host('rpm -e myplc')
 104         ##### Clean up the /plc directory
 105         self.run_in_host('rm -rf  /plc/data')
 106         return True
 107
 108     def uninstall_vserver(self,options):
 109         self.run_in_host("vserver --silent %s delete"%self.vservername)
 110         return True
 111
 112     def uninstall(self,options):
 113         if self.vserver:
 114             return self.uninstall_vserver(options)
 115         else:
 116             return self.uninstall_chroot(options)
 117
 118     ### install
 119     def install_chroot(self,options):
 120         # nothing to do
 121         return True
 122
 123     # xxx this would not work with hostname != localhost as mylc-init-vserver was extracted locally
 124     def install_vserver(self,options):
 125         # we need build dir for vtest-init-vserver
 126         build_dir=self.path+"/build"
 127         if not os.path.isdir(build_dir):
 128             if utils.system("svn checkout %s %s"%(options.build_url,build_dir)) != 0:
 129                 raise Exception,"Cannot checkout build dir"
 130         # the repo url is taken from myplc-url
 131         # with the last two steps (i386/myplc...) removed
 132         repo_url = options.myplc_url
 133         repo_url = os.path.dirname(repo_url)
 134         repo_url = os.path.dirname(repo_url)
 135         command="%s/vtest-init-vserver.sh %s %s -- --interface eth0:%s"%\
 136             (build_dir,self.vservername,repo_url,self.vserverip)
 137         if utils.system(command) != 0:
 138             raise Exception,"Could not create vserver for %s"%self.vservername
 139         # xxx temporary - initialize /etc/sysconfig/network
 140         network="NETWORKING=yes\nHOSTNAME=%s\n"%self.plc_spec['vserverhostname']
 141         file("/vservers/%s/etc/sysconfig/network"%self.vservername,"w").write(network)
 142         return True
 143
 144     def install(self,options):
 145         if self.vserver:
 146             return self.install_vserver(options)
 147         else:
 148             return self.install_chroot(options)
 149
 150     ### install_rpm
 151     def install_rpm_chroot(self,options):
 152         utils.header('Installing from %s'%options.myplc_url)
 153         url=options.myplc_url
 154         utils.system('rpm -Uvh '+url)
 155         utils.system('service plc mount')
 156         return True
 157
 158     def install_rpm_vserver(self,options):
 159         self.run_in_guest("yum -y install myplc-native")
 160         return True
 161
 162     def install_rpm(self,options):
 163         if self.vserver:
 164             return self.install_rpm_vserver(options)
 165         else:
 166             return self.install_rpm_chroot(options)
 167
 168     ###
 169     def configure(self,options):
 170         tmpname='%s/%s.plc-config-tty'%(options.path,self.name())
 171         fileconf=open(tmpname,'w')
 172         for var in [ 'PLC_NAME',
 173                      'PLC_ROOT_PASSWORD',
 174                      'PLC_ROOT_USER',
 175                      'PLC_MAIL_ENABLED',
 176                      'PLC_MAIL_SUPPORT_ADDRESS',
 177                      'PLC_DB_HOST',
 178                      'PLC_API_HOST',
 179                      'PLC_WWW_HOST',
 180                      'PLC_BOOT_HOST',
 181                      'PLC_NET_DNS1',
 182                      'PLC_NET_DNS2']:
 183             fileconf.write ('e %s\n%s\n'%(var,self.plc_spec[var]))
 184         fileconf.write('w\n')
 185         fileconf.write('q\n')
 186         fileconf.close()
 187         utils.system('cat %s'%tmpname)
 188         self.run_in_guest('plc-config-tty < %s'%tmpname)
 189         utils.system('rm %s'%tmpname)
 190         return True
 191
 192     # the chroot install is slightly different to this respect
 193     def start(self, options):
 194         if self.vserver:
 195             self.run_in_guest('service plc start')
 196         else:
 197             self.run_in_host('service plc start')
 198         return True
 199
 200     def stop(self, options):
 201         if self.vserver:
 202             self.run_in_guest('service plc stop')
 203         else:
 204             self.run_in_host('service plc stop')
 205         return True
 206
 207     # could use a TestKey class
 208     def store_keys(self, options):
 209         for key_spec in self.plc_spec['keys']:
 210             TestKey(self,key_spec).store_key()
 211         return True
 212
 213     def clean_keys(self, options):
 214         utils.system("rm -rf %s/keys/"%self.path)
 215
 216     def sites (self,options):
 217         return self.do_sites(options)
 218
 219     def clean_sites (self,options):
 220         return self.do_sites(options,action="delete")
 221
 222     def do_sites (self,options,action="add"):
 223         for site_spec in self.plc_spec['sites']:
 224             test_site = TestSite (self,site_spec)
 225             if (action != "add"):
 226                 utils.header("Deleting site %s in %s"%(test_site.name(),self.name()))
 227                 test_site.delete_site()
 228                 # deleted with the site
 229                 #test_site.delete_users()
 230                 continue
 231             else:
 232                 utils.header("Creating site %s & users in %s"%(test_site.name(),self.name()))
 233                 test_site.create_site()
 234                 test_site.create_users()
 235         return True
 236
 237     def nodes (self, options):
 238         return self.do_nodes(options)
 239     def clean_nodes (self, options):
 240         return self.do_nodes(options,action="delete")
 241
 242     def do_nodes (self, options,action="add"):
 243         for site_spec in self.plc_spec['sites']:
 244             test_site = TestSite (self,site_spec)
 245             if action != "add":
 246                 utils.header("Deleting nodes in site %s"%test_site.name())
 247                 for node_spec in site_spec['nodes']:
 248                     test_node=TestNode(self,test_site,node_spec)
 249                     utils.header("Deleting %s"%test_node.name())
 250                     test_node.delete_node()
 251             else:
 252                 utils.header("Creating nodes for site %s in %s"%(test_site.name(),self.name()))
 253                 for node_spec in site_spec['nodes']:
 254                     utils.show_spec('Creating node %s'%node_spec,node_spec)
 255                     test_node = TestNode (self,test_site,node_spec)
 256                     test_node.create_node ()
 257         return True
 258
 259     # create nodegroups if needed, and populate
 260     # no need for a clean_nodegroups if we are careful enough
 261     def nodegroups (self, options):
 262         # 1st pass to scan contents
 263         groups_dict = {}
 264         for site_spec in self.plc_spec['sites']:
 265             test_site = TestSite (self,site_spec)
 266             for node_spec in site_spec['nodes']:
 267                 test_node=TestNode (self,test_site,node_spec)
 268                 if node_spec.has_key('nodegroups'):
 269                     nodegroupnames=node_spec['nodegroups']
 270                     if isinstance(nodegroupnames,StringTypes):
 271                         nodegroupnames = [ nodegroupnames ]
 272                     for nodegroupname in nodegroupnames:
 273                         if not groups_dict.has_key(nodegroupname):
 274                             groups_dict[nodegroupname]=[]
 275                         groups_dict[nodegroupname].append(test_node.name())
 276         auth=self.auth_root()
 277         for (nodegroupname,group_nodes) in groups_dict.iteritems():
 278             try:
 279                 self.server.GetNodeGroups(auth,{'name':nodegroupname})[0]
 280             except:
 281                 self.server.AddNodeGroup(auth,{'name':nodegroupname})
 282             for node in group_nodes:
 283                 self.server.AddNodeToNodeGroup(auth,node,nodegroupname)
 284         return True
 285
 286     def bootcd (self, options):
 287         for site_spec in self.plc_spec['sites']:
 288             test_site = TestSite (self,site_spec)
 289             for node_spec in site_spec['nodes']:
 290                 test_node=TestNode (self,test_site,node_spec)
 291                 test_node.create_boot_cd(options.path)
 292         return True
 293
 294     def initscripts (self, options):
 295         for initscript in self.plc_spec['initscripts']:
 296             utils.show_spec('Adding Initscript in plc %s'%self.plc_spec['name'],initscript)
 297             self.server.AddInitScript(self.auth_root(),initscript['initscript_fields'])
 298         return True
 299
 300     def slices (self, options):
 301         return self.do_slices()
 302
 303     def clean_slices (self, options):
 304         return self.do_slices("delete")
 305
 306     ### would need a TestSlice class
 307     def do_slices (self, add_or_delete="add"):
 308         for slice in self.plc_spec['slices']:
 309             site_spec = self.locate_site (slice['sitename'])
 310             test_site = TestSite(self,site_spec)
 311             owner_spec = test_site.locate_user(slice['owner'])
 312             auth = TestUser(self,test_site,owner_spec).auth()
 313             slice_fields = slice['slice_fields']
 314             slice_name = slice_fields['name']
 315             if (add_or_delete == "delete"):
 316                 self.server.DeleteSlice(auth,slice_fields['name'])
 317                 utils.header("Deleted slice %s"%slice_fields['name'])
 318                 continue
 319             utils.show_spec("Creating slice",slice_fields)
 320             self.server.AddSlice(auth,slice_fields)
 321             utils.header('Created Slice %s'%slice_fields['name'])
 322             for username in slice['usernames']:
 323                 user_spec=test_site.locate_user(username)
 324                 test_user=TestUser(self,test_site,user_spec)
 325                 self.server.AddPersonToSlice(auth, test_user.name(), slice_name)
 326
 327             hostnames=[]
 328             for nodename in slice['nodenames']:
 329                 node_spec=test_site.locate_node(nodename)
 330                 test_node=TestNode(self,test_site,node_spec)
 331                 hostnames += [test_node.name()]
 332             utils.header("Adding %r in %s"%(hostnames,slice_name))
 333             self.server.AddSliceToNodes(auth, slice_name, hostnames)
 334             if slice.has_key('initscriptname'):
 335                 isname=slice['initscriptname']
 336                 utils.header("Adding initscript %s in %s"%(isname,slice_name))
 337                 self.server.AddSliceAttribute(self.auth_root(), slice_name,
 338                                               'initscript',isname)
 339         return True
 340
 341     def start_nodes (self, options):
 342         self.kill_all_vmwares()
 343         utils.header("Starting vmware nodes")
 344         for site_spec in self.plc_spec['sites']:
 345             TestSite(self,site_spec).start_nodes (options)
 346         return True
 347
 348     def stop_nodes (self, options):
 349         self.kill_all_vmwares ()
 350         return True
 351
 352     # returns the filename to use for sql dump/restore, using options.dbname if set
 353     def dbfile (self, database, options):
 354         # uses options.dbname if it is found
 355         try:
 356             name=options.dbname
 357             if not isinstance(name,StringTypes):
 358                 raise Exception
 359         except:
 360             t=datetime.datetime.now()
 361             d=t.date()
 362             name=str(d)
 363         return "/root/%s-%s.sql"%(database,name)
 364
 365     def db_dump(self, options):
 366
 367         dump=self.dbfile("planetab4",options)
 368         self.run_in_guest('pg_dump -U pgsqluser planetlab4 -f '+ dump)
 369         utils.header('Dumped planetlab4 database in %s'%dump)
 370         return True
 371
 372     def db_restore(self, options):
 373         dump=self.dbfile("planetab4",options)
 374         ##stop httpd service
 375         self.run_in_guest('service httpd stop')
 376         # xxx - need another wrapper
 377         self.run_in_guest_piped('echo drop database planetlab4','psql --user=pgsqluser template1')
 378         self.run_in_guest('createdb -U postgres --encoding=UNICODE --owner=pgsqluser planetlab4')
 379         self.run_in_guest('psql -U pgsqluser planetlab4 -f '+dump)
 380         ##starting httpd service
 381         self.run_in_guest('service httpd start')
 382
 383         utils.header('Database restored from ' + dump)